annotate src/memline.c @ 821:a2b128f7d705 v7.0c11

updated for version 7.0c11
author vimboss
date Thu, 06 Apr 2006 20:21:51 +0000
parents d8f905020502
children 8bebcabccc2c
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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 #if defined(MSDOS) || defined(WIN32) || defined(_WIN64)
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46 # include "vimio.h"
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47 #endif
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48
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49 #include "vim.h"
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50
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51 #ifdef HAVE_FCNTL_H
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52 # include <fcntl.h>
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53 #endif
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54 #ifndef UNIX /* it's in os_unix.h for Unix */
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55 # include <time.h>
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56 #endif
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57
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58 #ifdef SASC
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59 # include <proto/dos.h> /* for Open() and Close() */
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60 #endif
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61
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62 typedef struct block0 ZERO_BL; /* contents of the first block */
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63 typedef struct pointer_block PTR_BL; /* contents of a pointer block */
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64 typedef struct data_block DATA_BL; /* contents of a data block */
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65 typedef struct pointer_entry PTR_EN; /* block/line-count pair */
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66
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67 #define DATA_ID (('d' << 8) + 'a') /* data block id */
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68 #define PTR_ID (('p' << 8) + 't') /* pointer block id */
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69 #define BLOCK0_ID0 'b' /* block 0 id 0 */
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70 #define BLOCK0_ID1 '0' /* block 0 id 1 */
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71
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72 /*
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73 * pointer to a block, used in a pointer block
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74 */
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75 struct pointer_entry
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76 {
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77 blocknr_T pe_bnum; /* block number */
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78 linenr_T pe_line_count; /* number of lines in this branch */
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79 linenr_T pe_old_lnum; /* lnum for this block (for recovery) */
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80 int pe_page_count; /* number of pages in block pe_bnum */
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81 };
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82
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83 /*
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84 * A pointer block contains a list of branches in the tree.
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85 */
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86 struct pointer_block
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87 {
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88 short_u pb_id; /* ID for pointer block: PTR_ID */
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89 short_u pb_count; /* number of pointer in this block */
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90 short_u pb_count_max; /* maximum value for pb_count */
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91 PTR_EN pb_pointer[1]; /* list of pointers to blocks (actually longer)
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92 * followed by empty space until end of page */
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93 };
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94
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95 /*
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96 * A data block is a leaf in the tree.
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97 *
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98 * The text of the lines is at the end of the block. The text of the first line
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99 * in the block is put at the end, the text of the second line in front of it,
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100 * etc. Thus the order of the lines is the opposite of the line number.
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101 */
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102 struct data_block
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103 {
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104 short_u db_id; /* ID for data block: DATA_ID */
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105 unsigned db_free; /* free space available */
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106 unsigned db_txt_start; /* byte where text starts */
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107 unsigned db_txt_end; /* byte just after data block */
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108 linenr_T db_line_count; /* number of lines in this block */
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109 unsigned db_index[1]; /* index for start of line (actually bigger)
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110 * followed by empty space upto db_txt_start
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111 * followed by the text in the lines until
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112 * end of page */
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113 };
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114
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115 /*
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116 * The low bits of db_index hold the actual index. The topmost bit is
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117 * used for the global command to be able to mark a line.
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118 * This method is not clean, but otherwise there would be at least one extra
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119 * byte used for each line.
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120 * The mark has to be in this place to keep it with the correct line when other
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121 * lines are inserted or deleted.
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122 */
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123 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1))
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124 #define DB_INDEX_MASK (~DB_MARKED)
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125
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126 #define INDEX_SIZE (sizeof(unsigned)) /* size of one db_index entry */
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127 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) /* size of data block header */
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128
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129 #define B0_FNAME_SIZE_ORG 900 /* what it was in older versions */
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130 #define B0_FNAME_SIZE 898
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131 #define B0_UNAME_SIZE 40
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132 #define B0_HNAME_SIZE 40
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133 /*
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134 * Restrict the numbers to 32 bits, otherwise most compilers will complain.
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135 * This won't detect a 64 bit machine that only swaps a byte in the top 32
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136 * bits, but that is crazy anyway.
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137 */
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138 #define B0_MAGIC_LONG 0x30313233L
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139 #define B0_MAGIC_INT 0x20212223L
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140 #define B0_MAGIC_SHORT 0x10111213L
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141 #define B0_MAGIC_CHAR 0x55
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142
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143 /*
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144 * Block zero holds all info about the swap file.
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145 *
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146 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing
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147 * swap files unusable!
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148 *
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149 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!!
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150 *
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151 * This block is built up of single bytes, to make it portable accros
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152 * different machines. b0_magic_* is used to check the byte order and size of
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153 * variables, because the rest of the swap file is not portable.
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154 */
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155 struct block0
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156 {
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157 char_u b0_id[2]; /* id for block 0: BLOCK0_ID0 and BLOCK0_ID1 */
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158 char_u b0_version[10]; /* Vim version string */
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159 char_u b0_page_size[4];/* number of bytes per page */
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160 char_u b0_mtime[4]; /* last modification time of file */
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161 char_u b0_ino[4]; /* inode of b0_fname */
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162 char_u b0_pid[4]; /* process id of creator (or 0) */
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163 char_u b0_uname[B0_UNAME_SIZE]; /* name of user (uid if no name) */
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164 char_u b0_hname[B0_HNAME_SIZE]; /* host name (if it has a name) */
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165 char_u b0_fname[B0_FNAME_SIZE_ORG]; /* name of file being edited */
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166 long b0_magic_long; /* check for byte order of long */
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167 int b0_magic_int; /* check for byte order of int */
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168 short b0_magic_short; /* check for byte order of short */
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169 char_u b0_magic_char; /* check for last char */
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170 };
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171
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172 /*
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173 * Note: b0_dirty and b0_flags are put at the end of the file name. For very
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174 * long file names in older versions of Vim they are invalid.
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175 * The 'fileencoding' comes before b0_flags, with a NUL in front. But only
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176 * when there is room, for very long file names it's omitted.
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177 */
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178 #define B0_DIRTY 0x55
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179 #define b0_dirty b0_fname[B0_FNAME_SIZE_ORG-1]
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180
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181 /*
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182 * The b0_flags field is new in Vim 7.0.
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183 */
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184 #define b0_flags b0_fname[B0_FNAME_SIZE_ORG-2]
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185
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186 /* The lowest two bits contain the fileformat. Zero means it's not set
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187 * (compatible with Vim 6.x), otherwise it's EOL_UNIX + 1, EOL_DOS + 1 or
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188 * EOL_MAC + 1. */
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189 #define B0_FF_MASK 3
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190
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diff changeset
191 /* Swap file is in directory of edited file. Used to find the file from
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diff changeset
192 * different mount points. */
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diff changeset
193 #define B0_SAME_DIR 4
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194
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diff changeset
195 /* The 'fileencoding' is at the end of b0_fname[], with a NUL in front of it.
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196 * When empty there is only the NUL. */
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diff changeset
197 #define B0_HAS_FENC 8
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198
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199 #define STACK_INCR 5 /* nr of entries added to ml_stack at a time */
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200
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diff changeset
201 /*
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parents:
diff changeset
202 * The line number where the first mark may be is remembered.
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203 * If it is 0 there are no marks at all.
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204 * (always used for the current buffer only, no buffer change possible while
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parents:
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205 * executing a global command).
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206 */
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207 static linenr_T lowest_marked = 0;
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208
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209 /*
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parents:
diff changeset
210 * arguments for ml_find_line()
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parents:
diff changeset
211 */
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parents:
diff changeset
212 #define ML_DELETE 0x11 /* delete line */
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213 #define ML_INSERT 0x12 /* insert line */
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214 #define ML_FIND 0x13 /* just find the line */
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parents:
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215 #define ML_FLUSH 0x02 /* flush locked block */
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diff changeset
216 #define ML_SIMPLE(x) (x & 0x10) /* DEL, INS or FIND */
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217
39
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diff changeset
218 static void ml_upd_block0 __ARGS((buf_T *buf, int setfname));
7
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219 static void set_b0_fname __ARGS((ZERO_BL *, buf_T *buf));
39
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diff changeset
220 static void set_b0_dir_flag __ARGS((ZERO_BL *b0p, buf_T *buf));
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parents: 34
diff changeset
221 #ifdef FEAT_MBYTE
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diff changeset
222 static void add_b0_fenc __ARGS((ZERO_BL *b0p, buf_T *buf));
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diff changeset
223 #endif
7
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224 static time_t swapfile_info __ARGS((char_u *));
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225 static int recov_file_names __ARGS((char_u **, char_u *, int prepend_dot));
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226 static int ml_append_int __ARGS((buf_T *, linenr_T, char_u *, colnr_T, int, int));
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227 static int ml_delete_int __ARGS((buf_T *, linenr_T, int));
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228 static char_u *findswapname __ARGS((buf_T *, char_u **, char_u *));
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229 static void ml_flush_line __ARGS((buf_T *));
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230 static bhdr_T *ml_new_data __ARGS((memfile_T *, int, int));
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231 static bhdr_T *ml_new_ptr __ARGS((memfile_T *));
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232 static bhdr_T *ml_find_line __ARGS((buf_T *, linenr_T, int));
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233 static int ml_add_stack __ARGS((buf_T *));
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diff changeset
234 static void ml_lineadd __ARGS((buf_T *, int));
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diff changeset
235 static int b0_magic_wrong __ARGS((ZERO_BL *));
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236 #ifdef CHECK_INODE
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237 static int fnamecmp_ino __ARGS((char_u *, char_u *, long));
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238 #endif
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239 static void long_to_char __ARGS((long, char_u *));
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240 static long char_to_long __ARGS((char_u *));
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241 #if defined(UNIX) || defined(WIN3264)
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242 static char_u *make_percent_swname __ARGS((char_u *dir, char_u *name));
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243 #endif
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244 #ifdef FEAT_BYTEOFF
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245 static void ml_updatechunk __ARGS((buf_T *buf, long line, long len, int updtype));
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246 #endif
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247
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248 /*
625
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249 * Open a new memline for "buf".
7
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250 *
625
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251 * Return FAIL for failure, OK otherwise.
7
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252 */
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253 int
625
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254 ml_open(buf)
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255 buf_T *buf;
7
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256 {
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257 memfile_T *mfp;
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258 bhdr_T *hp = NULL;
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259 ZERO_BL *b0p;
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260 PTR_BL *pp;
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261 DATA_BL *dp;
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262
625
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263 /*
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diff changeset
264 * init fields in memline struct
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265 */
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266 buf->b_ml.ml_stack_size = 0; /* no stack yet */
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267 buf->b_ml.ml_stack = NULL; /* no stack yet */
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268 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
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269 buf->b_ml.ml_locked = NULL; /* no cached block */
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270 buf->b_ml.ml_line_lnum = 0; /* no cached line */
7
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271 #ifdef FEAT_BYTEOFF
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272 buf->b_ml.ml_chunksize = NULL;
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273 #endif
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274
625
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275 /*
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276 * When 'updatecount' is non-zero swap file may be opened later.
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277 */
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278 if (p_uc && buf->b_p_swf)
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279 buf->b_may_swap = TRUE;
7
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280 else
625
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281 buf->b_may_swap = FALSE;
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282
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283 /*
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diff changeset
284 * Open the memfile. No swap file is created yet.
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285 */
7
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286 mfp = mf_open(NULL, 0);
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287 if (mfp == NULL)
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288 goto error;
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289
625
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290 buf->b_ml.ml_mfp = mfp;
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diff changeset
291 buf->b_ml.ml_flags = ML_EMPTY;
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diff changeset
292 buf->b_ml.ml_line_count = 1;
13
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vimboss
parents: 9
diff changeset
293 #ifdef FEAT_LINEBREAK
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parents: 9
diff changeset
294 curwin->w_nrwidth_line_count = 0;
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parents: 9
diff changeset
295 #endif
7
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296
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297 #if defined(MSDOS) && !defined(DJGPP)
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parents:
diff changeset
298 /* for 16 bit MS-DOS create a swapfile now, because we run out of
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parents:
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299 * memory very quickly */
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parents:
diff changeset
300 if (p_uc != 0)
625
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diff changeset
301 ml_open_file(buf);
7
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parents:
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302 #endif
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parents:
diff changeset
303
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vimboss
parents:
diff changeset
304 /*
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vimboss
parents:
diff changeset
305 * fill block0 struct and write page 0
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vimboss
parents:
diff changeset
306 */
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parents:
diff changeset
307 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
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vimboss
parents:
diff changeset
308 goto error;
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vimboss
parents:
diff changeset
309 if (hp->bh_bnum != 0)
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parents:
diff changeset
310 {
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vimboss
parents:
diff changeset
311 EMSG(_("E298: Didn't get block nr 0?"));
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parents:
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312 goto error;
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parents:
diff changeset
313 }
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
314 b0p = (ZERO_BL *)(hp->bh_data);
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parents:
diff changeset
315
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parents:
diff changeset
316 b0p->b0_id[0] = BLOCK0_ID0;
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parents:
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317 b0p->b0_id[1] = BLOCK0_ID1;
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318 b0p->b0_magic_long = (long)B0_MAGIC_LONG;
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vimboss
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319 b0p->b0_magic_int = (int)B0_MAGIC_INT;
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320 b0p->b0_magic_short = (short)B0_MAGIC_SHORT;
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parents:
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321 b0p->b0_magic_char = B0_MAGIC_CHAR;
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vimboss
parents:
diff changeset
322 STRNCPY(b0p->b0_version, "VIM ", 4);
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vimboss
parents:
diff changeset
323 STRNCPY(b0p->b0_version + 4, Version, 6);
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vimboss
parents:
diff changeset
324 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size);
625
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diff changeset
325
800
d8f905020502 updated for version 7.0b
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parents: 748
diff changeset
326 #ifdef FEAT_SPELL
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327 if (!buf->b_spell)
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diff changeset
328 #endif
625
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329 {
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330 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
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331 b0p->b0_flags = get_fileformat(buf) + 1;
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diff changeset
332 set_b0_fname(b0p, buf);
81fe2ccc1207 updated for version 7.0179
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333 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE);
81fe2ccc1207 updated for version 7.0179
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diff changeset
334 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL;
81fe2ccc1207 updated for version 7.0179
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diff changeset
335 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE);
81fe2ccc1207 updated for version 7.0179
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diff changeset
336 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL;
81fe2ccc1207 updated for version 7.0179
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diff changeset
337 long_to_char(mch_get_pid(), b0p->b0_pid);
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diff changeset
338 }
7
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parents:
diff changeset
339
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parents:
diff changeset
340 /*
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parents:
diff changeset
341 * Always sync block number 0 to disk, so we can check the file name in
625
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diff changeset
342 * the swap file in findswapname(). Don't do this for help files though
81fe2ccc1207 updated for version 7.0179
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343 * and spell buffer though.
7
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parents:
diff changeset
344 * Only works when there's a swapfile, otherwise it's done when the file
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
345 * is created.
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parents:
diff changeset
346 */
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diff changeset
347 mf_put(mfp, hp, TRUE, FALSE);
625
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diff changeset
348 if (!buf->b_help && !B_SPELL(buf))
7
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diff changeset
349 (void)mf_sync(mfp, 0);
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parents:
diff changeset
350
625
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diff changeset
351 /*
81fe2ccc1207 updated for version 7.0179
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parents: 619
diff changeset
352 * Fill in root pointer block and write page 1.
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diff changeset
353 */
7
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parents:
diff changeset
354 if ((hp = ml_new_ptr(mfp)) == NULL)
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vimboss
parents:
diff changeset
355 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 EMSG(_("E298: Didn't get block nr 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 pp = (PTR_BL *)(hp->bh_data);
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vimboss
parents:
diff changeset
362 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 pp->pb_pointer[0].pe_bnum = 2;
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vimboss
parents:
diff changeset
364 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 pp->pb_pointer[0].pe_line_count = 1; /* line count after insertion */
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vimboss
parents:
diff changeset
367 mf_put(mfp, hp, TRUE, FALSE);
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vimboss
parents:
diff changeset
368
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
369 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
370 * Allocate first data block and create an empty line 1.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
371 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 if (hp->bh_bnum != 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
376 EMSG(_("E298: Didn't get block nr 2?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 dp->db_index[0] = --dp->db_txt_start; /* at end of block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 dp->db_free -= 1 + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 dp->db_line_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 *((char_u *)dp + dp->db_txt_start) = NUL; /* emtpy line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 error:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 if (hp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 mf_close(mfp, TRUE); /* will also free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 }
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
395 buf->b_ml.ml_mfp = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 * ml_setname() is called when the file name of "buf" has been changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 * It may rename the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 ml_setname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 int success = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
412 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416 if (mfp->mf_fd < 0) /* there is no swap file yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
418 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
419 * When 'updatecount' is 0 and 'noswapfile' there is no swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 * For help files we will make a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 if (p_uc != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
423 ml_open_file(buf); /* create a swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
425 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
427 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
428 * Try all directories in the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
430 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
431 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
433 if (*dirp == NUL) /* tried all directories, fail */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434 break;
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
435 fname = findswapname(buf, &dirp, mfp->mf_fname);
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
436 /* alloc's fname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
437 if (fname == NULL) /* no file name found for this dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
438 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
441 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
442 * Set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 p = FullName_save(fname, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
447 fname = p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 /* if the file name is the same we don't have to do anything */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452 if (fnamecmp(fname, mfp->mf_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 /* need to close the swap file before renaming */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 if (mfp->mf_fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 close(mfp->mf_fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 mfp->mf_fd = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 /* try to rename the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 if (vim_rename(mfp->mf_fname, fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 vim_free(mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 mfp->mf_fname = fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471 vim_free(mfp->mf_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
472 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 mf_set_ffname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
476 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
477 ml_upd_block0(buf, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 vim_free(fname); /* this fname didn't work, try another */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 if (mfp->mf_fd == -1) /* need to (re)open the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 if (mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 /* could not (re)open the swap file, what can we do???? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 EMSG(_("E301: Oops, lost the swap file!!!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 if (!success)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 EMSG(_("E302: Could not rename swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
495 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
496
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498 * 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
499 * been modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
500 * Used when 'updatecount' changes from zero to non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503 ml_open_files()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
506
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 if (!buf->b_p_ro || buf->b_changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 ml_open_file(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
511
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
512 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
513 * 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
514 * If we are unable to find a file name, mf_fname will be NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 * and the memfile will be in memory only (no recovery possible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 ml_open_file(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
526 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528
748
605c8fbb13dd updated for version 7.0222
vimboss
parents: 720
diff changeset
529 #ifdef FEAT_SPELL
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
530 /* For a spell buffer use a temp file name. */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
531 if (buf->b_spell)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
532 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
533 fname = vim_tempname('s');
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
534 if (fname != NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
535 (void)mf_open_file(mfp, fname); /* consumes fname! */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
536 buf->b_may_swap = FALSE;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
537 return;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
538 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
539 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
540
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 * Try all directories in 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
544 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 if (*dirp == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 /* There is a small chance that between chosing the swap file name and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 * creating it, another Vim creates the file. In that case the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 * creation will fail and we will use another directory. */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
552 fname = findswapname(buf, &dirp, NULL); /* allocates fname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 #if defined(MSDOS) || defined(MSWIN) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 * set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 mf_fullname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
564 ml_upd_block0(buf, FALSE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
565
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 /* Flush block zero, so others can read it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 if (mf_sync(mfp, MFS_ZERO) == OK)
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
568 {
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
569 /* Mark all blocks that should be in the swapfile as dirty.
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
570 * Needed for when the 'swapfile' option was reset, so that
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
571 * the swap file was deleted, and then on again. */
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
572 mf_set_dirty(mfp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 break;
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
574 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 /* Writing block 0 failed: close the file and try another dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 mf_close_file(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580 if (mfp->mf_fname == NULL) /* Failed! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 (void)EMSG2(_("E303: Unable to open swap file for \"%s\", recovery impossible"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 buf_spname(buf) != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 ? (char_u *)buf_spname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 : buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 /* don't try to open a swap file again */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 buf->b_may_swap = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 * 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
597 * file, or reading into an existing buffer, create a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 check_need_swap(newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 int newfile; /* reading file into new buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 ml_open_file(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 * Close memline for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 * If 'del_file' is TRUE, delete the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 ml_close(buf, del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 if (buf->b_ml.ml_mfp == NULL) /* not open */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 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
620 vim_free(buf->b_ml.ml_line_ptr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 vim_free(buf->b_ml.ml_chunksize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 buf->b_ml.ml_chunksize = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 buf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 /* Reset the "recovered" flag, give the ATTENTION prompt the next time
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 * this buffer is loaded. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 buf->b_flags &= ~BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 * Close all existing memlines and memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 * Only used when exiting.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 * When 'del_file' is TRUE, delete the memfiles.
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
637 * 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
638 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 ml_close_all(del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
646 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
647 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 #ifdef TEMPDIRNAMES
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 vim_deltempdir(); /* delete created temp directory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 #endif
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 * Close all memfiles for not modified buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 * Only use just before exiting!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 ml_close_notmod()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 if (!bufIsChanged(buf))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 ml_close(buf, TRUE); /* close all not-modified buffers */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 * Update the timestamp in the .swp file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 * Used when the file has been written.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 ml_timestamp(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
675 ml_upd_block0(buf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
676 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
677
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
678 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
679 * Update the timestamp or the B0_SAME_DIR flag of the .swp file.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
680 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
681 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
682 ml_upd_block0(buf, setfname)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
683 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
684 int setfname;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
685 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 if (mfp == NULL || (hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
695 EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
697 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
698 if (setfname)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
699 set_b0_fname(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
700 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
701 set_b0_dir_flag(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
702 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 * Write file name and timestamp into block 0 of a swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 * Also set buf->b_mtime.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 * Don't use NameBuff[]!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 set_b0_fname(b0p, buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 if (buf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 #if defined(MSDOS) || defined(MSWIN) || defined(AMIGA) || defined(RISCOS)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
723 /* Systems that cannot translate "~user" back into a path: copy the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
724 * file name unmodified. Do use slashes instead of backslashes for
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
725 * portability. */
419
f713fc55bf7b updated for version 7.0109
vimboss
parents: 374
diff changeset
726 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE - 1);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
727 # ifdef BACKSLASH_IN_FILENAME
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
728 forward_slash(b0p->b0_fname);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
729 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 size_t flen, ulen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 * For a file under the home directory of the current user, we try to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 * replace the home directory path with "~user". This helps when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 * editing the same file on different machines over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 * First replace home dir path with "~/" with home_replace().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 * Then insert the user name to get "~user/".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 home_replace(NULL, buf->b_ffname, b0p->b0_fname, B0_FNAME_SIZE, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 if (b0p->b0_fname[0] == '~')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 flen = STRLEN(b0p->b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 /* If there is no user name or it is too long, don't use "~/" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE - 1)
419
f713fc55bf7b updated for version 7.0109
vimboss
parents: 374
diff changeset
748 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 mch_memmove(b0p->b0_fname + 1, uname, ulen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 if (mch_stat((char *)buf->b_ffname, &st) >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 long_to_char((long)st.st_mtime, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 long_to_char((long)st.st_ino, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 buf_store_time(buf, &st, buf->b_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 buf->b_mtime_read = buf->b_mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 long_to_char(0L, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 long_to_char(0L, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 buf->b_mtime = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 buf->b_mtime_read = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 buf->b_orig_size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 buf->b_orig_mode = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
777
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
778 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
779 /* Also add the 'fileencoding' if there is room. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
780 add_b0_fenc(b0p, curbuf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
781 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
785 * 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
786 * swapfile for "buf" are in the same directory.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
787 * 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
788 * not set.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
789 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
790 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
791 set_b0_dir_flag(b0p, buf)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
792 ZERO_BL *b0p;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
793 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
794 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
795 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
796 b0p->b0_flags |= B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
797 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
798 b0p->b0_flags &= ~B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
799 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
800
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
801 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
802 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
803 * When there is room, add the 'fileencoding' to block zero.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
804 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
805 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
806 add_b0_fenc(b0p, buf)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
807 ZERO_BL *b0p;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
808 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
809 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
810 int n;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
811
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
812 n = STRLEN(buf->b_p_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
813 if (STRLEN(b0p->b0_fname) + n + 1 > B0_FNAME_SIZE)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
814 b0p->b0_flags &= ~B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
815 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
816 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
817 mch_memmove((char *)b0p->b0_fname + B0_FNAME_SIZE - n,
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
818 (char *)buf->b_p_fenc, (size_t)n);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
819 *(b0p->b0_fname + B0_FNAME_SIZE - n - 1) = NUL;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
820 b0p->b0_flags |= B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
821 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
822 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
823 #endif
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
824
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
825
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
826 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827 * try to recover curbuf from the .swp file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 ml_recover()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 buf_T *buf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 memfile_T *mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 ZERO_BL *b0p;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
837 int b0_ff;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
838 char_u *b0_fenc = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 blocknr_T bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 struct stat org_stat, swp_stat;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 int directly;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 long error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 int cannot_open;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 int has_error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 int txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 off_t size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 int called_from_main;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 int serious_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 long mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 int attr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 recoverymode = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 called_from_main = (curbuf->b_ml.ml_mfp == NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 attr = hl_attr(HLF_E);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 * If the file name ends in ".sw?" we use it directly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 * Otherwise a search is done to find the swap file(s).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 fname = curbuf->b_fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 if (fname == NULL) /* When there is no file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 fname = (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 len = (int)STRLEN(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 if (len >= 4 &&
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
876 STRNICMP(fname + len - 4, "_sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
877 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
878 STRNICMP(fname + len - 4, ".sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
881 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 directly = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 fname = vim_strsave(fname); /* make a copy for mf_open() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 directly = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 /* count the number of matching swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 len = recover_names(&fname, FALSE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891 if (len == 0) /* no swap files found */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 EMSG2(_("E305: No swap file found for %s"), fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 if (len == 1) /* one swap file found, use it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 else /* several swap files found, choose */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 /* list the names of the swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 (void)recover_names(&fname, TRUE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 MSG_PUTS(_("Enter number of swap file to use (0 to quit): "));
374
575dacb554d8 updated for version 7.0096
vimboss
parents: 274
diff changeset
904 i = get_number(FALSE, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 if (i < 1 || i > len)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908 /* get the swap file name that will be used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 (void)recover_names(&fname, FALSE, i);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912 goto theend; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
914 /* When called from main() still need to initialize storage structure */
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
915 if (called_from_main && ml_open(curbuf) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 getout(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 * allocate a buffer structure (only the memline in it is really used)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
920 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
921 buf = (buf_T *)alloc((unsigned)sizeof(buf_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
926 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929 * init fields in memline struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
930 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 buf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934 buf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 buf->b_ml.ml_locked = NULL; /* no locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 buf->b_ml.ml_flags = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
938 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 * open the memfile from the old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
940 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
941 p = vim_strsave(fname); /* save fname for the message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 (mf_open() may free fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 mfp = mf_open(fname, O_RDONLY); /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 if (mfp == NULL || mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946 if (p != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
947 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
948 EMSG2(_("E306: Cannot open %s"), p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
953 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 buf->b_ml.ml_mfp = mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957 * The page size set in mf_open() might be different from the page size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958 * 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
959 * 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
960 * be set to the real value below.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 * try to read block 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 MSG_PUTS_ATTR(_("Unable to read block 0 from "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972 MSG_PUTS_ATTR(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 _("\nMaybe no changes were made or Vim did not update the swap file."),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 msg_outtrans_attr(mfp->mf_fname, MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
984 MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 MSG_PUTS_ATTR(_("Use Vim version 3.0.\n"), MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 EMSG2(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 if (b0_magic_wrong(b0p))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 MSG_PUTS_ATTR(_(" cannot be used on this computer.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 MSG_PUTS_ATTR(_("The file was created on "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 /* avoid going past the end of a currupted hostname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 MSG_PUTS_ATTR(b0p->b0_hname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 MSG_PUTS_ATTR(_(",\nor the file has been damaged."), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 * If we guessed the wrong page size, we have to recalculate the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 * highest block number in the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 if ((size = lseek(mfp->mf_fd, (off_t)0L, SEEK_END)) <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 mfp->mf_blocknr_max = 0; /* no file or empty file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 mfp->mf_infile_count = mfp->mf_blocknr_max;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 * If .swp file name given directly, use name from swap file for buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 if (directly)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 expand_env(b0p->b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1039 smsg((char_u *)_("Using swap file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 if (buf_spname(curbuf) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 STRCPY(NameBuff, buf_spname(curbuf));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1045 smsg((char_u *)_("Original file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 * check date of swap file and original file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 mtime = char_to_long(b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 if (curbuf->b_ffname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 && org_stat.st_mtime > swp_stat.st_mtime)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 || org_stat.st_mtime != mtime))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 EMSG(_("E308: Warning: Original file may have been changed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 out_flush();
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1061
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1062 /* Get the 'fileformat' and 'fileencoding' from block zero. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1063 b0_ff = (b0p->b0_flags & B0_FF_MASK);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1064 if (b0p->b0_flags & B0_HAS_FENC)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1065 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1066 for (p = b0p->b0_fname + B0_FNAME_SIZE;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1067 p > b0p->b0_fname && p[-1] != NUL; --p)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1068 ;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1069 b0_fenc = vim_strnsave(p, b0p->b0_fname + B0_FNAME_SIZE - p);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1070 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1071
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1075 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 * 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
1077 * contents of the current buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 * Try reading the original file to obtain the values of 'fileformat',
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 * 'fileencoding', etc. Ignore errors. The text itself is not used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 if (curbuf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 (void)readfile(curbuf->b_ffname, NULL, (linenr_T)0,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1089 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1094 /* Use the 'fileformat' and 'fileencoding' as stored in the swap file. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1095 if (b0_ff != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1096 set_fileformat(b0_ff - 1, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1097 if (b0_fenc != NULL)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1098 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1099 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1100 vim_free(b0_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1101 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1102 unchanged(curbuf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1103
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 bnum = 1; /* start with block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 page_count = 1; /* which is 1 page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 lnum = 0; /* append after line 0 in curbuf */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 idx = 0; /* start with first index in block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 error = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 buf->b_ml.ml_stack = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 if (curbuf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 cannot_open = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 serious_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 for ( ; !got_int; line_breakcheck())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 * get block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 EMSG2(_("E309: Unable to read block 1 from %s"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 else /* there is a block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1140 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 if (pp->pb_id == PTR_ID) /* it is a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 /* check line count when using pointer block first time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 if (idx == 0 && line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 line_count -= pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 if (line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 if (pp->pb_count == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 else if (idx < (int)pp->pb_count) /* go a block deeper */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 if (pp->pb_pointer[idx].pe_bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 * Data block with negative block number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 * Try to read lines from the original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 * This is slow, but it works.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 if (!cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 if (readfile(curbuf->b_ffname, NULL, lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 pp->pb_pointer[idx].pe_old_lnum - 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 line_count, NULL, 0) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 lnum += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 if (cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 ml_append(lnum++, (char_u *)_("???LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 ++idx; /* get same block again for next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 * going one block deeper in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 break; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 else /* not a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 if (dp->db_id != DATA_ID) /* block id wrong */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 EMSG2(_("E310: Block 1 ID wrong (%s not a .swp file?)"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218 mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 * it is a data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 * Append all the lines in this block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 has_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233 * check length of block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 * if wrong, use length in pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 if (page_count * mfp->mf_page_size != dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 /* make sure there is a NUL at the end of the block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 *((char_u *)dp + dp->db_txt_end - 1) = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 * check number of lines in block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 * if wrong, use count in data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 if (line_count != dp->db_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 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
1255 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 for (i = 0; i < dp->db_line_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 txt_start = (dp->db_index[i] & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 if (txt_start <= HEADER_SIZE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 || txt_start >= (int)dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 p = (char_u *)"???";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 p = (char_u *)dp + txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 ml_append(lnum++, p, (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 if (has_error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 ml_append(lnum++, (char_u *)_("???END"), (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 if (buf->b_ml.ml_stack_top == 0) /* finished */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 * go one block up in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 idx = ip->ip_index + 1; /* go to next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 * The dummy line from the empty buffer will now be after the last line in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 * the buffer. Delete it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 curbuf->b_flags |= BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 if (got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1300 EMSG(_("E311: Recovery Interrupted"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1301 else if (error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305 EMSG(_("E312: Errors detected while recovering; look for lines starting with ???"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 MSG(_("See \":help E312\" for more information."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 MSG(_("Recovery completed. You should check if everything is OK."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 MSG_PUTS(_("\n(You might want to write out this file under another name\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314 MSG_PUTS(_("and run diff with the original file to check for changes)\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 MSG_PUTS(_("Delete the .swp file afterwards.\n\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 redraw_curbuf_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1323 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 vim_free(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 if (serious_error && called_from_main)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 ml_close(curbuf, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 #ifdef FEAT_AUTOCMD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342 * Find the names of swap files in current directory and the directory given
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 * with the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 * Used to:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 * - list the swap files for "vim -r"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 * - count the number of swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 * - list the swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 * - find the name of the n'th swap file when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 recover_names(fname, list, nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 char_u **fname; /* base for swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 int list; /* when TRUE, list the swap file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 int nr; /* when non-zero, return nr'th swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 char_u *(names[6]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 int num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 int file_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 char_u **files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 /* use msg() to start the scrolling properly */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 msg((char_u *)_("Swap files found:"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 * Do the loop for every directory in 'directory'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 dir_name = alloc((unsigned)STRLEN(p_dir) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381 while (dir_name != NULL && *dirp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1383 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 * Isolate a directory name from *dirp and put it in dir_name (we know
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 * it is large enough, so use 31000 for length).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1386 * Advance dirp to next directory name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 (void)copy_option_part(&dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 names[0] = vim_strsave((char_u *)"*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 names[0] = vim_strsave((char_u *)"*_sw#");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 names[0] = vim_strsave((char_u *)"*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 names[1] = vim_strsave((char_u *)".*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 names[2] = vim_strsave((char_u *)".sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 names[1] = vim_strsave((char_u *)".*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 num_names = recov_file_names(names, *fname, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 else /* check directory dir_name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1425 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 names[0] = concat_fnames(dir_name, (char_u *)"*_sw#", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1431 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1434 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 p = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1451 if (after_pathsep(dir_name, p) && p[-1] == p[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 /* Ends with '//', Use Full path for swap name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 tail = make_percent_swname(dir_name, *fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 tail = gettail(*fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 tail = concat_fnames(dir_name, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 if (tail == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 num_names = recov_file_names(names, tail, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 vim_free(tail);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472 /* check for out-of-memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 if (names[i] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 if (num_names == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 else if (expand_wildcards(num_names, names, &num_files, &files,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 * When no swap file found, wildcard expansion might have failed (e.g.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 * not able to execute the shell).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 * Try finding a swap file by simply adding ".swp" to the file name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 if (*dirp == NUL && file_count + num_files == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 && fname != NULL && *fname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 char_u *swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500 swapname = modname(*fname, (char_u *)"_swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 swapname = modname(*fname, (char_u *)".swp", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 if (swapname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 files = (char_u **)alloc((unsigned)sizeof(char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 if (files != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 files[0] = swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 swapname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 num_files = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 vim_free(swapname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 * remove swapfile name of the current buffer, it must be ignored
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 if (curbuf->b_ml.ml_mfp != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 vim_free(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 --num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 for ( ; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 files[i] = files[i + 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 if (nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 if (nr <= file_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 *fname = vim_strsave(files[nr - 1 + num_files - file_count]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 dirp = (char_u *)""; /* stop searching */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 else if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 if (dir_name[0] == '.' && dir_name[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 MSG_PUTS(_(" In current directory:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 MSG_PUTS(_(" Using specified name:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 MSG_PUTS(_(" In directory "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 msg_home_replace(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 MSG_PUTS(":\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 if (num_files)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 /* print the swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 msg_outnum((long)++file_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 MSG_PUTS(". ");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 msg_puts(gettail(files[i]));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 (void)swapfile_info(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 MSG_PUTS(_(" -- none --\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1581 FreeWild(num_files, files);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1582 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 return file_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 * Append the full path to name with path separators made into percent
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 make_percent_swname(dir, name)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 char_u *dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1597 char_u *d, *s, *f;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 f = fix_fname(name != NULL ? name : (char_u *) "");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 d = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 if (f != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 s = alloc((unsigned)(STRLEN(f) + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1606 STRCPY(s, f);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1607 for (d = s; *d != NUL; mb_ptr_adv(d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1608 if (vim_ispathsep(*d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1609 *d = '%';
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 d = concat_fnames(dir, s, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 vim_free(f);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 return d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 static int process_still_running;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 /*
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
1624 * Give information about an existing swap file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 * Returns timestamp (0 when unknown).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 static time_t
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 swapfile_info(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 time_t x = (time_t)0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 /* print the swap file date */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 if (mch_stat((char *)fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 /* print name of owner of the file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 MSG_PUTS(_(" owned by: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 msg_outtrans(uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1652 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 MSG_PUTS(ctime(&x)); /* includes '\n' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 * print the original file name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 MSG_PUTS(_(" [from Vim version 3.0]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670 else if (b0.b0_id[0] != BLOCK0_ID0 || b0.b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 MSG_PUTS(_(" [does not look like a Vim swap file]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 MSG_PUTS(_(" file name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 if (b0.b0_fname[0] == NUL)
9
4102fb4ea781 updated for version 7.0002
vimboss
parents: 7
diff changeset
1678 MSG_PUTS(_("[No Name]"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 msg_outtrans(b0.b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 MSG_PUTS(_("\n modified: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 MSG_PUTS(b0.b0_dirty ? _("YES") : _("no"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 MSG_PUTS(_("\n user name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 msg_outtrans(b0.b0_uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 if (*(b0.b0_hname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 MSG_PUTS(_(" host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 MSG_PUTS(_("\n host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 msg_outtrans(b0.b0_hname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1699
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1700 if (char_to_long(b0.b0_pid) != 0L)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 MSG_PUTS(_("\n process ID: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 msg_outnum(char_to_long(b0.b0_pid));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 #if defined(UNIX) || defined(__EMX__)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 /* EMX kill() not working correctly, it seems */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 if (kill((pid_t)char_to_long(b0.b0_pid), 0) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 MSG_PUTS(_(" (still running)"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 process_still_running = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 if (b0_magic_wrong(&b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 MSG_PUTS(_("\n [not usable with this version of Vim]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 MSG_PUTS(_("\n [not usable on this computer]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 MSG_PUTS(_(" [cannot be read]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 MSG_PUTS(_(" [cannot be opened]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 return x;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 recov_file_names(names, path, prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 char_u **names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 char_u *path;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 int prepend_dot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 * (MS-DOS) always short names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 names[0] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 #else /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 * (Win32 and Win64) never short names, but do prepend a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 * Only use the short name if it is different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 int shortname = curbuf->b_shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 curbuf->b_shortname = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 * 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
1770 * dir as original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 if (prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 names[num_names] = modname(path, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 * Form the normal swap file name pattern by appending ".sw?".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 names[num_names] = concat_fnames(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 if (num_names >= 1) /* check if we have the same name twice */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 p = names[num_names - 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 if (STRCMP(p, names[num_names]) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 * Also try with 'shortname' set, in case the file is on a DOS filesystem.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 curbuf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 names[num_names] = modname(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 names[num_names] = modname(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 names[num_names] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 * Remove the one from 'shortname', if it's the same as with 'noshortname'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 p = names[num_names];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 if (STRCMP(names[num_names - 1], p) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 end:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 curbuf->b_shortname = shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 #endif /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 return num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1848
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1849 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1850 * sync all memlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 * If 'check_file' is TRUE, check if original file exists and was not changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 * If 'check_char' is TRUE, stop syncing when character becomes available, but
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 * always sync at least one block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 ml_sync_all(check_file, check_char)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 int check_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 int check_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 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
1867 continue; /* no file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 && buf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 * If the original file does not exist anymore or has been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 * call ml_preserve() to get rid of all negative numbered blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 if (mch_stat((char *)buf->b_ffname, &st) == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 || st.st_mtime != buf->b_mtime_read
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 || (size_t)st.st_size != buf->b_orig_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 ml_preserve(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 did_check_timestamps = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 need_check_timestamps = TRUE; /* give message later */
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 if (buf->b_ml.ml_mfp->mf_dirty)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 | (bufIsChanged(buf) ? MFS_FLUSH : 0));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 if (check_char && ui_char_avail()) /* character available now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 * sync one buffer, including negative blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 * after this all the blocks are in the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 * Used for the :preserve command and when the original file has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 * changed or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 * when message is TRUE the success of preserving is reported
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 ml_preserve(buf, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 int status;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 int got_int_save = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919 if (mfp == NULL || mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 EMSG(_("E313: Cannot preserve, there is no swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 /* We only want to stop when interrupted here, not when interrupted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 * before. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 /* stack is invalid after mf_sync(.., MFS_ALL) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 buf->b_ml.ml_stack_top = 0;
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 * Some of the data blocks may have been changed from negative to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 * positive block number. In that case the pointer blocks need to be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 * updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 * We don't know in which pointer block the references are, so we visit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 * all data blocks until there are no more translations to be done (or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 * 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
1945 * e.g. when file system if full).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1946 * ml_find_line() does the work by translating the negative block numbers
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947 * when getting the first line of each data block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 if (mf_need_trans(mfp) && !got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 lnum = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 /* sync the updated pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 got_int |= got_int_save;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 if (status == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 MSG(_("File preserved"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 EMSG(_("E314: Preserve failed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 * NOTE: The pointer returned by the ml_get_*() functions only remains valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 * until the next call!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 * line1 = ml_get(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 * line2 = ml_get(2); // line1 is now invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 * Make a copy of the line if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 * get a pointer to a (read-only copy of a) line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 * On failure an error message is given and IObuff is returned (to avoid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 * having to check for error everywhere).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 ml_get(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 return ml_get_buf(curbuf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 * ml_get_pos: get pointer to position 'pos'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 ml_get_pos(pos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 pos_T *pos;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col);
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 * ml_get_curline: get pointer to cursor line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 ml_get_curline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 * ml_get_cursor: get pointer to cursor position
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 ml_get_cursor()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 curwin->w_cursor.col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 * get a pointer to a line in a specific buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 * "will_change": if TRUE mark the buffer dirty (chars in the line will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 * changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 ml_get_buf(buf, lnum, will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040 int will_change; /* line will be changed */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 char_u *ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 EMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 errorret:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 STRCPY(IObuff, "???");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 return IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 if (lnum <= 0) /* pretend line 0 is line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 return (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 * See if it is the same line as requested last time.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 * Otherwise may need to flush last used line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 if (buf->b_ml.ml_line_lnum != lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 ml_flush_line(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 EMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 goto errorret;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 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
2081 buf->b_ml.ml_line_ptr = ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 buf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 if (will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 return buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 * Check if a line that was just obtained by a call to ml_get
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 * is in allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 ml_line_alloced()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102 * 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
2103 * "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
2104 * buffer, unlocking may make it invalid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 * will be set for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 * appended_lines().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 ml_append(lnum, line, len, newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 colnr_T len; /* length of new line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 if (curbuf->b_ml.ml_line_lnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128
748
605c8fbb13dd updated for version 7.0222
vimboss
parents: 720
diff changeset
2129 #if defined(FEAT_SPELL) || defined(PROTO)
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2130 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2131 * Like ml_append() but for an arbitrary buffer. The buffer must already have
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2132 * a memline.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2133 */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2134 int
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2135 ml_append_buf(buf, lnum, line, len, newfile)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2136 buf_T *buf;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2137 linenr_T lnum; /* append after this line (can be 0) */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2138 char_u *line; /* text of the new line */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2139 colnr_T len; /* length of new line, including NUL, or 0 */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2140 int newfile; /* flag, see above */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2141 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2142 if (buf->b_ml.ml_mfp == NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2143 return FAIL;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2144
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2145 if (buf->b_ml.ml_line_lnum != 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2146 ml_flush_line(buf);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2147 return ml_append_int(buf, lnum, line, len, newfile, FALSE);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2148 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2149 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2150
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 ml_append_int(buf, lnum, line, len, newfile, mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 colnr_T len; /* length of line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 int mark; /* mark the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 int line_count; /* number of indexes in current block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 int offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 int from, to;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 int space_needed; /* space needed for new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 int page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 int db_idx; /* index for lnum in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 /* lnum out of range */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 len = (colnr_T)STRLEN(line) + 1; /* space needed for the text */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 space_needed = len + INDEX_SIZE; /* space needed for text + index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 page_size = mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 * find the data block containing the previous line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 * 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
2191 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 buf->b_ml.ml_flags &= ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 if (lnum == 0) /* got line one instead, correct db_idx */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 db_idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 * If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 * - there is not enough room in the current block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 * - appending to the last line in the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 * - not appending to the last line in the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 * insert in front of the next block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 if ((int)dp->db_free < space_needed && db_idx == line_count - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 && lnum < buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 * 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
2220 * expected, the line count has to be adjusted in the pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 * by using ml_locked_lineadd.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 ++buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 if ((int)dp->db_free >= space_needed) /* enough room in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 * Insert new line in existing data block, or in data block allocated above.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 dp->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 dp->db_free -= space_needed;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 ++(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 * move the text of the lines that follow to the front
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 * adjust the indexes of the lines that follow
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 if (line_count > db_idx + 1) /* if there are following lines */
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 * Offset is the start of the previous line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 * This will become the character just after the new line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 if (db_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 offset = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 mch_memmove((char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 (char *)dp + dp->db_txt_start + len,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 (size_t)(offset - (dp->db_txt_start + len)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 for (i = line_count - 1; i > db_idx; --i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 dp->db_index[i + 1] = dp->db_index[i] - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 dp->db_index[db_idx + 1] = offset - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 else /* add line at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 dp->db_index[db_idx + 1] = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 * copy the text into the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 dp->db_index[db_idx + 1] |= DB_MARKED;
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 * Mark the block dirty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 if (!newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 else /* not enough space in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 * 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
2289 * lines into it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 * Then we have to insert an entry in the pointer block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 * 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
2292 * to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 long line_count_left, line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 int page_count_left, page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 bhdr_T *hp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 bhdr_T *hp_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 bhdr_T *hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 int lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 int data_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 int total_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 DATA_BL *dp_right, *dp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 int in_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 int lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 blocknr_T bnum_left, bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 linenr_T lnum_left, lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 int pb_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311 PTR_BL *pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 * We are going to allocate a new data block. Depending on the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 * situation it will be put to the left or right of the existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 * block. If possible we put the new line in the left block and move
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 * the lines after it to the right block. Otherwise the new line is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 * also put in the right block. This method is more efficient when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 * inserting a lot of lines at one place.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 if (db_idx < 0) /* left block is new, right block is existing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 lines_moved = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 in_left = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 else /* left block is existing, right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 lines_moved = line_count - db_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 if (lines_moved == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 total_moved = data_moved + lines_moved * INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 if ((int)dp->db_free + total_moved >= space_needed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 in_left = TRUE; /* put new line in left block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 space_needed = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 space_needed += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 /* correct line counts in pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 hp_left = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362 hp_right = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 line_count_right = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2368 hp_left = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 hp_right = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2370 line_count_left = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2371 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 dp_right = (DATA_BL *)(hp_right->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 dp_left = (DATA_BL *)(hp_left->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 bnum_left = hp_left->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 bnum_right = hp_right->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 page_count_left = hp_left->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 page_count_right = hp_right->bh_page_count;
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 * May move the new line into the right/new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 if (!in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 dp_right->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 dp_right->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 dp_right->db_index[0] = dp_right->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 dp_right->db_index[0] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 ++line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 * may move lines from the left/old block to the right/new one.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 if (lines_moved)
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 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 dp_right->db_txt_start -= data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 dp_right->db_free -= total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 (char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 (size_t)data_moved);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 offset = dp_right->db_txt_start - dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 dp_left->db_txt_start += data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 dp_left->db_free += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 * update indexes in the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 for (to = line_count_right, from = db_idx + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 from < line_count_left; ++from, ++to)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 dp_right->db_index[to] = dp->db_index[from] + offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 line_count_right += lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418 line_count_left -= lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2419 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 * May move the new line into the left (old or new) block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 dp_left->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 dp_left->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 dp_left->db_index[line_count_left] = dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 dp_left->db_index[line_count_left] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 mch_memmove((char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 ++line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 lnum_left = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 lnum_right = lnum + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 lnum_right = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 dp_left->db_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 dp_right->db_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 * release the two data blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 * The new one (hp_new) already has a correct blocknumber.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 * The old one (hp, in ml_locked) gets a positive blocknumber if
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 * we changed it and we are not editing a new file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 if (lines_moved || in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 if (!newfile && db_idx >= 0 && in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465 * flush the old data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 * set ml_locked_lineadd to 0, because the updating of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 * pointer blocks is done below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 lineadd = buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 * update pointer blocks for the new data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 pb_idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 EMSG(_("E317: pointer block id wrong 3"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 * TODO: If the pointer block is full and we are adding at the end
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 * try to insert in front of the next block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 /* block not full, add one entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 if (pp->pb_count < pp->pb_count_max)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 if (pb_idx + 1 < (int)pp->pb_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 mch_memmove(&pp->pb_pointer[pb_idx + 2],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 ++pp->pb_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 if (lnum_left != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 if (lnum_right != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517 if (lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 --(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 ml_lineadd(buf, lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 /* fix stack itself */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 * We are finished, break the loop here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533 else /* pointer block full */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 * split the pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537 * allocate a new pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 * move some of the pointer into the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 * prepare for updating the parent block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 for (;;) /* do this twice when splitting block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 hp_new = ml_new_ptr(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 if (hp_new == NULL) /* TODO: try to fix tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 pp_new = (PTR_BL *)(hp_new->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552 * if block 1 becomes full the tree is given an extra level
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 * The pointers from block 1 are moved into the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 * block 1 is updated to point to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2555 * then continue to split the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2556 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2557 mch_memmove(pp_new, pp, (size_t)page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 hp = hp_new; /* new block is to be split */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565 pp = pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 CHECK(stack_idx != 0, _("stack_idx should be 0"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 ip->ip_index = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 ++stack_idx; /* do block 1 again later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 * move the pointers after the current one to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 * If there are none, the new entry will be in the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574 total_moved = pp->pb_count - pb_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 if (total_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 mch_memmove(&pp_new->pb_pointer[0],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 (size_t)(total_moved) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 pp_new->pb_count = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 pp->pb_count -= total_moved - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 if (lnum_right)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 pp_new->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 pp_new->pb_pointer[0].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 pp_new->pb_pointer[0].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 pp_new->pb_pointer[0].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594 pp_new->pb_pointer[0].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 if (lnum_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 * recompute line counts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 for (i = 0; i < (int)pp_new->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 line_count_right += pp_new->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 line_count_left += pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 bnum_left = hp->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 bnum_right = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 page_count_left = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 page_count_right = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 * Safety check: fallen out of for loop?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 if (stack_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 EMSG(_("E318: Updated too many blocks?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 buf->b_ml.ml_stack_top = 0; /* invalidate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 /* The line was inserted below 'lnum' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 if (STRLEN(line) > 0)
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2641 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, STRLEN(line));
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2642 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 (char_u *)"\n", 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2650 * Replace line lnum, with buffering, in current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 *
720
e180933b876a updated for version 7.0219
vimboss
parents: 714
diff changeset
2652 * 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
2653 * copied to allocated memory already.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 * changed_lines(), unless update_screen(NOT_VALID) is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 ml_replace(lnum, line, copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 char_u *line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 int copy;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 if (line == NULL) /* just checking... */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 if (copy && (line = vim_strsave(line)) == NULL) /* allocate memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum)));
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2679 netbeans_inserted(curbuf, lnum, 0, line, STRLEN(line));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 if (curbuf->b_ml.ml_line_lnum != lnum) /* other line buffered */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 ml_flush_line(curbuf); /* flush it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 else if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) /* same line allocated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 vim_free(curbuf->b_ml.ml_line_ptr); /* free it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 curbuf->b_ml.ml_line_ptr = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 curbuf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 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
2689
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2694 * Delete line 'lnum' in the current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 * deleted_lines() after this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 ml_delete(lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 return ml_delete_int(curbuf, lnum, message);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 ml_delete_int(buf, lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 int text_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 int line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 long line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 if (lnum < 1 || lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 lowest_marked--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 * If the file becomes empty the last line is replaced by an empty line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 if (message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 && !netbeansSuppressNoLines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 )
680
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
2745 set_keep_msg((char_u *)_(no_lines_msg), 0);
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
2746
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 /* FEAT_BYTEOFF already handled in there, dont worry 'bout it below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 buf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751 return i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 * 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
2757 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 /* compute line count before the delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 count = (long)(buf->b_ml.ml_locked_high)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 - (long)(buf->b_ml.ml_locked_low) + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 --buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 if (idx == 0) /* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 line_size = dp->db_txt_end - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 if (usingNetbeans)
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2782 netbeans_removed(buf, lnum, 0, (long)line_size);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 * 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
2787 * Then we have to remove the entry, pointing to this data block, from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 * pointer block. If this pointer block also becomes empty, we go up another
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 * block, and so on, up to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 if (count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 mf_free(mfp, hp); /* free the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0; --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 EMSG(_("E317: pointer block id wrong 4"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 count = --(pp->pb_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 if (count == 0) /* the pointer block becomes empty! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 mf_free(mfp, hp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 if (count != idx) /* move entries after the deleted one */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 (size_t)(count - idx) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 CHECK(stack_idx < 0, _("deleted block 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 * delete the text by moving the next lines forwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 text_start = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 mch_memmove((char *)dp + text_start + line_size,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 (char *)dp + text_start, (size_t)(line_start - text_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 * delete the index by moving the next indexes backwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 * Adjust the indexes for the text movement.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 for (i = idx; i < count - 1; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 dp->db_index[i] = dp->db_index[i + 1] + line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 dp->db_free += line_size + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 dp->db_txt_start += line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 --(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 * mark the block dirty and make sure it is in the file (for recovery)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2863 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2864 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2865 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2866 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2867 }
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 * set the B_MARKED flag for line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2871 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2872 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2873 ml_setmarked(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2874 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2875 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2876 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2877 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2878 /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2879 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2880 || curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2881 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2882
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2883 if (lowest_marked == 0 || lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2884 lowest_marked = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2885
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2886 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2887 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2888 * 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
2889 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2890 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2899 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2900 * find the first line with its B_MARKED flag set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2901 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 linenr_T
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2903 ml_firstmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2904 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2905 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2906 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910 if (curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2911 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2912
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2913 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2914 * The search starts with lowest_marked line. This is the last line where
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2915 * a mark was found, adjusted by inserting/deleting lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2916 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2917 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2918 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2919 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2920 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2921 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2922 * block This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2923 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2924 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2925 return (linenr_T)0; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2926
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2927 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2928
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2929 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2930 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2931 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2932 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2933 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2934 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2935 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2936 return lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2937 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2938 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2939
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2940 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2941 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2942
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2943 #if 0 /* not used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2944 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2945 * return TRUE if line 'lnum' has a mark
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2946 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2947 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2948 ml_has_mark(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2949 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2950 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2951 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2952 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2953
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2954 if (curbuf->b_ml.ml_mfp == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2955 || (hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2956 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2957
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2958 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2959 return (int)((dp->db_index[lnum - curbuf->b_ml.ml_locked_low]) & DB_MARKED);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2960 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2961 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2962
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2963 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2964 * clear all DB_MARKED flags
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2965 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2966 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2967 ml_clearmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2968 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2969 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2970 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2971 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2972 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2973
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2974 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978 * The search starts with line lowest_marked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2982 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2985 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2986 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001 lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3002 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3003 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3004
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3005 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3006 * flush ml_line if necessary
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3007 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3008 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3009 ml_flush_line(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3010 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3011 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3012 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3013 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3014 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3015 char_u *new_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3016 char_u *old_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3017 colnr_T new_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3018 int old_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3019 int extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3020 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3021 int start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3022 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3023 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3024
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3025 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3026 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3027
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3028 if (buf->b_ml.ml_flags & ML_LINE_DIRTY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3029 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3030 lnum = buf->b_ml.ml_line_lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3031 new_line = buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3032
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3033 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3034 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3035 EMSGN(_("E320: Cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3036 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3037 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3038 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3039 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3040 start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3041 old_line = (char_u *)dp + start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3042 if (idx == 0) /* line is last in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3043 old_len = dp->db_txt_end - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3044 else /* text of previous line follows */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3045 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3046 new_len = (colnr_T)STRLEN(new_line) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3047 extra = new_len - old_len; /* negative if lines gets smaller */
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 * if new line fits in data block, replace directly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3051 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3052 if ((int)dp->db_free >= extra)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3053 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3054 /* if the length changes and there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3055 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3056 if (extra != 0 && idx < count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3057 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3058 /* move text of following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3059 mch_memmove((char *)dp + dp->db_txt_start - extra,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3060 (char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3061 (size_t)(start - dp->db_txt_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3062
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3063 /* adjust pointers of this and following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3064 for (i = idx + 1; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3065 dp->db_index[i] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3066 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3067 dp->db_index[idx] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3068
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3069 /* adjust free space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3070 dp->db_free -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3071 dp->db_txt_start -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3072
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3073 /* copy new line into the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3074 mch_memmove(old_line - extra, new_line, (size_t)new_len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3075 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3076 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3077 /* The else case is already covered by the insert and delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3078 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3079 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3080 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3081 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3082 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3083 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3084 * Cannot do it in one data block: Delete and append.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3085 * Append first, because ml_delete_int() cannot delete the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3086 * last line in a buffer, which causes trouble for a buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3087 * that has only one line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3088 * Don't forget to copy the mark!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3089 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3090 /* How about handling errors??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3091 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3092 (dp->db_index[idx] & DB_MARKED));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3093 (void)ml_delete_int(buf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3094 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3095 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3096 vim_free(new_line);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3097 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3098
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3099 buf->b_ml.ml_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3100 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3101
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3102 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3103 * create a new, empty, data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3104 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3105 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3106 ml_new_data(mfp, negative, page_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3107 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3108 int negative;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3109 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3110 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3111 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3112 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3113
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3114 if ((hp = mf_new(mfp, negative, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3115 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3116
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3117 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3118 dp->db_id = DATA_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3119 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3120 dp->db_free = dp->db_txt_start - HEADER_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3121 dp->db_line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3122
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3123 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3124 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3125
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3126 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3127 * create a new, empty, pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3128 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3129 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3130 ml_new_ptr(mfp)
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 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3133 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3134 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3135
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3136 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3137 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3138
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3139 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3140 pp->pb_id = PTR_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3141 pp->pb_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3142 pp->pb_count_max = (short_u)((mfp->mf_page_size - sizeof(PTR_BL)) / sizeof(PTR_EN) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3143
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3144 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3145 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3146
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3147 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3148 * lookup line 'lnum' in a memline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3149 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3150 * action: if ML_DELETE or ML_INSERT the line count is updated while searching
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3151 * if ML_FLUSH only flush a locked block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3152 * if ML_FIND just find the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3153 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3154 * If the block was found it is locked and put in ml_locked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3155 * 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
3156 * the stack is updated to reflect the last line in the block AFTER the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3157 * insert or delete, also if the pointer block has not been updated yet. But
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3158 * if if ml_locked != NULL ml_locked_lineadd must be added to ip_high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3159 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3160 * return: NULL for failure, pointer to block header otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3161 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3163 ml_find_line(buf, lnum, action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3165 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3166 int action;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3167 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3168 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3169 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3170 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3171 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3172 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3173 linenr_T t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3174 blocknr_T bnum, bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3175 int dirty;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3176 linenr_T low, high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3177 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3178 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3179 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3180
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3181 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3182
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3183 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3184 * If there is a locked block check if the wanted line is in it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3185 * If not, flush and release the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3186 * 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
3187 * Don't do this for ML_FLUSH, because we want to flush the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3188 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3189 if (buf->b_ml.ml_locked)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3190 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3191 if (ML_SIMPLE(action) && buf->b_ml.ml_locked_low <= lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3192 && buf->b_ml.ml_locked_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3193 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3194 /* remember to update pointer blocks and stack later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3195 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3196 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3197 ++(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3198 ++(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3199 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3200 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3201 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3202 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3203 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3204 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3205 return (buf->b_ml.ml_locked);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3206 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3207
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3208 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
3209 buf->b_ml.ml_flags & ML_LOCKED_POS);
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3212 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3213 * if lines have been added or deleted in the locked block, need to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3214 * update the line count in pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3215 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3216 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3217 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3218 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3219
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3220 if (action == ML_FLUSH) /* nothing else to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3221 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3222
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3223 bnum = 1; /* start at the root of the tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3224 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3225 low = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3226 high = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3227
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3228 if (action == ML_FIND) /* first try stack entries */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3229 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3230 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3231 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3232 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233 if (ip->ip_low <= lnum && ip->ip_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3234 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236 low = ip->ip_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3237 high = ip->ip_high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3238 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3239 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 if (top < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 else /* ML_DELETE or ML_INSERT */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 buf->b_ml.ml_stack_top = 0; /* start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 * search downwards in the tree until a data block is found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253 if ((hp = mf_get(mfp, bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 goto error_noblock;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 * update high for insert/delete
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 ++high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 --high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 if (dp->db_id == DATA_ID) /* data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 buf->b_ml.ml_locked = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 buf->b_ml.ml_locked_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 buf->b_ml.ml_locked_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 pp = (PTR_BL *)(dp); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 EMSG(_("E317: pointer block id wrong"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3283 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 ip->ip_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 ip->ip_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 ip->ip_index = -1; /* index not known yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 dirty = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 for (idx = 0; idx < (int)pp->pb_count; ++idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 t = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 CHECK(t == 0, _("pe_line_count is zero"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295 if ((low += t) > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 high = low - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 low -= t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3302
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3303 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 * a negative block number may have been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3305 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306 if (bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3307 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3308 bnum2 = mf_trans_del(mfp, bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3309 if (bnum != bnum2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3310 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3311 bnum = bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3312 pp->pb_pointer[idx].pe_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3313 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3315 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3316
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3317 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3319 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3321 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322 if (lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323 EMSGN(_("E322: line number out of range: %ld past the end"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3324 lnum - buf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3326 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327 EMSGN(_("E323: line count wrong in block %ld"), bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3328 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3330 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3331 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3332 pp->pb_pointer[idx].pe_line_count--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3333 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3334 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3335 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3336 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3337 pp->pb_pointer[idx].pe_line_count++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3338 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3339 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3340 mf_put(mfp, hp, dirty, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3341 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3343 error_block:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3344 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3345 error_noblock:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3346 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3347 * If action is ML_DELETE or ML_INSERT we have to correct the tree for
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3348 * the incremented/decremented line counts, because there won't be a line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3349 * inserted/deleted after all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3350 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3351 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3352 ml_lineadd(buf, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3353 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3354 ml_lineadd(buf, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3355 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3356 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3357 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3358
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3359 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3360 * add an entry to the info pointer stack
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3361 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3362 * return -1 for failure, number of the new entry otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3363 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3364 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3365 ml_add_stack(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3366 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3367 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3368 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3369 infoptr_T *newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3370
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3371 top = buf->b_ml.ml_stack_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3372
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3373 /* may have to increase the stack size */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3374 if (top == buf->b_ml.ml_stack_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3375 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3376 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3377
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3378 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3379 (buf->b_ml.ml_stack_size + STACK_INCR));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3380 if (newstack == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3381 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3382 mch_memmove(newstack, buf->b_ml.ml_stack, (size_t)top * sizeof(infoptr_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3383 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3384 buf->b_ml.ml_stack = newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3385 buf->b_ml.ml_stack_size += STACK_INCR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3388 buf->b_ml.ml_stack_top++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3389 return top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3390 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3391
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3392 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3393 * Update the pointer blocks on the stack for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3394 * The stack itself is also updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3395 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 * When a insert/delete line action fails, the line is not inserted/deleted,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3397 * but the pointer blocks have already been updated. That is fixed here by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398 * walking through the stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 * Count is the number of lines added, negative if lines have been deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3402 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403 ml_lineadd(buf, count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3404 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3407 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3408 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3409 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3410 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 ip = &(buf->b_ml.ml_stack[idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3417 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 EMSG(_("E317: pointer block id wrong 2"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3423 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3424 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3425 pp->pb_pointer[ip->ip_index].pe_line_count += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3426 ip->ip_high += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3427 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3428 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3431 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3432 static int resolve_symlink __ARGS((char_u *fname, char_u *buf));
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3433
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3434 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3435 * Resolve a symlink in the last component of a file name.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3436 * 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
3437 * here.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3438 * If it worked returns OK and the resolved link in "buf[MAXPATHL]".
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3439 * Otherwise returns FAIL.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3440 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3441 static int
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3442 resolve_symlink(fname, buf)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3443 char_u *fname;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3444 char_u *buf;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3445 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3446 char_u tmp[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3447 int ret;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3448 int depth = 0;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3449
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3450 if (fname == NULL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3451 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3452
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3453 /* Put the result so far in tmp[], starting with the original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3454 vim_strncpy(tmp, fname, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3455
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3456 for (;;)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3457 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3458 /* Limit symlink depth to 100, catch recursive loops. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3459 if (++depth == 100)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3460 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3461 EMSG2(_("E773: Symlink loop for \"%s\""), fname);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3462 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3463 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3464
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3465 ret = readlink((char *)tmp, (char *)buf, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3466 if (ret <= 0)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3467 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3468 if (errno == EINVAL || errno == ENOENT)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3469 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3470 /* Found non-symlink or not existing file, stop here.
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3471 * When at the first level use the unmodifed name, skip the
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3472 * call to vim_FullName(). */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3473 if (depth == 1)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3474 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3475
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3476 /* Use the resolved name in tmp[]. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3477 break;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3478 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3479
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3480 /* There must be some error reading links, use original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3481 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3482 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3483 buf[ret] = NUL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3484
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3485 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3486 * Check whether the symlink is relative or absolute.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3487 * If it's relative, build a new path based on the directory
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3488 * portion of the filename (if any) and the path the symlink
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3489 * points to.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3490 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3491 if (mch_isFullName(buf))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3492 STRCPY(tmp, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3493 else
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3494 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3495 char_u *tail;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3496
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3497 tail = gettail(tmp);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3498 if (STRLEN(tail) + STRLEN(buf) >= MAXPATHL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3499 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3500 STRCPY(tail, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3501 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3502 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3503
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3504 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3505 * 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
3506 * be consistent even when opening a relative symlink from different
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3507 * working directories.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3508 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3509 return vim_FullName(tmp, buf, MAXPATHL, TRUE);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3510 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3511 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3512
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3513 /*
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3514 * Make swap file name out of the file name and a directory name.
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3515 * Returns pointer to allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3517 /*ARGSUSED*/
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3518 char_u *
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3519 makeswapname(fname, ffname, buf, dir_name)
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3520 char_u *fname;
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3521 char_u *ffname;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3522 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3523 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3524 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 char_u *r, *s;
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3526 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3527 char_u fname_buf[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3528 char_u *fname_res;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3529 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3530
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3532 s = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3533 if (after_pathsep(dir_name, s) && s[-1] == s[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3534 { /* Ends with '//', Use Full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3535 r = NULL;
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3536 if ((s = make_percent_swname(dir_name, fname)) != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3537 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3538 r = modname(s, (char_u *)".swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3539 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3540 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3541 return r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3542 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3544
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3545 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3546 /* 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
3547 * actual file instead of with the symlink. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3548 if (resolve_symlink(fname, fname_buf) == OK)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3549 fname_res = fname_buf;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3550 else
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3551 fname_res = fname;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3552 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3553
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3554 r = buf_modname(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3555 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3556 TRUE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3557 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3558 (buf->b_p_sn || buf->b_shortname),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3561 /* Avoid problems if fname has special chars, eg <Wimp$Scrap> */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3562 ffname,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3563 #else
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3564 # ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3565 fname_res,
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3566 # else
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3567 fname,
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3568 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3569 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3570 (char_u *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3571 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3572 "_swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3573 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3574 ".swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3575 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3576 #ifdef SHORT_FNAME /* always 8.3 file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3577 FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3578 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3579 /* Prepend a '.' to the swap file name for the current directory. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3580 dir_name[0] == '.' && dir_name[1] == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3581 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3582 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3583 if (r == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3584 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3585
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3586 s = get_file_in_dir(r, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3587 vim_free(r);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3588 return s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3589 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3590
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3591 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3592 * Get file name to use for swap file or backup file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3593 * 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
3594 * option "dname".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3595 * - If "dname" is ".", return "fname" (swap file in dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3596 * - If "dname" starts with "./", insert "dname" in "fname" (swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3597 * relative to dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3598 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3599 * dir).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3600 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3601 * The return value is an allocated string and can be NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3602 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3603 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3604 get_file_in_dir(fname, dname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3605 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3606 char_u *dname; /* don't use "dirname", it is a global for Alpha */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3607 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3608 char_u *t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3609 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3610 char_u *retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3611 int save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3612
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3613 tail = gettail(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3614
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3615 if (dname[0] == '.' && dname[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3616 retval = vim_strsave(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3617 else if (dname[0] == '.' && vim_ispathsep(dname[1]))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3618 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3619 if (tail == fname) /* no path before file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3620 retval = concat_fnames(dname + 2, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3621 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3622 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3623 save_char = *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3624 *tail = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3625 t = concat_fnames(fname, dname + 2, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3626 *tail = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3627 if (t == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3628 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3629 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3630 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3631 retval = concat_fnames(t, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3632 vim_free(t);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3633 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3634 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3635 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3636 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3637 retval = concat_fnames(dname, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3638
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3639 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3640 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3641
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3642 static void attention_message __ARGS((buf_T *buf, char_u *fname));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3643
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3644 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3645 * Print the ATTENTION message: info about an existing swap file.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3646 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3647 static void
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3648 attention_message(buf, fname)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3649 buf_T *buf; /* buffer being edited */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3650 char_u *fname; /* swap file name */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3651 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3652 struct stat st;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3653 time_t x, sx;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3654
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3655 ++no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3656 (void)EMSG(_("E325: ATTENTION"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3657 MSG_PUTS(_("\nFound a swap file by the name \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3658 msg_home_replace(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3659 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3660 sx = swapfile_info(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3661 MSG_PUTS(_("While opening file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3662 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3663 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3664 if (mch_stat((char *)buf->b_fname, &st) != -1)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3665 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3666 MSG_PUTS(_(" dated: "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3667 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3668 MSG_PUTS(ctime(&x));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3669 if (sx != 0 && x > sx)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3670 MSG_PUTS(_(" NEWER than swap file!\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3671 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3672 /* Some of these messages are long to allow translation to
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3673 * other languages. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3674 MSG_PUTS(_("\n(1) Another program may be editing the same file.\n If this is the case, be careful not to end up with two\n different instances of the same file when making changes.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3675 MSG_PUTS(_(" Quit, or continue with caution.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3676 MSG_PUTS(_("\n(2) An edit session for this file crashed.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3677 MSG_PUTS(_(" If this is the case, use \":recover\" or \"vim -r "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3678 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3679 MSG_PUTS(_("\"\n to recover the changes (see \":help recovery\").\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3680 MSG_PUTS(_(" If you did this already, delete the swap file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3681 msg_outtrans(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3682 MSG_PUTS(_("\"\n to avoid this message.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3683 cmdline_row = msg_row;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3684 --no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3685 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3686
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3687 #ifdef FEAT_AUTOCMD
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3688 static int do_swapexists __ARGS((buf_T *buf, char_u *fname));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3689
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3690 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3691 * Trigger the SwapExists autocommands.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3692 * Returns a value for equivalent to do_dialog() (see below):
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3693 * 0: still need to ask for a choice
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3694 * 1: open read-only
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3695 * 2: edit anyway
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3696 * 3: recover
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3697 * 4: delete it
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3698 * 5: quit
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3699 * 6: abort
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3700 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3701 static int
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3702 do_swapexists(buf, fname)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3703 buf_T *buf;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3704 char_u *fname;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3705 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3706 set_vim_var_string(VV_SWAPNAME, fname, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3707 set_vim_var_string(VV_SWAPCHOICE, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3708
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3709 /* Trigger SwapExists autocommands with <afile> set to the file being
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3710 * edited. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3711 apply_autocmds(EVENT_SWAPEXISTS, buf->b_fname, NULL, FALSE, NULL);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3712
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3713 set_vim_var_string(VV_SWAPNAME, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3714
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3715 switch (*get_vim_var_str(VV_SWAPCHOICE))
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3716 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3717 case 'o': return 1;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3718 case 'e': return 2;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3719 case 'r': return 3;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3720 case 'd': return 4;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3721 case 'q': return 5;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3722 case 'a': return 6;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3723 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3724
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3725 return 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3726 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3727 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3728
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3729 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3730 * Find out what name to use for the swap file for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3731 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3732 * Several names are tried to find one that does not exist
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3733 * Returns the name in allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3734 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3735 * Note: If BASENAMELEN is not correct, you will get error messages for
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3736 * not being able to open the swapfile
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3737 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3738 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3739 findswapname(buf, dirp, old_fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3740 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3741 char_u **dirp; /* pointer to list of directories */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3742 char_u *old_fname; /* don't give warning for this file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3743 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3744 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3745 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3746 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3747 #ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3748 BPTR fh;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3749 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3750 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3751 int r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3752 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3753
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3754 #if !defined(SHORT_FNAME) \
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3755 && ((!defined(UNIX) && !defined(OS2)) || defined(ARCHIE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3756 # define CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3757 FILE *dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3758
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3759 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3760 * If we start editing a new file, e.g. "test.doc", which resides on an MSDOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3761 * compatible filesystem, it is possible that the file "test.doc.swp" which we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3762 * create will be exactly the same file. To avoid this problem we temporarily
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3763 * create "test.doc".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3764 * Don't do this when the check below for a 8.3 file name is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3765 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3766 if (!(buf->b_p_sn || buf->b_shortname) && buf->b_fname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3767 && mch_getperm(buf->b_fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3768 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3769 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3770
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3771 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3772 * Isolate a directory name from *dirp and put it in dir_name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3773 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3774 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3775 dir_name = alloc((unsigned)STRLEN(*dirp) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3776 if (dir_name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3777 (void)copy_option_part(dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3778
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3779 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3780 * we try different names until we find one that does not exist yet
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3781 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3782 if (dir_name == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3783 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3784 else
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3785 fname = makeswapname(buf->b_fname, buf->b_ffname, buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3786
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3787 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3788 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3789 if (fname == NULL) /* must be out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3790 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3791 if ((n = (int)STRLEN(fname)) == 0) /* safety check */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3792 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3793 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3794 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3795 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3796 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3797 #if (defined(UNIX) || defined(OS2)) && !defined(ARCHIE) && !defined(SHORT_FNAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3798 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3799 * Some systems have a MS-DOS compatible filesystem that use 8.3 character
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3800 * 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
3801 * 8.3, detect if this is the case, set shortname and try again.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3802 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3803 if (fname[n - 2] == 'w' && fname[n - 1] == 'p'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3804 && !(buf->b_p_sn || buf->b_shortname))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3805 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3806 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3807 char_u *fname2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3808 struct stat s1, s2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3809 int f1, f2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3810 int created1 = FALSE, created2 = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3811 int same = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3812
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3813 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3814 * Check if swapfile name does not fit in 8.3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3815 * It either contains two dots, is longer than 8 chars, or starts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3816 * with a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3817 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3818 tail = gettail(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3819 if ( vim_strchr(tail, '.') != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3820 || STRLEN(tail) > (size_t)8
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3821 || *gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3822 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3823 fname2 = alloc(n + 2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3824 if (fname2 != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3825 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3826 STRCPY(fname2, fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3827 /* if fname == "xx.xx.swp", fname2 = "xx.xx.swx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3828 * if fname == ".xx.swp", fname2 = ".xx.swpx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3829 * if fname == "123456789.swp", fname2 = "12345678x.swp"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3830 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3831 if (vim_strchr(tail, '.') != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3832 fname2[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3833 else if (*gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3834 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3835 fname2[n] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3836 fname2[n + 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3837 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3838 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3839 fname2[n - 5] += 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3840 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3841 * may need to create the files to be able to use mch_stat()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3842 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3843 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3844 if (f1 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3845 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3846 f1 = mch_open_rw((char *)fname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3847 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3848 #if defined(OS2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3849 if (f1 < 0 && errno == ENOENT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3850 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3851 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3852 created1 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3853 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3854 if (f1 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3855 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3856 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3857 if (f2 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3858 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3859 f2 = mch_open_rw((char *)fname2,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3860 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3861 created2 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3862 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3863 if (f2 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3864 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3865 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3866 * Both files exist now. If mch_stat() returns the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3867 * same device and inode they are the same file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3868 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3869 if (mch_fstat(f1, &s1) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3870 && mch_fstat(f2, &s2) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3871 && s1.st_dev == s2.st_dev
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3872 && s1.st_ino == s2.st_ino)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3873 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3874 close(f2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3875 if (created2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3876 mch_remove(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3877 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3878 close(f1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3879 if (created1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3880 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3881 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3882 vim_free(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3883 if (same)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3884 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3885 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3886 vim_free(fname);
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3887 fname = makeswapname(buf->b_fname, buf->b_ffname,
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3888 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3889 continue; /* try again with b_shortname set */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3890 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3891 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3892 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3893 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3894 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3895 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3896 * check if the swapfile already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3897 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3898 if (mch_getperm(fname) < 0) /* it does not exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3899 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3900 #ifdef HAVE_LSTAT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3901 struct stat sb;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3902
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3903 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3904 * Extra security check: When a swap file is a symbolic link, this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3905 * is most likely a symlink attack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3906 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3907 if (mch_lstat((char *)fname, &sb) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3908 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3909 # ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3910 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3911 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3912 * on the Amiga mch_getperm() will return -1 when the file exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3913 * but is being used by another program. This happens if you edit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3914 * a file twice.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3915 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3916 if (fh != (BPTR)NULL) /* can open file, OK */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3917 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3918 Close(fh);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3919 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3920 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3921 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3922 if (IoErr() != ERROR_OBJECT_IN_USE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3923 && IoErr() != ERROR_OBJECT_EXISTS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3924 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3925 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3926 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3927 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3928
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3929 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3930 * A file name equal to old_fname is OK to use.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3931 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3932 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3933 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3934
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3935 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3936 * get here when file already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3937 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3938 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') /* first try */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3939 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3940 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3941 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3942 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3943 * and file.doc are the same file. To guess if this problem is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3944 * present try if file.doc.swx exists. If it does, we set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3945 * buf->b_shortname and try file_doc.swp (dots replaced by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3946 * underscores for this file), and try again. If it doesn't we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3947 * assume that "file.doc.swp" already exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3948 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3949 if (!(buf->b_p_sn || buf->b_shortname)) /* not tried yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3950 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3951 fname[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3952 r = mch_getperm(fname); /* try "file.swx" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3953 fname[n - 1] = 'p';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3954 if (r >= 0) /* "file.swx" seems to exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3955 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3956 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3957 vim_free(fname);
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3958 fname = makeswapname(buf->b_fname, buf->b_ffname,
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3959 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3960 continue; /* try again with '.' replaced with '_' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3961 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3962 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3963 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3964 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3965 * If we get here the ".swp" file really exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3966 * Give an error message, unless recovering, no file name, we are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3967 * viewing a help file or when the path of the file is different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3968 * (happens when all .swp files are in one directory).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3969 */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
3970 if (!recoverymode && buf->b_fname != NULL
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
3971 && !buf->b_help && !(buf->b_flags & BF_DUMMY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3972 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3973 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3974 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3975 int differ = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3976
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3977 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3978 * Try to read block 0 from the swap file to get the original
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3979 * file name (and inode number).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3980 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3981 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3982 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3983 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3984 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3985 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3986 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3987 * If the swapfile has the same directory as the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3988 * buffer don't compare the directory names, they can
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3989 * have a different mountpoint.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3990 */
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3991 if (b0.b0_flags & B0_SAME_DIR)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3992 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3993 if (fnamecmp(gettail(buf->b_ffname),
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3994 gettail(b0.b0_fname)) != 0
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3995 || !same_directory(fname, buf->b_ffname))
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3996 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3997 #ifdef CHECK_INODE
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3998 /* Symlinks may point to the same file even
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3999 * when the name differs, need to check the
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4000 * inode too. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4001 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4002 if (fnamecmp_ino(buf->b_ffname, NameBuff,
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4003 char_to_long(b0.b0_ino)))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4004 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4005 differ = TRUE;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4006 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4007 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4008 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4009 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4010 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4011 * The name in the swap file may be
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4012 * "~user/path/file". Expand it first.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4013 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4014 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4015 #ifdef CHECK_INODE
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4016 if (fnamecmp_ino(buf->b_ffname, NameBuff,
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4017 char_to_long(b0.b0_ino)))
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4018 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4019 #else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4020 if (fnamecmp(NameBuff, buf->b_ffname) != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4021 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4022 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4023 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4024 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4025 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4026 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4027 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4028 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4029 /* Can't open swap file, though it does exist.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4030 * Assume that the user is editing two files with
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4031 * the same name in different directories. No error.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4032 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4033 differ = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4034 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4035
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4036 /* give the ATTENTION message when there is an old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4037 * for the current file, and the buffer was not recovered. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4038 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4039 && vim_strchr(p_shm, SHM_ATTENTION) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4040 {
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4041 #if defined(HAS_SWAP_EXISTS_ACTION)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4042 int choice = 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4043 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4044 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4045 int did_use_dummy = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4046
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4047 /* Avoid getting a warning for the file being created
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4048 * outside of Vim, it was created at the start of this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4049 * function. Delete the file now, because Vim might exit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4050 * here if the window is closed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4051 if (dummyfd != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4052 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4053 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4054 dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4055 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4056 did_use_dummy = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4057 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4058 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4059
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4060 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4061 process_still_running = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4062 #endif
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4063 #ifdef FEAT_AUTOCMD
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4064 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4065 * If there is an SwapExists autocommand and we can handle
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4066 * the response, trigger it. It may return 0 to ask the
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4067 * user anyway.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4068 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4069 if (swap_exists_action != SEA_NONE
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4070 && has_autocmd(EVENT_SWAPEXISTS, buf->b_fname, buf))
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4071 choice = do_swapexists(buf, fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4072
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4073 if (choice == 0)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4074 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4075 {
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4076 #ifdef FEAT_GUI
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4077 /* If we are supposed to start the GUI but it wasn't
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4078 * completely started yet, start it now. This makes
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4079 * the messages displayed in the Vim window when
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4080 * loading a session from the .gvimrc file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4081 if (gui.starting && !gui.in_use)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4082 gui_start();
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4083 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4084 /* Show info about the existing swap file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4085 attention_message(buf, fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4086
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4087 /* We don't want a 'q' typed at the more-prompt
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4088 * interrupt loading a file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4089 got_int = FALSE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4090 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4091
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4092 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4093 if (swap_exists_action != SEA_NONE && choice == 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4094 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4095 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4096
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4097 name = alloc((unsigned)(STRLEN(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4098 + STRLEN(_("Swap file \""))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4099 + STRLEN(_("\" already exists!")) + 5));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4100 if (name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4101 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4102 STRCPY(name, _("Swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4103 home_replace(NULL, fname, name + STRLEN(name),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4104 1000, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4105 STRCAT(name, _("\" already exists!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4106 }
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4107 choice = do_dialog(VIM_WARNING,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4108 (char_u *)_("VIM - ATTENTION"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4109 name == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4110 ? (char_u *)_("Swap file already exists!")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4111 : name,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4112 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4113 process_still_running
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4114 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4115 # endif
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4116 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4117
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4118 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4119 if (process_still_running && choice >= 4)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4120 choice++; /* Skip missing "Delete it" button */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4121 # endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4122 vim_free(name);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4123
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4124 /* pretend screen didn't scroll, need redraw anyway */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4125 msg_scrolled = 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4126 redraw_all_later(NOT_VALID);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4127 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4128 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4129
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4130 #if defined(HAS_SWAP_EXISTS_ACTION)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4131 if (choice > 0)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4132 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4133 switch (choice)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4134 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4135 case 1:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4136 buf->b_p_ro = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4137 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4138 case 2:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4139 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4140 case 3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4141 swap_exists_action = SEA_RECOVER;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4142 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4143 case 4:
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4144 mch_remove(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4145 break;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4146 case 5:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4147 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4148 break;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4149 case 6:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4150 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4151 got_int = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4152 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4153 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4154
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4155 /* If the file was deleted this fname can be used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4156 if (mch_getperm(fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4157 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4158 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4159 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4160 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4161 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4162 MSG_PUTS("\n");
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4163 if (msg_silent == 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4164 /* call wait_return() later */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4165 need_wait_return = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4166 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4167
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4168 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4169 /* Going to try another name, need the dummy file again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4170 if (did_use_dummy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4171 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4172 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4173 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4174 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4175 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4176
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4177 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4178 * Change the ".swp" extension to find another file that can be used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4179 * First decrement the last char: ".swo", ".swn", etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4180 * 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
4181 * Can happen when editing many "No Name" buffers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4182 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4183 if (fname[n - 1] == 'a') /* ".s?a" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4184 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4185 if (fname[n - 2] == 'a') /* ".saa": tried enough, give up */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4186 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4187 EMSG(_("E326: Too many swap files found"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4188 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4189 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4190 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4191 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4192 --fname[n - 2]; /* ".svz", ".suz", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4193 fname[n - 1] = 'z' + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4194 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4195 --fname[n - 1]; /* ".swo", ".swn", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4196 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4197
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4198 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4199 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4200 if (dummyfd != NULL) /* file has been created temporarily */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4201 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4202 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4203 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4204 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4205 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4206 return fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4207 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4208
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4209 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4210 b0_magic_wrong(b0p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4211 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4212 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4213 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4214 || b0p->b0_magic_int != (int)B0_MAGIC_INT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4215 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4216 || b0p->b0_magic_char != B0_MAGIC_CHAR);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4217 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4218
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4219 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4220 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4221 * Compare current file name with file name from swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4222 * Try to use inode numbers when possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4223 * Return non-zero when files are different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4224 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4225 * When comparing file names a few things have to be taken into consideration:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4226 * - 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
4227 * We check the inode number if possible. It is not 100% reliable though,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4228 * because the device number cannot be used over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4229 * - 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
4230 * number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4231 * - 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
4232 * "~user" form is used whenever possible to avoid this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4233 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4234 * This is getting complicated, let's make a table:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4235 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4236 * ino_c ino_s fname_c fname_s differ =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4237 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4238 * both files exist -> compare inode numbers:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4239 * != 0 != 0 X X ino_c != ino_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4240 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4241 * inode number(s) unknown, file names available -> compare file names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4242 * == 0 X OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4243 * X == 0 OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4244 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4245 * current file doesn't exist, file for swap file exist, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4246 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4247 * == 0 != 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4248 * == 0 != 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4249 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4250 * current file exists, inode for swap unknown, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4251 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4252 * != 0 == 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4253 * != 0 == 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4254 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4255 * current file doesn't exist, inode for swap unknown, one file name not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4256 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4257 * == 0 == 0 FAIL OK TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4258 * == 0 == 0 OK FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4259 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4260 * current file doesn't exist, inode for swap unknown, both file names not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4261 * available -> probably same file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4262 * == 0 == 0 FAIL FAIL FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4263 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4264 * 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
4265 * can't be changed without making the block 0 incompatible with 32 bit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4266 * versions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4267 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4268
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4269 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4270 fnamecmp_ino(fname_c, fname_s, ino_block0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4271 char_u *fname_c; /* current file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4272 char_u *fname_s; /* file name from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4273 long ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4274 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4275 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4276 ino_t ino_c = 0; /* ino of current file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4277 ino_t ino_s; /* ino of file from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4278 char_u buf_c[MAXPATHL]; /* full path of fname_c */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4279 char_u buf_s[MAXPATHL]; /* full path of fname_s */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4280 int retval_c; /* flag: buf_c valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4281 int retval_s; /* flag: buf_s valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4282
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4283 if (mch_stat((char *)fname_c, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4284 ino_c = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4285
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4286 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4287 * 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
4288 * 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
4289 * valid on this machine), use the inode from block 0.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4290 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4291 if (mch_stat((char *)fname_s, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4292 ino_s = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4293 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4294 ino_s = (ino_t)ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4295
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4296 if (ino_c && ino_s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4297 return (ino_c != ino_s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4298
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4299 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4300 * One of the inode numbers is unknown, try a forced vim_FullName() and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4301 * compare the file names.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4302 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4303 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4304 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4305 if (retval_c == OK && retval_s == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4306 return (STRCMP(buf_c, buf_s) != 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4307
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4308 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4309 * Can't compare inodes or file names, guess that the files are different,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4310 * unless both appear not to exist at all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4311 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4312 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4313 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4314 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4315 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4316 #endif /* CHECK_INODE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4317
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4318 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4319 * Move a long integer into a four byte character array.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4320 * Used for machine independency in block zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4321 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4322 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4323 long_to_char(n, s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4324 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4325 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4326 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4327 s[0] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4328 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4329 s[1] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4330 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4331 s[2] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4332 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4333 s[3] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4334 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4335
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4336 static long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4337 char_to_long(s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4338 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4339 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4340 long retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4341
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4342 retval = s[3];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4343 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4344 retval |= s[2];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4345 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4346 retval |= s[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4347 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4348 retval |= s[0];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4349
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4350 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4351 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4352
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4353 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4354 * Set the flags in the first block of the swap file:
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4355 * - file is modified or not: buf->b_changed
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4356 * - 'fileformat'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4357 * - 'fileencoding'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4358 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4359 void
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4360 ml_setflags(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4361 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4362 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4363 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4364 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4365
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4366 if (!buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4367 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4368 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
4369 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4370 if (hp->bh_bnum == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4371 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4372 b0p = (ZERO_BL *)(hp->bh_data);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4373 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4374 b0p->b0_flags = (b0p->b0_flags & ~B0_FF_MASK)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4375 | (get_fileformat(buf) + 1);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4376 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4377 add_b0_fenc(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4378 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4379 hp->bh_flags |= BH_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4380 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4381 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4382 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4383 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4384 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4385
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4386 #if defined(FEAT_BYTEOFF) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4388 #define MLCS_MAXL 800 /* max no of lines in chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4389 #define MLCS_MINL 400 /* should be half of MLCS_MAXL */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4390
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4391 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4392 * Keep information for finding byte offset of a line, updtytpe may be one of:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4393 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4394 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4395 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4396 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4397 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4398 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4399 ml_updatechunk(buf, line, len, updtype)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4400 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4401 linenr_T line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4402 long len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4403 int updtype;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4404 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4405 static buf_T *ml_upd_lastbuf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4406 static linenr_T ml_upd_lastline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4407 static linenr_T ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4408 static int ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4409
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4410 linenr_T curline = ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4411 int curix = ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4412 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4413 chunksize_T *curchnk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4414 int rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4415 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4416 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4417
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4418 if (buf->b_ml.ml_usedchunks == -1 || len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4419 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4420 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4421 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4422 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4423 alloc((unsigned)sizeof(chunksize_T) * 100);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4424 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4425 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4426 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4427 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4428 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4429 buf->b_ml.ml_numchunks = 100;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4430 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4431 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4432 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4433 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4434
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4435 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4436 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4437 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4438 * First line in empty buffer from ml_flush_line() -- reset
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4439 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4440 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4441 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4442 buf->b_ml.ml_chunksize[0].mlcs_totalsize =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4443 (long)STRLEN(buf->b_ml.ml_line_ptr) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4444 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4445 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4446
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4447 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4448 * Find chunk that our line belongs to, curline will be at start of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4449 * chunk.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4450 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4451 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4452 || updtype != ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4453 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4454 for (curline = 1, curix = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4455 curix < buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4456 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4457 curix++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4458 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4459 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4460 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4461 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4462 else if (line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4463 && curix < buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4464 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4465 /* Adjust cached curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4466 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4467 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4469 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4470
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4471 if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4472 len *= -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4473 curchnk->mlcs_totalsize += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4474 if (updtype == ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4475 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4476 curchnk->mlcs_numlines++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4477
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4478 /* 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
4479 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4480 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4481 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4482 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4483 vim_realloc(buf->b_ml.ml_chunksize,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4484 sizeof(chunksize_T) * buf->b_ml.ml_numchunks);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4485 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4486 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4487 /* Hmmmm, Give up on offset for this buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4488 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4489 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4490 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4491 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4492
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4493 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4494 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4495 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4496 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4497 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4498 int linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4499
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4500 mch_memmove(buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4501 buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4502 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4503 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4504 /* Compute length of first half of lines in the splitted chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4505 size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4506 linecnt = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4507 while (curline < buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4508 && linecnt < MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4509 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4510 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4511 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4512 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4513 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4515 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4516 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4517 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4518 idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4519 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4520 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4521 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4522 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4523 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4524 /* Compute index of last line to use in this MEMLINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4525 rest = count - idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4526 if (linecnt + rest > MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4527 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4528 idx += MLCS_MINL - linecnt - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4529 linecnt = MLCS_MINL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4530 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4531 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4532 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4533 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4534 linecnt += rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4535 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4536 size += text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4537 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4538 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4539 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4540 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4541 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4542 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4543 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4544 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4545 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4546 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4547 && curix == buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4548 && buf->b_ml.ml_line_count - line <= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4549 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4550 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4551 * 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
4552 * after this. Do it now to avoid the loop above later on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4553 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4554 curchnk = buf->b_ml.ml_chunksize + curix + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4555 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4556 if (line == buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4557 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4558 curchnk->mlcs_numlines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4559 curchnk->mlcs_totalsize = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4560 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4561 else
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 * Line is just prior to last, move count for last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4565 * This is the common case when loading a new file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4566 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4567 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4568 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4569 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4570 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4571 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4572 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4573 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4574 if (dp->db_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4575 rest = dp->db_txt_end - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4576 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4577 rest =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4578 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4579 - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4580 curchnk->mlcs_totalsize = rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4581 curchnk->mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4582 curchnk[-1].mlcs_totalsize -= rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4583 curchnk[-1].mlcs_numlines -= 1;
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4587 else if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4588 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4589 curchnk->mlcs_numlines--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4590 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4591 if (curix < (buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4592 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4593 <= MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4594 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4595 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4596 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4597 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4598 else if (curix == 0 && curchnk->mlcs_numlines <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4599 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4600 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4601 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4602 buf->b_ml.ml_usedchunks * sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4603 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4604 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4605 else if (curix == 0 || (curchnk->mlcs_numlines > 10
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4606 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4607 > MLCS_MINL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4608 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4609 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4610 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4611
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4612 /* Collapse chunks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4613 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4614 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4615 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4616 if (curix < buf->b_ml.ml_usedchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4617 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4618 mch_memmove(buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4619 buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4620 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4621 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4622 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4623 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4624 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4625 ml_upd_lastbuf = buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4626 ml_upd_lastline = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4627 ml_upd_lastcurline = curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4628 ml_upd_lastcurix = curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4629 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4630
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4631 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4632 * Find offset for line or line with offset.
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4633 * Find line with offset if "lnum" is 0; return remaining offset in offp
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4634 * Find offset of line if "lnum" > 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4635 * return -1 if information is not available
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4636 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4637 long
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4638 ml_find_line_or_offset(buf, lnum, offp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4639 buf_T *buf;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4640 linenr_T lnum;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4641 long *offp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4642 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4643 linenr_T curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4644 int curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4645 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4646 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4647 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4648 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4649 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4650 int start_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4651 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4652 long offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4653 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4654 int ffdos = (get_fileformat(buf) == EOL_DOS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4655 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4656
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4657 /* take care of cached line first */
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4658 ml_flush_line(curbuf);
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4659
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4660 if (buf->b_ml.ml_usedchunks == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4661 || buf->b_ml.ml_chunksize == NULL
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4662 || lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4663 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4664
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4665 if (offp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4666 offset = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4667 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4668 offset = *offp;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4669 if (lnum == 0 && offset <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4670 return 1; /* Not a "find offset" and offset 0 _must_ be in line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4671 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4672 * Find the last chunk before the one containing our line. Last chunk is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4673 * special because it will never qualify
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4674 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4675 curline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4676 curix = size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4677 while (curix < buf->b_ml.ml_usedchunks - 1
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4678 && ((lnum != 0
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4679 && lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4680 || (offset != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4681 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4682 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4683 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4684 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4685 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4686 if (offset && ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4687 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4688 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4689 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4690
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4691 while ((lnum != 0 && curline < lnum) || (offset != 0 && size < offset))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4692 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4693 if (curline > buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4694 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4695 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4696 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4697 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4698 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4699 start_idx = idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4700 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4701 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4702 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4703 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4704 /* Compute index of last line to use in this MEMLINE */
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4705 if (lnum != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4706 {
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4707 if (curline + (count - idx) >= lnum)
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4708 idx += lnum - curline - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4709 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4710 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4711 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4712 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4713 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4714 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4715 while (offset >= size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4716 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4717 + ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4718 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4719 if (ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4720 size++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4721 if (idx == count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4722 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4723 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4724 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4725 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4726 idx++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4728 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4729 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4730 size += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4731 if (offset != 0 && size >= offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4732 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4733 if (size + ffdos == offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4734 *offp = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4735 else if (idx == start_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4736 *offp = offset - size + len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4737 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4738 *offp = offset - size + len
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4739 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4740 curline += idx - start_idx + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4741 if (curline > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4742 return -1; /* exactly one byte beyond the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4743 return curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4744 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4745 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4746 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4747
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4748 if (lnum != 0)
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4749 {
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4750 /* Count extra CR characters. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4751 if (ffdos)
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4752 size += lnum - 1;
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4753
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4754 /* Don't count the last line break if 'bin' and 'noeol'. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4755 if (buf->b_p_bin && !buf->b_p_eol)
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4756 size -= ffdos + 1;
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4757 }
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4758
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4759 return size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4760 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4761
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4762 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4763 * Goto byte in buffer with offset 'cnt'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4764 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4765 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4766 goto_byte(cnt)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4767 long cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4768 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4769 long boff = cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4770 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4771
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4772 ml_flush_line(curbuf); /* cached line may be dirty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4773 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4774 if (boff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4775 --boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4776 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4777 if (lnum < 1) /* past the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4778 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4779 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4780 curwin->w_curswant = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4781 coladvance((colnr_T)MAXCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4782 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4783 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4784 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4785 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4786 curwin->w_cursor.col = (colnr_T)boff;
572
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
4787 # ifdef FEAT_VIRTUALEDIT
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
4788 curwin->w_cursor.coladd = 0;
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
4789 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4790 curwin->w_set_curswant = TRUE;
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vimboss
parents:
diff changeset
4791 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4792 check_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4793
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4794 # ifdef FEAT_MBYTE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4795 /* Make sure the cursor is on the first byte of a multi-byte char. */
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vimboss
parents:
diff changeset
4796 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4797 mb_adjust_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4798 # endif
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vimboss
parents:
diff changeset
4799 }
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vimboss
parents:
diff changeset
4800 #endif