annotate src/memline.c @ 13928:9b53f97f532c

Added tag v8.0.1834 for changeset ec54a202ad0c5836d59d34225d84bd2f31cc01eb
author Christian Brabandt <cb@256bit.org>
date Sun, 13 May 2018 17:15:06 +0200
parents 4d5a1ada407e
children 8631b54ae2a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /* for debugging */
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11 /* #define CHECK(c, s) do { if (c) EMSG(s); } while (0) */
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12 #define CHECK(c, s) do { /**/ } while (0)
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13
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14 /*
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15 * memline.c: Contains the functions for appending, deleting and changing the
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16 * text lines. The memfile functions are used to store the information in
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17 * blocks of memory, backed up by a file. The structure of the information is
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18 * a tree. The root of the tree is a pointer block. The leaves of the tree
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19 * are data blocks. In between may be several layers of pointer blocks,
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20 * forming branches.
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21 *
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22 * Three types of blocks are used:
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23 * - Block nr 0 contains information for recovery
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24 * - Pointer blocks contain list of pointers to other blocks.
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25 * - Data blocks contain the actual text.
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26 *
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27 * Block nr 0 contains the block0 structure (see below).
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28 *
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29 * Block nr 1 is the first pointer block. It is the root of the tree.
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30 * Other pointer blocks are branches.
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31 *
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32 * If a line is too big to fit in a single page, the block containing that
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33 * line is made big enough to hold the line. It may span several pages.
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34 * Otherwise all blocks are one page.
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35 *
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36 * A data block that was filled when starting to edit a file and was not
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37 * changed since then, can have a negative block number. This means that it
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38 * has not yet been assigned a place in the file. When recovering, the lines
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39 * in this data block can be read from the original file. When the block is
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40 * changed (lines appended/deleted/changed) or when it is flushed it gets a
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41 * positive number. Use mf_trans_del() to get the new number, before calling
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42 * mf_get().
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43 */
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44
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45 #include "vim.h"
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46
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47 #ifndef UNIX /* it's in os_unix.h for Unix */
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48 # include <time.h>
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49 #endif
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50
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51 #if defined(SASC) || defined(__amigaos4__)
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52 # include <proto/dos.h> /* for Open() and Close() */
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53 #endif
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54
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55 typedef struct block0 ZERO_BL; /* contents of the first block */
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56 typedef struct pointer_block PTR_BL; /* contents of a pointer block */
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57 typedef struct data_block DATA_BL; /* contents of a data block */
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58 typedef struct pointer_entry PTR_EN; /* block/line-count pair */
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59
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60 #define DATA_ID (('d' << 8) + 'a') /* data block id */
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61 #define PTR_ID (('p' << 8) + 't') /* pointer block id */
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62 #define BLOCK0_ID0 'b' /* block 0 id 0 */
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63 #define BLOCK0_ID1 '0' /* block 0 id 1 */
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64 #define BLOCK0_ID1_C0 'c' /* block 0 id 1 'cm' 0 */
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65 #define BLOCK0_ID1_C1 'C' /* block 0 id 1 'cm' 1 */
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66 #define BLOCK0_ID1_C2 'd' /* block 0 id 1 'cm' 2 */
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67
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68 #if defined(FEAT_CRYPT)
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69 static int id1_codes[] = {
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70 BLOCK0_ID1_C0, /* CRYPT_M_ZIP */
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71 BLOCK0_ID1_C1, /* CRYPT_M_BF */
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72 BLOCK0_ID1_C2, /* CRYPT_M_BF2 */
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73 };
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74 #endif
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75
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76 /*
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77 * pointer to a block, used in a pointer block
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78 */
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79 struct pointer_entry
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80 {
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81 blocknr_T pe_bnum; /* block number */
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82 linenr_T pe_line_count; /* number of lines in this branch */
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83 linenr_T pe_old_lnum; /* lnum for this block (for recovery) */
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84 int pe_page_count; /* number of pages in block pe_bnum */
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85 };
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86
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87 /*
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88 * A pointer block contains a list of branches in the tree.
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89 */
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90 struct pointer_block
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91 {
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92 short_u pb_id; /* ID for pointer block: PTR_ID */
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93 short_u pb_count; /* number of pointers in this block */
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94 short_u pb_count_max; /* maximum value for pb_count */
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95 PTR_EN pb_pointer[1]; /* list of pointers to blocks (actually longer)
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96 * followed by empty space until end of page */
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97 };
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98
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99 /*
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100 * A data block is a leaf in the tree.
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101 *
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102 * The text of the lines is at the end of the block. The text of the first line
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103 * in the block is put at the end, the text of the second line in front of it,
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104 * etc. Thus the order of the lines is the opposite of the line number.
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105 */
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106 struct data_block
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107 {
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108 short_u db_id; /* ID for data block: DATA_ID */
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109 unsigned db_free; /* free space available */
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110 unsigned db_txt_start; /* byte where text starts */
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111 unsigned db_txt_end; /* byte just after data block */
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112 linenr_T db_line_count; /* number of lines in this block */
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113 unsigned db_index[1]; /* index for start of line (actually bigger)
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114 * followed by empty space upto db_txt_start
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115 * followed by the text in the lines until
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116 * end of page */
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117 };
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118
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119 /*
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120 * The low bits of db_index hold the actual index. The topmost bit is
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121 * used for the global command to be able to mark a line.
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122 * This method is not clean, but otherwise there would be at least one extra
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123 * byte used for each line.
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124 * The mark has to be in this place to keep it with the correct line when other
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125 * lines are inserted or deleted.
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126 */
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127 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1))
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128 #define DB_INDEX_MASK (~DB_MARKED)
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129
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130 #define INDEX_SIZE (sizeof(unsigned)) /* size of one db_index entry */
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131 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) /* size of data block header */
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132
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133 #define B0_FNAME_SIZE_ORG 900 /* what it was in older versions */
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134 #define B0_FNAME_SIZE_NOCRYPT 898 /* 2 bytes used for other things */
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135 #define B0_FNAME_SIZE_CRYPT 890 /* 10 bytes used for other things */
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136 #define B0_UNAME_SIZE 40
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137 #define B0_HNAME_SIZE 40
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138 /*
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139 * Restrict the numbers to 32 bits, otherwise most compilers will complain.
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140 * This won't detect a 64 bit machine that only swaps a byte in the top 32
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141 * bits, but that is crazy anyway.
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142 */
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143 #define B0_MAGIC_LONG 0x30313233L
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144 #define B0_MAGIC_INT 0x20212223L
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145 #define B0_MAGIC_SHORT 0x10111213L
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146 #define B0_MAGIC_CHAR 0x55
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147
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148 /*
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149 * Block zero holds all info about the swap file.
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150 *
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151 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing
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152 * swap files unusable!
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153 *
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154 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!!
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155 *
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156 * This block is built up of single bytes, to make it portable across
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157 * different machines. b0_magic_* is used to check the byte order and size of
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158 * variables, because the rest of the swap file is not portable.
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159 */
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160 struct block0
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161 {
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162 char_u b0_id[2]; /* id for block 0: BLOCK0_ID0 and BLOCK0_ID1,
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163 * BLOCK0_ID1_C0, BLOCK0_ID1_C1, etc. */
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164 char_u b0_version[10]; /* Vim version string */
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165 char_u b0_page_size[4];/* number of bytes per page */
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166 char_u b0_mtime[4]; /* last modification time of file */
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167 char_u b0_ino[4]; /* inode of b0_fname */
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168 char_u b0_pid[4]; /* process id of creator (or 0) */
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169 char_u b0_uname[B0_UNAME_SIZE]; /* name of user (uid if no name) */
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170 char_u b0_hname[B0_HNAME_SIZE]; /* host name (if it has a name) */
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171 char_u b0_fname[B0_FNAME_SIZE_ORG]; /* name of file being edited */
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172 long b0_magic_long; /* check for byte order of long */
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173 int b0_magic_int; /* check for byte order of int */
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174 short b0_magic_short; /* check for byte order of short */
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175 char_u b0_magic_char; /* check for last char */
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176 };
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177
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178 /*
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179 * Note: b0_dirty and b0_flags are put at the end of the file name. For very
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180 * long file names in older versions of Vim they are invalid.
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181 * The 'fileencoding' comes before b0_flags, with a NUL in front. But only
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182 * when there is room, for very long file names it's omitted.
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183 */
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184 #define B0_DIRTY 0x55
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185 #define b0_dirty b0_fname[B0_FNAME_SIZE_ORG - 1]
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186
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187 /*
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188 * The b0_flags field is new in Vim 7.0.
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189 */
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190 #define b0_flags b0_fname[B0_FNAME_SIZE_ORG - 2]
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191
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192 /*
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193 * Crypt seed goes here, 8 bytes. New in Vim 7.3.
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194 * Without encryption these bytes may be used for 'fenc'.
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195 */
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196 #define b0_seed b0_fname[B0_FNAME_SIZE_ORG - 2 - MF_SEED_LEN]
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197
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198 /* The lowest two bits contain the fileformat. Zero means it's not set
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199 * (compatible with Vim 6.x), otherwise it's EOL_UNIX + 1, EOL_DOS + 1 or
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200 * EOL_MAC + 1. */
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201 #define B0_FF_MASK 3
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202
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203 /* Swap file is in directory of edited file. Used to find the file from
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204 * different mount points. */
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205 #define B0_SAME_DIR 4
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206
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207 /* The 'fileencoding' is at the end of b0_fname[], with a NUL in front of it.
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208 * When empty there is only the NUL. */
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209 #define B0_HAS_FENC 8
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210
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211 #define STACK_INCR 5 /* nr of entries added to ml_stack at a time */
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212
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213 /*
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214 * The line number where the first mark may be is remembered.
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215 * If it is 0 there are no marks at all.
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216 * (always used for the current buffer only, no buffer change possible while
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217 * executing a global command).
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218 */
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219 static linenr_T lowest_marked = 0;
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220
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221 /*
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222 * arguments for ml_find_line()
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223 */
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224 #define ML_DELETE 0x11 /* delete line */
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225 #define ML_INSERT 0x12 /* insert line */
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226 #define ML_FIND 0x13 /* just find the line */
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227 #define ML_FLUSH 0x02 /* flush locked block */
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228 #define ML_SIMPLE(x) (x & 0x10) /* DEL, INS or FIND */
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229
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230 /* argument for ml_upd_block0() */
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231 typedef enum {
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232 UB_FNAME = 0 /* update timestamp and filename */
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233 , UB_SAME_DIR /* update the B0_SAME_DIR flag */
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234 , UB_CRYPT /* update crypt key */
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235 } upd_block0_T;
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236
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237 #ifdef FEAT_CRYPT
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238 static void ml_set_mfp_crypt(buf_T *buf);
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239 static void ml_set_b0_crypt(buf_T *buf, ZERO_BL *b0p);
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240 #endif
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241 static int ml_check_b0_id(ZERO_BL *b0p);
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242 static void ml_upd_block0(buf_T *buf, upd_block0_T what);
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243 static void set_b0_fname(ZERO_BL *, buf_T *buf);
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244 static void set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf);
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245 #ifdef FEAT_MBYTE
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246 static void add_b0_fenc(ZERO_BL *b0p, buf_T *buf);
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247 #endif
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248 static time_t swapfile_info(char_u *);
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249 static int recov_file_names(char_u **, char_u *, int prepend_dot);
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250 static int ml_append_int(buf_T *, linenr_T, char_u *, colnr_T, int, int);
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251 static int ml_delete_int(buf_T *, linenr_T, int);
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252 static char_u *findswapname(buf_T *, char_u **, char_u *);
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253 static void ml_flush_line(buf_T *);
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254 static bhdr_T *ml_new_data(memfile_T *, int, int);
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255 static bhdr_T *ml_new_ptr(memfile_T *);
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256 static bhdr_T *ml_find_line(buf_T *, linenr_T, int);
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257 static int ml_add_stack(buf_T *);
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258 static void ml_lineadd(buf_T *, int);
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259 static int b0_magic_wrong(ZERO_BL *);
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260 #ifdef CHECK_INODE
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261 static int fnamecmp_ino(char_u *, char_u *, long);
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262 #endif
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263 static void long_to_char(long, char_u *);
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264 static long char_to_long(char_u *);
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265 #if defined(UNIX) || defined(WIN3264)
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266 static char_u *make_percent_swname(char_u *dir, char_u *name);
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267 #endif
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268 #ifdef FEAT_CRYPT
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269 static cryptstate_T *ml_crypt_prepare(memfile_T *mfp, off_T offset, int reading);
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270 #endif
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271 #ifdef FEAT_BYTEOFF
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272 static void ml_updatechunk(buf_T *buf, long line, long len, int updtype);
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273 #endif
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274
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275 /*
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276 * Open a new memline for "buf".
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277 *
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278 * Return FAIL for failure, OK otherwise.
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279 */
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280 int
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281 ml_open(buf_T *buf)
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282 {
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283 memfile_T *mfp;
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284 bhdr_T *hp = NULL;
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285 ZERO_BL *b0p;
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286 PTR_BL *pp;
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287 DATA_BL *dp;
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288
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289 /*
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290 * init fields in memline struct
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291 */
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292 buf->b_ml.ml_stack_size = 0; /* no stack yet */
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293 buf->b_ml.ml_stack = NULL; /* no stack yet */
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294 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
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295 buf->b_ml.ml_locked = NULL; /* no cached block */
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296 buf->b_ml.ml_line_lnum = 0; /* no cached line */
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297 #ifdef FEAT_BYTEOFF
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298 buf->b_ml.ml_chunksize = NULL;
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299 #endif
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300
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301 if (cmdmod.noswapfile)
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302 buf->b_p_swf = FALSE;
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303
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304 /*
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305 * When 'updatecount' is non-zero swap file may be opened later.
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306 */
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307 if (p_uc && buf->b_p_swf)
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308 buf->b_may_swap = TRUE;
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309 else
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310 buf->b_may_swap = FALSE;
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311
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312 /*
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313 * Open the memfile. No swap file is created yet.
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314 */
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315 mfp = mf_open(NULL, 0);
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316 if (mfp == NULL)
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317 goto error;
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318
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319 buf->b_ml.ml_mfp = mfp;
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320 #ifdef FEAT_CRYPT
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321 mfp->mf_buffer = buf;
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322 #endif
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323 buf->b_ml.ml_flags = ML_EMPTY;
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324 buf->b_ml.ml_line_count = 1;
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325 #ifdef FEAT_LINEBREAK
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diff changeset
326 curwin->w_nrwidth_line_count = 0;
24d5189d3956 updated for version 7.0005
vimboss
parents: 9
diff changeset
327 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
328
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
329 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
330 * fill block0 struct and write page 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
331 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
332 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
333 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
334 if (hp->bh_bnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
336 IEMSG(_("E298: Didn't get block nr 0?"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
337 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
338 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
339 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
340
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 b0p->b0_id[0] = BLOCK0_ID0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
342 b0p->b0_id[1] = BLOCK0_ID1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
343 b0p->b0_magic_long = (long)B0_MAGIC_LONG;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
344 b0p->b0_magic_int = (int)B0_MAGIC_INT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
345 b0p->b0_magic_short = (short)B0_MAGIC_SHORT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 b0p->b0_magic_char = B0_MAGIC_CHAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 STRNCPY(b0p->b0_version, "VIM ", 4);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 STRNCPY(b0p->b0_version + 4, Version, 6);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size);
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
350
800
d8f905020502 updated for version 7.0b
vimboss
parents: 748
diff changeset
351 #ifdef FEAT_SPELL
d8f905020502 updated for version 7.0b
vimboss
parents: 748
diff changeset
352 if (!buf->b_spell)
d8f905020502 updated for version 7.0b
vimboss
parents: 748
diff changeset
353 #endif
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
354 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
355 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
356 b0p->b0_flags = get_fileformat(buf) + 1;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
357 set_b0_fname(b0p, buf);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
358 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
359 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
360 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
361 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
362 long_to_char(mch_get_pid(), b0p->b0_pid);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
363 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
364 ml_set_b0_crypt(buf, b0p);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
365 #endif
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
366 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 * Always sync block number 0 to disk, so we can check the file name in
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
370 * the swap file in findswapname(). Don't do this for a help files or
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
371 * a spell buffer though.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 * Only works when there's a swapfile, otherwise it's done when the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 * is created.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 mf_put(mfp, hp, TRUE, FALSE);
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
376 if (!buf->b_help && !B_SPELL(buf))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 (void)mf_sync(mfp, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
379 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
380 * Fill in root pointer block and write page 1.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
381 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 if ((hp = ml_new_ptr(mfp)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
386 IEMSG(_("E298: Didn't get block nr 1?"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 pp->pb_pointer[0].pe_bnum = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 pp->pb_pointer[0].pe_line_count = 1; /* line count after insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
397 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
398 * Allocate first data block and create an empty line 1.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
399 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 if (hp->bh_bnum != 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
404 IEMSG(_("E298: Didn't get block nr 2?"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 dp->db_index[0] = --dp->db_txt_start; /* at end of block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 dp->db_free -= 1 + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411 dp->db_line_count = 1;
2003
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
412 *((char_u *)dp + dp->db_txt_start) = NUL; /* empty line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416 error:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
418 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
419 if (hp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 mf_close(mfp, TRUE); /* will also free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 }
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
423 buf->b_ml.ml_mfp = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
425 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
427 #if defined(FEAT_CRYPT) || defined(PROTO)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
428 /*
6130
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
429 * Prepare encryption for "buf" for the current key and method.
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
430 */
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
431 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
432 ml_set_mfp_crypt(buf_T *buf)
6130
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
433 {
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
434 if (*buf->b_p_key != NUL)
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
435 {
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
436 int method_nr = crypt_get_method_nr(buf);
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
437
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
438 if (method_nr > CRYPT_M_ZIP)
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
439 {
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
440 /* Generate a seed and store it in the memfile. */
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
441 sha2_seed(buf->b_ml.ml_mfp->mf_seed, MF_SEED_LEN, NULL, 0);
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
442 }
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
443 }
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
444 }
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
445
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
446 /*
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
447 * Prepare encryption for "buf" with block 0 "b0p".
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
448 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
449 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
450 ml_set_b0_crypt(buf_T *buf, ZERO_BL *b0p)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
451 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
452 if (*buf->b_p_key == NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
453 b0p->b0_id[1] = BLOCK0_ID1;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
454 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
455 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
456 int method_nr = crypt_get_method_nr(buf);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
457
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
458 b0p->b0_id[1] = id1_codes[method_nr];
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
459 if (method_nr > CRYPT_M_ZIP)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
460 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
461 /* Generate a seed and store it in block 0 and in the memfile. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
462 sha2_seed(&b0p->b0_seed, MF_SEED_LEN, NULL, 0);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
463 mch_memmove(buf->b_ml.ml_mfp->mf_seed, &b0p->b0_seed, MF_SEED_LEN);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
464 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
465 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
466 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
467
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
468 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
469 * Called after the crypt key or 'cryptmethod' was changed for "buf".
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
470 * Will apply this to the swapfile.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
471 * "old_key" is the previous key. It is equal to buf->b_p_key when
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
472 * 'cryptmethod' is changed.
2360
d8e4b27cef80 Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents: 2283
diff changeset
473 * "old_cm" is the previous 'cryptmethod'. It is equal to the current
d8e4b27cef80 Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
parents: 2283
diff changeset
474 * 'cryptmethod' when 'key' is changed.
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
475 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
476 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
477 ml_set_crypt_key(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
478 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
479 char_u *old_key,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
480 char_u *old_cm)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
481 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
482 memfile_T *mfp = buf->b_ml.ml_mfp;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
483 bhdr_T *hp;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
484 int page_count;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
485 int idx;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
486 long error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
487 infoptr_T *ip;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
488 PTR_BL *pp;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
489 DATA_BL *dp;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
490 blocknr_T bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
491 int top;
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
492 int old_method;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
493
2483
7901306c5a34 Fix: when setting crypt key seed was not updated when the swap file wasn't
Bram Moolenaar <bram@vim.org>
parents: 2408
diff changeset
494 if (mfp == NULL)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
495 return; /* no memfile yet, nothing to do */
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
496 old_method = crypt_method_nr_from_name(old_cm);
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
497
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
498 /* First make sure the swapfile is in a consistent state, using the old
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
499 * key and method. */
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
500 {
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
501 char_u *new_key = buf->b_p_key;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
502 char_u *new_buf_cm = buf->b_p_cm;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
503
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
504 buf->b_p_key = old_key;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
505 buf->b_p_cm = old_cm;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
506 ml_preserve(buf, FALSE);
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
507 buf->b_p_key = new_key;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
508 buf->b_p_cm = new_buf_cm;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
509 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
510
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
511 /* Set the key, method and seed to be used for reading, these must be the
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
512 * old values. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
513 mfp->mf_old_key = old_key;
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
514 mfp->mf_old_cm = old_method;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
515 if (old_method > 0 && *old_key != NUL)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
516 mch_memmove(mfp->mf_old_seed, mfp->mf_seed, MF_SEED_LEN);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
517
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
518 /* Update block 0 with the crypt flag and may set a new seed. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
519 ml_upd_block0(buf, UB_CRYPT);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
520
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
521 if (mfp->mf_infile_count > 2)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
522 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
523 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
524 * Need to read back all data blocks from disk, decrypt them with the
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
525 * old key/method and mark them to be written. The algorithm is
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
526 * similar to what happens in ml_recover(), but we skip negative block
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
527 * numbers.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
528 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
529 ml_flush_line(buf); /* flush buffered line */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
530 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
531
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
532 hp = NULL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
533 bnum = 1; /* start with block 1 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
534 page_count = 1; /* which is 1 page */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
535 idx = 0; /* start with first index in block 1 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
536 error = 0;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
537 buf->b_ml.ml_stack_top = 0;
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12975
diff changeset
538 VIM_CLEAR(buf->b_ml.ml_stack);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
539 buf->b_ml.ml_stack_size = 0; /* no stack yet */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
540
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
541 for ( ; !got_int; line_breakcheck())
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
542 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
543 if (hp != NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
544 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
545
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
546 /* get the block (pointer or data) */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
547 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
548 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
549 if (bnum == 1)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
550 break;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
551 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
552 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
553 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
554 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
555 pp = (PTR_BL *)(hp->bh_data);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
556 if (pp->pb_id == PTR_ID) /* it is a pointer block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
557 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
558 if (pp->pb_count == 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
559 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
560 /* empty block? */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
561 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
562 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
563 else if (idx < (int)pp->pb_count) /* go a block deeper */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
564 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
565 if (pp->pb_pointer[idx].pe_bnum < 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
566 {
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
567 /* Skip data block with negative block number.
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
568 * Should not happen, because of the ml_preserve()
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
569 * above. Get same block again for next index. */
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
570 ++idx;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
571 continue;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
572 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
573
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
574 /* going one block deeper in the tree, new entry in
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
575 * stack */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
576 if ((top = ml_add_stack(buf)) < 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
577 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
578 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
579 break; /* out of memory */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
580 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
581 ip = &(buf->b_ml.ml_stack[top]);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
582 ip->ip_bnum = bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
583 ip->ip_index = idx;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
584
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
585 bnum = pp->pb_pointer[idx].pe_bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
586 page_count = pp->pb_pointer[idx].pe_page_count;
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
587 idx = 0;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
588 continue;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
589 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
590 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
591 else /* not a pointer block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
592 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
593 dp = (DATA_BL *)(hp->bh_data);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
594 if (dp->db_id != DATA_ID) /* block id wrong */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
595 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
596 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
597 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
598 /* It is a data block, need to write it back to disk. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
599 mf_put(mfp, hp, TRUE, FALSE);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
600 hp = NULL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
601 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
602 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
603 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
604
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
605 if (buf->b_ml.ml_stack_top == 0) /* finished */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
606 break;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
607
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
608 /* go one block up in the tree */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
609 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
610 bnum = ip->ip_bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
611 idx = ip->ip_index + 1; /* go to next index */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
612 page_count = 1;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
613 }
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
614 if (hp != NULL)
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
615 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
616
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
617 if (error > 0)
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
618 EMSG(_("E843: Error while updating swap file crypt"));
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
619 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
620
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
621 mfp->mf_old_key = NULL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
622 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
623 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
624
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 * ml_setname() is called when the file name of "buf" has been changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 * It may rename the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
630 ml_setname(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 int success = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 char_u *dirp;
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
636 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 if (mfp->mf_fd < 0) /* there is no swap file yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 * When 'updatecount' is 0 and 'noswapfile' there is no swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 * For help files we will make a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 */
5737
e25a04c1c515 updated for version 7.4.213
Bram Moolenaar <bram@vim.org>
parents: 5651
diff changeset
647 if (p_uc != 0 && !cmdmod.noswapfile)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 ml_open_file(buf); /* create a swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 * Try all directories in the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 if (*dirp == NUL) /* tried all directories, fail */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 break;
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
660 fname = findswapname(buf, &dirp, mfp->mf_fname);
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
661 /* alloc's fname */
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
662 if (dirp == NULL) /* out of memory */
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
663 break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 if (fname == NULL) /* no file name found for this dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
667 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 * Set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 p = FullName_save(fname, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 fname = p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 /* if the file name is the same we don't have to do anything */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 if (fnamecmp(fname, mfp->mf_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 /* need to close the swap file before renaming */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 if (mfp->mf_fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 close(mfp->mf_fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 mfp->mf_fd = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 /* try to rename the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 if (vim_rename(mfp->mf_fname, fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 vim_free(mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 mfp->mf_fname = fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 vim_free(mfp->mf_ffname);
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
699 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
700 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 mf_set_ffname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 #endif
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
704 ml_upd_block0(buf, UB_SAME_DIR);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 vim_free(fname); /* this fname didn't work, try another */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 if (mfp->mf_fd == -1) /* need to (re)open the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 if (mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 /* could not (re)open the swap file, what can we do???? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 EMSG(_("E301: Oops, lost the swap file!!!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 }
2003
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
719 #ifdef HAVE_FD_CLOEXEC
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
720 {
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
721 int fdflags = fcntl(mfp->mf_fd, F_GETFD);
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
722 if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
7961
a7e58c6e4e9a commit https://github.com/vim/vim/commit/fbc4b4db3a9690906a96e16724350a6241cf32a5
Christian Brabandt <cb@256bit.org>
parents: 7881
diff changeset
723 (void)fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
2003
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
724 }
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
725 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 if (!success)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 EMSG(_("E302: Could not rename swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 * Open a file for the memfile for all buffers that are not readonly or have
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 * been modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 * Used when 'updatecount' changes from zero to non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
737 ml_open_files(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
741 FOR_ALL_BUFFERS(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 if (!buf->b_p_ro || buf->b_changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 ml_open_file(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 * Open a swap file for an existing memfile, if there is no swap file yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 * If we are unable to find a file name, mf_fname will be NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 * and the memfile will be in memory only (no recovery possible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
752 ml_open_file(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 mfp = buf->b_ml.ml_mfp;
5737
e25a04c1c515 updated for version 7.4.213
Bram Moolenaar <bram@vim.org>
parents: 5651
diff changeset
759 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf || cmdmod.noswapfile)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761
748
605c8fbb13dd updated for version 7.0222
vimboss
parents: 720
diff changeset
762 #ifdef FEAT_SPELL
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
763 /* For a spell buffer use a temp file name. */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
764 if (buf->b_spell)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
765 {
6721
7347229a646a updated for version 7.4.684
Bram Moolenaar <bram@vim.org>
parents: 6596
diff changeset
766 fname = vim_tempname('s', FALSE);
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
767 if (fname != NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
768 (void)mf_open_file(mfp, fname); /* consumes fname! */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
769 buf->b_may_swap = FALSE;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
770 return;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
771 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
772 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
773
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 * Try all directories in 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 if (*dirp == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 break;
2273
7f09ce7b4126 Fix a memory leak in encryption. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2272
diff changeset
782 /* There is a small chance that between choosing the swap file name
7f09ce7b4126 Fix a memory leak in encryption. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2272
diff changeset
783 * and creating it, another Vim creates the file. In that case the
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 * creation will fail and we will use another directory. */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
785 fname = findswapname(buf, &dirp, NULL); /* allocates fname */
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
786 if (dirp == NULL)
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
787 break; /* out of memory */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
788 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 {
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
792 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
793 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794 * set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797 mf_fullname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 #endif
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
799 ml_upd_block0(buf, UB_SAME_DIR);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
800
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 /* Flush block zero, so others can read it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 if (mf_sync(mfp, MFS_ZERO) == OK)
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
803 {
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
804 /* Mark all blocks that should be in the swapfile as dirty.
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
805 * Needed for when the 'swapfile' option was reset, so that
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
806 * the swap file was deleted, and then on again. */
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
807 mf_set_dirty(mfp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808 break;
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
809 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 /* Writing block 0 failed: close the file and try another dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 mf_close_file(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 if (mfp->mf_fname == NULL) /* Failed! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 (void)EMSG2(_("E303: Unable to open swap file for \"%s\", recovery impossible"),
3839
8115f449a574 updated for version 7.3.677
Bram Moolenaar <bram@vim.org>
parents: 3158
diff changeset
820 buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
821 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824 /* don't try to open a swap file again */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 buf->b_may_swap = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 * If still need to create a swap file, and starting to edit a not-readonly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 * file, or reading into an existing buffer, create a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
833 check_need_swap(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
834 int newfile) /* reading file into new buffer */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 ml_open_file(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 * Close memline for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 * If 'del_file' is TRUE, delete the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
845 ml_close(buf_T *buf, int del_file)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 if (buf->b_ml.ml_mfp == NULL) /* not open */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 if (buf->b_ml.ml_line_lnum != 0 && (buf->b_ml.ml_flags & ML_LINE_DIRTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 vim_free(buf->b_ml.ml_line_ptr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 #ifdef FEAT_BYTEOFF
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12975
diff changeset
854 VIM_CLEAR(buf->b_ml.ml_chunksize);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 buf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 /* Reset the "recovered" flag, give the ATTENTION prompt the next time
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 * this buffer is loaded. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 buf->b_flags &= ~BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 * Close all existing memlines and memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 * Only used when exiting.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 * When 'del_file' is TRUE, delete the memfiles.
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
867 * But don't delete files that were ":preserve"d when we are POSIX compatible.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
870 ml_close_all(int del_file)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
874 FOR_ALL_BUFFERS(buf)
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
875 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
876 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL));
5519
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
877 #ifdef FEAT_SPELL
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
878 spell_delete_wordlist(); /* delete the internal wordlist */
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
879 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 #ifdef TEMPDIRNAMES
5519
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
881 vim_deltempdir(); /* delete created temp directory */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 * Close all memfiles for not modified buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 * Only use just before exiting!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
890 ml_close_notmod(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
894 FOR_ALL_BUFFERS(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 if (!bufIsChanged(buf))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 ml_close(buf, TRUE); /* close all not-modified buffers */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 * Update the timestamp in the .swp file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 * Used when the file has been written.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
904 ml_timestamp(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
906 ml_upd_block0(buf, UB_FNAME);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
907 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
908
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
909 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
910 * Return FAIL when the ID of "b0p" is wrong.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
911 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
912 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
913 ml_check_b0_id(ZERO_BL *b0p)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
914 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
915 if (b0p->b0_id[0] != BLOCK0_ID0
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
916 || (b0p->b0_id[1] != BLOCK0_ID1
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
917 && b0p->b0_id[1] != BLOCK0_ID1_C0
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
918 && b0p->b0_id[1] != BLOCK0_ID1_C1
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
919 && b0p->b0_id[1] != BLOCK0_ID1_C2)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
920 )
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
921 return FAIL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
922 return OK;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
923 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
924
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
925 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
926 * Update the timestamp or the B0_SAME_DIR flag of the .swp file.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
927 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
928 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
929 ml_upd_block0(buf_T *buf, upd_block0_T what)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
930 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 mfp = buf->b_ml.ml_mfp;
6130
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
936 if (mfp == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937 return;
6130
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
938 hp = mf_get(mfp, (blocknr_T)0, 1);
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
939 if (hp == NULL)
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
940 {
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
941 #ifdef FEAT_CRYPT
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
942 /* Possibly update the seed in the memfile before there is a block0. */
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
943 if (what == UB_CRYPT)
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
944 ml_set_mfp_crypt(buf);
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
945 #endif
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
946 return;
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
947 }
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
948
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 b0p = (ZERO_BL *)(hp->bh_data);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
950 if (ml_check_b0_id(b0p) == FAIL)
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
951 IEMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
953 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
954 if (what == UB_FNAME)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
955 set_b0_fname(b0p, buf);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
956 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
957 else if (what == UB_CRYPT)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
958 ml_set_b0_crypt(buf, b0p);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
959 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
960 else /* what == UB_SAME_DIR */
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
961 set_b0_dir_flag(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
962 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 * Write file name and timestamp into block 0 of a swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 * Also set buf->b_mtime.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 * Don't use NameBuff[]!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
972 set_b0_fname(ZERO_BL *b0p, buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
974 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 if (buf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 {
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
980 #if defined(MSWIN) || defined(AMIGA)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
981 /* Systems that cannot translate "~user" back into a path: copy the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
982 * file name unmodified. Do use slashes instead of backslashes for
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
983 * portability. */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
984 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE_CRYPT - 1);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
985 # ifdef BACKSLASH_IN_FILENAME
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
986 forward_slash(b0p->b0_fname);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
987 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 size_t flen, ulen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 * For a file under the home directory of the current user, we try to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 * replace the home directory path with "~user". This helps when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 * editing the same file on different machines over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 * First replace home dir path with "~/" with home_replace().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 * Then insert the user name to get "~user/".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
999 home_replace(NULL, buf->b_ffname, b0p->b0_fname,
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1000 B0_FNAME_SIZE_CRYPT, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 if (b0p->b0_fname[0] == '~')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 flen = STRLEN(b0p->b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 /* If there is no user name or it is too long, don't use "~/" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1006 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE_CRYPT - 1)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1007 vim_strncpy(b0p->b0_fname, buf->b_ffname,
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1008 B0_FNAME_SIZE_CRYPT - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 mch_memmove(b0p->b0_fname + 1, uname, ulen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 if (mch_stat((char *)buf->b_ffname, &st) >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 long_to_char((long)st.st_mtime, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 long_to_char((long)st.st_ino, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 buf_store_time(buf, &st, buf->b_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 buf->b_mtime_read = buf->b_mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 long_to_char(0L, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 long_to_char(0L, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 buf->b_mtime = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 buf->b_mtime_read = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 buf->b_orig_size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 buf->b_orig_mode = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1037
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1038 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1039 /* Also add the 'fileencoding' if there is room. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1040 add_b0_fenc(b0p, curbuf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1041 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1045 * Update the B0_SAME_DIR flag of the swap file. It's set if the file and the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1046 * swapfile for "buf" are in the same directory.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1047 * This is fail safe: if we are not sure the directories are equal the flag is
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1048 * not set.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1049 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1050 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1051 set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1052 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1053 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1054 b0p->b0_flags |= B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1055 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1056 b0p->b0_flags &= ~B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1057 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1058
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1059 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1060 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1061 * When there is room, add the 'fileencoding' to block zero.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1062 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1063 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1064 add_b0_fenc(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1065 ZERO_BL *b0p,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1066 buf_T *buf)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1067 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1068 int n;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1069 int size = B0_FNAME_SIZE_NOCRYPT;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1070
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1071 # ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1072 /* Without encryption use the same offset as in Vim 7.2 to be compatible.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1073 * With encryption it's OK to move elsewhere, the swap file is not
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1074 * compatible anyway. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1075 if (*buf->b_p_key != NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1076 size = B0_FNAME_SIZE_CRYPT;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1077 # endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1078
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
1079 n = (int)STRLEN(buf->b_p_fenc);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1080 if ((int)STRLEN(b0p->b0_fname) + n + 1 > size)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1081 b0p->b0_flags &= ~B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1082 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1083 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1084 mch_memmove((char *)b0p->b0_fname + size - n,
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1085 (char *)buf->b_p_fenc, (size_t)n);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1086 *(b0p->b0_fname + size - n - 1) = NUL;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1087 b0p->b0_flags |= B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1088 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1089 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1090 #endif
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1091
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1092
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1093 /*
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1094 * Try to recover curbuf from the .swp file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1097 ml_recover(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 buf_T *buf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 memfile_T *mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101 char_u *fname;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1102 char_u *fname_used = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 ZERO_BL *b0p;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1105 int b0_ff;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1106 char_u *b0_fenc = NULL;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1107 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1108 int b0_cm = -1;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1109 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 blocknr_T bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 int page_count;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1115 stat_T org_stat, swp_stat;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 int directly;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 long error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 int cannot_open;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124 int has_error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 int txt_start;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1128 off_T size;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 int called_from_main;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 int serious_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 long mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 int attr;
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1133 int orig_file_status = NOTDONE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 recoverymode = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 called_from_main = (curbuf->b_ml.ml_mfp == NULL);
11158
501f46f7644c patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents: 11127
diff changeset
1137 attr = HL_ATTR(HLF_E);
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1138
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1139 /*
12975
e311187347c1 patch 8.0.1363: recovering does not work when swap file ends in .stz
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
1140 * If the file name ends in ".s[a-w][a-z]" we assume this is the swap file.
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1141 * Otherwise a search is done to find the swap file(s).
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1142 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 fname = curbuf->b_fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 if (fname == NULL) /* When there is no file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 fname = (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 len = (int)STRLEN(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 if (len >= 4 &&
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
1148 #if defined(VMS)
10889
5780bd3a5a7e patch 8.0.0334: can't access b:changedtick from a dict reference
Christian Brabandt <cb@256bit.org>
parents: 10575
diff changeset
1149 STRNICMP(fname + len - 4, "_s", 2)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 #else
10889
5780bd3a5a7e patch 8.0.0334: can't access b:changedtick from a dict reference
Christian Brabandt <cb@256bit.org>
parents: 10575
diff changeset
1151 STRNICMP(fname + len - 4, ".s", 2)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 #endif
10889
5780bd3a5a7e patch 8.0.0334: can't access b:changedtick from a dict reference
Christian Brabandt <cb@256bit.org>
parents: 10575
diff changeset
1153 == 0
12975
e311187347c1 patch 8.0.1363: recovering does not work when swap file ends in .stz
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
1154 && vim_strchr((char_u *)"abcdefghijklmnopqrstuvw",
e311187347c1 patch 8.0.1363: recovering does not work when swap file ends in .stz
Christian Brabandt <cb@256bit.org>
parents: 12477
diff changeset
1155 TOLOWER_ASC(fname[len - 2])) != NULL
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1156 && ASCII_ISALPHA(fname[len - 1]))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 directly = TRUE;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1159 fname_used = vim_strsave(fname); /* make a copy for mf_open() */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 directly = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 /* count the number of matching swap files */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1166 len = recover_names(fname, FALSE, 0, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 if (len == 0) /* no swap files found */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 EMSG2(_("E305: No swap file found for %s"), fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 if (len == 1) /* one swap file found, use it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 else /* several swap files found, choose */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 /* list the names of the swap files */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1177 (void)recover_names(fname, TRUE, 0, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 MSG_PUTS(_("Enter number of swap file to use (0 to quit): "));
374
575dacb554d8 updated for version 7.0096
vimboss
parents: 274
diff changeset
1180 i = get_number(FALSE, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 if (i < 1 || i > len)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 /* get the swap file name that will be used */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1185 (void)recover_names(fname, FALSE, i, &fname_used);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1187 if (fname_used == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 goto theend; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 /* When called from main() still need to initialize storage structure */
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
1191 if (called_from_main && ml_open(curbuf) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 getout(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1194 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1195 * Allocate a buffer structure for the swap file that is used for recovery.
2407
6bc102a4bff8 Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2394
diff changeset
1196 * Only the memline and crypt information in it are really used.
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1197 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 buf = (buf_T *)alloc((unsigned)sizeof(buf_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 goto theend;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1201
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1202 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1203 * init fields in memline struct
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1204 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 buf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 buf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 buf->b_ml.ml_locked = NULL; /* no locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 buf->b_ml.ml_flags = 0;
2408
9e2e63af1641 Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2407
diff changeset
1211 #ifdef FEAT_CRYPT
9e2e63af1641 Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2407
diff changeset
1212 buf->b_p_key = empty_option;
9e2e63af1641 Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2407
diff changeset
1213 buf->b_p_cm = empty_option;
9e2e63af1641 Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2407
diff changeset
1214 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1216 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1217 * open the memfile from the old swap file
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1218 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1219 p = vim_strsave(fname_used); /* save "fname_used" for the message:
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1220 mf_open() will consume "fname_used"! */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1221 mfp = mf_open(fname_used, O_RDONLY);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1222 fname_used = p;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 if (mfp == NULL || mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1225 if (fname_used != NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1226 EMSG2(_("E306: Cannot open %s"), fname_used);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 buf->b_ml.ml_mfp = mfp;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1230 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1231 mfp->mf_buffer = buf;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1232 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 * The page size set in mf_open() might be different from the page size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 * used in the swap file, we must get it from block 0. But to read block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 * 0 we need a page size. Use the minimal size for block 0 here, it will
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 * be set to the real value below.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1242 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1243 * try to read block 0
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1244 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 MSG_PUTS_ATTR(_("Unable to read block 0 from "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1250 MSG_PUTS_ATTR(_("\nMaybe no changes were made or Vim did not update the swap file."),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 msg_outtrans_attr(mfp->mf_fname, MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 MSG_PUTS_ATTR(_("Use Vim version 3.0.\n"), MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1266 if (ml_check_b0_id(b0p) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 EMSG2(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 if (b0_magic_wrong(b0p))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
1275 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 MSG_PUTS_ATTR(_(" cannot be used on this computer.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 MSG_PUTS_ATTR(_("The file was created on "), attr | MSG_HIST);
2273
7f09ce7b4126 Fix a memory leak in encryption. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2272
diff changeset
1284 /* avoid going past the end of a corrupted hostname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 MSG_PUTS_ATTR(b0p->b0_hname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 MSG_PUTS_ATTR(_(",\nor the file has been damaged."), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 }
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1291
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1292 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1293 for (i = 0; i < (int)(sizeof(id1_codes) / sizeof(int)); ++i)
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1294 if (id1_codes[i] == b0p->b0_id[1])
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1295 b0_cm = i;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1296 if (b0_cm > 0)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1297 mch_memmove(mfp->mf_seed, &b0p->b0_seed, MF_SEED_LEN);
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1298 crypt_set_cm_option(buf, b0_cm < 0 ? 0 : b0_cm);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1299 #else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1300 if (b0p->b0_id[1] != BLOCK0_ID1)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1301 {
2283
7e1bd501306d Mainly documentation updates.
Bram Moolenaar <bram@vim.org>
parents: 2273
diff changeset
1302 EMSG2(_("E833: %s is encrypted and this version of Vim does not support encryption"), mfp->mf_fname);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1303 goto theend;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1304 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1305 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1306
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 * If we guessed the wrong page size, we have to recalculate the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 * highest block number in the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 {
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1313 unsigned previous_page_size = mfp->mf_page_size;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1314
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size));
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1316 if (mfp->mf_page_size < previous_page_size)
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1317 {
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1318 msg_start();
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1319 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1320 MSG_PUTS_ATTR(_(" has been damaged (page size is smaller than minimum value).\n"),
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1321 attr | MSG_HIST);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1322 msg_end();
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1323 goto theend;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1324 }
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1325 if ((size = vim_lseek(mfp->mf_fd, (off_T)0L, SEEK_END)) <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 mfp->mf_blocknr_max = 0; /* no file or empty file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 mfp->mf_infile_count = mfp->mf_blocknr_max;
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1330
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1331 /* need to reallocate the memory used to store the data */
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1332 p = alloc(mfp->mf_page_size);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1333 if (p == NULL)
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1334 goto theend;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1335 mch_memmove(p, hp->bh_data, previous_page_size);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1336 vim_free(hp->bh_data);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1337 hp->bh_data = p;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1338 b0p = (ZERO_BL *)(hp->bh_data);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1341 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1342 * If .swp file name given directly, use name from swap file for buffer.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1343 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 if (directly)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 expand_env(b0p->b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1352 smsg((char_u *)_("Using swap file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 if (buf_spname(curbuf) != NULL)
3839
8115f449a574 updated for version 7.3.677
Bram Moolenaar <bram@vim.org>
parents: 3158
diff changeset
1355 vim_strncpy(NameBuff, buf_spname(curbuf), MAXPATHL - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1358 smsg((char_u *)_("Original file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1361 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1362 * check date of swap file and original file
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1363 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 mtime = char_to_long(b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 if (curbuf->b_ffname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 && org_stat.st_mtime > swp_stat.st_mtime)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 || org_stat.st_mtime != mtime))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 EMSG(_("E308: Warning: Original file may have been changed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 out_flush();
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1374
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1375 /* Get the 'fileformat' and 'fileencoding' from block zero. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1376 b0_ff = (b0p->b0_flags & B0_FF_MASK);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1377 if (b0p->b0_flags & B0_HAS_FENC)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1378 {
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1379 int fnsize = B0_FNAME_SIZE_NOCRYPT;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1380
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1381 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1382 /* Use the same size as in add_b0_fenc(). */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1383 if (b0p->b0_id[1] != BLOCK0_ID1)
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1384 fnsize = B0_FNAME_SIZE_CRYPT;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1385 #endif
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1386 for (p = b0p->b0_fname + fnsize; p > b0p->b0_fname && p[-1] != NUL; --p)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1387 ;
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1388 b0_fenc = vim_strnsave(p, (int)(b0p->b0_fname + fnsize - p));
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1389 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1390
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 * Now that we are sure that the file is going to be recovered, clear the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 * contents of the current buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 * Try reading the original file to obtain the values of 'fileformat',
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 * 'fileencoding', etc. Ignore errors. The text itself is not used.
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1404 * When the file is encrypted the user is asked to enter the key.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 if (curbuf->b_ffname != NULL)
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1407 orig_file_status = readfile(curbuf->b_ffname, NULL, (linenr_T)0,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1410 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1411 if (b0_cm >= 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1412 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1413 /* Need to ask the user for the crypt key. If this fails we continue
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1414 * without a key, will probably get garbage text. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1415 if (*curbuf->b_p_key != NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1416 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1417 smsg((char_u *)_("Swap file is encrypted: \"%s\""), fname_used);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1418 MSG_PUTS(_("\nIf you entered a new crypt key but did not write the text file,"));
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1419 MSG_PUTS(_("\nenter the new crypt key."));
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1420 MSG_PUTS(_("\nIf you wrote the text file after changing the crypt key press enter"));
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1421 MSG_PUTS(_("\nto use the same key for text file and swap file"));
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1422 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1423 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1424 smsg((char_u *)_(need_key_msg), fname_used);
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1425 buf->b_p_key = crypt_get_key(FALSE, FALSE);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1426 if (buf->b_p_key == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1427 buf->b_p_key = curbuf->b_p_key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1428 else if (*buf->b_p_key == NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1429 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1430 vim_free(buf->b_p_key);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1431 buf->b_p_key = curbuf->b_p_key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1432 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1433 if (buf->b_p_key == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1434 buf->b_p_key = empty_option;
2165
733f0dc510c3 Undo changes that are meant for the Vim 7.3 branch.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
1435 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1436 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1438 /* Use the 'fileformat' and 'fileencoding' as stored in the swap file. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1439 if (b0_ff != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1440 set_fileformat(b0_ff - 1, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1441 if (b0_fenc != NULL)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1442 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1443 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1444 vim_free(b0_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1445 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1446 unchanged(curbuf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1447
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 bnum = 1; /* start with block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 page_count = 1; /* which is 1 page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 lnum = 0; /* append after line 0 in curbuf */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 idx = 0; /* start with first index in block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 error = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 buf->b_ml.ml_stack = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 if (curbuf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 cannot_open = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 serious_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 for ( ; !got_int; line_breakcheck())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 * get block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 EMSG2(_("E309: Unable to read block 1 from %s"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 else /* there is a block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 if (pp->pb_id == PTR_ID) /* it is a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 /* check line count when using pointer block first time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 if (idx == 0 && line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 line_count -= pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 if (line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 if (pp->pb_count == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 else if (idx < (int)pp->pb_count) /* go a block deeper */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 if (pp->pb_pointer[idx].pe_bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 * Data block with negative block number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 * Try to read lines from the original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 * This is slow, but it works.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 if (!cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 if (readfile(curbuf->b_ffname, NULL, lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 pp->pb_pointer[idx].pe_old_lnum - 1,
10575
01a5f64a7a20 patch 8.0.0177: BufEnter autocommand not fired for a directory
Christian Brabandt <cb@256bit.org>
parents: 10359
diff changeset
1521 line_count, NULL, 0) != OK)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 lnum += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 if (cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 ml_append(lnum++, (char_u *)_("???LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 ++idx; /* get same block again for next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 * going one block deeper in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 break; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 page_count = pp->pb_pointer[idx].pe_page_count;
2885
eb6c70460702 updated for version 7.3.216
Bram Moolenaar <bram@vim.org>
parents: 2823
diff changeset
1551 idx = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 else /* not a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 if (dp->db_id != DATA_ID) /* block id wrong */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 EMSG2(_("E310: Block 1 ID wrong (%s not a .swp file?)"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 * it is a data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 * Append all the lines in this block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 has_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 * check length of block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 * if wrong, use length in pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 if (page_count * mfp->mf_page_size != dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 /* make sure there is a NUL at the end of the block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 *((char_u *)dp + dp->db_txt_end - 1) = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 * check number of lines in block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 * if wrong, use count in data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 if (line_count != dp->db_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may have been inserted/deleted"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 for (i = 0; i < dp->db_line_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 txt_start = (dp->db_index[i] & DB_INDEX_MASK);
1978
7e0c8a18c915 updated for version 7.2-275
vimboss
parents: 1975
diff changeset
1608 if (txt_start <= (int)HEADER_SIZE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 || txt_start >= (int)dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 p = (char_u *)"???";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 p = (char_u *)dp + txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 ml_append(lnum++, p, (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 if (has_error)
1978
7e0c8a18c915 updated for version 7.2-275
vimboss
parents: 1975
diff changeset
1619 ml_append(lnum++, (char_u *)_("???END"),
7e0c8a18c915 updated for version 7.2-275
vimboss
parents: 1975
diff changeset
1620 (colnr_T)0, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 if (buf->b_ml.ml_stack_top == 0) /* finished */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 * go one block up in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 idx = ip->ip_index + 1; /* go to next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 /*
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1638 * Compare the buffer contents with the original file. When they differ
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1639 * set the 'modified' flag.
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1640 * Lines 1 - lnum are the new contents.
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1641 * Lines lnum + 1 to ml_line_count are the original contents.
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1642 * Line ml_line_count + 1 in the dummy empty line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 */
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1644 if (orig_file_status != OK || curbuf->b_ml.ml_line_count != lnum * 2 + 1)
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1645 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1646 /* Recovering an empty file results in two lines and the first line is
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1647 * empty. Don't set the modified flag then. */
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1648 if (!(curbuf->b_ml.ml_line_count == 2 && *ml_get(1) == NUL))
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1649 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1650 changed_int();
10952
835604f3c37a patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
parents: 10896
diff changeset
1651 ++CHANGEDTICK(curbuf);
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1652 }
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1653 }
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1654 else
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1655 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1656 for (idx = 1; idx <= lnum; ++idx)
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1657 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1658 /* Need to copy one line, fetching the other one may flush it. */
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1659 p = vim_strsave(ml_get(idx));
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1660 i = STRCMP(p, ml_get(idx + lnum));
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1661 vim_free(p);
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1662 if (i != 0)
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1663 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1664 changed_int();
10952
835604f3c37a patch 8.0.0365: might free a dict item that wasn't allocated
Christian Brabandt <cb@256bit.org>
parents: 10896
diff changeset
1665 ++CHANGEDTICK(curbuf);
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1666 break;
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1667 }
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1668 }
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1669 }
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1670
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1671 /*
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1672 * Delete the lines from the original file and the dummy line from the
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1673 * empty buffer. These will now be after the last line in the buffer.
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1674 */
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1675 while (curbuf->b_ml.ml_line_count > lnum
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1676 && !(curbuf->b_ml.ml_flags & ML_EMPTY))
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1677 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 curbuf->b_flags |= BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 if (got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 EMSG(_("E311: Recovery Interrupted"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 else if (error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 EMSG(_("E312: Errors detected while recovering; look for lines starting with ???"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 MSG(_("See \":help E312\" for more information."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 {
2162
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1694 if (curbuf->b_changed)
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1695 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1696 MSG(_("Recovery completed. You should check if everything is OK."));
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1697 MSG_PUTS(_("\n(You might want to write out this file under another name\n"));
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1698 MSG_PUTS(_("and run diff with the original file to check for changes)"));
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1699 }
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1700 else
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1701 MSG(_("Recovery completed. Buffer contents equals file contents."));
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1702 MSG_PUTS(_("\nYou may want to delete the .swp file now.\n\n"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1705 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1706 if (*buf->b_p_key != NUL && STRCMP(curbuf->b_p_key, buf->b_p_key) != 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1707 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1708 MSG_PUTS(_("Using crypt key from swap file for the text file.\n"));
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1709 set_option_value((char_u *)"key", 0L, buf->b_p_key, OPT_LOCAL);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1710 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1711 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 redraw_curbuf_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 theend:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1715 vim_free(fname_used);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 }
1053
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1723 if (buf != NULL)
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1724 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1725 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1726 if (buf->b_p_key != curbuf->b_p_key)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1727 free_string_option(buf->b_p_key);
2407
6bc102a4bff8 Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2394
diff changeset
1728 free_string_option(buf->b_p_cm);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1729 #endif
1053
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1730 vim_free(buf->b_ml.ml_stack);
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1731 vim_free(buf);
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1732 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 if (serious_error && called_from_main)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 ml_close(curbuf, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 * Find the names of swap files in current directory and the directory given
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 * with the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 * Used to:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 * - list the swap files for "vim -r"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 * - count the number of swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 * - list the swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 * - find the name of the n'th swap file when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1754 recover_names(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1755 char_u *fname, /* base for swap file name */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1756 int list, /* when TRUE, list the swap file names */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1757 int nr, /* when non-zero, return nr'th swap file name */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1758 char_u **fname_out) /* result when "nr" > 0 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 char_u *(names[6]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 int num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 int file_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 char_u **files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 char_u *dir_name;
2175
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1770 char_u *fname_res = NULL;
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1771 #ifdef HAVE_READLINK
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1772 char_u fname_buf[MAXPATHL];
2175
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1773 #endif
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1774
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1775 if (fname != NULL)
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1776 {
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1777 #ifdef HAVE_READLINK
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1778 /* Expand symlink in the file name, because the swap file is created
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1779 * with the actual file instead of with the symlink. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1780 if (resolve_symlink(fname, fname_buf) == OK)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1781 fname_res = fname_buf;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1782 else
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1783 #endif
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1784 fname_res = fname;
2175
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1785 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 {
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1789 /* use msg() to start the scrolling properly */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 msg((char_u *)_("Swap files found:"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 * Do the loop for every directory in 'directory'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 dir_name = alloc((unsigned)STRLEN(p_dir) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 while (dir_name != NULL && *dirp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 * Isolate a directory name from *dirp and put it in dir_name (we know
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 * it is large enough, so use 31000 for length).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 * Advance dirp to next directory name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 (void)copy_option_part(&dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1811 if (fname == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 names[0] = vim_strsave((char_u *)"*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 names[0] = vim_strsave((char_u *)"*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 #endif
1005
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1818 #if defined(UNIX) || defined(WIN3264)
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1819 /* For Unix names starting with a dot are special. MS-Windows
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1820 * supports this too, on some file systems. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 names[1] = vim_strsave((char_u *)".*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 names[2] = vim_strsave((char_u *)".sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 names[1] = vim_strsave((char_u *)".*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 else
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1834 num_names = recov_file_names(names, fname_res, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 else /* check directory dir_name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1838 if (fname == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 #endif
1005
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1845 #if defined(UNIX) || defined(WIN3264)
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1846 /* For Unix names starting with a dot are special. MS-Windows
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1847 * supports this too, on some file systems. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 #if defined(UNIX) || defined(WIN3264)
10996
2f041b367cd9 patch 8.0.0387: compiler warnings
Christian Brabandt <cb@256bit.org>
parents: 10952
diff changeset
1863 int len = (int)STRLEN(dir_name);
10896
d513b653f5d0 patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents: 10889
diff changeset
1864
d513b653f5d0 patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents: 10889
diff changeset
1865 p = dir_name + len;
d513b653f5d0 patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents: 10889
diff changeset
1866 if (after_pathsep(dir_name, p) && len > 1 && p[-1] == p[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 /* Ends with '//', Use Full path for swap name */
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1869 tail = make_percent_swname(dir_name, fname_res);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 {
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1874 tail = gettail(fname_res);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 tail = concat_fnames(dir_name, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 if (tail == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 num_names = recov_file_names(names, tail, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 vim_free(tail);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 /* check for out-of-memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 if (names[i] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 if (num_names == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 else if (expand_wildcards(num_names, names, &num_files, &files,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 * When no swap file found, wildcard expansion might have failed (e.g.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 * not able to execute the shell).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 * Try finding a swap file by simply adding ".swp" to the file name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1908 if (*dirp == NUL && file_count + num_files == 0 && fname != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1910 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 char_u *swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1913 swapname = modname(fname_res,
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
1914 #if defined(VMS)
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1915 (char_u *)"_swp", FALSE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 #else
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1917 (char_u *)".swp", TRUE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 #endif
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1919 );
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 if (swapname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 files = (char_u **)alloc((unsigned)sizeof(char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 if (files != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 files[0] = swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 swapname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 num_files = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 vim_free(swapname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 * remove swapfile name of the current buffer, it must be ignored
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 if (curbuf->b_ml.ml_mfp != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 {
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1945 /* Remove the name from files[i]. Move further entries
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1946 * down. When the array becomes empty free it here, since
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1947 * FreeWild() won't be called below. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 vim_free(files[i]);
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1949 if (--num_files == 0)
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1950 vim_free(files);
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1951 else
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1952 for ( ; i < num_files; ++i)
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1953 files[i] = files[i + 1];
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 }
838
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
1956 if (nr > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 if (nr <= file_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1961 *fname_out = vim_strsave(
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1962 files[nr - 1 + num_files - file_count]);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 dirp = (char_u *)""; /* stop searching */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 else if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 if (dir_name[0] == '.' && dir_name[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1970 if (fname == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 MSG_PUTS(_(" In current directory:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 MSG_PUTS(_(" Using specified name:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 MSG_PUTS(_(" In directory "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 msg_home_replace(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 MSG_PUTS(":\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 if (num_files)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 /* print the swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 msg_outnum((long)++file_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 MSG_PUTS(". ");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 msg_puts(gettail(files[i]));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 (void)swapfile_info(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 MSG_PUTS(_(" -- none --\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 vim_free(names[i]);
838
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
2003 if (num_files > 0)
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
2004 FreeWild(num_files, files);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 return file_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 * Append the full path to name with path separators made into percent
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 static char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2016 make_percent_swname(char_u *dir, char_u *name)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2018 char_u *d, *s, *f;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 f = fix_fname(name != NULL ? name : (char_u *) "");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 d = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 if (f != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 s = alloc((unsigned)(STRLEN(f) + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2027 STRCPY(s, f);
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10996
diff changeset
2028 for (d = s; *d != NUL; MB_PTR_ADV(d))
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2029 if (vim_ispathsep(*d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2030 *d = '%';
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 d = concat_fnames(dir, s, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 vim_free(f);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 return d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
2040 #if (defined(UNIX) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 static int process_still_running;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 /*
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
2045 * Give information about an existing swap file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046 * Returns timestamp (0 when unknown).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 static time_t
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2049 swapfile_info(char_u *fname)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
2051 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 time_t x = (time_t)0;
1001
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2055 char *p;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 /* print the swap file date */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 if (mch_stat((char *)fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 /* print name of owner of the file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 MSG_PUTS(_(" owned by: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 msg_outtrans(uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
1001
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2075 p = ctime(&x); /* includes '\n' */
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2076 if (p == NULL)
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2077 MSG_PUTS("(invalid)\n");
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2078 else
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2079 MSG_PUTS(p);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 * print the original file name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 {
2664
033e7b49356c updated for version 7.3.083
Bram Moolenaar <bram@vim.org>
parents: 2657
diff changeset
2088 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 MSG_PUTS(_(" [from Vim version 3.0]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
2094 else if (ml_check_b0_id(&b0) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 MSG_PUTS(_(" [does not look like a Vim swap file]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 MSG_PUTS(_(" file name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 if (b0.b0_fname[0] == NUL)
9
4102fb4ea781 updated for version 7.0002
vimboss
parents: 7
diff changeset
2102 MSG_PUTS(_("[No Name]"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 msg_outtrans(b0.b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 MSG_PUTS(_("\n modified: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 MSG_PUTS(b0.b0_dirty ? _("YES") : _("no"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 MSG_PUTS(_("\n user name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 msg_outtrans(b0.b0_uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 if (*(b0.b0_hname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 MSG_PUTS(_(" host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 MSG_PUTS(_("\n host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 msg_outtrans(b0.b0_hname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 if (char_to_long(b0.b0_pid) != 0L)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 MSG_PUTS(_("\n process ID: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 msg_outnum(char_to_long(b0.b0_pid));
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
2128 #if defined(UNIX)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129 /* EMX kill() not working correctly, it seems */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 if (kill((pid_t)char_to_long(b0.b0_pid), 0) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 MSG_PUTS(_(" (still running)"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 process_still_running = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 if (b0_magic_wrong(&b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 {
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
2142 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2143 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 MSG_PUTS(_("\n [not usable with this version of Vim]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 MSG_PUTS(_("\n [not usable on this computer]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 MSG_PUTS(_(" [cannot be read]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 MSG_PUTS(_(" [cannot be opened]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 return x;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2163 recov_file_names(char_u **names, char_u *path, int prepend_dot)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 * (Win32 and Win64) never short names, but do prepend a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 * Only use the short name if it is different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 int shortname = curbuf->b_shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 curbuf->b_shortname = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 * May also add the file name with a dot prepended, for swap file in same
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 * dir as original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 if (prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 names[num_names] = modname(path, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 * Form the normal swap file name pattern by appending ".sw?".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 if (num_names >= 1) /* check if we have the same name twice */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 p = names[num_names - 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 if (STRCMP(p, names[num_names]) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 * Also try with 'shortname' set, in case the file is on a DOS filesystem.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 curbuf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 names[num_names] = modname(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 names[num_names] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 * Remove the one from 'shortname', if it's the same as with 'noshortname'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 p = names[num_names];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 if (STRCMP(names[num_names - 1], p) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 end:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 curbuf->b_shortname = shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 return num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 * sync all memlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 * If 'check_file' is TRUE, check if original file exists and was not changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 * If 'check_char' is TRUE, stop syncing when character becomes available, but
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 * always sync at least one block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2261 ml_sync_all(int check_file, int check_char)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 buf_T *buf;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
2264 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
2266 FOR_ALL_BUFFERS(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 if (buf->b_ml.ml_mfp == NULL || buf->b_ml.ml_mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 continue; /* no file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 && buf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 * If the original file does not exist anymore or has been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 * call ml_preserve() to get rid of all negative numbered blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 if (mch_stat((char *)buf->b_ffname, &st) == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 || st.st_mtime != buf->b_mtime_read
2241
60da25e3aab7 Correct use of long instead of off_t for file size. (James Vega)
Bram Moolenaar <bram@vim.org>
parents: 2240
diff changeset
2283 || st.st_size != buf->b_orig_size)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 ml_preserve(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 did_check_timestamps = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 need_check_timestamps = TRUE; /* give message later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 if (buf->b_ml.ml_mfp->mf_dirty)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 | (bufIsChanged(buf) ? MFS_FLUSH : 0));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 if (check_char && ui_char_avail()) /* character available now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 * sync one buffer, including negative blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 * after this all the blocks are in the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 * Used for the :preserve command and when the original file has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 * changed or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 * when message is TRUE the success of preserving is reported
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2311 ml_preserve(buf_T *buf, int message)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 int status;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 int got_int_save = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 if (mfp == NULL || mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 EMSG(_("E313: Cannot preserve, there is no swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 /* We only want to stop when interrupted here, not when interrupted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 * before. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 /* stack is invalid after mf_sync(.., MFS_ALL) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 * Some of the data blocks may have been changed from negative to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 * positive block number. In that case the pointer blocks need to be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 * updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 * We don't know in which pointer block the references are, so we visit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 * all data blocks until there are no more translations to be done (or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 * we hit the end of the file, which can only happen in case a write fails,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 * e.g. when file system if full).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 * ml_find_line() does the work by translating the negative block numbers
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 * when getting the first line of each data block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 if (mf_need_trans(mfp) && !got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 lnum = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 /* sync the updated pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2368 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2370 got_int |= got_int_save;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2371
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 if (status == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 MSG(_("File preserved"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 EMSG(_("E314: Preserve failed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2379 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2380
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 * NOTE: The pointer returned by the ml_get_*() functions only remains valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 * until the next call!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 * line1 = ml_get(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 * line2 = ml_get(2); // line1 is now invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 * Make a copy of the line if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2389 * Return a pointer to a (read-only copy of a) line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 * On failure an error message is given and IObuff is returned (to avoid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 * having to check for error everywhere).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2395 ml_get(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 return ml_get_buf(curbuf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2401 * Return pointer to position "pos".
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2404 ml_get_pos(pos_T *pos)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2410 * Return pointer to cursor line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2413 ml_get_curline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2419 * Return pointer to cursor position.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2422 ml_get_cursor(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 curwin->w_cursor.col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2429 * Return a pointer to a line in a specific buffer
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 * "will_change": if TRUE mark the buffer dirty (chars in the line will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 * changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2435 ml_get_buf(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2436 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2437 linenr_T lnum,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2438 int will_change) /* line will be changed */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 {
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2440 bhdr_T *hp;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2441 DATA_BL *dp;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2442 char_u *ptr;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2443 static int recursive = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 {
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2447 if (recursive == 0)
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2448 {
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2449 /* Avoid giving this message for a recursive call, may happen when
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2450 * the GUI redraws part of the text. */
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2451 ++recursive;
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
2452 IEMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2453 --recursive;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2454 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 errorret:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 STRCPY(IObuff, "???");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 return IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 if (lnum <= 0) /* pretend line 0 is line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 return (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464
2108
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2465 /*
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2466 * See if it is the same line as requested last time.
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2467 * Otherwise may need to flush last used line.
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2468 * Don't use the last used line when 'swapfile' is reset, need to load all
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2469 * blocks.
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2470 */
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
2471 if (buf->b_ml.ml_line_lnum != lnum || mf_dont_release)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 ml_flush_line(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 {
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2482 if (recursive == 0)
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2483 {
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2484 /* Avoid giving this message for a recursive call, may happen
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2485 * when the GUI redraws part of the text. */
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2486 ++recursive;
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
2487 IEMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2488 --recursive;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2489 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 goto errorret;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 ptr = (char_u *)dp + ((dp->db_index[lnum - buf->b_ml.ml_locked_low]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 buf->b_ml.ml_line_ptr = ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 buf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 if (will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 return buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 * Check if a line that was just obtained by a call to ml_get
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 * is in allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2511 ml_line_alloced(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517 * Append a line after lnum (may be 0 to insert a line in front of the file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 * "line" does not need to be allocated, but can't be another line in a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 * buffer, unlocking may make it invalid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 * will be set for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 * appended_lines().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2529 ml_append(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2530 linenr_T lnum, /* append after this line (can be 0) */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2531 char_u *line, /* text of the new line */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2532 colnr_T len, /* length of new line, including NUL, or 0 */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2533 int newfile) /* flag, see above */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 /* When starting up, we might still need to create the memfile */
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2360
diff changeset
2536 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 if (curbuf->b_ml.ml_line_lnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543
12477
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
2544 #if defined(FEAT_SPELL) || defined(FEAT_QUICKFIX) || defined(PROTO)
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2545 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2546 * Like ml_append() but for an arbitrary buffer. The buffer must already have
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2547 * a memline.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2548 */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2549 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2550 ml_append_buf(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2551 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2552 linenr_T lnum, /* append after this line (can be 0) */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2553 char_u *line, /* text of the new line */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2554 colnr_T len, /* length of new line, including NUL, or 0 */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2555 int newfile) /* flag, see above */
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2556 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2557 if (buf->b_ml.ml_mfp == NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2558 return FAIL;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2559
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2560 if (buf->b_ml.ml_line_lnum != 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2561 ml_flush_line(buf);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2562 return ml_append_int(buf, lnum, line, len, newfile, FALSE);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2563 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2564 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2565
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2567 ml_append_int(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2568 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2569 linenr_T lnum, /* append after this line (can be 0) */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2570 char_u *line, /* text of the new line */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2571 colnr_T len, /* length of line, including NUL, or 0 */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2572 int newfile, /* flag, see above */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2573 int mark) /* mark the new line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 int line_count; /* number of indexes in current block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 int offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 int from, to;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 int space_needed; /* space needed for new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 int page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 int db_idx; /* index for lnum in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 /* lnum out of range */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 len = (colnr_T)STRLEN(line) + 1; /* space needed for the text */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 space_needed = len + INDEX_SIZE; /* space needed for text + index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 page_size = mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 * find the data block containing the previous line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 * This also fills the stack with the blocks from the root to the data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 buf->b_ml.ml_flags &= ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 if (lnum == 0) /* got line one instead, correct db_idx */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 else
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vimboss
parents:
diff changeset
2617 db_idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 * If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 * - there is not enough room in the current block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 * - appending to the last line in the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 * - not appending to the last line in the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 * insert in front of the next block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 if ((int)dp->db_free < space_needed && db_idx == line_count - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 && lnum < buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 * Now that the line is not going to be inserted in the block that we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 * expected, the line count has to be adjusted in the pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 * by using ml_locked_lineadd.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 ++buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 if ((int)dp->db_free >= space_needed) /* enough room in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 * Insert new line in existing data block, or in data block allocated above.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 dp->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 dp->db_free -= space_needed;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 ++(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 * move the text of the lines that follow to the front
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 * adjust the indexes of the lines that follow
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 if (line_count > db_idx + 1) /* if there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 * Offset is the start of the previous line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 * This will become the character just after the new line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 if (db_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 offset = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 mch_memmove((char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 (char *)dp + dp->db_txt_start + len,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 (size_t)(offset - (dp->db_txt_start + len)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 for (i = line_count - 1; i > db_idx; --i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 dp->db_index[i + 1] = dp->db_index[i] - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 dp->db_index[db_idx + 1] = offset - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 else /* add line at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 dp->db_index[db_idx + 1] = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 * copy the text into the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 dp->db_index[db_idx + 1] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 * Mark the block dirty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 if (!newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 else /* not enough space in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 * If there is not enough room we have to create a new data block and copy some
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 * lines into it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 * Then we have to insert an entry in the pointer block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 * If this pointer block also is full, we go up another block, and so on, up
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 * to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 long line_count_left, line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 int page_count_left, page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 bhdr_T *hp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 bhdr_T *hp_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 bhdr_T *hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 int lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 int data_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 int total_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 DATA_BL *dp_right, *dp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 int in_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 int lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 blocknr_T bnum_left, bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 linenr_T lnum_left, lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 int pb_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 PTR_BL *pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 * We are going to allocate a new data block. Depending on the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 * situation it will be put to the left or right of the existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 * block. If possible we put the new line in the left block and move
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 * the lines after it to the right block. Otherwise the new line is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 * also put in the right block. This method is more efficient when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 * inserting a lot of lines at one place.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 if (db_idx < 0) /* left block is new, right block is existing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 lines_moved = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 in_left = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 else /* left block is existing, right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 lines_moved = line_count - db_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 if (lines_moved == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 total_moved = data_moved + lines_moved * INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 if ((int)dp->db_free + total_moved >= space_needed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 in_left = TRUE; /* put new line in left block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 space_needed = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 space_needed += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 /* correct line counts in pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 hp_left = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 hp_right = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 line_count_right = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 hp_left = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 hp_right = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 line_count_left = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 dp_right = (DATA_BL *)(hp_right->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 dp_left = (DATA_BL *)(hp_left->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 bnum_left = hp_left->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 bnum_right = hp_right->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 page_count_left = hp_left->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 page_count_right = hp_right->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796 * May move the new line into the right/new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 if (!in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 dp_right->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 dp_right->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 dp_right->db_index[0] = dp_right->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 dp_right->db_index[0] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 ++line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 * may move lines from the left/old block to the right/new one.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 if (lines_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 dp_right->db_txt_start -= data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 dp_right->db_free -= total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 (char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 (size_t)data_moved);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822 offset = dp_right->db_txt_start - dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 dp_left->db_txt_start += data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 dp_left->db_free += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 * update indexes in the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 for (to = line_count_right, from = db_idx + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 from < line_count_left; ++from, ++to)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 dp_right->db_index[to] = dp->db_index[from] + offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 line_count_right += lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 line_count_left -= lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 * May move the new line into the left (old or new) block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 dp_left->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 dp_left->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 dp_left->db_index[line_count_left] = dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 dp_left->db_index[line_count_left] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 mch_memmove((char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 ++line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 lnum_left = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 lnum_right = lnum + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2862 lnum_right = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2863 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2864 dp_left->db_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2865 dp_right->db_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2866
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2867 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2868 * release the two data blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2869 * The new one (hp_new) already has a correct blocknumber.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2870 * The old one (hp, in ml_locked) gets a positive blocknumber if
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2871 * we changed it and we are not editing a new file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2872 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2873 if (lines_moved || in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2874 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2875 if (!newfile && db_idx >= 0 && in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2876 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2877 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2878
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2879 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2880 * flush the old data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2881 * set ml_locked_lineadd to 0, because the updating of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2882 * pointer blocks is done below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2883 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2884 lineadd = buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2885 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2886 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2887
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2888 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2889 * update pointer blocks for the new data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2890 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 pb_idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2899 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2900 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
2901 IEMSG(_("E317: pointer block id wrong 3"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2903 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2904 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2905 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2906 * TODO: If the pointer block is full and we are adding at the end
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 * try to insert in front of the next block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 /* block not full, add one entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910 if (pp->pb_count < pp->pb_count_max)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2911 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2912 if (pb_idx + 1 < (int)pp->pb_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2913 mch_memmove(&pp->pb_pointer[pb_idx + 2],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2914 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2915 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2916 ++pp->pb_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2917 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2918 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2919 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2920 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2921 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2922 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2923
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2924 if (lnum_left != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2925 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2926 if (lnum_right != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2927 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2928
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2929 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2930 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2931
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2932 if (lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2933 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2934 --(buf->b_ml.ml_stack_top);
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
2935 /* fix line count for rest of blocks in the stack */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2936 ml_lineadd(buf, lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2937 /* fix stack itself */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2938 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2939 lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2940 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2941 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2942
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2943 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2944 * We are finished, break the loop here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2945 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2946 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2947 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2948 else /* pointer block full */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2949 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2950 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2951 * split the pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2952 * allocate a new pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2953 * move some of the pointer into the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2954 * prepare for updating the parent block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2955 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2956 for (;;) /* do this twice when splitting block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2957 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2958 hp_new = ml_new_ptr(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2959 if (hp_new == NULL) /* TODO: try to fix tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2960 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2961 pp_new = (PTR_BL *)(hp_new->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2962
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2963 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2964 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2965
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2966 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2967 * if block 1 becomes full the tree is given an extra level
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2968 * The pointers from block 1 are moved into the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2969 * block 1 is updated to point to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2970 * then continue to split the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2971 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2972 mch_memmove(pp_new, pp, (size_t)page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2973 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2974 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 hp = hp_new; /* new block is to be split */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 pp = pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981 CHECK(stack_idx != 0, _("stack_idx should be 0"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2982 ip->ip_index = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 ++stack_idx; /* do block 1 again later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2985 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2986 * move the pointers after the current one to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 * If there are none, the new entry will be in the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989 total_moved = pp->pb_count - pb_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 if (total_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992 mch_memmove(&pp_new->pb_pointer[0],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 (size_t)(total_moved) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 pp_new->pb_count = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 pp->pb_count -= total_moved - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000 if (lnum_right)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3002 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3003 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3004 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3005 pp_new->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3006 pp_new->pb_pointer[0].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3007 pp_new->pb_pointer[0].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3008 pp_new->pb_pointer[0].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3009 pp_new->pb_pointer[0].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3010 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3011 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3012 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3013 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3014 if (lnum_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3015 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3016 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3017 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3018
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3019 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3020 * recompute line counts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3021 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3022 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3023 for (i = 0; i < (int)pp_new->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3024 line_count_right += pp_new->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3025 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3026 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3027 line_count_left += pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3028
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3029 bnum_left = hp->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3030 bnum_right = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3031 page_count_left = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3032 page_count_right = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3033 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3034 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3035 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3036 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3037
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3038 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3039 * Safety check: fallen out of for loop?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3040 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3041 if (stack_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3042 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3043 IEMSG(_("E318: Updated too many blocks?"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3044 buf->b_ml.ml_stack_top = 0; /* invalidate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3045 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3046 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3047
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3048 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3049 /* The line was inserted below 'lnum' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3050 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3051 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3052 #ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
3053 if (netbeans_active())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3054 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3055 if (STRLEN(line) > 0)
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
3056 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, (int)STRLEN(line));
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
3057 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3058 (char_u *)"\n", 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3059 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3060 #endif
8493
caed4b2d305f commit https://github.com/vim/vim/commit/509ce2a558e7e0c03242e32e844255af52f1c821
Christian Brabandt <cb@256bit.org>
parents: 8422
diff changeset
3061 #ifdef FEAT_JOB_CHANNEL
8422
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3062 if (buf->b_write_to_channel)
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3063 channel_write_new_lines(buf);
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3064 #endif
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3065
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3066 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3067 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3068
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3069 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
3070 * Replace line lnum, with buffering, in current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3071 *
720
e180933b876a updated for version 7.0219
vimboss
parents: 714
diff changeset
3072 * If "copy" is TRUE, make a copy of the line, otherwise the line has been
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3073 * copied to allocated memory already.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3074 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3075 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3076 * changed_lines(), unless update_screen(NOT_VALID) is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3077 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3078 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3079 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3080 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3081 ml_replace(linenr_T lnum, char_u *line, int copy)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3082 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3083 if (line == NULL) /* just checking... */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3084 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3085
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3086 /* When starting up, we might still need to create the memfile */
2394
a3aca345aafa Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents: 2360
diff changeset
3087 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3088 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3089
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3090 if (copy && (line = vim_strsave(line)) == NULL) /* allocate memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3091 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3092 #ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
3093 if (netbeans_active())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3094 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3095 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum)));
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
3096 netbeans_inserted(curbuf, lnum, 0, line, (int)STRLEN(line));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3097 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3098 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3099 if (curbuf->b_ml.ml_line_lnum != lnum) /* other line buffered */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3100 ml_flush_line(curbuf); /* flush it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3101 else if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) /* same line allocated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3102 vim_free(curbuf->b_ml.ml_line_ptr); /* free it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3103 curbuf->b_ml.ml_line_ptr = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3104 curbuf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3105 curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3106
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3107 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3108 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3109
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3110 /*
12477
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
3111 * Delete line "lnum" in the current buffer.
68d7bc045dbe patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 11158
diff changeset
3112 * When "message" is TRUE may give a "No lines in buffer" message.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3113 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3114 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3115 * deleted_lines() after this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3116 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3117 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3118 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3119 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3120 ml_delete(linenr_T lnum, int message)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3121 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3122 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3123 return ml_delete_int(curbuf, lnum, message);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3124 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3125
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3126 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3127 ml_delete_int(buf_T *buf, linenr_T lnum, int message)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3128 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3129 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3130 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3131 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3132 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3133 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3134 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3135 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3136 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3137 int text_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3138 int line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3139 long line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3140 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3141
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3142 if (lnum < 1 || lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3143 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3144
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3145 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3146 lowest_marked--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3147
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3148 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3149 * If the file becomes empty the last line is replaced by an empty line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3150 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3151 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3152 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3153 if (message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3154 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3155 && !netbeansSuppressNoLines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3156 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3157 )
680
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
3158 set_keep_msg((char_u *)_(no_lines_msg), 0);
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
3159
4352
04736b4030ec updated for version 7.3.925
Bram Moolenaar <bram@vim.org>
parents: 3839
diff changeset
3160 /* FEAT_BYTEOFF already handled in there, don't worry 'bout it below */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3161 i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 buf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3163
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 return i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3165 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3166
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3167 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3168 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3169 * This also fills the stack with the blocks from the root to the data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3170 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3171 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3172 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3173 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3174 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3175
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3176 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3177 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3178
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3179 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3180 /* compute line count before the delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3181 count = (long)(buf->b_ml.ml_locked_high)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3182 - (long)(buf->b_ml.ml_locked_low) + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3183 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3184
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3185 --buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3186
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3187 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3188 if (idx == 0) /* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3189 line_size = dp->db_txt_end - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3190 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3191 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3192
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3193 #ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
3194 if (netbeans_active())
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
3195 netbeans_removed(buf, lnum, 0, (long)line_size);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3196 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3197
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3198 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3199 * special case: If there is only one line in the data block it becomes empty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3200 * Then we have to remove the entry, pointing to this data block, from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3201 * pointer block. If this pointer block also becomes empty, we go up another
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3202 * block, and so on, up to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3203 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3204 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3205 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3206 if (count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3207 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3208 mf_free(mfp, hp); /* free the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3209 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3210
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
3211 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
3212 --stack_idx)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3213 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3214 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3215 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3216 idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3217 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3218 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3219 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3220 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3221 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3222 IEMSG(_("E317: pointer block id wrong 4"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3223 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3224 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3225 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3226 count = --(pp->pb_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3227 if (count == 0) /* the pointer block becomes empty! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3228 mf_free(mfp, hp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3229 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3230 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3231 if (count != idx) /* move entries after the deleted one */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3232 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233 (size_t)(count - idx) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3234 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3237 /* fix line count for rest of blocks in the stack */
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3238 if (buf->b_ml.ml_locked_lineadd != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3239 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3242 buf->b_ml.ml_locked_lineadd;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 CHECK(stack_idx < 0, _("deleted block 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 * delete the text by moving the next lines forwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256 text_start = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 mch_memmove((char *)dp + text_start + line_size,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258 (char *)dp + text_start, (size_t)(line_start - text_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 * delete the index by moving the next indexes backwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 * Adjust the indexes for the text movement.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264 for (i = idx; i < count - 1; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 dp->db_index[i] = dp->db_index[i + 1] + line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 dp->db_free += line_size + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 dp->db_txt_start += line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 --(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 * mark the block dirty and make sure it is in the file (for recovery)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3283 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 * set the B_MARKED flag for line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3287 ml_setmarked(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 || curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296 if (lowest_marked == 0 || lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297 lowest_marked = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 * This also fills the stack with the blocks from the root to the data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3302 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3303 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3305 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3307 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3308 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3309 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3310 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3311
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3312 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3313 * find the first line with its B_MARKED flag set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3315 linenr_T
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3316 ml_firstmarked(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3317 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3319 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3321 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323 if (curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3324 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3326 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327 * The search starts with lowest_marked line. This is the last line where
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3328 * a mark was found, adjusted by inserting/deleting lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3330 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3331 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3332 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3333 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3334 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3335 * block This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3336 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3337 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3338 return (linenr_T)0; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3339
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3340 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3341
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3342 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3343 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3344 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3345 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3346 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3347 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3348 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3349 return lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3350 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3351 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3352
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3353 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3354 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3355
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3356 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3357 * clear all DB_MARKED flags
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3358 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3359 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3360 ml_clearmarked(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3361 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3362 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3363 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3364 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3365 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3366
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3367 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3368 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3369
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3370 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3371 * The search starts with line lowest_marked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3372 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3373 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3375 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3376 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3377 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3378 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3379 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3380 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3381 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3382
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3383 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3384
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3385 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3386 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3387 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3388 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3389 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3390 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3391 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3392 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3393
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3394 lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3395 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3397
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399 * flush ml_line if necessary
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3402 ml_flush_line(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3404 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3406 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3407 char_u *new_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3408 char_u *old_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3409 colnr_T new_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3410 int old_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411 int extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 int start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 int i;
2075
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3416 static int entered = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3417
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421 if (buf->b_ml.ml_flags & ML_LINE_DIRTY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 {
2075
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3423 /* This code doesn't work recursively, but Netbeans may call back here
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3424 * when obtaining the cursor position. */
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3425 if (entered)
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3426 return;
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3427 entered = TRUE;
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3428
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 lnum = buf->b_ml.ml_line_lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430 new_line = buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3431
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3432 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3433 if (hp == NULL)
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3434 IEMSGN(_("E320: Cannot find line %ld"), lnum);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3435 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3436 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3437 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3438 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3439 start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3440 old_line = (char_u *)dp + start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3441 if (idx == 0) /* line is last in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3442 old_len = dp->db_txt_end - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3443 else /* text of previous line follows */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3444 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3445 new_len = (colnr_T)STRLEN(new_line) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3446 extra = new_len - old_len; /* negative if lines gets smaller */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3447
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3448 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3449 * if new line fits in data block, replace directly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3450 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3451 if ((int)dp->db_free >= extra)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3452 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3453 /* if the length changes and there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3454 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3455 if (extra != 0 && idx < count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3456 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3457 /* move text of following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3458 mch_memmove((char *)dp + dp->db_txt_start - extra,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3459 (char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3460 (size_t)(start - dp->db_txt_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3461
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3462 /* adjust pointers of this and following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3463 for (i = idx + 1; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3464 dp->db_index[i] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3465 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3466 dp->db_index[idx] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3467
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3468 /* adjust free space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3469 dp->db_free -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3470 dp->db_txt_start -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3471
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3472 /* copy new line into the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3473 mch_memmove(old_line - extra, new_line, (size_t)new_len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3474 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3475 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3476 /* The else case is already covered by the insert and delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3477 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3478 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3479 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3480 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3481 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3482 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3483 * Cannot do it in one data block: Delete and append.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3484 * Append first, because ml_delete_int() cannot delete the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3485 * last line in a buffer, which causes trouble for a buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3486 * that has only one line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3487 * Don't forget to copy the mark!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3488 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3489 /* How about handling errors??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3490 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3491 (dp->db_index[idx] & DB_MARKED));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3492 (void)ml_delete_int(buf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3493 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3494 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3495 vim_free(new_line);
2075
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3496
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3497 entered = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3498 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3499
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3500 buf->b_ml.ml_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3501 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3502
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3503 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3504 * create a new, empty, data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3505 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3506 static bhdr_T *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3507 ml_new_data(memfile_T *mfp, int negative, int page_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3508 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3509 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3510 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3511
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3512 if ((hp = mf_new(mfp, negative, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3513 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3514
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3515 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 dp->db_id = DATA_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3518 dp->db_free = dp->db_txt_start - HEADER_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3519 dp->db_line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3520
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3521 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3522 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3523
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3524 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 * create a new, empty, pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3526 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3527 static bhdr_T *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3528 ml_new_ptr(memfile_T *mfp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3529 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3530 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3532
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3533 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3534 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3535
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3536 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3537 pp->pb_id = PTR_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3538 pp->pb_count = 0;
2240
6b4879aea261 Add test for gettabvar() and settabvar().
Bram Moolenaar <bram@vim.org>
parents: 2221
diff changeset
3539 pp->pb_count_max = (short_u)((mfp->mf_page_size - sizeof(PTR_BL))
6b4879aea261 Add test for gettabvar() and settabvar().
Bram Moolenaar <bram@vim.org>
parents: 2221
diff changeset
3540 / sizeof(PTR_EN) + 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3541
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3542 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3544
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3545 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3546 * lookup line 'lnum' in a memline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3547 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3548 * action: if ML_DELETE or ML_INSERT the line count is updated while searching
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3549 * if ML_FLUSH only flush a locked block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3550 * if ML_FIND just find the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3551 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3552 * If the block was found it is locked and put in ml_locked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3553 * The stack is updated to lead to the locked block. The ip_high field in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3554 * the stack is updated to reflect the last line in the block AFTER the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3555 * insert or delete, also if the pointer block has not been updated yet. But
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3556 * if ml_locked != NULL ml_locked_lineadd must be added to ip_high.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3557 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3558 * return: NULL for failure, pointer to block header otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560 static bhdr_T *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3561 ml_find_line(buf_T *buf, linenr_T lnum, int action)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3562 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3563 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3564 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3565 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3566 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3567 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3568 linenr_T t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3569 blocknr_T bnum, bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3570 int dirty;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3571 linenr_T low, high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3572 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3573 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3574 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3575
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3576 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3577
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3578 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3579 * If there is a locked block check if the wanted line is in it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3580 * If not, flush and release the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3581 * Don't do this for ML_INSERT_SAME, because the stack need to be updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3582 * Don't do this for ML_FLUSH, because we want to flush the locked block.
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3583 * Don't do this when 'swapfile' is reset, we want to load all the blocks.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3584 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3585 if (buf->b_ml.ml_locked)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3586 {
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3587 if (ML_SIMPLE(action)
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3588 && buf->b_ml.ml_locked_low <= lnum
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3589 && buf->b_ml.ml_locked_high >= lnum
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3590 && !mf_dont_release)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3591 {
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3592 /* remember to update pointer blocks and stack later */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3593 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3594 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3595 ++(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3596 ++(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3597 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3598 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3599 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3600 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3601 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3602 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3603 return (buf->b_ml.ml_locked);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3604 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3605
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3606 mf_put(mfp, buf->b_ml.ml_locked, buf->b_ml.ml_flags & ML_LOCKED_DIRTY,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3607 buf->b_ml.ml_flags & ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3608 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3609
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3610 /*
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3611 * If lines have been added or deleted in the locked block, need to
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3612 * update the line count in pointer blocks.
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3613 */
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3614 if (buf->b_ml.ml_locked_lineadd != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3615 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3616 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3617
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3618 if (action == ML_FLUSH) /* nothing else to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3619 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3620
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3621 bnum = 1; /* start at the root of the tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3622 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3623 low = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3624 high = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3625
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3626 if (action == ML_FIND) /* first try stack entries */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3627 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3628 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3629 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3630 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3631 if (ip->ip_low <= lnum && ip->ip_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3632 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3633 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3634 low = ip->ip_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3635 high = ip->ip_high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3636 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3637 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3638 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3639 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3640 if (top < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3641 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3642 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3643 else /* ML_DELETE or ML_INSERT */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3644 buf->b_ml.ml_stack_top = 0; /* start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3645
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3646 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3647 * search downwards in the tree until a data block is found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3648 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3649 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3650 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3651 if ((hp = mf_get(mfp, bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3652 goto error_noblock;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3653
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3654 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3655 * update high for insert/delete
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3656 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3657 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3658 ++high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3659 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3660 --high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3661
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3662 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3663 if (dp->db_id == DATA_ID) /* data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3664 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3665 buf->b_ml.ml_locked = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3666 buf->b_ml.ml_locked_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3667 buf->b_ml.ml_locked_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3668 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3669 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3670 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3671 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3672
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3673 pp = (PTR_BL *)(dp); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3674 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3675 {
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3676 IEMSG(_("E317: pointer block id wrong"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3677 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3678 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3679
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3680 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3681 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3682 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3683 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3684 ip->ip_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3685 ip->ip_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3686 ip->ip_index = -1; /* index not known yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3687
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3688 dirty = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3689 for (idx = 0; idx < (int)pp->pb_count; ++idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3690 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3691 t = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3692 CHECK(t == 0, _("pe_line_count is zero"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3693 if ((low += t) > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3694 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3695 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3696 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3697 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3698 high = low - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3699 low -= t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3700
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3701 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3702 * a negative block number may have been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3703 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3704 if (bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3705 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3706 bnum2 = mf_trans_del(mfp, bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3707 if (bnum != bnum2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3708 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3709 bnum = bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3710 pp->pb_pointer[idx].pe_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3711 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3712 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3713 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3714
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3715 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3716 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3717 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3718 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3719 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3720 if (lnum > buf->b_ml.ml_line_count)
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3721 IEMSGN(_("E322: line number out of range: %ld past the end"),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3722 lnum - buf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3723
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3724 else
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3725 IEMSGN(_("E323: line count wrong in block %ld"), bnum);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3726 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3728 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3729 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3730 pp->pb_pointer[idx].pe_line_count--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3731 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3732 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3733 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3734 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3735 pp->pb_pointer[idx].pe_line_count++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3736 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3737 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3738 mf_put(mfp, hp, dirty, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3740
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3741 error_block:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3742 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3743 error_noblock:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3744 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3745 * If action is ML_DELETE or ML_INSERT we have to correct the tree for
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3746 * the incremented/decremented line counts, because there won't be a line
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3747 * inserted/deleted after all.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3748 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3749 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3750 ml_lineadd(buf, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3751 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3752 ml_lineadd(buf, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3753 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3754 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3755 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3756
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3757 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3758 * add an entry to the info pointer stack
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3759 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3760 * return -1 for failure, number of the new entry otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3761 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3762 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3763 ml_add_stack(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3764 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3765 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3766 infoptr_T *newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3767
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3768 top = buf->b_ml.ml_stack_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3769
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3770 /* may have to increase the stack size */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3771 if (top == buf->b_ml.ml_stack_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3772 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3773 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3774
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3775 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3776 (buf->b_ml.ml_stack_size + STACK_INCR));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3777 if (newstack == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3778 return -1;
6989
c0a23e04c929 patch 7.4.812
Bram Moolenaar <bram@vim.org>
parents: 6933
diff changeset
3779 if (top > 0)
c0a23e04c929 patch 7.4.812
Bram Moolenaar <bram@vim.org>
parents: 6933
diff changeset
3780 mch_memmove(newstack, buf->b_ml.ml_stack,
1624
18ee39301b82 updated for version 7.2a
vimboss
parents: 1228
diff changeset
3781 (size_t)top * sizeof(infoptr_T));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3782 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3783 buf->b_ml.ml_stack = newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3784 buf->b_ml.ml_stack_size += STACK_INCR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3785 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3786
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3787 buf->b_ml.ml_stack_top++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3788 return top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3789 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3790
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3791 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3792 * Update the pointer blocks on the stack for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3793 * The stack itself is also updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3794 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3795 * When a insert/delete line action fails, the line is not inserted/deleted,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3796 * but the pointer blocks have already been updated. That is fixed here by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3797 * walking through the stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3798 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3799 * Count is the number of lines added, negative if lines have been deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3800 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3801 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3802 ml_lineadd(buf_T *buf, int count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3803 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3804 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3805 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3806 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3807 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3808 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3809
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3810 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3811 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3812 ip = &(buf->b_ml.ml_stack[idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3813 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3814 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3815 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3816 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3817 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3818 mf_put(mfp, hp, FALSE, FALSE);
10359
66f1b5bf3fa6 commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents: 10042
diff changeset
3819 IEMSG(_("E317: pointer block id wrong 2"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3820 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3821 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3822 pp->pb_pointer[ip->ip_index].pe_line_count += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3823 ip->ip_high += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3824 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3825 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3826 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3827
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
3828 #if defined(HAVE_READLINK) || defined(PROTO)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3829 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3830 * Resolve a symlink in the last component of a file name.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3831 * Note that f_resolve() does it for every part of the path, we don't do that
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3832 * here.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3833 * If it worked returns OK and the resolved link in "buf[MAXPATHL]".
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3834 * Otherwise returns FAIL.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3835 */
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
3836 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3837 resolve_symlink(char_u *fname, char_u *buf)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3838 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3839 char_u tmp[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3840 int ret;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3841 int depth = 0;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3842
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3843 if (fname == NULL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3844 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3845
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3846 /* Put the result so far in tmp[], starting with the original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3847 vim_strncpy(tmp, fname, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3848
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3849 for (;;)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3850 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3851 /* Limit symlink depth to 100, catch recursive loops. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3852 if (++depth == 100)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3853 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3854 EMSG2(_("E773: Symlink loop for \"%s\""), fname);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3855 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3856 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3857
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3858 ret = readlink((char *)tmp, (char *)buf, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3859 if (ret <= 0)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3860 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3861 if (errno == EINVAL || errno == ENOENT)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3862 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3863 /* Found non-symlink or not existing file, stop here.
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
3864 * When at the first level use the unmodified name, skip the
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3865 * call to vim_FullName(). */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3866 if (depth == 1)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3867 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3868
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3869 /* Use the resolved name in tmp[]. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3870 break;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3871 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3872
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3873 /* There must be some error reading links, use original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3874 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3875 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3876 buf[ret] = NUL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3877
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3878 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3879 * Check whether the symlink is relative or absolute.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3880 * If it's relative, build a new path based on the directory
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3881 * portion of the filename (if any) and the path the symlink
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3882 * points to.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3883 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3884 if (mch_isFullName(buf))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3885 STRCPY(tmp, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3886 else
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3887 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3888 char_u *tail;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3889
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3890 tail = gettail(tmp);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3891 if (STRLEN(tail) + STRLEN(buf) >= MAXPATHL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3892 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3893 STRCPY(tail, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3894 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3895 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3896
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3897 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3898 * Try to resolve the full name of the file so that the swapfile name will
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3899 * be consistent even when opening a relative symlink from different
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3900 * working directories.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3901 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3902 return vim_FullName(tmp, buf, MAXPATHL, TRUE);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3903 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3904 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3905
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3906 /*
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3907 * Make swap file name out of the file name and a directory name.
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3908 * Returns pointer to allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3909 */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3910 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3911 makeswapname(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3912 char_u *fname,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3913 char_u *ffname UNUSED,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3914 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3915 char_u *dir_name)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3916 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3917 char_u *r, *s;
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
3918 char_u *fname_res = fname;
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3919 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3920 char_u fname_buf[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3921 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3922
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3923 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
10996
2f041b367cd9 patch 8.0.0387: compiler warnings
Christian Brabandt <cb@256bit.org>
parents: 10952
diff changeset
3924 int len = (int)STRLEN(dir_name);
10896
d513b653f5d0 patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents: 10889
diff changeset
3925
d513b653f5d0 patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents: 10889
diff changeset
3926 s = dir_name + len;
d513b653f5d0 patch 8.0.0337: invalid memory access in :recover command
Christian Brabandt <cb@256bit.org>
parents: 10889
diff changeset
3927 if (after_pathsep(dir_name, s) && len > 1 && s[-1] == s[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3928 { /* Ends with '//', Use Full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3929 r = NULL;
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3930 if ((s = make_percent_swname(dir_name, fname)) != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3931 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3932 r = modname(s, (char_u *)".swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3933 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3934 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3935 return r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3936 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3937 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3938
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3939 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3940 /* Expand symlink in the file name, so that we put the swap file with the
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3941 * actual file instead of with the symlink. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3942 if (resolve_symlink(fname, fname_buf) == OK)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3943 fname_res = fname_buf;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3944 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3945
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3946 r = buf_modname(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3947 (buf->b_p_sn || buf->b_shortname),
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3948 fname_res,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3949 (char_u *)
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
3950 #if defined(VMS)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3951 "_swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3952 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3953 ".swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3954 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3955 /* Prepend a '.' to the swap file name for the current directory. */
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
3956 dir_name[0] == '.' && dir_name[1] == NUL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3957 if (r == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3958 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3959
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3960 s = get_file_in_dir(r, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3961 vim_free(r);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3962 return s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3963 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3964
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3965 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3966 * Get file name to use for swap file or backup file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3967 * Use the name of the edited file "fname" and an entry in the 'dir' or 'bdir'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3968 * option "dname".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3969 * - If "dname" is ".", return "fname" (swap file in dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3970 * - If "dname" starts with "./", insert "dname" in "fname" (swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3971 * relative to dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3972 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3973 * dir).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3974 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3975 * The return value is an allocated string and can be NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3976 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3977 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3978 get_file_in_dir(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3979 char_u *fname,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3980 char_u *dname) /* don't use "dirname", it is a global for Alpha */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3981 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3982 char_u *t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3983 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3984 char_u *retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3985 int save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3986
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3987 tail = gettail(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3988
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3989 if (dname[0] == '.' && dname[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3990 retval = vim_strsave(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3991 else if (dname[0] == '.' && vim_ispathsep(dname[1]))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3992 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3993 if (tail == fname) /* no path before file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3994 retval = concat_fnames(dname + 2, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3995 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3996 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3997 save_char = *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3998 *tail = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3999 t = concat_fnames(fname, dname + 2, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4000 *tail = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4001 if (t == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4002 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4003 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4004 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4005 retval = concat_fnames(t, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4006 vim_free(t);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4007 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4008 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4009 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4010 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4011 retval = concat_fnames(dname, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4012
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4013 #ifdef WIN3264
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4014 if (retval != NULL)
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10996
diff changeset
4015 for (t = gettail(retval); *t != NUL; MB_PTR_ADV(t))
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4016 if (*t == ':')
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4017 *t = '%';
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4018 #endif
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4019
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4020 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4021 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4022
7803
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents: 7410
diff changeset
4023 static void attention_message(buf_T *buf, char_u *fname);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4024
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4025 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4026 * Print the ATTENTION message: info about an existing swap file.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4027 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4028 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4029 attention_message(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4030 buf_T *buf, /* buffer being edited */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4031 char_u *fname) /* swap file name */
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4032 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4033 stat_T st;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4034 time_t x, sx;
1001
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4035 char *p;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4036
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4037 ++no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4038 (void)EMSG(_("E325: ATTENTION"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4039 MSG_PUTS(_("\nFound a swap file by the name \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4040 msg_home_replace(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4041 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4042 sx = swapfile_info(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4043 MSG_PUTS(_("While opening file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4044 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4045 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4046 if (mch_stat((char *)buf->b_fname, &st) != -1)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4047 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4048 MSG_PUTS(_(" dated: "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4049 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
1001
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4050 p = ctime(&x); /* includes '\n' */
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4051 if (p == NULL)
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4052 MSG_PUTS("(invalid)\n");
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4053 else
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4054 MSG_PUTS(p);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4055 if (sx != 0 && x > sx)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4056 MSG_PUTS(_(" NEWER than swap file!\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4057 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4058 /* Some of these messages are long to allow translation to
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4059 * other languages. */
7881
e7afe45a202a commit https://github.com/vim/vim/commit/d9ea9069f5ef5b8b9f9e0d0daecdd124e2dcd818
Christian Brabandt <cb@256bit.org>
parents: 7827
diff changeset
4060 MSG_PUTS(_("\n(1) Another program may be editing the same file. If this is the case,\n be careful not to end up with two different instances of the same\n file when making changes. Quit, or continue with caution.\n"));
2703
47a0dcad7216 updated for version 7.3.120
Bram Moolenaar <bram@vim.org>
parents: 2684
diff changeset
4061 MSG_PUTS(_("(2) An edit session for this file crashed.\n"));
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4062 MSG_PUTS(_(" If this is the case, use \":recover\" or \"vim -r "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4063 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4064 MSG_PUTS(_("\"\n to recover the changes (see \":help recovery\").\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4065 MSG_PUTS(_(" If you did this already, delete the swap file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4066 msg_outtrans(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4067 MSG_PUTS(_("\"\n to avoid this message.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4068 cmdline_row = msg_row;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4069 --no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4070 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4071
13380
69517d67421f patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 13244
diff changeset
4072 #if defined(FEAT_EVAL)
7803
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents: 7410
diff changeset
4073 static int do_swapexists(buf_T *buf, char_u *fname);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4074
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4075 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4076 * Trigger the SwapExists autocommands.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4077 * Returns a value for equivalent to do_dialog() (see below):
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4078 * 0: still need to ask for a choice
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4079 * 1: open read-only
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4080 * 2: edit anyway
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4081 * 3: recover
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4082 * 4: delete it
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4083 * 5: quit
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4084 * 6: abort
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4085 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4086 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4087 do_swapexists(buf_T *buf, char_u *fname)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4088 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4089 set_vim_var_string(VV_SWAPNAME, fname, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4090 set_vim_var_string(VV_SWAPCHOICE, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4091
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4092 /* Trigger SwapExists autocommands with <afile> set to the file being
1856
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4093 * edited. Disallow changing directory here. */
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4094 ++allbuf_lock;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4095 apply_autocmds(EVENT_SWAPEXISTS, buf->b_fname, NULL, FALSE, NULL);
1856
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4096 --allbuf_lock;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4097
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4098 set_vim_var_string(VV_SWAPNAME, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4099
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4100 switch (*get_vim_var_str(VV_SWAPCHOICE))
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4101 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4102 case 'o': return 1;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4103 case 'e': return 2;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4104 case 'r': return 3;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4105 case 'd': return 4;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4106 case 'q': return 5;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4107 case 'a': return 6;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4108 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4109
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4110 return 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4111 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4112 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4113
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4114 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4115 * Find out what name to use for the swap file for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4116 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4117 * Several names are tried to find one that does not exist
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
4118 * Returns the name in allocated memory or NULL.
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4119 * When out of memory "dirp" is set to NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4120 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4121 * Note: If BASENAMELEN is not correct, you will get error messages for
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4122 * not being able to open the swap or undo file
1856
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4123 * Note: May trigger SwapExists autocmd, pointers may change!
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4124 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4125 static char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4126 findswapname(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4127 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4128 char_u **dirp, /* pointer to list of directories */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4129 char_u *old_fname) /* don't give warning for this file name */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4130 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4131 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4132 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4133 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4134 #ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4135 BPTR fh;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4136 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4137 int r;
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4138 char_u *buf_fname = buf->b_fname;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4139
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
4140 #if !defined(UNIX)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4141 # define CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4142 FILE *dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4143
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4144 # ifdef WIN3264
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4145 if (buf_fname != NULL && !mch_isFullName(buf_fname)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4146 && vim_strchr(gettail(buf_fname), ':'))
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4147 {
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4148 char_u *t;
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4149
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4150 buf_fname = vim_strsave(buf_fname);
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4151 if (buf_fname == NULL)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4152 buf_fname = buf->b_fname;
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4153 else
11127
506f5d8b7d8b patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents: 10996
diff changeset
4154 for (t = gettail(buf_fname); *t != NUL; MB_PTR_ADV(t))
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4155 if (*t == ':')
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4156 *t = '%';
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4157 }
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4158 # endif
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4159
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4160 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4161 * If we start editing a new file, e.g. "test.doc", which resides on an
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4162 * MSDOS compatible filesystem, it is possible that the file
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4163 * "test.doc.swp" which we create will be exactly the same file. To avoid
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4164 * this problem we temporarily create "test.doc". Don't do this when the
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4165 * check below for a 8.3 file name is used.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4166 */
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4167 if (!(buf->b_p_sn || buf->b_shortname) && buf_fname != NULL
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4168 && mch_getperm(buf_fname) < 0)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4169 dummyfd = mch_fopen((char *)buf_fname, "w");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4170 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4171
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4172 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4173 * Isolate a directory name from *dirp and put it in dir_name.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4174 * First allocate some memory to put the directory name in.
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4175 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4176 dir_name = alloc((unsigned)STRLEN(*dirp) + 1);
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4177 if (dir_name == NULL)
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4178 *dirp = NULL;
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4179 else
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4180 (void)copy_option_part(dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4181
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4182 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4183 * we try different names until we find one that does not exist yet
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4184 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4185 if (dir_name == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4186 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4187 else
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4188 fname = makeswapname(buf_fname, buf->b_ffname, buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4189
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4190 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4191 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4192 if (fname == NULL) /* must be out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4193 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4194 if ((n = (int)STRLEN(fname)) == 0) /* safety check */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4195 {
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12975
diff changeset
4196 VIM_CLEAR(fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4197 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4198 }
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
4199 #if defined(UNIX)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4200 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4201 * Some systems have a MS-DOS compatible filesystem that use 8.3 character
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4202 * file names. If this is the first try and the swap file name does not fit in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4203 * 8.3, detect if this is the case, set shortname and try again.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4204 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4205 if (fname[n - 2] == 'w' && fname[n - 1] == 'p'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4206 && !(buf->b_p_sn || buf->b_shortname))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4207 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4208 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4209 char_u *fname2;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4210 stat_T s1, s2;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4211 int f1, f2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4212 int created1 = FALSE, created2 = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4213 int same = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4214
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4215 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4216 * Check if swapfile name does not fit in 8.3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4217 * It either contains two dots, is longer than 8 chars, or starts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4218 * with a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4219 */
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4220 tail = gettail(buf_fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4221 if ( vim_strchr(tail, '.') != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4222 || STRLEN(tail) > (size_t)8
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4223 || *gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4224 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4225 fname2 = alloc(n + 2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4226 if (fname2 != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4227 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4228 STRCPY(fname2, fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4229 /* if fname == "xx.xx.swp", fname2 = "xx.xx.swx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4230 * if fname == ".xx.swp", fname2 = ".xx.swpx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4231 * if fname == "123456789.swp", fname2 = "12345678x.swp"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4232 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4233 if (vim_strchr(tail, '.') != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4234 fname2[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4235 else if (*gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4236 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4237 fname2[n] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4238 fname2[n + 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4239 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4240 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4241 fname2[n - 5] += 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4242 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4243 * may need to create the files to be able to use mch_stat()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4244 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4245 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4246 if (f1 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4247 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4248 f1 = mch_open_rw((char *)fname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4249 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4250 created1 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4252 if (f1 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4254 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4255 if (f2 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4256 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4257 f2 = mch_open_rw((char *)fname2,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4258 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4259 created2 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4260 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4261 if (f2 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4262 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4263 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4264 * Both files exist now. If mch_stat() returns the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4265 * same device and inode they are the same file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4266 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4267 if (mch_fstat(f1, &s1) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4268 && mch_fstat(f2, &s2) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4269 && s1.st_dev == s2.st_dev
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4270 && s1.st_ino == s2.st_ino)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4271 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4272 close(f2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4273 if (created2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4274 mch_remove(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4276 close(f1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4277 if (created1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4278 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4279 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4280 vim_free(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4281 if (same)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4282 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4283 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4284 vim_free(fname);
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4285 fname = makeswapname(buf_fname, buf->b_ffname,
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
4286 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4287 continue; /* try again with b_shortname set */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4288 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4289 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4290 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4291 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4292 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4293 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4294 * check if the swapfile already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4295 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4296 if (mch_getperm(fname) < 0) /* it does not exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4297 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4298 #ifdef HAVE_LSTAT
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4299 stat_T sb;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4300
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4301 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4302 * Extra security check: When a swap file is a symbolic link, this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4303 * is most likely a symlink attack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4304 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4305 if (mch_lstat((char *)fname, &sb) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4306 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4307 # ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4308 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4309 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4310 * on the Amiga mch_getperm() will return -1 when the file exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4311 * but is being used by another program. This happens if you edit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4312 * a file twice.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4313 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4314 if (fh != (BPTR)NULL) /* can open file, OK */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4315 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4316 Close(fh);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4317 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4318 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4319 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4320 if (IoErr() != ERROR_OBJECT_IN_USE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4321 && IoErr() != ERROR_OBJECT_EXISTS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4322 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4323 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4324 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4325 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4326
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4327 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4328 * A file name equal to old_fname is OK to use.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4329 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4330 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4331 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4332
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4333 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4334 * get here when file already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4335 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4336 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') /* first try */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4337 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4338 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4339 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4340 * and file.doc are the same file. To guess if this problem is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4341 * present try if file.doc.swx exists. If it does, we set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4342 * buf->b_shortname and try file_doc.swp (dots replaced by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4343 * underscores for this file), and try again. If it doesn't we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4344 * assume that "file.doc.swp" already exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4345 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4346 if (!(buf->b_p_sn || buf->b_shortname)) /* not tried yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4347 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4348 fname[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4349 r = mch_getperm(fname); /* try "file.swx" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4350 fname[n - 1] = 'p';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4351 if (r >= 0) /* "file.swx" seems to exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4352 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4353 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4354 vim_free(fname);
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4355 fname = makeswapname(buf_fname, buf->b_ffname,
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
4356 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4357 continue; /* try again with '.' replaced with '_' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4358 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4359 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4360 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4361 * If we get here the ".swp" file really exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4362 * Give an error message, unless recovering, no file name, we are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4363 * viewing a help file or when the path of the file is different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4364 * (happens when all .swp files are in one directory).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4365 */
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4366 if (!recoverymode && buf_fname != NULL
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
4367 && !buf->b_help && !(buf->b_flags & BF_DUMMY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4368 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4369 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4370 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4371 int differ = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4372
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4373 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4374 * Try to read block 0 from the swap file to get the original
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4375 * file name (and inode number).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4376 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4377 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4378 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4379 {
2664
033e7b49356c updated for version 7.3.083
Bram Moolenaar <bram@vim.org>
parents: 2657
diff changeset
4380 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4381 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4382 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4383 * If the swapfile has the same directory as the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4384 * buffer don't compare the directory names, they can
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4385 * have a different mountpoint.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4386 */
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4387 if (b0.b0_flags & B0_SAME_DIR)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4388 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4389 if (fnamecmp(gettail(buf->b_ffname),
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4390 gettail(b0.b0_fname)) != 0
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4391 || !same_directory(fname, buf->b_ffname))
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4392 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4393 #ifdef CHECK_INODE
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4394 /* Symlinks may point to the same file even
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4395 * when the name differs, need to check the
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4396 * inode too. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4397 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4398 if (fnamecmp_ino(buf->b_ffname, NameBuff,
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4399 char_to_long(b0.b0_ino)))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4400 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4401 differ = TRUE;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4402 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4403 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4404 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4405 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4406 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4407 * The name in the swap file may be
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4408 * "~user/path/file". Expand it first.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4409 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4410 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4411 #ifdef CHECK_INODE
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4412 if (fnamecmp_ino(buf->b_ffname, NameBuff,
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4413 char_to_long(b0.b0_ino)))
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4414 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4415 #else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4416 if (fnamecmp(NameBuff, buf->b_ffname) != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4417 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4418 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4419 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4420 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4421 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4422 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4423
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4424 /* give the ATTENTION message when there is an old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4425 * for the current file, and the buffer was not recovered. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4426 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4427 && vim_strchr(p_shm, SHM_ATTENTION) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4428 {
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4429 #if defined(HAS_SWAP_EXISTS_ACTION)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4430 int choice = 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4431 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4432 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4433 int did_use_dummy = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4434
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4435 /* Avoid getting a warning for the file being created
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4436 * outside of Vim, it was created at the start of this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4437 * function. Delete the file now, because Vim might exit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4438 * here if the window is closed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4439 if (dummyfd != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4440 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4441 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4442 dummyfd = NULL;
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4443 mch_remove(buf_fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4444 did_use_dummy = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4445 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4446 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4447
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
4448 #if (defined(UNIX) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4449 process_still_running = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4450 #endif
13380
69517d67421f patch 8.0.1564: too many #ifdefs
Christian Brabandt <cb@256bit.org>
parents: 13244
diff changeset
4451 #if defined(FEAT_EVAL)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4452 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4453 * If there is an SwapExists autocommand and we can handle
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4454 * the response, trigger it. It may return 0 to ask the
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4455 * user anyway.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4456 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4457 if (swap_exists_action != SEA_NONE
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4458 && has_autocmd(EVENT_SWAPEXISTS, buf_fname, buf))
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4459 choice = do_swapexists(buf, fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4460
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4461 if (choice == 0)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4462 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4463 {
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4464 #ifdef FEAT_GUI
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4465 /* If we are supposed to start the GUI but it wasn't
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4466 * completely started yet, start it now. This makes
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4467 * the messages displayed in the Vim window when
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4468 * loading a session from the .gvimrc file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4469 if (gui.starting && !gui.in_use)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4470 gui_start();
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4471 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4472 /* Show info about the existing swap file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4473 attention_message(buf, fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4474
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4475 /* We don't want a 'q' typed at the more-prompt
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4476 * interrupt loading a file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4477 got_int = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4478 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4479
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4480 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4481 if (swap_exists_action != SEA_NONE && choice == 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4482 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4483 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4484
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4485 name = alloc((unsigned)(STRLEN(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4486 + STRLEN(_("Swap file \""))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4487 + STRLEN(_("\" already exists!")) + 5));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4488 if (name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4489 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4490 STRCPY(name, _("Swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4491 home_replace(NULL, fname, name + STRLEN(name),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4492 1000, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4493 STRCAT(name, _("\" already exists!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4494 }
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4495 choice = do_dialog(VIM_WARNING,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4496 (char_u *)_("VIM - ATTENTION"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4497 name == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4498 ? (char_u *)_("Swap file already exists!")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4499 : name,
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
4500 # if defined(UNIX) || defined(VMS)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4501 process_still_running
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4502 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4503 # endif
2684
951641b8784d updated for version 7.3.102
Bram Moolenaar <bram@vim.org>
parents: 2668
diff changeset
4504 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL, FALSE);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4505
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
4506 # if defined(UNIX) || defined(VMS)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4507 if (process_still_running && choice >= 4)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4508 choice++; /* Skip missing "Delete it" button */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4509 # endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4510 vim_free(name);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4511
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4512 /* pretend screen didn't scroll, need redraw anyway */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4513 msg_scrolled = 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4514 redraw_all_later(NOT_VALID);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4515 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4516 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4517
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4518 #if defined(HAS_SWAP_EXISTS_ACTION)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4519 if (choice > 0)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4520 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4521 switch (choice)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4522 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4523 case 1:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4524 buf->b_p_ro = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4525 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4526 case 2:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4527 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4528 case 3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4529 swap_exists_action = SEA_RECOVER;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4530 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4531 case 4:
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4532 mch_remove(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4533 break;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4534 case 5:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4535 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4536 break;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4537 case 6:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4538 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4539 got_int = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4540 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4541 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4542
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4543 /* If the file was deleted this fname can be used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4544 if (mch_getperm(fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4545 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4546 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4547 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4548 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4549 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4550 MSG_PUTS("\n");
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4551 if (msg_silent == 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4552 /* call wait_return() later */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4553 need_wait_return = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4554 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4555
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4556 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4557 /* Going to try another name, need the dummy file again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4558 if (did_use_dummy)
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4559 dummyfd = mch_fopen((char *)buf_fname, "w");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4560 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4561 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4562 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4563 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4564
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4565 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4566 * Change the ".swp" extension to find another file that can be used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4567 * First decrement the last char: ".swo", ".swn", etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4568 * If that still isn't enough decrement the last but one char: ".svz"
9
4102fb4ea781 updated for version 7.0002
vimboss
parents: 7
diff changeset
4569 * Can happen when editing many "No Name" buffers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4570 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4571 if (fname[n - 1] == 'a') /* ".s?a" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4572 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4573 if (fname[n - 2] == 'a') /* ".saa": tried enough, give up */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4574 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4575 EMSG(_("E326: Too many swap files found"));
13244
ac42c4b11dbc patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents: 12975
diff changeset
4576 VIM_CLEAR(fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4577 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4578 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4579 --fname[n - 2]; /* ".svz", ".suz", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4580 fname[n - 1] = 'z' + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4581 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4582 --fname[n - 1]; /* ".swo", ".swn", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4583 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4584
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4585 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4586 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4587 if (dummyfd != NULL) /* file has been created temporarily */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4588 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4589 fclose(dummyfd);
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4590 mch_remove(buf_fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4591 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4592 #endif
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4593 #ifdef WIN3264
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4594 if (buf_fname != buf->b_fname)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4595 vim_free(buf_fname);
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4596 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4597 return fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4598 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4599
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4600 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4601 b0_magic_wrong(ZERO_BL *b0p)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4603 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4604 || b0p->b0_magic_int != (int)B0_MAGIC_INT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4605 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4606 || b0p->b0_magic_char != B0_MAGIC_CHAR);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4607 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4608
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4609 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4610 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4611 * Compare current file name with file name from swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4612 * Try to use inode numbers when possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4613 * Return non-zero when files are different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4614 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4615 * When comparing file names a few things have to be taken into consideration:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4616 * - When working over a network the full path of a file depends on the host.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4617 * We check the inode number if possible. It is not 100% reliable though,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4618 * because the device number cannot be used over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4619 * - When a file does not exist yet (editing a new file) there is no inode
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4620 * number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4621 * - The file name in a swap file may not be valid on the current host. The
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4622 * "~user" form is used whenever possible to avoid this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4623 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4624 * This is getting complicated, let's make a table:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4625 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4626 * ino_c ino_s fname_c fname_s differ =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4627 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4628 * both files exist -> compare inode numbers:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4629 * != 0 != 0 X X ino_c != ino_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4630 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4631 * inode number(s) unknown, file names available -> compare file names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4632 * == 0 X OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4633 * X == 0 OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4634 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4635 * current file doesn't exist, file for swap file exist, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4636 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4637 * == 0 != 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4638 * == 0 != 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4639 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4640 * current file exists, inode for swap unknown, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4641 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4642 * != 0 == 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4643 * != 0 == 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4644 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4645 * current file doesn't exist, inode for swap unknown, one file name not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4646 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4647 * == 0 == 0 FAIL OK TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4648 * == 0 == 0 OK FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4649 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4650 * current file doesn't exist, inode for swap unknown, both file names not
13896
4d5a1ada407e patch 8.0.1819: swap file warning for file with non-existing directory
Christian Brabandt <cb@256bit.org>
parents: 13632
diff changeset
4651 * available -> compare file names
4d5a1ada407e patch 8.0.1819: swap file warning for file with non-existing directory
Christian Brabandt <cb@256bit.org>
parents: 13632
diff changeset
4652 * == 0 == 0 FAIL FAIL fname_c != fname_s
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4653 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4654 * Note that when the ino_t is 64 bits, only the last 32 will be used. This
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4655 * can't be changed without making the block 0 incompatible with 32 bit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4656 * versions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4657 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4658
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4659 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4660 fnamecmp_ino(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4661 char_u *fname_c, /* current file name */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4662 char_u *fname_s, /* file name from swap file */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4663 long ino_block0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4664 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4665 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4666 ino_t ino_c = 0; /* ino of current file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4667 ino_t ino_s; /* ino of file from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4668 char_u buf_c[MAXPATHL]; /* full path of fname_c */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4669 char_u buf_s[MAXPATHL]; /* full path of fname_s */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4670 int retval_c; /* flag: buf_c valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4671 int retval_s; /* flag: buf_s valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4672
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4673 if (mch_stat((char *)fname_c, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4674 ino_c = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4675
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4676 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4677 * First we try to get the inode from the file name, because the inode in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4678 * the swap file may be outdated. If that fails (e.g. this path is not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4679 * valid on this machine), use the inode from block 0.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4680 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4681 if (mch_stat((char *)fname_s, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4682 ino_s = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4683 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4684 ino_s = (ino_t)ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4685
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4686 if (ino_c && ino_s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4687 return (ino_c != ino_s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4688
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4689 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4690 * One of the inode numbers is unknown, try a forced vim_FullName() and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4691 * compare the file names.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4692 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4693 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4694 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4695 if (retval_c == OK && retval_s == OK)
13896
4d5a1ada407e patch 8.0.1819: swap file warning for file with non-existing directory
Christian Brabandt <cb@256bit.org>
parents: 13632
diff changeset
4696 return STRCMP(buf_c, buf_s) != 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4697
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4698 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4699 * Can't compare inodes or file names, guess that the files are different,
13896
4d5a1ada407e patch 8.0.1819: swap file warning for file with non-existing directory
Christian Brabandt <cb@256bit.org>
parents: 13632
diff changeset
4700 * unless both appear not to exist at all, then compare with the file name
4d5a1ada407e patch 8.0.1819: swap file warning for file with non-existing directory
Christian Brabandt <cb@256bit.org>
parents: 13632
diff changeset
4701 * in the swap file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4702 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4703 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL)
13896
4d5a1ada407e patch 8.0.1819: swap file warning for file with non-existing directory
Christian Brabandt <cb@256bit.org>
parents: 13632
diff changeset
4704 return STRCMP(fname_c, fname_s) != 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4705 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4706 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4707 #endif /* CHECK_INODE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4708
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4709 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4710 * Move a long integer into a four byte character array.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4711 * Used for machine independency in block zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4712 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4713 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4714 long_to_char(long n, char_u *s)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4715 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4716 s[0] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4717 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4718 s[1] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4719 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4720 s[2] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4721 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4722 s[3] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4723 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4724
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4725 static long
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4726 char_to_long(char_u *s)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4727 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4728 long retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4729
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4730 retval = s[3];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4731 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4732 retval |= s[2];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4733 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4734 retval |= s[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4735 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4736 retval |= s[0];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4737
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4738 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4739 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4740
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4741 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4742 * Set the flags in the first block of the swap file:
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4743 * - file is modified or not: buf->b_changed
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4744 * - 'fileformat'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4745 * - 'fileencoding'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4746 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4747 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4748 ml_setflags(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4749 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4750 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4751 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4752
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4753 if (!buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4754 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4755 for (hp = buf->b_ml.ml_mfp->mf_used_last; hp != NULL; hp = hp->bh_prev)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4756 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4757 if (hp->bh_bnum == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4758 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4759 b0p = (ZERO_BL *)(hp->bh_data);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4760 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4761 b0p->b0_flags = (b0p->b0_flags & ~B0_FF_MASK)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4762 | (get_fileformat(buf) + 1);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4763 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4764 add_b0_fenc(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4765 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4766 hp->bh_flags |= BH_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4767 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4768 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4769 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4770 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4771 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4772
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4773 #if defined(FEAT_CRYPT) || defined(PROTO)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4774 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4775 * If "data" points to a data block encrypt the text in it and return a copy
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4776 * in allocated memory. Return NULL when out of memory.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4777 * Otherwise return "data".
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4778 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4779 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4780 ml_encrypt_data(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4781 memfile_T *mfp,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4782 char_u *data,
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4783 off_T offset,
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4784 unsigned size)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4785 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4786 DATA_BL *dp = (DATA_BL *)data;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4787 char_u *head_end;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4788 char_u *text_start;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4789 char_u *new_data;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4790 int text_len;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4791 cryptstate_T *state;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4792
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4793 if (dp->db_id != DATA_ID)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4794 return data;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4795
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4796 state = ml_crypt_prepare(mfp, offset, FALSE);
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4797 if (state == NULL)
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4798 return data;
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4799
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4800 new_data = (char_u *)alloc(size);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4801 if (new_data == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4802 return NULL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4803 head_end = (char_u *)(&dp->db_index[dp->db_line_count]);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4804 text_start = (char_u *)dp + dp->db_txt_start;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4805 text_len = size - dp->db_txt_start;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4806
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4807 /* Copy the header and the text. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4808 mch_memmove(new_data, dp, head_end - (char_u *)dp);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4809
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4810 /* Encrypt the text. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4811 crypt_encode(state, text_start, text_len, new_data + dp->db_txt_start);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4812 crypt_free_state(state);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4813
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4814 /* Clear the gap. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4815 if (head_end < text_start)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4816 vim_memset(new_data + (head_end - data), 0, text_start - head_end);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4817
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4818 return new_data;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4819 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4820
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4821 /*
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4822 * Decrypt the text in "data" if it points to an encrypted data block.
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4823 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4824 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4825 ml_decrypt_data(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4826 memfile_T *mfp,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4827 char_u *data,
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4828 off_T offset,
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4829 unsigned size)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4830 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4831 DATA_BL *dp = (DATA_BL *)data;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4832 char_u *head_end;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4833 char_u *text_start;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4834 int text_len;
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4835 cryptstate_T *state;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4836
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4837 if (dp->db_id == DATA_ID)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4838 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4839 head_end = (char_u *)(&dp->db_index[dp->db_line_count]);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4840 text_start = (char_u *)dp + dp->db_txt_start;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4841 text_len = dp->db_txt_end - dp->db_txt_start;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4842
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4843 if (head_end > text_start || dp->db_txt_start > size
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4844 || dp->db_txt_end > size)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4845 return; /* data was messed up */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4846
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4847 state = ml_crypt_prepare(mfp, offset, TRUE);
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4848 if (state != NULL)
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4849 {
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4850 /* Decrypt the text in place. */
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4851 crypt_decode_inplace(state, text_start, text_len);
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4852 crypt_free_state(state);
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4853 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4854 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4855 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4856
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4857 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4858 * Prepare for encryption/decryption, using the key, seed and offset.
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4859 * Return an allocated cryptstate_T *.
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4860 */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4861 static cryptstate_T *
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4862 ml_crypt_prepare(memfile_T *mfp, off_T offset, int reading)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4863 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4864 buf_T *buf = mfp->mf_buffer;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4865 char_u salt[50];
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4866 int method_nr;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4867 char_u *key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4868 char_u *seed;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4869
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4870 if (reading && mfp->mf_old_key != NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4871 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4872 /* Reading back blocks with the previous key/method/seed. */
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4873 method_nr = mfp->mf_old_cm;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4874 key = mfp->mf_old_key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4875 seed = mfp->mf_old_seed;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4876 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4877 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4878 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4879 method_nr = crypt_get_method_nr(buf);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4880 key = buf->b_p_key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4881 seed = mfp->mf_seed;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4882 }
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4883 if (*key == NUL)
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
4884 return NULL;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4885
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4886 if (method_nr == CRYPT_M_ZIP)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4887 {
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4888 /* For PKzip: Append the offset to the key, so that we use a different
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4889 * key for every block. */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4890 vim_snprintf((char *)salt, sizeof(salt), "%s%ld", key, (long)offset);
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4891 return crypt_create(method_nr, salt, NULL, 0, NULL, 0);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4892 }
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4893
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4894 /* Using blowfish or better: add salt and seed. We use the byte offset
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4895 * of the block for the salt. */
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4896 vim_snprintf((char *)salt, sizeof(salt), "%ld", (long)offset);
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4897 return crypt_create(method_nr, key, salt, (int)STRLEN(salt),
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
4898 seed, MF_SEED_LEN);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4899 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4900
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4901 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4902
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
4903
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4904 #if defined(FEAT_BYTEOFF) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4905
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4906 #define MLCS_MAXL 800 /* max no of lines in chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4907 #define MLCS_MINL 400 /* should be half of MLCS_MAXL */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4908
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4909 /*
2407
6bc102a4bff8 Fix memory access to 'cryptmethod' during recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2394
diff changeset
4910 * Keep information for finding byte offset of a line, updtype may be one of:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4911 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4912 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4913 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4914 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4915 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4916 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4917 ml_updatechunk(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4918 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4919 linenr_T line,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4920 long len,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4921 int updtype)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4922 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4923 static buf_T *ml_upd_lastbuf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4924 static linenr_T ml_upd_lastline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4925 static linenr_T ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4926 static int ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4927
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4928 linenr_T curline = ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4929 int curix = ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4930 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4931 chunksize_T *curchnk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4932 int rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4933 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4934 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4935
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4936 if (buf->b_ml.ml_usedchunks == -1 || len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4937 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4938 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4939 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4940 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4941 alloc((unsigned)sizeof(chunksize_T) * 100);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4942 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4943 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4944 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4945 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4946 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4947 buf->b_ml.ml_numchunks = 100;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4948 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4949 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4950 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4951 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4952
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4953 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4954 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4955 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4956 * First line in empty buffer from ml_flush_line() -- reset
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4957 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4958 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4959 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4960 buf->b_ml.ml_chunksize[0].mlcs_totalsize =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4961 (long)STRLEN(buf->b_ml.ml_line_ptr) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4962 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4963 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4964
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4965 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4966 * Find chunk that our line belongs to, curline will be at start of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4967 * chunk.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4968 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4969 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4970 || updtype != ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4971 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4972 for (curline = 1, curix = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4973 curix < buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4974 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4975 curix++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4976 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4977 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4978 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4979 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4980 else if (line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4981 && curix < buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4982 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4983 /* Adjust cached curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4984 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4985 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4986 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4987 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4988
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4989 if (updtype == ML_CHNK_DELLINE)
1030
d4bc24e6a281 updated for version 7.0-156
vimboss
parents: 1005
diff changeset
4990 len = -len;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4991 curchnk->mlcs_totalsize += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4992 if (updtype == ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4993 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4994 curchnk->mlcs_numlines++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4995
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4996 /* May resize here so we don't have to do it in both cases below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4997 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4998 {
6596
f8f2a61e538d updated for version 7.4.624
Bram Moolenaar <bram@vim.org>
parents: 6130
diff changeset
4999 chunksize_T *t_chunksize = buf->b_ml.ml_chunksize;
f8f2a61e538d updated for version 7.4.624
Bram Moolenaar <bram@vim.org>
parents: 6130
diff changeset
5000
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5001 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5002 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5003 vim_realloc(buf->b_ml.ml_chunksize,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5004 sizeof(chunksize_T) * buf->b_ml.ml_numchunks);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5005 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5006 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5007 /* Hmmmm, Give up on offset for this buffer */
6596
f8f2a61e538d updated for version 7.4.624
Bram Moolenaar <bram@vim.org>
parents: 6130
diff changeset
5008 vim_free(t_chunksize);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5009 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5010 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5011 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5012 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5013
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5014 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5015 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5016 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5017 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5018 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5019 int linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5020
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5021 mch_memmove(buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5022 buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5023 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5024 sizeof(chunksize_T));
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
5025 /* Compute length of first half of lines in the split chunk */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5026 size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5027 linecnt = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5028 while (curline < buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5029 && linecnt < MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5030 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5031 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5032 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5033 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5034 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5035 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5036 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5037 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5038 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5039 idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5040 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5041 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5042 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5043 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5044 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5045 /* Compute index of last line to use in this MEMLINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5046 rest = count - idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5047 if (linecnt + rest > MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5048 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5049 idx += MLCS_MINL - linecnt - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5050 linecnt = MLCS_MINL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5051 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5052 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5053 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5054 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5055 linecnt += rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5056 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5057 size += text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5058 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5059 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5060 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5061 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5062 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5063 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5064 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5065 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5066 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5067 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5068 && curix == buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5069 && buf->b_ml.ml_line_count - line <= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5070 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5071 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5072 * We are in the last chunk and it is cheap to crate a new one
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5073 * after this. Do it now to avoid the loop above later on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5074 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5075 curchnk = buf->b_ml.ml_chunksize + curix + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5076 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5077 if (line == buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5078 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5079 curchnk->mlcs_numlines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5080 curchnk->mlcs_totalsize = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5081 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5082 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5083 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5084 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5085 * Line is just prior to last, move count for last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5086 * This is the common case when loading a new file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5087 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5088 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5089 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5090 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5091 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5092 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5093 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5094 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5095 if (dp->db_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5096 rest = dp->db_txt_end - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5097 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5098 rest =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5099 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5100 - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5101 curchnk->mlcs_totalsize = rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5102 curchnk->mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5103 curchnk[-1].mlcs_totalsize -= rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5104 curchnk[-1].mlcs_numlines -= 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5105 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5106 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5107 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5108 else if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5109 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5110 curchnk->mlcs_numlines--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5111 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5112 if (curix < (buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5113 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5114 <= MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5115 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5116 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5117 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5118 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5119 else if (curix == 0 && curchnk->mlcs_numlines <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5120 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5121 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5122 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5123 buf->b_ml.ml_usedchunks * sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5124 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5125 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5126 else if (curix == 0 || (curchnk->mlcs_numlines > 10
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5127 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5128 > MLCS_MINL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5129 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5130 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5131 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5132
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5133 /* Collapse chunks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5134 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5135 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5136 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5137 if (curix < buf->b_ml.ml_usedchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5138 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5139 mch_memmove(buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5140 buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5141 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5142 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5143 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5144 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5145 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5146 ml_upd_lastbuf = buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5147 ml_upd_lastline = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5148 ml_upd_lastcurline = curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5149 ml_upd_lastcurix = curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5150 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5151
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5152 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5153 * Find offset for line or line with offset.
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5154 * Find line with offset if "lnum" is 0; return remaining offset in offp
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5155 * Find offset of line if "lnum" > 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5156 * return -1 if information is not available
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5157 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5158 long
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
5159 ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5160 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5161 linenr_T curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5162 int curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5163 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5164 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5165 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5166 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5167 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5168 int start_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5169 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5170 long offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5171 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5172 int ffdos = (get_fileformat(buf) == EOL_DOS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5173 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5174
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5175 /* take care of cached line first */
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5176 ml_flush_line(curbuf);
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5177
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5178 if (buf->b_ml.ml_usedchunks == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5179 || buf->b_ml.ml_chunksize == NULL
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5180 || lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5181 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5182
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5183 if (offp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5184 offset = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5185 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5186 offset = *offp;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5187 if (lnum == 0 && offset <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5188 return 1; /* Not a "find offset" and offset 0 _must_ be in line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5189 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5190 * Find the last chunk before the one containing our line. Last chunk is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5191 * special because it will never qualify
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5192 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5193 curline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5194 curix = size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5195 while (curix < buf->b_ml.ml_usedchunks - 1
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5196 && ((lnum != 0
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5197 && lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5198 || (offset != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5199 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5200 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5201 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5202 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5203 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5204 if (offset && ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5205 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5206 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5207 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5208
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5209 while ((lnum != 0 && curline < lnum) || (offset != 0 && size < offset))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5210 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5211 if (curline > buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5212 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5213 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5214 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5215 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5216 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5217 start_idx = idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5218 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5219 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5220 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5221 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5222 /* Compute index of last line to use in this MEMLINE */
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5223 if (lnum != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5224 {
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5225 if (curline + (count - idx) >= lnum)
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5226 idx += lnum - curline - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5227 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5228 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5229 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5230 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5231 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5232 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5233 while (offset >= size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5234 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5235 + ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5236 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5237 if (ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5238 size++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5239 if (idx == count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5240 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5241 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5242 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5243 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5244 idx++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5245 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5246 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5247 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5248 size += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5249 if (offset != 0 && size >= offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5250 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5251 if (size + ffdos == offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5252 *offp = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5253 else if (idx == start_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5254 *offp = offset - size + len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5255 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5256 *offp = offset - size + len
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5257 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5258 curline += idx - start_idx + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5259 if (curline > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5260 return -1; /* exactly one byte beyond the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5261 return curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5262 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5263 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5264 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5265
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5266 if (lnum != 0)
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5267 {
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5268 /* Count extra CR characters. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5269 if (ffdos)
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
5270 size += lnum - 1;
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5271
6933
62ba356c2d4e patch 7.4.785
Bram Moolenaar <bram@vim.org>
parents: 6925
diff changeset
5272 /* Don't count the last line break if 'noeol' and ('bin' or
62ba356c2d4e patch 7.4.785
Bram Moolenaar <bram@vim.org>
parents: 6925
diff changeset
5273 * 'nofixeol'). */
62ba356c2d4e patch 7.4.785
Bram Moolenaar <bram@vim.org>
parents: 6925
diff changeset
5274 if ((!buf->b_p_fixeol || buf->b_p_bin) && !buf->b_p_eol
62ba356c2d4e patch 7.4.785
Bram Moolenaar <bram@vim.org>
parents: 6925
diff changeset
5275 && buf->b_ml.ml_line_count == lnum)
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5276 size -= ffdos + 1;
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5277 }
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
5278
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5279 return size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5280 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5281
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5282 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5283 * Goto byte in buffer with offset 'cnt'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5284 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5285 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
5286 goto_byte(long cnt)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5287 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5288 long boff = cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5289 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5290
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5291 ml_flush_line(curbuf); /* cached line may be dirty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5292 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5293 if (boff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5294 --boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5295 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5296 if (lnum < 1) /* past the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5297 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5298 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5299 curwin->w_curswant = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5300 coladvance((colnr_T)MAXCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5301 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5302 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5303 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5304 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5305 curwin->w_cursor.col = (colnr_T)boff;
572
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
5306 # ifdef FEAT_VIRTUALEDIT
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
5307 curwin->w_cursor.coladd = 0;
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
5308 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5309 curwin->w_set_curswant = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5310 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5311 check_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5312
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5313 # ifdef FEAT_MBYTE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5314 /* Make sure the cursor is on the first byte of a multi-byte char. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5315 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5316 mb_adjust_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5317 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5318 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
5319 #endif