annotate src/memline.c @ 9894:b01afb4e8f66 v7.4.2221

commit https://github.com/vim/vim/commit/91984b9034d3b698459622be277d963e0c6df60e Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 16 21:58:41 2016 +0200 patch 7.4.2221 Problem: printf() does not support binary format. Solution: Add %b and %B. (Ozaki Kiichi)
author Christian Brabandt <cb@256bit.org>
date Tue, 16 Aug 2016 22:00:06 +0200
parents fd9727ae3c49
children 4aead6a9b7a9
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1 /* vi:set ts=8 sts=4 sw=4:
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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) if (c) EMSG(s) */
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12 #define CHECK(c, s)
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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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326 curwin->w_nrwidth_line_count = 0;
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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 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336 EMSG(_("E298: Didn't get block nr 0?"));
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 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 EMSG(_("E298: Didn't get block nr 1?"));
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 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 EMSG(_("E298: Didn't get block nr 2?"));
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;
2273
7f09ce7b4126 Fix a memory leak in encryption. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2272
diff changeset
538 vim_free(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 = NULL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
540 buf->b_ml.ml_stack_size = 0; /* no stack yet */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
541
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
542 for ( ; !got_int; line_breakcheck())
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
543 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
544 if (hp != NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
545 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
546
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
547 /* get the block (pointer or data) */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
548 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
549 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
550 if (bnum == 1)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
551 break;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
552 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
553 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
554 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
555 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
556 pp = (PTR_BL *)(hp->bh_data);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
557 if (pp->pb_id == PTR_ID) /* it is a pointer block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
558 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
559 if (pp->pb_count == 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
560 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
561 /* empty block? */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
562 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
563 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
564 else if (idx < (int)pp->pb_count) /* go a block deeper */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
565 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
566 if (pp->pb_pointer[idx].pe_bnum < 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
567 {
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
568 /* Skip data block with negative block number.
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
569 * Should not happen, because of the ml_preserve()
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
570 * above. Get same block again for next index. */
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
571 ++idx;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
572 continue;
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
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
575 /* going one block deeper in the tree, new entry in
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
576 * stack */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
577 if ((top = ml_add_stack(buf)) < 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
578 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
579 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
580 break; /* out of memory */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
581 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
582 ip = &(buf->b_ml.ml_stack[top]);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
583 ip->ip_bnum = bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
584 ip->ip_index = idx;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
585
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
586 bnum = pp->pb_pointer[idx].pe_bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
587 page_count = pp->pb_pointer[idx].pe_page_count;
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
588 idx = 0;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
589 continue;
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 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
592 else /* not a pointer block */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
593 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
594 dp = (DATA_BL *)(hp->bh_data);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
595 if (dp->db_id != DATA_ID) /* block id wrong */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
596 ++error;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
597 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
598 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
599 /* 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
600 mf_put(mfp, hp, TRUE, FALSE);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
601 hp = NULL;
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
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
606 if (buf->b_ml.ml_stack_top == 0) /* finished */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
607 break;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
608
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
609 /* go one block up in the tree */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
610 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
611 bnum = ip->ip_bnum;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
612 idx = ip->ip_index + 1; /* go to next index */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
613 page_count = 1;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
614 }
6817
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
615 if (hp != NULL)
cd47def2214a patch 7.4.730
Bram Moolenaar <bram@vim.org>
parents: 6721
diff changeset
616 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
617
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
618 if (error > 0)
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
619 EMSG(_("E843: Error while updating swap file crypt"));
2267
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
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
622 mfp->mf_old_key = NULL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
623 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
624 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
625
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 * ml_setname() is called when the file name of "buf" has been changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 * It may rename the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
631 ml_setname(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 int success = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 char_u *dirp;
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
637 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 if (mfp->mf_fd < 0) /* there is no swap file yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 * When 'updatecount' is 0 and 'noswapfile' there is no swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 * For help files we will make a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 */
5737
e25a04c1c515 updated for version 7.4.213
Bram Moolenaar <bram@vim.org>
parents: 5651
diff changeset
648 if (p_uc != 0 && !cmdmod.noswapfile)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 ml_open_file(buf); /* create a swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 return;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 * Try all directories in the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 if (*dirp == NUL) /* tried all directories, fail */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 break;
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
661 fname = findswapname(buf, &dirp, mfp->mf_fname);
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
662 /* alloc's fname */
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
663 if (dirp == NULL) /* out of memory */
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
664 break;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 if (fname == NULL) /* no file name found for this dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
668 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 * Set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 p = FullName_save(fname, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
675 fname = p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
676 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679 /* if the file name is the same we don't have to do anything */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 if (fnamecmp(fname, mfp->mf_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 /* need to close the swap file before renaming */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 if (mfp->mf_fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 close(mfp->mf_fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 mfp->mf_fd = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 /* try to rename the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 if (vim_rename(mfp->mf_fname, fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
697 vim_free(mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
698 mfp->mf_fname = fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
699 vim_free(mfp->mf_ffname);
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
700 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
701 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
702 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 mf_set_ffname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 #endif
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
705 ml_upd_block0(buf, UB_SAME_DIR);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 vim_free(fname); /* this fname didn't work, try another */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 if (mfp->mf_fd == -1) /* need to (re)open the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 if (mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 /* could not (re)open the swap file, what can we do???? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 EMSG(_("E301: Oops, lost the swap file!!!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 }
2003
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
720 #ifdef HAVE_FD_CLOEXEC
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
721 {
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
722 int fdflags = fcntl(mfp->mf_fd, F_GETFD);
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
723 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
724 (void)fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
2003
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
725 }
5d5cad78a838 updated for version 7.2-300
vimboss
parents: 1978
diff changeset
726 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 if (!success)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 EMSG(_("E302: Could not rename swap file"));
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 * 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
734 * been modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 * Used when 'updatecount' changes from zero to non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
738 ml_open_files(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
742 FOR_ALL_BUFFERS(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 if (!buf->b_p_ro || buf->b_changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 ml_open_file(buf);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 * 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
749 * If we are unable to find a file name, mf_fname will be NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 * and the memfile will be in memory only (no recovery possible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
753 ml_open_file(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 mfp = buf->b_ml.ml_mfp;
5737
e25a04c1c515 updated for version 7.4.213
Bram Moolenaar <bram@vim.org>
parents: 5651
diff changeset
760 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf || cmdmod.noswapfile)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762
748
605c8fbb13dd updated for version 7.0222
vimboss
parents: 720
diff changeset
763 #ifdef FEAT_SPELL
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
764 /* For a spell buffer use a temp file name. */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
765 if (buf->b_spell)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
766 {
6721
7347229a646a updated for version 7.4.684
Bram Moolenaar <bram@vim.org>
parents: 6596
diff changeset
767 fname = vim_tempname('s', FALSE);
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
768 if (fname != NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
769 (void)mf_open_file(mfp, fname); /* consumes fname! */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
770 buf->b_may_swap = FALSE;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
771 return;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
772 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
773 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
774
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 * Try all directories in 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
777 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
778 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
779 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
780 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
781 if (*dirp == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 break;
2273
7f09ce7b4126 Fix a memory leak in encryption. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2272
diff changeset
783 /* 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
784 * and creating it, another Vim creates the file. In that case the
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
785 * creation will fail and we will use another directory. */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
786 fname = findswapname(buf, &dirp, NULL); /* allocates fname */
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
787 if (dirp == NULL)
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
788 break; /* out of memory */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
789 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
790 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
791 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
792 {
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
793 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
794 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
795 * set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
796 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
797 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
798 mf_fullname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
799 #endif
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
800 ml_upd_block0(buf, UB_SAME_DIR);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
801
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 /* Flush block zero, so others can read it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 if (mf_sync(mfp, MFS_ZERO) == OK)
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
804 {
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
805 /* Mark all blocks that should be in the swapfile as dirty.
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
806 * Needed for when the 'swapfile' option was reset, so that
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
807 * the swap file was deleted, and then on again. */
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
808 mf_set_dirty(mfp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 break;
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
810 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
811 /* Writing block 0 failed: close the file and try another dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
812 mf_close_file(buf, FALSE);
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 if (mfp->mf_fname == NULL) /* Failed! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820 (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
821 buf_spname(buf) != NULL ? buf_spname(buf) : buf->b_fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 /* don't try to open a swap file again */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 buf->b_may_swap = FALSE;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 * 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
831 * file, or reading into an existing buffer, create a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
834 check_need_swap(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
835 int newfile) /* reading file into new buffer */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 ml_open_file(curbuf);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 * Close memline for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 * If 'del_file' is TRUE, delete the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
846 ml_close(buf_T *buf, int del_file)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 if (buf->b_ml.ml_mfp == NULL) /* not open */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 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
852 vim_free(buf->b_ml.ml_line_ptr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 vim_free(buf->b_ml.ml_chunksize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 buf->b_ml.ml_chunksize = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 buf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 /* Reset the "recovered" flag, give the ATTENTION prompt the next time
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 * this buffer is loaded. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862 buf->b_flags &= ~BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 * Close all existing memlines and memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 * Only used when exiting.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 * When 'del_file' is TRUE, delete the memfiles.
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
869 * 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
870 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
872 ml_close_all(int del_file)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
876 FOR_ALL_BUFFERS(buf)
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
877 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
878 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL));
5519
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
879 #ifdef FEAT_SPELL
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
880 spell_delete_wordlist(); /* delete the internal wordlist */
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
881 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 #ifdef TEMPDIRNAMES
5519
fa31c5b82424 updated for version 7.4.108
Bram Moolenaar <bram@vim.org>
parents: 5432
diff changeset
883 vim_deltempdir(); /* delete created temp directory */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888 * Close all memfiles for not modified buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 * Only use just before exiting!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
892 ml_close_notmod(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
896 FOR_ALL_BUFFERS(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 if (!bufIsChanged(buf))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 ml_close(buf, TRUE); /* close all not-modified buffers */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 * Update the timestamp in the .swp file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 * Used when the file has been written.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
906 ml_timestamp(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
908 ml_upd_block0(buf, UB_FNAME);
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
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 * Return FAIL when the ID of "b0p" is wrong.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
913 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
914 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
915 ml_check_b0_id(ZERO_BL *b0p)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
916 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
917 if (b0p->b0_id[0] != BLOCK0_ID0
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
918 || (b0p->b0_id[1] != BLOCK0_ID1
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
919 && b0p->b0_id[1] != BLOCK0_ID1_C0
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
920 && b0p->b0_id[1] != BLOCK0_ID1_C1
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
921 && b0p->b0_id[1] != BLOCK0_ID1_C2)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
922 )
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
923 return FAIL;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
924 return OK;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
925 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
926
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
927 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
928 * Update the timestamp or the B0_SAME_DIR flag of the .swp file.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
929 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
930 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
931 ml_upd_block0(buf_T *buf, upd_block0_T what)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
932 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937 mfp = buf->b_ml.ml_mfp;
6130
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
938 if (mfp == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 return;
6130
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
940 hp = mf_get(mfp, (blocknr_T)0, 1);
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
941 if (hp == NULL)
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
942 {
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
943 #ifdef FEAT_CRYPT
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
944 /* 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
945 if (what == UB_CRYPT)
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
946 ml_set_mfp_crypt(buf);
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
947 #endif
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
948 return;
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
949 }
86fb698a38d5 updated for version 7.4.403
Bram Moolenaar <bram@vim.org>
parents: 6122
diff changeset
950
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 b0p = (ZERO_BL *)(hp->bh_data);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
952 if (ml_check_b0_id(b0p) == FAIL)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
953 EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
955 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
956 if (what == UB_FNAME)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
957 set_b0_fname(b0p, buf);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
958 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
959 else if (what == UB_CRYPT)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
960 ml_set_b0_crypt(buf, b0p);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
961 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
962 else /* what == UB_SAME_DIR */
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
963 set_b0_dir_flag(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
964 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 * Write file name and timestamp into block 0 of a swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 * Also set buf->b_mtime.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 * Don't use NameBuff[]!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
974 set_b0_fname(ZERO_BL *b0p, buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
976 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 if (buf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 {
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
982 #if defined(MSWIN) || defined(AMIGA)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
983 /* Systems that cannot translate "~user" back into a path: copy the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
984 * file name unmodified. Do use slashes instead of backslashes for
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
985 * portability. */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
986 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
987 # ifdef BACKSLASH_IN_FILENAME
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
988 forward_slash(b0p->b0_fname);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
989 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 size_t flen, ulen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 * For a file under the home directory of the current user, we try to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 * replace the home directory path with "~user". This helps when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 * editing the same file on different machines over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 * First replace home dir path with "~/" with home_replace().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 * Then insert the user name to get "~user/".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000 */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1001 home_replace(NULL, buf->b_ffname, b0p->b0_fname,
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1002 B0_FNAME_SIZE_CRYPT, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 if (b0p->b0_fname[0] == '~')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 flen = STRLEN(b0p->b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 /* If there is no user name or it is too long, don't use "~/" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1008 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE_CRYPT - 1)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1009 vim_strncpy(b0p->b0_fname, buf->b_ffname,
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1010 B0_FNAME_SIZE_CRYPT - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 mch_memmove(b0p->b0_fname + 1, uname, ulen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 if (mch_stat((char *)buf->b_ffname, &st) >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 long_to_char((long)st.st_mtime, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 long_to_char((long)st.st_ino, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 buf_store_time(buf, &st, buf->b_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 buf->b_mtime_read = buf->b_mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 long_to_char(0L, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 long_to_char(0L, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 buf->b_mtime = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 buf->b_mtime_read = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035 buf->b_orig_size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 buf->b_orig_mode = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1039
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1040 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1041 /* Also add the 'fileencoding' if there is room. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1042 add_b0_fenc(b0p, curbuf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1043 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1045
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1047 * 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
1048 * swapfile for "buf" are in the same directory.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1049 * 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
1050 * not set.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1051 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1052 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1053 set_b0_dir_flag(ZERO_BL *b0p, buf_T *buf)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1054 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1055 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname))
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 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1058 b0p->b0_flags &= ~B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1059 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1060
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1061 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1062 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1063 * When there is room, add the 'fileencoding' to block zero.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1064 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1065 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1066 add_b0_fenc(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1067 ZERO_BL *b0p,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1068 buf_T *buf)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1069 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1070 int n;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1071 int size = B0_FNAME_SIZE_NOCRYPT;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1072
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1073 # ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1074 /* 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
1075 * 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
1076 * compatible anyway. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1077 if (*buf->b_p_key != NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1078 size = B0_FNAME_SIZE_CRYPT;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1079 # endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1080
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
1081 n = (int)STRLEN(buf->b_p_fenc);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1082 if ((int)STRLEN(b0p->b0_fname) + n + 1 > size)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1083 b0p->b0_flags &= ~B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1084 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1085 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1086 mch_memmove((char *)b0p->b0_fname + size - n,
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1087 (char *)buf->b_p_fenc, (size_t)n);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1088 *(b0p->b0_fname + size - n - 1) = NUL;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1089 b0p->b0_flags |= B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1090 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1091 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1092 #endif
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1093
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1094
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1095 /*
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1096 * Try to recover curbuf from the .swp file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1099 ml_recover(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101 buf_T *buf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 memfile_T *mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 char_u *fname;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1104 char_u *fname_used = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 ZERO_BL *b0p;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1107 int b0_ff;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1108 char_u *b0_fenc = NULL;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1109 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1110 int b0_cm = -1;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1111 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 blocknr_T bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 int page_count;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1117 stat_T org_stat, swp_stat;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 int directly;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 long error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124 int cannot_open;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 int has_error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 int txt_start;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1130 off_T size;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 int called_from_main;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 int serious_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 long mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 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
1135 int orig_file_status = NOTDONE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 recoverymode = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 called_from_main = (curbuf->b_ml.ml_mfp == NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 attr = hl_attr(HLF_E);
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1140
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1141 /*
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1142 * If the file name ends in ".s[uvw][a-z]" we assume this is the swap file.
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1143 * Otherwise a search is done to find the swap file(s).
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1144 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 fname = curbuf->b_fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 if (fname == NULL) /* When there is no file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 fname = (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 len = (int)STRLEN(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 if (len >= 4 &&
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
1150 #if defined(VMS)
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1151 STRNICMP(fname + len - 4, "_s" , 2)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 #else
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1153 STRNICMP(fname + len - 4, ".s" , 2)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 #endif
1975
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1155 == 0
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1156 && vim_strchr((char_u *)"UVWuvw", fname[len - 2]) != NULL
e12f574898a9 updated for version 7.2-272
vimboss
parents: 1856
diff changeset
1157 && ASCII_ISALPHA(fname[len - 1]))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 directly = TRUE;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1160 fname_used = vim_strsave(fname); /* make a copy for mf_open() */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 directly = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 /* count the number of matching swap files */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1167 len = recover_names(fname, FALSE, 0, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 if (len == 0) /* no swap files found */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 EMSG2(_("E305: No swap file found for %s"), fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 if (len == 1) /* one swap file found, use it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 else /* several swap files found, choose */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 /* list the names of the swap files */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1178 (void)recover_names(fname, TRUE, 0, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 MSG_PUTS(_("Enter number of swap file to use (0 to quit): "));
374
575dacb554d8 updated for version 7.0096
vimboss
parents: 274
diff changeset
1181 i = get_number(FALSE, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 if (i < 1 || i > len)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 /* get the swap file name that will be used */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1186 (void)recover_names(fname, FALSE, i, &fname_used);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1188 if (fname_used == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 goto theend; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 /* When called from main() still need to initialize storage structure */
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
1192 if (called_from_main && ml_open(curbuf) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 getout(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1195 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1196 * 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
1197 * 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
1198 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 buf = (buf_T *)alloc((unsigned)sizeof(buf_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 goto theend;
2267
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 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1204 * init fields in memline struct
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1205 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 buf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 buf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 buf->b_ml.ml_locked = NULL; /* no locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211 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
1212 #ifdef FEAT_CRYPT
9e2e63af1641 Better fix for memory access in recovery. (Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents: 2407
diff changeset
1213 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
1214 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
1215 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1217 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1218 * open the memfile from the old swap file
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1219 */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1220 p = vim_strsave(fname_used); /* save "fname_used" for the message:
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1221 mf_open() will consume "fname_used"! */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1222 mfp = mf_open(fname_used, O_RDONLY);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1223 fname_used = p;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 if (mfp == NULL || mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1226 if (fname_used != NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1227 EMSG2(_("E306: Cannot open %s"), fname_used);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 buf->b_ml.ml_mfp = mfp;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1231 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1232 mfp->mf_buffer = buf;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1233 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 * The page size set in mf_open() might be different from the page size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 * 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
1238 * 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
1239 * be set to the real value below.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1243 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1244 * try to read block 0
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1245 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 MSG_PUTS_ATTR(_("Unable to read block 0 from "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1251 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
1252 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 msg_outtrans_attr(mfp->mf_fname, MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 MSG_PUTS_ATTR(_("Use Vim version 3.0.\n"), MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1267 if (ml_check_b0_id(b0p) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 EMSG2(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 if (b0_magic_wrong(b0p))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 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
1276 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 MSG_PUTS_ATTR(_(" cannot be used on this computer.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 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
1285 /* avoid going past the end of a corrupted hostname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 MSG_PUTS_ATTR(b0p->b0_hname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 MSG_PUTS_ATTR(_(",\nor the file has been damaged."), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 }
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1292
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1293 #ifdef FEAT_CRYPT
6122
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1294 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
1295 if (id1_codes[i] == b0p->b0_id[1])
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1296 b0_cm = i;
18ac55444b37 updated for version 7.4.399
Bram Moolenaar <bram@vim.org>
parents: 5737
diff changeset
1297 if (b0_cm > 0)
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1298 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
1299 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
1300 #else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1301 if (b0p->b0_id[1] != BLOCK0_ID1)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1302 {
2283
7e1bd501306d Mainly documentation updates.
Bram Moolenaar <bram@vim.org>
parents: 2273
diff changeset
1303 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
1304 goto theend;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1305 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1306 #endif
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1307
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 * If we guessed the wrong page size, we have to recalculate the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 * highest block number in the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 {
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1314 unsigned previous_page_size = mfp->mf_page_size;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1315
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 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
1317 if (mfp->mf_page_size < previous_page_size)
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1318 {
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1319 msg_start();
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1320 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1321 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
1322 attr | MSG_HIST);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1323 msg_end();
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1324 goto theend;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1325 }
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1326 if ((size = vim_lseek(mfp->mf_fd, (off_T)0L, SEEK_END)) <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 mfp->mf_blocknr_max = 0; /* no file or empty file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 mfp->mf_infile_count = mfp->mf_blocknr_max;
1105
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1331
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1332 /* need to reallocate the memory used to store the data */
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1333 p = alloc(mfp->mf_page_size);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1334 if (p == NULL)
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1335 goto theend;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1336 mch_memmove(p, hp->bh_data, previous_page_size);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1337 vim_free(hp->bh_data);
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1338 hp->bh_data = p;
33a2652c1326 updated for version 7.0-231
vimboss
parents: 1082
diff changeset
1339 b0p = (ZERO_BL *)(hp->bh_data);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1342 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1343 * 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
1344 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 if (directly)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 expand_env(b0p->b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1353 smsg((char_u *)_("Using swap file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 if (buf_spname(curbuf) != NULL)
3839
8115f449a574 updated for version 7.3.677
Bram Moolenaar <bram@vim.org>
parents: 3158
diff changeset
1356 vim_strncpy(NameBuff, buf_spname(curbuf), MAXPATHL - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1359 smsg((char_u *)_("Original file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1362 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1363 * check date of swap file and original file
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1364 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 mtime = char_to_long(b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 if (curbuf->b_ffname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 && org_stat.st_mtime > swp_stat.st_mtime)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 || org_stat.st_mtime != mtime))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 EMSG(_("E308: Warning: Original file may have been changed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 out_flush();
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1375
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1376 /* Get the 'fileformat' and 'fileencoding' from block zero. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1377 b0_ff = (b0p->b0_flags & B0_FF_MASK);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1378 if (b0p->b0_flags & B0_HAS_FENC)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1379 {
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1380 int fnsize = B0_FNAME_SIZE_NOCRYPT;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1381
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1382 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1383 /* Use the same size as in add_b0_fenc(). */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1384 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
1385 fnsize = B0_FNAME_SIZE_CRYPT;
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1386 #endif
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1387 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
1388 ;
2271
2b33a7678e7b Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents: 2267
diff changeset
1389 b0_fenc = vim_strnsave(p, (int)(b0p->b0_fname + fnsize - p));
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1390 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1391
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 * 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
1397 * contents of the current buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 * Try reading the original file to obtain the values of 'fileformat',
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 * 'fileencoding', etc. Ignore errors. The text itself is not used.
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1405 * When the file is encrypted the user is asked to enter the key.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 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
1408 orig_file_status = readfile(curbuf->b_ffname, NULL, (linenr_T)0,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1411 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1412 if (b0_cm >= 0)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1413 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1414 /* 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
1415 * without a key, will probably get garbage text. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1416 if (*curbuf->b_p_key != NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1417 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1418 smsg((char_u *)_("Swap file is encrypted: \"%s\""), fname_used);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1419 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
1420 MSG_PUTS(_("\nenter the new crypt key."));
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1421 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
1422 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
1423 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1424 else
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1425 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
1426 buf->b_p_key = crypt_get_key(FALSE, FALSE);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1427 if (buf->b_p_key == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1428 buf->b_p_key = curbuf->b_p_key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1429 else if (*buf->b_p_key == NUL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1430 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1431 vim_free(buf->b_p_key);
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1432 buf->b_p_key = curbuf->b_p_key;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1433 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1434 if (buf->b_p_key == NULL)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1435 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
1436 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1437 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1439 /* Use the 'fileformat' and 'fileencoding' as stored in the swap file. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1440 if (b0_ff != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1441 set_fileformat(b0_ff - 1, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1442 if (b0_fenc != NULL)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1443 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1444 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1445 vim_free(b0_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1446 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1447 unchanged(curbuf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1448
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 bnum = 1; /* start with block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 page_count = 1; /* which is 1 page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 lnum = 0; /* append after line 0 in curbuf */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 idx = 0; /* start with first index in block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 error = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 buf->b_ml.ml_stack = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 if (curbuf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 cannot_open = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 serious_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465 for ( ; !got_int; line_breakcheck())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 * get block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 EMSG2(_("E309: Unable to read block 1 from %s"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 else /* there is a block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 if (pp->pb_id == PTR_ID) /* it is a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 /* check line count when using pointer block first time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 if (idx == 0 && line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 line_count -= pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 if (line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498 (colnr_T)0, TRUE);
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 if (pp->pb_count == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 else if (idx < (int)pp->pb_count) /* go a block deeper */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 if (pp->pb_pointer[idx].pe_bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 * Data block with negative block number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 * Try to read lines from the original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 * This is slow, but it works.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 if (!cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 if (readfile(curbuf->b_ffname, NULL, lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 pp->pb_pointer[idx].pe_old_lnum - 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 line_count, NULL, 0) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 lnum += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 if (cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 ml_append(lnum++, (char_u *)_("???LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 ++idx; /* get same block again for next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 continue;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 * going one block deeper in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 break; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 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
1552 idx = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 else /* not a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 if (dp->db_id != DATA_ID) /* block id wrong */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 EMSG2(_("E310: Block 1 ID wrong (%s not a .swp file?)"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 * it is a data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 * Append all the lines in this block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 has_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 * check length of block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 * if wrong, use length in pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 if (page_count * mfp->mf_page_size != dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 /* make sure there is a NUL at the end of the block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 *((char_u *)dp + dp->db_txt_end - 1) = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 * check number of lines in block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 * if wrong, use count in data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 if (line_count != dp->db_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 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
1601 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 for (i = 0; i < dp->db_line_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 txt_start = (dp->db_index[i] & DB_INDEX_MASK);
1978
7e0c8a18c915 updated for version 7.2-275
vimboss
parents: 1975
diff changeset
1609 if (txt_start <= (int)HEADER_SIZE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 || txt_start >= (int)dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 p = (char_u *)"???";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 p = (char_u *)dp + txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 ml_append(lnum++, p, (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 if (has_error)
1978
7e0c8a18c915 updated for version 7.2-275
vimboss
parents: 1975
diff changeset
1620 ml_append(lnum++, (char_u *)_("???END"),
7e0c8a18c915 updated for version 7.2-275
vimboss
parents: 1975
diff changeset
1621 (colnr_T)0, TRUE);
7
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 if (buf->b_ml.ml_stack_top == 0) /* finished */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 * go one block up in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 idx = ip->ip_index + 1; /* go to next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 /*
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
1639 * 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
1640 * 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
1641 * 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
1642 * 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
1643 * Line ml_line_count + 1 in the dummy empty line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 */
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
1645 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
1646 {
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 /* 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
1648 * 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
1649 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
1650 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1651 changed_int();
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 ++curbuf->b_changedtick;
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 }
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 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
1656 {
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 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
1658 {
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 /* 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
1660 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
1661 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
1662 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
1663 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
1664 {
0527eb0f6918 After recovery check if the text changed. If it did mark the buffer as
Bram Moolenaar <bram@vim.org>
parents: 2145
diff changeset
1665 changed_int();
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 ++curbuf->b_changedtick;
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 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
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 /*
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 * 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
1674 * 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
1675 */
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 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
1677 && !(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
1678 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 curbuf->b_flags |= BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 if (got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 EMSG(_("E311: Recovery Interrupted"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 else if (error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 EMSG(_("E312: Errors detected while recovering; look for lines starting with ???"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 MSG(_("See \":help E312\" for more information."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 {
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
1695 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
1696 {
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(_("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
1698 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
1699 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
1700 }
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 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
1702 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
1703 MSG_PUTS(_("\nYou may want to delete the .swp file now.\n\n"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1706 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1707 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
1708 {
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1709 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
1710 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
1711 }
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1712 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 redraw_curbuf_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 theend:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1716 vim_free(fname_used);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 }
1053
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1724 if (buf != NULL)
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1725 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1726 #ifdef FEAT_CRYPT
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1727 if (buf->b_p_key != curbuf->b_p_key)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1728 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
1729 free_string_option(buf->b_p_cm);
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1730 #endif
1053
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1731 vim_free(buf->b_ml.ml_stack);
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1732 vim_free(buf);
f8f35d8208e6 updated for version 7.0-179
vimboss
parents: 1042
diff changeset
1733 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 if (serious_error && called_from_main)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 ml_close(curbuf, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 #ifdef FEAT_AUTOCMD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 * Find the names of swap files in current directory and the directory given
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 * with the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 * Used to:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 * - list the swap files for "vim -r"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 * - count the number of swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 * - list the swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 * - find the name of the n'th swap file when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1757 recover_names(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
1758 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
1759 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
1760 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
1761 char_u **fname_out) /* result when "nr" > 0 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 char_u *(names[6]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 int num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 int file_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 char_u **files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 char_u *dir_name;
2175
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1773 char_u *fname_res = NULL;
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1774 #ifdef HAVE_READLINK
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1775 char_u fname_buf[MAXPATHL];
2175
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1776 #endif
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1777
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1778 if (fname != NULL)
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1779 {
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1780 #ifdef HAVE_READLINK
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1781 /* 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
1782 * with the actual file instead of with the symlink. */
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1783 if (resolve_symlink(fname, fname_buf) == OK)
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1784 fname_res = fname_buf;
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1785 else
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1786 #endif
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1787 fname_res = fname;
2175
d44112feb815 updated for version 7.2.438
Bram Moolenaar <bram@vim.org>
parents: 2165
diff changeset
1788 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 {
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1792 /* use msg() to start the scrolling properly */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 msg((char_u *)_("Swap files found:"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 * Do the loop for every directory in 'directory'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 dir_name = alloc((unsigned)STRLEN(p_dir) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 while (dir_name != NULL && *dirp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 * Isolate a directory name from *dirp and put it in dir_name (we know
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 * it is large enough, so use 31000 for length).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 * Advance dirp to next directory name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 (void)copy_option_part(&dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1814 if (fname == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 names[0] = vim_strsave((char_u *)"*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 names[0] = vim_strsave((char_u *)"*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 #endif
1005
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1821 #if defined(UNIX) || defined(WIN3264)
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1822 /* For Unix names starting with a dot are special. MS-Windows
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1823 * supports this too, on some file systems. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 names[1] = vim_strsave((char_u *)".*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 names[2] = vim_strsave((char_u *)".sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 names[1] = vim_strsave((char_u *)".*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 else
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1837 num_names = recov_file_names(names, fname_res, TRUE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 else /* check directory dir_name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1841 if (fname == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 #endif
1005
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1848 #if defined(UNIX) || defined(WIN3264)
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1849 /* For Unix names starting with a dot are special. MS-Windows
1dfe9032bd92 updated for version 7.0-131
vimboss
parents: 1001
diff changeset
1850 * supports this too, on some file systems. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 p = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1867 if (after_pathsep(dir_name, p) && p[-1] == p[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 /* 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
1870 tail = make_percent_swname(dir_name, fname_res);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 {
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1875 tail = gettail(fname_res);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 tail = concat_fnames(dir_name, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 if (tail == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 num_names = recov_file_names(names, tail, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 vim_free(tail);
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 /* check for out-of-memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 if (names[i] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 if (num_names == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 else if (expand_wildcards(num_names, names, &num_files, &files,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 * When no swap file found, wildcard expansion might have failed (e.g.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 * not able to execute the shell).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 * Try finding a swap file by simply adding ".swp" to the file name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 */
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1909 if (*dirp == NUL && file_count + num_files == 0 && fname != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
1911 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 char_u *swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1914 swapname = modname(fname_res,
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
1915 #if defined(VMS)
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1916 (char_u *)"_swp", FALSE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 #else
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1918 (char_u *)".swp", TRUE
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 #endif
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
1920 );
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 if (swapname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 files = (char_u **)alloc((unsigned)sizeof(char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 if (files != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 files[0] = swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 swapname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 num_files = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 vim_free(swapname);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 * remove swapfile name of the current buffer, it must be ignored
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 if (curbuf->b_ml.ml_mfp != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945 {
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1946 /* Remove the name from files[i]. Move further entries
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1947 * down. When the array becomes empty free it here, since
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1948 * FreeWild() won't be called below. */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 vim_free(files[i]);
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1950 if (--num_files == 0)
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1951 vim_free(files);
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1952 else
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1953 for ( ; i < num_files; ++i)
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
1954 files[i] = files[i + 1];
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 }
838
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
1957 if (nr > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 if (nr <= file_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1962 *fname_out = vim_strsave(
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1963 files[nr - 1 + num_files - file_count]);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 dirp = (char_u *)""; /* stop searching */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 else if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 if (dir_name[0] == '.' && dir_name[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
1971 if (fname == NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 MSG_PUTS(_(" In current directory:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 MSG_PUTS(_(" Using specified name:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 MSG_PUTS(_(" In directory "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 msg_home_replace(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 MSG_PUTS(":\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 if (num_files)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 /* print the swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 msg_outnum((long)++file_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 MSG_PUTS(". ");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 msg_puts(gettail(files[i]));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 (void)swapfile_info(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 MSG_PUTS(_(" -- none --\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 vim_free(names[i]);
838
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
2004 if (num_files > 0)
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
2005 FreeWild(num_files, files);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 return file_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 * Append the full path to name with path separators made into percent
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 static char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2017 make_percent_swname(char_u *dir, char_u *name)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2019 char_u *d, *s, *f;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 f = fix_fname(name != NULL ? name : (char_u *) "");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 d = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 if (f != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 s = alloc((unsigned)(STRLEN(f) + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2028 STRCPY(s, f);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2029 for (d = s; *d != NUL; mb_ptr_adv(d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2030 if (vim_ispathsep(*d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
2031 *d = '%';
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 d = concat_fnames(dir, s, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 vim_free(f);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 return d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040
9536
b2aada04d84e commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents: 9387
diff changeset
2041 #if (defined(UNIX) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 static int process_still_running;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 /*
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
2046 * Give information about an existing swap file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 * Returns timestamp (0 when unknown).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 static time_t
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2050 swapfile_info(char_u *fname)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
2052 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055 time_t x = (time_t)0;
1001
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2056 char *p;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 /* print the swap file date */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 if (mch_stat((char *)fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 /* print name of owner of the file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 MSG_PUTS(_(" owned by: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 msg_outtrans(uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 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
2076 p = ctime(&x); /* includes '\n' */
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2077 if (p == NULL)
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2078 MSG_PUTS("(invalid)\n");
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2079 else
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
2080 MSG_PUTS(p);
7
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 * print the original file name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 {
2664
033e7b49356c updated for version 7.3.083
Bram Moolenaar <bram@vim.org>
parents: 2657
diff changeset
2089 if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 MSG_PUTS(_(" [from Vim version 3.0]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 }
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
2095 else if (ml_check_b0_id(&b0) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 MSG_PUTS(_(" [does not look like a Vim swap file]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 MSG_PUTS(_(" file name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102 if (b0.b0_fname[0] == NUL)
9
4102fb4ea781 updated for version 7.0002
vimboss
parents: 7
diff changeset
2103 MSG_PUTS(_("[No Name]"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 msg_outtrans(b0.b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 MSG_PUTS(_("\n modified: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 MSG_PUTS(b0.b0_dirty ? _("YES") : _("no"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 MSG_PUTS(_("\n user name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 msg_outtrans(b0.b0_uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 if (*(b0.b0_hname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 MSG_PUTS(_(" host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 MSG_PUTS(_("\n host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 msg_outtrans(b0.b0_hname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 if (char_to_long(b0.b0_pid) != 0L)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 MSG_PUTS(_("\n process ID: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 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
2129 #if defined(UNIX)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 /* EMX kill() not working correctly, it seems */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 if (kill((pid_t)char_to_long(b0.b0_pid), 0) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 MSG_PUTS(_(" (still running)"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 process_still_running = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 if (b0_magic_wrong(&b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 {
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
2143 #if defined(MSWIN)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 MSG_PUTS(_("\n [not usable with this version of Vim]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148 MSG_PUTS(_("\n [not usable on this computer]"));
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 MSG_PUTS(_(" [cannot be read]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 MSG_PUTS(_(" [cannot be opened]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 return x;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2164 recov_file_names(char_u **names, char_u *path, int prepend_dot)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 * (Win32 and Win64) never short names, but do prepend a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 * Only use the short name if it is different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 int shortname = curbuf->b_shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 curbuf->b_shortname = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 * 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
2185 * dir as original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 if (prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 names[num_names] = modname(path, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 ++num_names;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 * Form the normal swap file name pattern by appending ".sw?".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 if (num_names >= 1) /* check if we have the same name twice */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 p = names[num_names - 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 if (STRCMP(p, names[num_names]) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 * Also try with 'shortname' set, in case the file is on a DOS filesystem.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 curbuf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 names[num_names] = modname(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 names[num_names] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 * Remove the one from 'shortname', if it's the same as with 'noshortname'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 p = names[num_names];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 if (STRCMP(names[num_names - 1], p) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 end:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 curbuf->b_shortname = shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 return num_names;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 * sync all memlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 * If 'check_file' is TRUE, check if original file exists and was not changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 * If 'check_char' is TRUE, stop syncing when character becomes available, but
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 * always sync at least one block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2262 ml_sync_all(int check_file, int check_char)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 buf_T *buf;
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
2265 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266
9649
fd9727ae3c49 commit https://github.com/vim/vim/commit/2932359000b2f918d5fade79ea4d124d5943cd07
Christian Brabandt <cb@256bit.org>
parents: 9536
diff changeset
2267 FOR_ALL_BUFFERS(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 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
2270 continue; /* no file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 && buf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 * If the original file does not exist anymore or has been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 * call ml_preserve() to get rid of all negative numbered blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 if (mch_stat((char *)buf->b_ffname, &st) == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 || 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
2284 || st.st_size != buf->b_orig_size)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 ml_preserve(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 did_check_timestamps = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 need_check_timestamps = TRUE; /* give message later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 if (buf->b_ml.ml_mfp->mf_dirty)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 | (bufIsChanged(buf) ? MFS_FLUSH : 0));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 if (check_char && ui_char_avail()) /* character available now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 break;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 * sync one buffer, including negative blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 * after this all the blocks are in the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 * Used for the :preserve command and when the original file has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 * changed or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 * when message is TRUE the success of preserving is reported
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2312 ml_preserve(buf_T *buf, int message)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 int status;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 int got_int_save = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 if (mfp == NULL || mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 EMSG(_("E313: Cannot preserve, there is no swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 /* We only want to stop when interrupted here, not when interrupted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 * before. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 /* stack is invalid after mf_sync(.., MFS_ALL) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 * Some of the data blocks may have been changed from negative to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 * positive block number. In that case the pointer blocks need to be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 * updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 * We don't know in which pointer block the references are, so we visit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 * all data blocks until there are no more translations to be done (or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 * 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
2346 * e.g. when file system if full).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 * ml_find_line() does the work by translating the negative block numbers
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 * when getting the first line of each data block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 if (mf_need_trans(mfp) && !got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362 lnum = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 /* sync the updated pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2368 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2370 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2371 got_int |= got_int_save;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 if (status == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 MSG(_("File preserved"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 EMSG(_("E314: Preserve failed"));
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 * NOTE: The pointer returned by the ml_get_*() functions only remains valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 * until the next call!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 * line1 = ml_get(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 * line2 = ml_get(2); // line1 is now invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 * Make a copy of the line if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2390 * Return a pointer to a (read-only copy of a) line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 * On failure an error message is given and IObuff is returned (to avoid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 * having to check for error everywhere).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2396 ml_get(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 return ml_get_buf(curbuf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2402 * Return pointer to position "pos".
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2405 ml_get_pos(pos_T *pos)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2411 * Return pointer to cursor line.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2414 ml_get_curline(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2419 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2420 * Return pointer to cursor position.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2423 ml_get_cursor(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 curwin->w_cursor.col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 /*
2657
2a9d26c95a2a updated for version 7.3.077
Bram Moolenaar <bram@vim.org>
parents: 2577
diff changeset
2430 * Return a pointer to a line in a specific buffer
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 * "will_change": if TRUE mark the buffer dirty (chars in the line will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 * changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2436 ml_get_buf(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2437 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2438 linenr_T lnum,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2439 int will_change) /* line will be changed */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 {
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2441 bhdr_T *hp;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2442 DATA_BL *dp;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2443 char_u *ptr;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2444 static int recursive = 0;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 {
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2448 if (recursive == 0)
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2449 {
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2450 /* Avoid giving this message for a recursive call, may happen when
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2451 * the GUI redraws part of the text. */
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2452 ++recursive;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2453 EMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2454 --recursive;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2455 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 errorret:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 STRCPY(IObuff, "???");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 return IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 if (lnum <= 0) /* pretend line 0 is line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 return (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465
2108
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2466 /*
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2467 * 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
2468 * Otherwise may need to flush last used line.
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2469 * 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
2470 * blocks.
3cdf2a653e00 updated for version 7.2.391
Bram Moolenaar <bram@zimbu.org>
parents: 2075
diff changeset
2471 */
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
2472 if (buf->b_ml.ml_line_lnum != lnum || mf_dont_release)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 ml_flush_line(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 {
1068
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2483 if (recursive == 0)
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2484 {
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2485 /* Avoid giving this message for a recursive call, may happen
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2486 * when the GUI redraws part of the text. */
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2487 ++recursive;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2488 EMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2489 --recursive;
efd0ce477ae7 updated for version 7.0-194
vimboss
parents: 1066
diff changeset
2490 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 goto errorret;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 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
2497 buf->b_ml.ml_line_ptr = ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 buf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 if (will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 return buf->b_ml.ml_line_ptr;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 * Check if a line that was just obtained by a call to ml_get
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 * is in allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2512 ml_line_alloced(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 * 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
2519 * "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
2520 * buffer, unlocking may make it invalid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 * will be set for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 * appended_lines().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2530 ml_append(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2531 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
2532 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
2533 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
2534 int newfile) /* flag, see above */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 /* 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
2537 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 if (curbuf->b_ml.ml_line_lnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544
9295
0a5adc97fac8 commit https://github.com/vim/vim/commit/bf2c0ee0b2e8465847cf67aff22dd4bda7be81d1
Christian Brabandt <cb@256bit.org>
parents: 8493
diff changeset
2545 #if defined(FEAT_SPELL) || (defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS)) \
0a5adc97fac8 commit https://github.com/vim/vim/commit/bf2c0ee0b2e8465847cf67aff22dd4bda7be81d1
Christian Brabandt <cb@256bit.org>
parents: 8493
diff changeset
2546 || defined(PROTO)
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2547 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2548 * Like ml_append() but for an arbitrary buffer. The buffer must already have
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2549 * a memline.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2550 */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2551 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2552 ml_append_buf(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2553 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2554 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
2555 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
2556 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
2557 int newfile) /* flag, see above */
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2558 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2559 if (buf->b_ml.ml_mfp == NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2560 return FAIL;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2561
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2562 if (buf->b_ml.ml_line_lnum != 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2563 ml_flush_line(buf);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2564 return ml_append_int(buf, lnum, line, len, newfile, FALSE);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2565 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2566 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2567
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2569 ml_append_int(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2570 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2571 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
2572 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
2573 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
2574 int newfile, /* flag, see above */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
2575 int mark) /* mark the new line */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 int line_count; /* number of indexes in current block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 int offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 int from, to;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 int space_needed; /* space needed for new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 int page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 int db_idx; /* index for lnum in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 /* lnum out of range */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 len = (colnr_T)STRLEN(line) + 1; /* space needed for the text */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 space_needed = len + INDEX_SIZE; /* space needed for text + index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 page_size = mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 * find the data block containing the previous line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 * 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
2608 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 buf->b_ml.ml_flags &= ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 if (lnum == 0) /* got line one instead, correct db_idx */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 db_idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 * If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 * - there is not enough room in the current block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 * - appending to the last line in the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 * - not appending to the last line in the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 * insert in front of the next block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 if ((int)dp->db_free < space_needed && db_idx == line_count - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 && lnum < buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 * 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
2637 * expected, the line count has to be adjusted in the pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 * by using ml_locked_lineadd.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 ++buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 if ((int)dp->db_free >= space_needed) /* enough room in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 * Insert new line in existing data block, or in data block allocated above.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 dp->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 dp->db_free -= space_needed;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 ++(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 * move the text of the lines that follow to the front
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 * adjust the indexes of the lines that follow
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 if (line_count > db_idx + 1) /* if there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 * Offset is the start of the previous line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 * This will become the character just after the new line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 if (db_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 offset = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 mch_memmove((char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 (char *)dp + dp->db_txt_start + len,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 (size_t)(offset - (dp->db_txt_start + len)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 for (i = line_count - 1; i > db_idx; --i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 dp->db_index[i + 1] = dp->db_index[i] - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 dp->db_index[db_idx + 1] = offset - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 else /* add line at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 dp->db_index[db_idx + 1] = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 * copy the text into the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 dp->db_index[db_idx + 1] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 * Mark the block dirty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 if (!newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 else /* not enough space in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 * 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
2706 * lines into it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 * Then we have to insert an entry in the pointer block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 * 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
2709 * to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 long line_count_left, line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 int page_count_left, page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 bhdr_T *hp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 bhdr_T *hp_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 bhdr_T *hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 int lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 int data_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 int total_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 DATA_BL *dp_right, *dp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 int in_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 int lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 blocknr_T bnum_left, bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 linenr_T lnum_left, lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 int pb_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 PTR_BL *pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 * We are going to allocate a new data block. Depending on the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 * situation it will be put to the left or right of the existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 * block. If possible we put the new line in the left block and move
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 * the lines after it to the right block. Otherwise the new line is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 * also put in the right block. This method is more efficient when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 * inserting a lot of lines at one place.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 if (db_idx < 0) /* left block is new, right block is existing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 lines_moved = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 in_left = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 else /* left block is existing, right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 lines_moved = line_count - db_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 if (lines_moved == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 total_moved = data_moved + lines_moved * INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 if ((int)dp->db_free + total_moved >= space_needed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 in_left = TRUE; /* put new line in left block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 space_needed = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 space_needed += total_moved;
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 /* correct line counts in pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 hp_left = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 hp_right = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 line_count_right = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 hp_left = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 hp_right = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 line_count_left = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 dp_right = (DATA_BL *)(hp_right->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 dp_left = (DATA_BL *)(hp_left->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 bnum_left = hp_left->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 bnum_right = hp_right->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 page_count_left = hp_left->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 page_count_right = hp_right->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 * May move the new line into the right/new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 if (!in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 dp_right->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 dp_right->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 dp_right->db_index[0] = dp_right->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 dp_right->db_index[0] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 ++line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 * may move lines from the left/old block to the right/new one.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 if (lines_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 dp_right->db_txt_start -= data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 dp_right->db_free -= total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822 (char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 (size_t)data_moved);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 offset = dp_right->db_txt_start - dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 dp_left->db_txt_start += data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 dp_left->db_free += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 * update indexes in the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 for (to = line_count_right, from = db_idx + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 from < line_count_left; ++from, ++to)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 dp_right->db_index[to] = dp->db_index[from] + offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 line_count_right += lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 line_count_left -= lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839 * May move the new line into the left (old or new) block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 dp_left->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 dp_left->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 dp_left->db_index[line_count_left] = dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 dp_left->db_index[line_count_left] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 mch_memmove((char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 ++line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 lnum_left = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2862 lnum_right = lnum + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2863 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2864 lnum_right = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2865 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2866 dp_left->db_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2867 dp_right->db_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2868
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2869 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2870 * release the two data blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2871 * The new one (hp_new) already has a correct blocknumber.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2872 * The old one (hp, in ml_locked) gets a positive blocknumber if
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2873 * we changed it and we are not editing a new file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2874 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2875 if (lines_moved || in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2876 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2877 if (!newfile && db_idx >= 0 && in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2878 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2879 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2880
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2881 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2882 * flush the old data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2883 * set ml_locked_lineadd to 0, because the updating of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2884 * pointer blocks is done below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2885 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2886 lineadd = buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2887 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2888 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2889
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2890 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891 * update pointer blocks for the new data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 pb_idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2899 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2900 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2901 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2903 EMSG(_("E317: pointer block id wrong 3"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2904 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2905 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2906 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 * TODO: If the pointer block is full and we are adding at the end
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 * try to insert in front of the next block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2911 /* block not full, add one entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2912 if (pp->pb_count < pp->pb_count_max)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2913 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2914 if (pb_idx + 1 < (int)pp->pb_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2915 mch_memmove(&pp->pb_pointer[pb_idx + 2],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2916 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2917 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2918 ++pp->pb_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2919 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2920 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2921 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2922 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2923 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2924 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2925
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2926 if (lnum_left != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2927 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2928 if (lnum_right != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2929 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2930
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2931 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2932 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2933
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2934 if (lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2935 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2936 --(buf->b_ml.ml_stack_top);
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
2937 /* fix line count for rest of blocks in the stack */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2938 ml_lineadd(buf, lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2939 /* fix stack itself */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2940 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2941 lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2942 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2943 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2944
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2945 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2946 * We are finished, break the loop here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2947 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2948 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2949 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2950 else /* pointer block full */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2951 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2952 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2953 * split the pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2954 * allocate a new pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2955 * move some of the pointer into the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2956 * prepare for updating the parent block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2957 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2958 for (;;) /* do this twice when splitting block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2959 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2960 hp_new = ml_new_ptr(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2961 if (hp_new == NULL) /* TODO: try to fix tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2962 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2963 pp_new = (PTR_BL *)(hp_new->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2964
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2965 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2966 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2967
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2968 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2969 * if block 1 becomes full the tree is given an extra level
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2970 * The pointers from block 1 are moved into the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2971 * block 1 is updated to point to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2972 * then continue to split the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2973 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2974 mch_memmove(pp_new, pp, (size_t)page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981 hp = hp_new; /* new block is to be split */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2982 pp = pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 CHECK(stack_idx != 0, _("stack_idx should be 0"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 ip->ip_index = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2985 ++stack_idx; /* do block 1 again later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2986 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 * move the pointers after the current one to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989 * If there are none, the new entry will be in the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991 total_moved = pp->pb_count - pb_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992 if (total_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 mch_memmove(&pp_new->pb_pointer[0],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 (size_t)(total_moved) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 pp_new->pb_count = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 pp->pb_count -= total_moved - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3002 if (lnum_right)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3003 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3004 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3005 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3006 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3007 pp_new->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3008 pp_new->pb_pointer[0].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3009 pp_new->pb_pointer[0].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3010 pp_new->pb_pointer[0].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3011 pp_new->pb_pointer[0].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3012 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3013 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3014 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3015 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3016 if (lnum_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3017 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3018 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3019 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3020
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3021 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3022 * recompute line counts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3023 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3024 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3025 for (i = 0; i < (int)pp_new->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3026 line_count_right += pp_new->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3027 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3028 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3029 line_count_left += pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3030
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3031 bnum_left = hp->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3032 bnum_right = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3033 page_count_left = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3034 page_count_right = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3035 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3036 mf_put(mfp, hp_new, TRUE, FALSE);
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3040 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3041 * Safety check: fallen out of for loop?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3042 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3043 if (stack_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3044 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3045 EMSG(_("E318: Updated too many blocks?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3046 buf->b_ml.ml_stack_top = 0; /* invalidate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3047 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3048 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3049
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3050 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3051 /* The line was inserted below 'lnum' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3052 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3053 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3054 #ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
3055 if (netbeans_active())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3056 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3057 if (STRLEN(line) > 0)
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
3058 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, (int)STRLEN(line));
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
3059 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3060 (char_u *)"\n", 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3061 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3062 #endif
8493
caed4b2d305f commit https://github.com/vim/vim/commit/509ce2a558e7e0c03242e32e844255af52f1c821
Christian Brabandt <cb@256bit.org>
parents: 8422
diff changeset
3063 #ifdef FEAT_JOB_CHANNEL
8422
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3064 if (buf->b_write_to_channel)
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3065 channel_write_new_lines(buf);
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3066 #endif
5d2c84be23b5 commit https://github.com/vim/vim/commit/99ef06296f3c37490511c03786a2c8672e015c56
Christian Brabandt <cb@256bit.org>
parents: 8212
diff changeset
3067
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3068 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3069 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3070
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3071 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
3072 * Replace line lnum, with buffering, in current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3073 *
720
e180933b876a updated for version 7.0219
vimboss
parents: 714
diff changeset
3074 * 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
3075 * copied to allocated memory already.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3076 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3077 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3078 * changed_lines(), unless update_screen(NOT_VALID) is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3079 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3080 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3081 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3082 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3083 ml_replace(linenr_T lnum, char_u *line, int copy)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3084 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3085 if (line == NULL) /* just checking... */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3086 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3087
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3088 /* 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
3089 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL, 0) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3090 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3091
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3092 if (copy && (line = vim_strsave(line)) == NULL) /* allocate memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3093 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3094 #ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
3095 if (netbeans_active())
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3096 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3097 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum)));
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
3098 netbeans_inserted(curbuf, lnum, 0, line, (int)STRLEN(line));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3099 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3100 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3101 if (curbuf->b_ml.ml_line_lnum != lnum) /* other line buffered */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3102 ml_flush_line(curbuf); /* flush it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3103 else if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) /* same line allocated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3104 vim_free(curbuf->b_ml.ml_line_ptr); /* free it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3105 curbuf->b_ml.ml_line_ptr = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3106 curbuf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3107 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
3108
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3109 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3110 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3111
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3112 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
3113 * Delete line 'lnum' in the current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3114 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3115 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3116 * deleted_lines() after this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3117 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3118 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3119 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3120 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3121 ml_delete(linenr_T lnum, int message)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3122 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3123 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3124 return ml_delete_int(curbuf, lnum, message);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3125 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3126
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3127 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3128 ml_delete_int(buf_T *buf, linenr_T lnum, int message)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3129 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3130 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3131 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3132 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3133 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3134 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3135 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3136 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3137 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3138 int text_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3139 int line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3140 long line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3141 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3142
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3143 if (lnum < 1 || lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3144 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3145
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3146 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3147 lowest_marked--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3148
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3149 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3150 * If the file becomes empty the last line is replaced by an empty line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3151 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3152 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3153 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3154 if (message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3155 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3156 && !netbeansSuppressNoLines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3157 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3158 )
680
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
3159 set_keep_msg((char_u *)_(no_lines_msg), 0);
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
3160
4352
04736b4030ec updated for version 7.3.925
Bram Moolenaar <bram@vim.org>
parents: 3839
diff changeset
3161 /* FEAT_BYTEOFF already handled in there, don't worry 'bout it below */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3163 buf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3165 return i;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3169 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3170 * 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
3171 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3172 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3173 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3174 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3175 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3176
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3177 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3178 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3179
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3180 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3181 /* compute line count before the delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3182 count = (long)(buf->b_ml.ml_locked_high)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3183 - (long)(buf->b_ml.ml_locked_low) + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3184 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3185
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3186 --buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3187
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3188 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3189 if (idx == 0) /* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3190 line_size = dp->db_txt_end - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3191 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3192 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3193
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3194 #ifdef FEAT_NETBEANS_INTG
2210
8c6a66e2b3cc Add :nbstart and :nbclose.
Bram Moolenaar <bram@vim.org>
parents: 2162
diff changeset
3195 if (netbeans_active())
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
3196 netbeans_removed(buf, lnum, 0, (long)line_size);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3197 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3198
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3199 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3200 * 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
3201 * Then we have to remove the entry, pointing to this data block, from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3202 * pointer block. If this pointer block also becomes empty, we go up another
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3203 * block, and so on, up to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3204 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3205 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3206 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3207 if (count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3208 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3209 mf_free(mfp, hp); /* free the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3210 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3211
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
3212 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
3213 --stack_idx)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3214 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3215 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3216 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3217 idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3218 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3219 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3220 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3221 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3222 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3223 EMSG(_("E317: pointer block id wrong 4"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3224 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3225 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3226 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3227 count = --(pp->pb_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3228 if (count == 0) /* the pointer block becomes empty! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3229 mf_free(mfp, hp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3230 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3231 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3232 if (count != idx) /* move entries after the deleted one */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3234 (size_t)(count - idx) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3237 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3238 /* fix line count for rest of blocks in the stack */
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3239 if (buf->b_ml.ml_locked_lineadd != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 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
3243 buf->b_ml.ml_locked_lineadd;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 CHECK(stack_idx < 0, _("deleted block 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 * delete the text by moving the next lines forwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 text_start = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258 mch_memmove((char *)dp + text_start + line_size,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 (char *)dp + text_start, (size_t)(line_start - text_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 * delete the index by moving the next indexes backwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263 * Adjust the indexes for the text movement.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 for (i = idx; i < count - 1; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266 dp->db_index[i] = dp->db_index[i + 1] + line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 dp->db_free += line_size + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 dp->db_txt_start += line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270 --(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 * mark the block dirty and make sure it is in the file (for recovery)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 return OK;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 * set the B_MARKED flag for line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3288 ml_setmarked(linenr_T lnum)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 || curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297 if (lowest_marked == 0 || lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 lowest_marked = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3302 * 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
3303 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3305 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3307
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3308 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3309 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3310 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314 * find the first line with its B_MARKED flag set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3315 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3316 linenr_T
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3317 ml_firstmarked(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3319 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3321 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3324 if (curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3326
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3328 * The search starts with lowest_marked line. This is the last line where
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329 * a mark was found, adjusted by inserting/deleting lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3330 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3331 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3332 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3333 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3334 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3335 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3336 * block This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3337 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3338 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3339 return (linenr_T)0; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3340
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3341 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3343 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3344 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3345 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3346 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3347 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3348 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3349 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3350 return lnum;
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3354 return (linenr_T) 0;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3358 * clear all DB_MARKED flags
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3359 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3360 void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3361 ml_clearmarked(void)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3362 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3363 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3364 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3365 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3366 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3367
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3368 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3369 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3370
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3371 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3372 * The search starts with line lowest_marked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3373 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3374 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3375 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3376 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3377 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3378 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3379 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3380 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3381 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3382 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3383
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3384 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3385
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3386 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3387 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3388 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3390 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3391 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3395 lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 return;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 * flush ml_line if necessary
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3402 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3403 ml_flush_line(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3404 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3406 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3407 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3408 char_u *new_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3409 char_u *old_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3410 colnr_T new_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411 int old_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412 int extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 int start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 int i;
2075
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3417 static int entered = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 if (buf->b_ml.ml_flags & ML_LINE_DIRTY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3423 {
2075
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3424 /* 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
3425 * when obtaining the cursor position. */
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3426 if (entered)
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3427 return;
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3428 entered = TRUE;
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3429
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430 lnum = buf->b_ml.ml_line_lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3431 new_line = buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3432
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3433 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3434 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3435 EMSGN(_("E320: Cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3436 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3437 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3438 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3439 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3440 start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3441 old_line = (char_u *)dp + start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3442 if (idx == 0) /* line is last in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3443 old_len = dp->db_txt_end - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3444 else /* text of previous line follows */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3445 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3446 new_len = (colnr_T)STRLEN(new_line) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3447 extra = new_len - old_len; /* negative if lines gets smaller */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3448
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3449 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3450 * if new line fits in data block, replace directly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3451 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3452 if ((int)dp->db_free >= extra)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3453 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3454 /* if the length changes and there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3455 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3456 if (extra != 0 && idx < count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3457 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3458 /* move text of following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3459 mch_memmove((char *)dp + dp->db_txt_start - extra,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3460 (char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3461 (size_t)(start - dp->db_txt_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3462
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3463 /* adjust pointers of this and following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3464 for (i = idx + 1; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3465 dp->db_index[i] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3466 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3467 dp->db_index[idx] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3468
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3469 /* adjust free space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3470 dp->db_free -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3471 dp->db_txt_start -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3472
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3473 /* copy new line into the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3474 mch_memmove(old_line - extra, new_line, (size_t)new_len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3475 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3476 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3477 /* The else case is already covered by the insert and delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3478 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3479 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3480 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3481 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3482 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3483 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3484 * Cannot do it in one data block: Delete and append.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3485 * Append first, because ml_delete_int() cannot delete the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3486 * last line in a buffer, which causes trouble for a buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3487 * that has only one line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3488 * Don't forget to copy the mark!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3489 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3490 /* How about handling errors??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3491 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3492 (dp->db_index[idx] & DB_MARKED));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3493 (void)ml_delete_int(buf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3494 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3495 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3496 vim_free(new_line);
2075
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3497
903fcd726d90 updated for version 7.2.359
Bram Moolenaar <bram@zimbu.org>
parents: 2003
diff changeset
3498 entered = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3499 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3500
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3501 buf->b_ml.ml_line_lnum = 0;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3505 * create a new, empty, data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3506 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3507 static bhdr_T *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3508 ml_new_data(memfile_T *mfp, int negative, int page_count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3509 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3510 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3511 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3512
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3513 if ((hp = mf_new(mfp, negative, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3514 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3515
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517 dp->db_id = DATA_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3518 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3519 dp->db_free = dp->db_txt_start - HEADER_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3520 dp->db_line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3521
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3522 return hp;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3526 * create a new, empty, pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3527 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3528 static bhdr_T *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3529 ml_new_ptr(memfile_T *mfp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3530 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3532 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3533
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3534 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3535 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3536
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3537 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3538 pp->pb_id = PTR_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3539 pp->pb_count = 0;
2240
6b4879aea261 Add test for gettabvar() and settabvar().
Bram Moolenaar <bram@vim.org>
parents: 2221
diff changeset
3540 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
3541 / sizeof(PTR_EN) + 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3542
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 return hp;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3547 * lookup line 'lnum' in a memline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3548 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3549 * action: if ML_DELETE or ML_INSERT the line count is updated while searching
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3550 * if ML_FLUSH only flush a locked block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3551 * if ML_FIND just find the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3552 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3553 * If the block was found it is locked and put in ml_locked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3554 * 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
3555 * the stack is updated to reflect the last line in the block AFTER the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3556 * 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
3557 * if ml_locked != NULL ml_locked_lineadd must be added to ip_high.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3558 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 * return: NULL for failure, pointer to block header otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3561 static bhdr_T *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3562 ml_find_line(buf_T *buf, linenr_T lnum, int action)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3563 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3564 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3565 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3566 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3567 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3568 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3569 linenr_T t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3570 blocknr_T bnum, bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3571 int dirty;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3572 linenr_T low, high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3573 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3574 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3575 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3576
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3577 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3578
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3579 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3580 * If there is a locked block check if the wanted line is in it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3581 * If not, flush and release the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3582 * 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
3583 * 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
3584 * 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
3585 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3586 if (buf->b_ml.ml_locked)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3587 {
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3588 if (ML_SIMPLE(action)
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3589 && buf->b_ml.ml_locked_low <= lnum
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3590 && buf->b_ml.ml_locked_high >= lnum
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3591 && !mf_dont_release)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3592 {
1066
bffbbb566d6b updated for version 7.0-192
vimboss
parents: 1054
diff changeset
3593 /* remember to update pointer blocks and stack later */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3594 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3595 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3596 ++(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3597 ++(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3598 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3599 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3600 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3601 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3602 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3603 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3604 return (buf->b_ml.ml_locked);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3605 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3606
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3607 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
3608 buf->b_ml.ml_flags & ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3609 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3610
1167
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3611 /*
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3612 * If lines have been added or deleted in the locked block, need to
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3613 * update the line count in pointer blocks.
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3614 */
cd26a75826d3 updated for version 7.1a
vimboss
parents: 1105
diff changeset
3615 if (buf->b_ml.ml_locked_lineadd != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3616 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3617 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3618
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3619 if (action == ML_FLUSH) /* nothing else to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3620 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3621
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3622 bnum = 1; /* start at the root of the tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3623 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3624 low = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3625 high = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3626
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3627 if (action == ML_FIND) /* first try stack entries */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3628 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3629 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3630 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3631 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3632 if (ip->ip_low <= lnum && ip->ip_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3633 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3634 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3635 low = ip->ip_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3636 high = ip->ip_high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3637 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3638 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3639 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3640 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3641 if (top < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3642 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3643 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3644 else /* ML_DELETE or ML_INSERT */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3645 buf->b_ml.ml_stack_top = 0; /* start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3646
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3647 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3648 * search downwards in the tree until a data block is found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3649 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3650 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3651 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3652 if ((hp = mf_get(mfp, bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3653 goto error_noblock;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3654
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3655 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3656 * update high for insert/delete
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3657 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3658 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3659 ++high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3660 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3661 --high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3662
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3663 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3664 if (dp->db_id == DATA_ID) /* data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3665 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3666 buf->b_ml.ml_locked = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3667 buf->b_ml.ml_locked_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3668 buf->b_ml.ml_locked_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3669 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3670 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3671 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3672 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3673
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3674 pp = (PTR_BL *)(dp); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3675 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3676 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3677 EMSG(_("E317: pointer block id wrong"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3678 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3679 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3680
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3681 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3682 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3683 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3684 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3685 ip->ip_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3686 ip->ip_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3687 ip->ip_index = -1; /* index not known yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3688
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3689 dirty = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3690 for (idx = 0; idx < (int)pp->pb_count; ++idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3691 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3692 t = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3693 CHECK(t == 0, _("pe_line_count is zero"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3694 if ((low += t) > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3695 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3696 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3697 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3698 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3699 high = low - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3700 low -= t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3701
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3702 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3703 * a negative block number may have been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3704 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3705 if (bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3706 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3707 bnum2 = mf_trans_del(mfp, bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3708 if (bnum != bnum2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3709 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3710 bnum = bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3711 pp->pb_pointer[idx].pe_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3712 dirty = TRUE;
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3716 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3717 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3718 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3719 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3720 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3721 if (lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3722 EMSGN(_("E322: line number out of range: %ld past the end"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3723 lnum - buf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3724
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3725 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3726 EMSGN(_("E323: line count wrong in block %ld"), bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3727 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3728 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3729 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3730 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3731 pp->pb_pointer[idx].pe_line_count--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3732 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3733 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3734 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3735 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3736 pp->pb_pointer[idx].pe_line_count++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3737 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3738 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3739 mf_put(mfp, hp, dirty, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3740 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3741
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3742 error_block:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3743 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3744 error_noblock:
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3745 /*
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3746 * 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
3747 * 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
3748 * inserted/deleted after all.
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3749 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3750 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3751 ml_lineadd(buf, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3752 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3753 ml_lineadd(buf, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3754 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3755 return NULL;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3759 * add an entry to the info pointer stack
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3760 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3761 * return -1 for failure, number of the new entry otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3762 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3763 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3764 ml_add_stack(buf_T *buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3765 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3766 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3767 infoptr_T *newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3768
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3769 top = buf->b_ml.ml_stack_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3770
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3771 /* may have to increase the stack size */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3772 if (top == buf->b_ml.ml_stack_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3773 {
2267
c08f91142c41 Crypt the swapfile.
Bram Moolenaar <bram@vim.org>
parents: 2241
diff changeset
3774 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3775
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3776 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3777 (buf->b_ml.ml_stack_size + STACK_INCR));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3778 if (newstack == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3779 return -1;
6989
c0a23e04c929 patch 7.4.812
Bram Moolenaar <bram@vim.org>
parents: 6933
diff changeset
3780 if (top > 0)
c0a23e04c929 patch 7.4.812
Bram Moolenaar <bram@vim.org>
parents: 6933
diff changeset
3781 mch_memmove(newstack, buf->b_ml.ml_stack,
1624
18ee39301b82 updated for version 7.2a
vimboss
parents: 1228
diff changeset
3782 (size_t)top * sizeof(infoptr_T));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3783 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3784 buf->b_ml.ml_stack = newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3785 buf->b_ml.ml_stack_size += STACK_INCR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3786 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3787
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3788 buf->b_ml.ml_stack_top++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3789 return top;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3793 * Update the pointer blocks on the stack for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3794 * The stack itself is also updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3795 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3796 * When a insert/delete line action fails, the line is not inserted/deleted,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3797 * but the pointer blocks have already been updated. That is fixed here by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3798 * walking through the stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3799 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3800 * Count is the number of lines added, negative if lines have been deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3801 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3802 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3803 ml_lineadd(buf_T *buf, int count)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3804 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3805 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3806 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3807 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3808 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3809 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3810
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3811 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3812 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3813 ip = &(buf->b_ml.ml_stack[idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3814 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3815 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3816 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3817 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3818 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3819 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3820 EMSG(_("E317: pointer block id wrong 2"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3821 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3822 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3823 pp->pb_pointer[ip->ip_index].pe_line_count += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3824 ip->ip_high += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3825 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3826 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3827 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3828
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
3829 #if defined(HAVE_READLINK) || defined(PROTO)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3830 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3831 * Resolve a symlink in the last component of a file name.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3832 * 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
3833 * here.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3834 * If it worked returns OK and the resolved link in "buf[MAXPATHL]".
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3835 * Otherwise returns FAIL.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3836 */
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
3837 int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3838 resolve_symlink(char_u *fname, char_u *buf)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3839 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3840 char_u tmp[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3841 int ret;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3842 int depth = 0;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3843
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3844 if (fname == NULL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3845 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3846
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3847 /* Put the result so far in tmp[], starting with the original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3848 vim_strncpy(tmp, fname, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3849
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3850 for (;;)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3851 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3852 /* Limit symlink depth to 100, catch recursive loops. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3853 if (++depth == 100)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3854 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3855 EMSG2(_("E773: Symlink loop for \"%s\""), fname);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3856 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3857 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3858
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3859 ret = readlink((char *)tmp, (char *)buf, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3860 if (ret <= 0)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3861 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3862 if (errno == EINVAL || errno == ENOENT)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3863 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3864 /* Found non-symlink or not existing file, stop here.
1855
6f12c4eae4f6 updated for version 7.2-153
vimboss
parents: 1668
diff changeset
3865 * When at the first level use the unmodified name, skip the
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3866 * call to vim_FullName(). */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3867 if (depth == 1)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3868 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3869
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3870 /* Use the resolved name in tmp[]. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3871 break;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3872 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3873
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3874 /* There must be some error reading links, use original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3875 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3876 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3877 buf[ret] = NUL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3878
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3879 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3880 * Check whether the symlink is relative or absolute.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3881 * If it's relative, build a new path based on the directory
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3882 * portion of the filename (if any) and the path the symlink
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3883 * points to.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3884 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3885 if (mch_isFullName(buf))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3886 STRCPY(tmp, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3887 else
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3888 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3889 char_u *tail;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3890
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3891 tail = gettail(tmp);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3892 if (STRLEN(tail) + STRLEN(buf) >= MAXPATHL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3893 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3894 STRCPY(tail, buf);
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 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3899 * 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
3900 * be consistent even when opening a relative symlink from different
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3901 * working directories.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3902 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3903 return vim_FullName(tmp, buf, MAXPATHL, TRUE);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3904 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3905 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3906
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3907 /*
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3908 * Make swap file name out of the file name and a directory name.
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3909 * Returns pointer to allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3910 */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3911 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3912 makeswapname(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3913 char_u *fname,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3914 char_u *ffname UNUSED,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3915 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3916 char_u *dir_name)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3917 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3918 char_u *r, *s;
2145
de0e7ca61893 updated for version 7.2.427
Bram Moolenaar <bram@zimbu.org>
parents: 2108
diff changeset
3919 char_u *fname_res = fname;
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3920 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3921 char_u fname_buf[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3922 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3923
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3924 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3925 s = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3926 if (after_pathsep(dir_name, s) && s[-1] == s[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3927 { /* Ends with '//', Use Full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3928 r = NULL;
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3929 if ((s = make_percent_swname(dir_name, fname)) != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3930 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3931 r = modname(s, (char_u *)".swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3932 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3933 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3934 return r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3935 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3936 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3937
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3938 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3939 /* 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
3940 * actual file instead of with the symlink. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3941 if (resolve_symlink(fname, fname_buf) == OK)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3942 fname_res = fname_buf;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3943 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3944
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3945 r = buf_modname(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3946 (buf->b_p_sn || buf->b_shortname),
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3947 fname_res,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3948 (char_u *)
2823
8bd38abda314 updated for version 7.3.187
Bram Moolenaar <bram@vim.org>
parents: 2703
diff changeset
3949 #if defined(VMS)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3950 "_swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3951 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3952 ".swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3953 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3954 /* 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
3955 dir_name[0] == '.' && dir_name[1] == NUL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3956 if (r == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3957 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3958
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3959 s = get_file_in_dir(r, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3960 vim_free(r);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3961 return s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3962 }
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 * Get file name to use for swap file or backup file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3966 * 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
3967 * option "dname".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3968 * - If "dname" is ".", return "fname" (swap file in dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3969 * - If "dname" starts with "./", insert "dname" in "fname" (swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3970 * relative to dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3971 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3972 * dir).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3973 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3974 * The return value is an allocated string and can be NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3975 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3976 char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3977 get_file_in_dir(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3978 char_u *fname,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
3979 char_u *dname) /* don't use "dirname", it is a global for Alpha */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3980 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3981 char_u *t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3982 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3983 char_u *retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3984 int save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3985
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3986 tail = gettail(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3987
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3988 if (dname[0] == '.' && dname[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3989 retval = vim_strsave(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3990 else if (dname[0] == '.' && vim_ispathsep(dname[1]))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3991 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3992 if (tail == fname) /* no path before file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3993 retval = concat_fnames(dname + 2, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3994 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3995 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3996 save_char = *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3997 *tail = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3998 t = concat_fnames(fname, dname + 2, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3999 *tail = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4000 if (t == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4001 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4002 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4003 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4004 retval = concat_fnames(t, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4005 vim_free(t);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4006 }
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 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4010 retval = concat_fnames(dname, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4011
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4012 #ifdef WIN3264
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4013 if (retval != NULL)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4014 for (t = gettail(retval); *t != NUL; mb_ptr_adv(t))
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4015 if (*t == ':')
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4016 *t = '%';
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4017 #endif
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4018
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4019 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4020 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4021
7803
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents: 7410
diff changeset
4022 static void attention_message(buf_T *buf, char_u *fname);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4023
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4024 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4025 * Print the ATTENTION message: info about an existing swap file.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4026 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4027 static void
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4028 attention_message(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4029 buf_T *buf, /* buffer being edited */
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4030 char_u *fname) /* swap file name */
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4031 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4032 stat_T st;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4033 time_t x, sx;
1001
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4034 char *p;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4035
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4036 ++no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4037 (void)EMSG(_("E325: ATTENTION"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4038 MSG_PUTS(_("\nFound a swap file by the name \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4039 msg_home_replace(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4040 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4041 sx = swapfile_info(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4042 MSG_PUTS(_("While opening file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4043 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4044 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4045 if (mch_stat((char *)buf->b_fname, &st) != -1)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4046 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4047 MSG_PUTS(_(" dated: "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4048 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
4049 p = ctime(&x); /* includes '\n' */
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4050 if (p == NULL)
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4051 MSG_PUTS("(invalid)\n");
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4052 else
1de53700b1d9 updated for version 7.0-127
vimboss
parents: 944
diff changeset
4053 MSG_PUTS(p);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4054 if (sx != 0 && x > sx)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4055 MSG_PUTS(_(" NEWER than swap file!\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4056 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4057 /* Some of these messages are long to allow translation to
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4058 * other languages. */
7881
e7afe45a202a commit https://github.com/vim/vim/commit/d9ea9069f5ef5b8b9f9e0d0daecdd124e2dcd818
Christian Brabandt <cb@256bit.org>
parents: 7827
diff changeset
4059 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
4060 MSG_PUTS(_("(2) An edit session for this file crashed.\n"));
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4061 MSG_PUTS(_(" If this is the case, use \":recover\" or \"vim -r "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4062 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4063 MSG_PUTS(_("\"\n to recover the changes (see \":help recovery\").\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4064 MSG_PUTS(_(" If you did this already, delete the swap file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4065 msg_outtrans(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4066 MSG_PUTS(_("\"\n to avoid this message.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4067 cmdline_row = msg_row;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4068 --no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4069 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4070
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4071 #ifdef FEAT_AUTOCMD
7803
37c929c4a073 commit https://github.com/vim/vim/commit/92b8b2d307e34117f146319872010b0ccc9d2713
Christian Brabandt <cb@256bit.org>
parents: 7410
diff changeset
4072 static int do_swapexists(buf_T *buf, char_u *fname);
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4073
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4074 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4075 * Trigger the SwapExists autocommands.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4076 * Returns a value for equivalent to do_dialog() (see below):
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4077 * 0: still need to ask for a choice
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4078 * 1: open read-only
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4079 * 2: edit anyway
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4080 * 3: recover
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4081 * 4: delete it
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4082 * 5: quit
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4083 * 6: abort
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4084 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4085 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4086 do_swapexists(buf_T *buf, char_u *fname)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4087 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4088 set_vim_var_string(VV_SWAPNAME, fname, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4089 set_vim_var_string(VV_SWAPCHOICE, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4090
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4091 /* Trigger SwapExists autocommands with <afile> set to the file being
1856
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4092 * edited. Disallow changing directory here. */
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4093 ++allbuf_lock;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4094 apply_autocmds(EVENT_SWAPEXISTS, buf->b_fname, NULL, FALSE, NULL);
1856
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4095 --allbuf_lock;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4096
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4097 set_vim_var_string(VV_SWAPNAME, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4098
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4099 switch (*get_vim_var_str(VV_SWAPCHOICE))
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4100 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4101 case 'o': return 1;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4102 case 'e': return 2;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4103 case 'r': return 3;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4104 case 'd': return 4;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4105 case 'q': return 5;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4106 case 'a': return 6;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4107 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4108
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4109 return 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4110 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4111 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4112
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4113 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4114 * Find out what name to use for the swap file for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4115 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4116 * Several names are tried to find one that does not exist
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
4117 * 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
4118 * When out of memory "dirp" is set to NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4119 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4120 * 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
4121 * not being able to open the swap or undo file
1856
0e45a0c50aca updated for version 7.2-154
vimboss
parents: 1855
diff changeset
4122 * Note: May trigger SwapExists autocmd, pointers may change!
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4123 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4124 static char_u *
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4125 findswapname(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4126 buf_T *buf,
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4127 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
4128 char_u *old_fname) /* don't give warning for this file name */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4129 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4130 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4131 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4132 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4133 #ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4134 BPTR fh;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4135 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4136 int r;
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4137 char_u *buf_fname = buf->b_fname;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4138
8212
05b88224cea1 commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents: 7961
diff changeset
4139 #if !defined(UNIX)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4140 # define CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4141 FILE *dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4142
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4143 # ifdef WIN3264
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4144 if (buf_fname != NULL && !mch_isFullName(buf_fname)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4145 && vim_strchr(gettail(buf_fname), ':'))
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4146 {
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4147 char_u *t;
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4148
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4149 buf_fname = vim_strsave(buf_fname);
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4150 if (buf_fname == NULL)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4151 buf_fname = buf->b_fname;
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4152 else
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4153 for (t = gettail(buf_fname); *t != NUL; mb_ptr_adv(t))
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4154 if (*t == ':')
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4155 *t = '%';
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4156 }
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4157 # endif
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4158
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4159 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4160 * 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
4161 * 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
4162 * "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
4163 * 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
4164 * 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
4165 */
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4166 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
4167 && mch_getperm(buf_fname) < 0)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4168 dummyfd = mch_fopen((char *)buf_fname, "w");
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4169 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4170
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4171 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4172 * 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
4173 * 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
4174 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4175 dir_name = alloc((unsigned)STRLEN(*dirp) + 1);
3158
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4176 if (dir_name == NULL)
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4177 *dirp = NULL;
075acc2dccaa updated for version 7.3.349
Bram Moolenaar <bram@vim.org>
parents: 2885
diff changeset
4178 else
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4179 (void)copy_option_part(dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4180
2214
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4181 /*
f8222d1f9a73 Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents: 2210
diff changeset
4182 * 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
4183 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4184 if (dir_name == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4185 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4186 else
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4187 fname = makeswapname(buf_fname, buf->b_ffname, buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4188
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4189 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4190 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4191 if (fname == NULL) /* must be out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4192 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4193 if ((n = (int)STRLEN(fname)) == 0) /* safety check */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4194 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4195 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4196 fname = NULL;
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
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4451 #ifdef FEAT_AUTOCMD
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"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4576 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4577 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4578 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4579 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4580 --fname[n - 2]; /* ".svz", ".suz", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4581 fname[n - 1] = 'z' + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4582 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4583 --fname[n - 1]; /* ".swo", ".swn", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4584 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4585
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4586 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4587 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4588 if (dummyfd != NULL) /* file has been created temporarily */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4589 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4590 fclose(dummyfd);
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4591 mch_remove(buf_fname);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4592 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4593 #endif
5432
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4594 #ifdef WIN3264
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4595 if (buf_fname != buf->b_fname)
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4596 vim_free(buf_fname);
38b948f534e4 updated for version 7.4.066
Bram Moolenaar <bram@vim.org>
parents: 4352
diff changeset
4597 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4598 return fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4599 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4600
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4601 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4602 b0_magic_wrong(ZERO_BL *b0p)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4603 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4604 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4605 || b0p->b0_magic_int != (int)B0_MAGIC_INT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4606 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4607 || b0p->b0_magic_char != B0_MAGIC_CHAR);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4608 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4609
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4610 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4611 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4612 * Compare current file name with file name from swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4613 * Try to use inode numbers when possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4614 * Return non-zero when files are different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4615 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4616 * When comparing file names a few things have to be taken into consideration:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4617 * - 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
4618 * We check the inode number if possible. It is not 100% reliable though,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4619 * because the device number cannot be used over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4620 * - 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
4621 * number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4622 * - 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
4623 * "~user" form is used whenever possible to avoid this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4624 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4625 * This is getting complicated, let's make a table:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4626 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4627 * ino_c ino_s fname_c fname_s differ =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4628 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4629 * both files exist -> compare inode numbers:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4630 * != 0 != 0 X X ino_c != ino_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4631 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4632 * inode number(s) unknown, file names available -> compare file names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4633 * == 0 X OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4634 * X == 0 OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4635 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4636 * current file doesn't exist, file for swap file exist, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4637 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4638 * == 0 != 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4639 * == 0 != 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4640 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4641 * current file exists, inode for swap unknown, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4642 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4643 * != 0 == 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4644 * != 0 == 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4645 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4646 * current file doesn't exist, inode for swap unknown, one file name not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4647 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4648 * == 0 == 0 FAIL OK TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4649 * == 0 == 0 OK FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4650 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4651 * current file doesn't exist, inode for swap unknown, both file names not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4652 * available -> probably same file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4653 * == 0 == 0 FAIL FAIL FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4654 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4655 * 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
4656 * can't be changed without making the block 0 incompatible with 32 bit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4657 * versions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4658 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4659
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4660 static int
7827
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4661 fnamecmp_ino(
41789f16d6b2 commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents: 7803
diff changeset
4662 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
4663 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
4664 long ino_block0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4665 {
9387
f094d4085014 commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents: 9295
diff changeset
4666 stat_T st;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4667 ino_t ino_c = 0; /* ino of current file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4668 ino_t ino_s; /* ino of file from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4669 char_u buf_c[MAXPATHL]; /* full path of fname_c */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4670 char_u buf_s[MAXPATHL]; /* full path of fname_s */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4671 int retval_c; /* flag: buf_c valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4672 int retval_s; /* flag: buf_s valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4673
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4674 if (mch_stat((char *)fname_c, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4675 ino_c = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4676
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4677 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4678 * 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
4679 * 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
4680 * valid on this machine), use the inode from block 0.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4681 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4682 if (mch_stat((char *)fname_s, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4683 ino_s = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4684 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4685 ino_s = (ino_t)ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4686
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4687 if (ino_c && ino_s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4688 return (ino_c != ino_s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4689
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4690 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4691 * One of the inode numbers is unknown, try a forced vim_FullName() and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4692 * compare the file names.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4693 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4694 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4695 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4696 if (retval_c == OK && retval_s == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4697 return (STRCMP(buf_c, buf_s) != 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4698
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4699 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4700 * Can't compare inodes or file names, guess that the files are different,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4701 * unless both appear not to exist at all.
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)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4704 return FALSE;
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