annotate src/memline.c @ 560:8b84fe17e147 v7.0159

updated for version 7.0159
author vimboss
date Fri, 25 Nov 2005 19:58:47 +0000
parents 7f2d3b3c15a2
children 2244be18d9e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 blocks
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17 * of memory, backed up by a file. The structure of the information is a tree.
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18 * The root of the tree is a pointer block. The leaves of the tree are data
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19 * blocks. In between may be several layers of pointer blocks, forming branches.
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20 *
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21 * Three types of blocks are used:
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22 * - Block nr 0 contains information for recovery
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23 * - Pointer blocks contain list of pointers to other blocks.
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24 * - Data blocks contain the actual text.
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25 *
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26 * Block nr 0 contains the block0 structure (see below).
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27 *
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28 * Block nr 1 is the first pointer block. It is the root of the tree.
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29 * Other pointer blocks are branches.
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30 *
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31 * If a line is too big to fit in a single page, the block containing that
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32 * line is made big enough to hold the line. It may span several pages.
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33 * Otherwise all blocks are one page.
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34 *
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35 * A data block that was filled when starting to edit a file and was not
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36 * changed since then, can have a negative block number. This means that it
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37 * has not yet been assigned a place in the file. When recovering, the lines
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38 * in this data block can be read from the original file. When the block is
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39 * changed (lines appended/deleted/changed) or when it is flushed it gets a
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40 * positive number. Use mf_trans_del() to get the new number, before calling
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41 * mf_get().
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42 */
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43
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44 #if defined(MSDOS) || defined(WIN32) || defined(_WIN64)
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45 # include <io.h>
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46 #endif
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47
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48 #include "vim.h"
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49
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50 #ifdef HAVE_FCNTL_H
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51 # include <fcntl.h>
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52 #endif
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53 #ifndef UNIX /* it's in os_unix.h for Unix */
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54 # include <time.h>
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55 #endif
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56
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57 #ifdef SASC
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58 # include <proto/dos.h> /* for Open() and Close() */
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59 #endif
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60
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61 typedef struct block0 ZERO_BL; /* contents of the first block */
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62 typedef struct pointer_block PTR_BL; /* contents of a pointer block */
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63 typedef struct data_block DATA_BL; /* contents of a data block */
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64 typedef struct pointer_entry PTR_EN; /* block/line-count pair */
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65
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66 #define DATA_ID (('d' << 8) + 'a') /* data block id */
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67 #define PTR_ID (('p' << 8) + 't') /* pointer block id */
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68 #define BLOCK0_ID0 'b' /* block 0 id 0 */
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69 #define BLOCK0_ID1 '0' /* block 0 id 1 */
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70
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71 /*
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72 * pointer to a block, used in a pointer block
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73 */
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74 struct pointer_entry
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75 {
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76 blocknr_T pe_bnum; /* block number */
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77 linenr_T pe_line_count; /* number of lines in this branch */
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78 linenr_T pe_old_lnum; /* lnum for this block (for recovery) */
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79 int pe_page_count; /* number of pages in block pe_bnum */
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80 };
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81
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82 /*
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83 * A pointer block contains a list of branches in the tree.
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84 */
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85 struct pointer_block
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86 {
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87 short_u pb_id; /* ID for pointer block: PTR_ID */
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88 short_u pb_count; /* number of pointer in this block */
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89 short_u pb_count_max; /* maximum value for pb_count */
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90 PTR_EN pb_pointer[1]; /* list of pointers to blocks (actually longer)
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91 * followed by empty space until end of page */
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92 };
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93
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94 /*
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95 * A data block is a leaf in the tree.
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96 *
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97 * The text of the lines is at the end of the block. The text of the first line
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98 * in the block is put at the end, the text of the second line in front of it,
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99 * etc. Thus the order of the lines is the opposite of the line number.
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100 */
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101 struct data_block
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102 {
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103 short_u db_id; /* ID for data block: DATA_ID */
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104 unsigned db_free; /* free space available */
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105 unsigned db_txt_start; /* byte where text starts */
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106 unsigned db_txt_end; /* byte just after data block */
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107 linenr_T db_line_count; /* number of lines in this block */
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108 unsigned db_index[1]; /* index for start of line (actually bigger)
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109 * followed by empty space upto db_txt_start
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110 * followed by the text in the lines until
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111 * end of page */
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112 };
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113
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114 /*
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115 * The low bits of db_index hold the actual index. The topmost bit is
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116 * used for the global command to be able to mark a line.
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117 * This method is not clean, but otherwise there would be at least one extra
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118 * byte used for each line.
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119 * The mark has to be in this place to keep it with the correct line when other
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120 * lines are inserted or deleted.
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121 */
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122 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1))
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123 #define DB_INDEX_MASK (~DB_MARKED)
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124
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125 #define INDEX_SIZE (sizeof(unsigned)) /* size of one db_index entry */
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126 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) /* size of data block header */
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127
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128 #define B0_FNAME_SIZE_ORG 900 /* what it was in older versions */
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129 #define B0_FNAME_SIZE 898
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130 #define B0_UNAME_SIZE 40
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131 #define B0_HNAME_SIZE 40
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132 /*
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133 * Restrict the numbers to 32 bits, otherwise most compilers will complain.
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134 * This won't detect a 64 bit machine that only swaps a byte in the top 32
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135 * bits, but that is crazy anyway.
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136 */
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137 #define B0_MAGIC_LONG 0x30313233L
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138 #define B0_MAGIC_INT 0x20212223L
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139 #define B0_MAGIC_SHORT 0x10111213L
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140 #define B0_MAGIC_CHAR 0x55
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141
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142 /*
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143 * Block zero holds all info about the swap file.
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144 *
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145 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing
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146 * swap files unusable!
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147 *
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148 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!!
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149 *
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150 * This block is built up of single bytes, to make it portable accros
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151 * different machines. b0_magic_* is used to check the byte order and size of
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152 * variables, because the rest of the swap file is not portable.
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153 */
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154 struct block0
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155 {
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156 char_u b0_id[2]; /* id for block 0: BLOCK0_ID0 and BLOCK0_ID1 */
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157 char_u b0_version[10]; /* Vim version string */
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158 char_u b0_page_size[4];/* number of bytes per page */
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159 char_u b0_mtime[4]; /* last modification time of file */
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160 char_u b0_ino[4]; /* inode of b0_fname */
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161 char_u b0_pid[4]; /* process id of creator (or 0) */
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162 char_u b0_uname[B0_UNAME_SIZE]; /* name of user (uid if no name) */
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163 char_u b0_hname[B0_HNAME_SIZE]; /* host name (if it has a name) */
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164 char_u b0_fname[B0_FNAME_SIZE_ORG]; /* name of file being edited */
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165 long b0_magic_long; /* check for byte order of long */
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166 int b0_magic_int; /* check for byte order of int */
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167 short b0_magic_short; /* check for byte order of short */
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168 char_u b0_magic_char; /* check for last char */
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169 };
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170
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171 /*
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172 * Note: b0_fname and b0_flags are put at the end of the file name. For very
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173 * long file names in older versions of Vim they are invalid.
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174 * The 'fileencoding' comes before b0_flags, with a NUL in front. But only
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175 * when there is room, for very long file names it's omitted.
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176 */
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177 #define B0_DIRTY 0x55
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178 #define b0_dirty b0_fname[B0_FNAME_SIZE_ORG-1]
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179
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180 /*
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181 * The b0_flags field is new in Vim 7.0.
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182 */
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183 #define b0_flags b0_fname[B0_FNAME_SIZE_ORG-2]
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184
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185 /* The lowest two bits contain the fileformat. Zero means it's not set
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parents: 34
diff changeset
186 * (compatible with Vim 6.x), otherwise it's EOL_UNIX + 1, EOL_DOS + 1 or
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parents: 34
diff changeset
187 * EOL_MAC + 1. */
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parents: 34
diff changeset
188 #define B0_FF_MASK 3
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parents: 34
diff changeset
189
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parents: 34
diff changeset
190 /* Swap file is in directory of edited file. Used to find the file from
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parents: 34
diff changeset
191 * different mount points. */
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parents: 34
diff changeset
192 #define B0_SAME_DIR 4
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parents: 34
diff changeset
193
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parents: 34
diff changeset
194 /* The 'fileencoding' is at the end of b0_fname[], with a NUL in front of it.
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parents: 34
diff changeset
195 * When empty there is only the NUL. */
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diff changeset
196 #define B0_HAS_FENC 8
7
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197
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198 #define STACK_INCR 5 /* nr of entries added to ml_stack at a time */
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diff changeset
199
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vimboss
parents:
diff changeset
200 /*
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vimboss
parents:
diff changeset
201 * The line number where the first mark may be is remembered.
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vimboss
parents:
diff changeset
202 * If it is 0 there are no marks at all.
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parents:
diff changeset
203 * (always used for the current buffer only, no buffer change possible while
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
204 * executing a global command).
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parents:
diff changeset
205 */
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parents:
diff changeset
206 static linenr_T lowest_marked = 0;
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diff changeset
207
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parents:
diff changeset
208 /*
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vimboss
parents:
diff changeset
209 * arguments for ml_find_line()
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parents:
diff changeset
210 */
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vimboss
parents:
diff changeset
211 #define ML_DELETE 0x11 /* delete line */
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vimboss
parents:
diff changeset
212 #define ML_INSERT 0x12 /* insert line */
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vimboss
parents:
diff changeset
213 #define ML_FIND 0x13 /* just find the line */
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parents:
diff changeset
214 #define ML_FLUSH 0x02 /* flush locked block */
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parents:
diff changeset
215 #define ML_SIMPLE(x) (x & 0x10) /* DEL, INS or FIND */
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diff changeset
216
39
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diff changeset
217 static void ml_upd_block0 __ARGS((buf_T *buf, int setfname));
7
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218 static void set_b0_fname __ARGS((ZERO_BL *, buf_T *buf));
39
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parents: 34
diff changeset
219 static void set_b0_dir_flag __ARGS((ZERO_BL *b0p, buf_T *buf));
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parents: 34
diff changeset
220 #ifdef FEAT_MBYTE
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diff changeset
221 static void add_b0_fenc __ARGS((ZERO_BL *b0p, buf_T *buf));
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parents: 34
diff changeset
222 #endif
7
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diff changeset
223 static time_t swapfile_info __ARGS((char_u *));
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vimboss
parents:
diff changeset
224 static int recov_file_names __ARGS((char_u **, char_u *, int prepend_dot));
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parents:
diff changeset
225 static int ml_append_int __ARGS((buf_T *, linenr_T, char_u *, colnr_T, int, int));
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parents:
diff changeset
226 static int ml_delete_int __ARGS((buf_T *, linenr_T, int));
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vimboss
parents:
diff changeset
227 static char_u *findswapname __ARGS((buf_T *, char_u **, char_u *));
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parents:
diff changeset
228 static void ml_flush_line __ARGS((buf_T *));
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parents:
diff changeset
229 static bhdr_T *ml_new_data __ARGS((memfile_T *, int, int));
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parents:
diff changeset
230 static bhdr_T *ml_new_ptr __ARGS((memfile_T *));
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vimboss
parents:
diff changeset
231 static bhdr_T *ml_find_line __ARGS((buf_T *, linenr_T, int));
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vimboss
parents:
diff changeset
232 static int ml_add_stack __ARGS((buf_T *));
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vimboss
parents:
diff changeset
233 static void ml_lineadd __ARGS((buf_T *, int));
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parents:
diff changeset
234 static int b0_magic_wrong __ARGS((ZERO_BL *));
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vimboss
parents:
diff changeset
235 #ifdef CHECK_INODE
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parents:
diff changeset
236 static int fnamecmp_ino __ARGS((char_u *, char_u *, long));
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vimboss
parents:
diff changeset
237 #endif
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parents:
diff changeset
238 static void long_to_char __ARGS((long, char_u *));
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vimboss
parents:
diff changeset
239 static long char_to_long __ARGS((char_u *));
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parents:
diff changeset
240 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
241 static char_u *make_percent_swname __ARGS((char_u *dir, char_u *name));
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vimboss
parents:
diff changeset
242 #endif
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vimboss
parents:
diff changeset
243 #ifdef FEAT_BYTEOFF
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parents:
diff changeset
244 static void ml_updatechunk __ARGS((buf_T *buf, long line, long len, int updtype));
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vimboss
parents:
diff changeset
245 #endif
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parents:
diff changeset
246
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
247 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
248 * open a new memline for 'curbuf'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
249 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
250 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
251 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
252 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
253 ml_open()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
254 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
255 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
256 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
257 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
258 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
259 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
260
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
261 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
262 * init fields in memline struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
263 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
264 curbuf->b_ml.ml_stack_size = 0; /* no stack yet */
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parents:
diff changeset
265 curbuf->b_ml.ml_stack = NULL; /* no stack yet */
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diff changeset
266 curbuf->b_ml.ml_stack_top = 0; /* nothing in the stack */
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diff changeset
267 curbuf->b_ml.ml_locked = NULL; /* no cached block */
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diff changeset
268 curbuf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
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diff changeset
269 #ifdef FEAT_BYTEOFF
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270 curbuf->b_ml.ml_chunksize = NULL;
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parents:
diff changeset
271 #endif
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diff changeset
272
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vimboss
parents:
diff changeset
273 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
274 * When 'updatecount' is non-zero, flag that a swap file may be opened later.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
275 */
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
276 if (p_uc && curbuf->b_p_swf)
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parents:
diff changeset
277 curbuf->b_may_swap = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
278 else
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
279 curbuf->b_may_swap = FALSE;
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vimboss
parents:
diff changeset
280
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
281 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
282 * Open the memfile. No swap file is created yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
283 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
284 mfp = mf_open(NULL, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
285 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
286 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
287
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
288 curbuf->b_ml.ml_mfp = mfp;
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parents:
diff changeset
289 curbuf->b_ml.ml_flags = ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
290 curbuf->b_ml.ml_line_count = 1;
13
24d5189d3956 updated for version 7.0005
vimboss
parents: 9
diff changeset
291 #ifdef FEAT_LINEBREAK
24d5189d3956 updated for version 7.0005
vimboss
parents: 9
diff changeset
292 curwin->w_nrwidth_line_count = 0;
24d5189d3956 updated for version 7.0005
vimboss
parents: 9
diff changeset
293 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
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diff changeset
294
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
295 #if defined(MSDOS) && !defined(DJGPP)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
296 /* for 16 bit MS-DOS create a swapfile now, because we run out of
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
297 * memory very quickly */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
298 if (p_uc != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
299 ml_open_file(curbuf);
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vimboss
parents:
diff changeset
300 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
301
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
302 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
303 * fill block0 struct and write page 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
304 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
305 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
306 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
307 if (hp->bh_bnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
308 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
309 EMSG(_("E298: Didn't get block nr 0?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
310 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
311 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
312 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
313
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
314 b0p->b0_id[0] = BLOCK0_ID0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
315 b0p->b0_id[1] = BLOCK0_ID1;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
316 b0p->b0_dirty = curbuf->b_changed ? B0_DIRTY : 0;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
317 b0p->b0_flags = get_fileformat(curbuf) + 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
318 b0p->b0_magic_long = (long)B0_MAGIC_LONG;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
319 b0p->b0_magic_int = (int)B0_MAGIC_INT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
320 b0p->b0_magic_short = (short)B0_MAGIC_SHORT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
321 b0p->b0_magic_char = B0_MAGIC_CHAR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
322
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
323 STRNCPY(b0p->b0_version, "VIM ", 4);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
324 STRNCPY(b0p->b0_version + 4, Version, 6);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
325 set_b0_fname(b0p, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
326 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
327 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
328 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
329 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
330 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
331 long_to_char(mch_get_pid(), b0p->b0_pid);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
332
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
333 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
334 * Always sync block number 0 to disk, so we can check the file name in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
335 * the swap file in findswapname(). Don't do this for help files though.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
336 * Only works when there's a swapfile, otherwise it's done when the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
337 * is created.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
338 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
339 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
340 if (!curbuf->b_help)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
341 (void)mf_sync(mfp, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
343 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
344 * fill in root pointer block and write page 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
345 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
346 if ((hp = ml_new_ptr(mfp)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
347 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
348 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
349 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
350 EMSG(_("E298: Didn't get block nr 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
351 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
352 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
353 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
354 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
355 pp->pb_pointer[0].pe_bnum = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 pp->pb_pointer[0].pe_line_count = 1; /* line count after insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 * allocate first data block and create an empty line 1.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
364 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
366 if (hp->bh_bnum != 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
367 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
368 EMSG(_("E298: Didn't get block nr 2?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
369 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
370 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
371
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 dp->db_index[0] = --dp->db_txt_start; /* at end of block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 dp->db_free -= 1 + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 dp->db_line_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
376 *((char_u *)dp + dp->db_txt_start) = NUL; /* emtpy line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 error:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 if (hp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385 mf_close(mfp, TRUE); /* will also free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387 curbuf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 * ml_setname() is called when the file name of "buf" has been changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 * It may rename the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
395 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 ml_setname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 int success = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 if (mfp->mf_fd < 0) /* there is no swap file yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411 * When 'updatecount' is 0 and 'noswapfile' there is no swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
412 * For help files we will make a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414 if (p_uc != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 ml_open_file(buf); /* create a swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416 return;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 * Try all directories in the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
423 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
425 if (*dirp == NUL) /* tried all directories, fail */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426 break;
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
427 fname = findswapname(buf, &dirp, mfp->mf_fname);
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
428 /* alloc's fname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 if (fname == NULL) /* no file name found for this dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
430 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
431
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
433 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434 * Set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
435 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
436 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
437 p = FullName_save(fname, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
438 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439 fname = p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
441 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
442 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 /* if the file name is the same we don't have to do anything */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 if (fnamecmp(fname, mfp->mf_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 {
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 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 /* need to close the swap file before renaming */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 if (mfp->mf_fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 close(mfp->mf_fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 mfp->mf_fd = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 /* try to rename the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 if (vim_rename(mfp->mf_fname, fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 vim_free(mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 mfp->mf_fname = fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 vim_free(mfp->mf_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 mf_set_ffname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
469 ml_upd_block0(buf, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
472 vim_free(fname); /* this fname didn't work, try another */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 if (mfp->mf_fd == -1) /* need to (re)open the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
477 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 if (mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 /* could not (re)open the swap file, what can we do???? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 EMSG(_("E301: Oops, lost the swap file!!!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 if (!success)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 EMSG(_("E302: Could not rename swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 * 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
491 * been modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 * Used when 'updatecount' changes from zero to non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
495 ml_open_files()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
496 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
499 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
500 if (!buf->b_p_ro || buf->b_changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501 ml_open_file(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 * 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
506 * If we are unable to find a file name, mf_fname will be NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 * and the memfile will be in memory only (no recovery possible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 ml_open_file(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
511 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
512 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
513 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
514 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 * Try all directories in 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
526 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 if (*dirp == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
529 /* There is a small chance that between chosing the swap file name and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
530 * creating it, another Vim creates the file. In that case the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
531 * creation will fail and we will use another directory. */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
532 fname = findswapname(buf, &dirp, NULL); /* allocates fname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
533 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
534 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
535 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
536 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
537 #if defined(MSDOS) || defined(MSWIN) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
538 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
539 * set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
540 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 mf_fullname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
544 ml_upd_block0(buf, FALSE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
545
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 /* Flush block zero, so others can read it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 if (mf_sync(mfp, MFS_ZERO) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 /* Writing block 0 failed: close the file and try another dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 mf_close_file(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
552 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 if (mfp->mf_fname == NULL) /* Failed! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 (void)EMSG2(_("E303: Unable to open swap file for \"%s\", recovery impossible"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 buf_spname(buf) != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 ? (char_u *)buf_spname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 : buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
564
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
565 /* don't try to open a swap file again */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 buf->b_may_swap = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
568
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
569 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
570 * 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
571 * file, or reading into an existing buffer, create a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
572 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
574 check_need_swap(newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 int newfile; /* reading file into new buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 ml_open_file(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 * Close memline for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 * If 'del_file' is TRUE, delete the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 ml_close(buf, del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590 if (buf->b_ml.ml_mfp == NULL) /* not open */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 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
594 vim_free(buf->b_ml.ml_line_ptr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 vim_free(buf->b_ml.ml_chunksize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 buf->b_ml.ml_chunksize = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 buf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 /* Reset the "recovered" flag, give the ATTENTION prompt the next time
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 * this buffer is loaded. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 buf->b_flags &= ~BF_RECOVERED;
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 all existing memlines and memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 * Only used when exiting.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 * When 'del_file' is TRUE, delete the memfiles.
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
611 * 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
612 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 ml_close_all(del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
620 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
621 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 #ifdef TEMPDIRNAMES
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 vim_deltempdir(); /* delete created temp directory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 * Close all memfiles for not modified buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 * Only use just before exiting!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632 ml_close_notmod()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
637 if (!bufIsChanged(buf))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 ml_close(buf, TRUE); /* close all not-modified buffers */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 * Update the timestamp in the .swp file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 * Used when the file has been written.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
646 ml_timestamp(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
647 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
649 ml_upd_block0(buf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
650 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
651
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
652 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
653 * Update the timestamp or the B0_SAME_DIR flag of the .swp file.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
654 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
655 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
656 ml_upd_block0(buf, setfname)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
657 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
658 int setfname;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
659 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 if (mfp == NULL || (hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 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
669 EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
671 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
672 if (setfname)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
673 set_b0_fname(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
674 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
675 set_b0_dir_flag(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
676 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
677 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
678 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
679
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
680 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
681 * Write file name and timestamp into block 0 of a swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
682 * Also set buf->b_mtime.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
683 * Don't use NameBuff[]!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
684 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
685 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 set_b0_fname(b0p, buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 if (buf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
695 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 #if defined(MSDOS) || defined(MSWIN) || defined(AMIGA) || defined(RISCOS)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
697 /* Systems that cannot translate "~user" back into a path: copy the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
698 * file name unmodified. Do use slashes instead of backslashes for
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
699 * portability. */
419
f713fc55bf7b updated for version 7.0109
vimboss
parents: 374
diff changeset
700 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE - 1);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
701 # ifdef BACKSLASH_IN_FILENAME
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
702 forward_slash(b0p->b0_fname);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
703 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705 size_t flen, ulen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 * For a file under the home directory of the current user, we try to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 * replace the home directory path with "~user". This helps when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 * editing the same file on different machines over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 * First replace home dir path with "~/" with home_replace().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 * Then insert the user name to get "~user/".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 home_replace(NULL, buf->b_ffname, b0p->b0_fname, B0_FNAME_SIZE, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 if (b0p->b0_fname[0] == '~')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 flen = STRLEN(b0p->b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 /* If there is no user name or it is too long, don't use "~/" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE - 1)
419
f713fc55bf7b updated for version 7.0109
vimboss
parents: 374
diff changeset
722 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
723 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
724 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
725 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
726 mch_memmove(b0p->b0_fname + 1, uname, ulen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
728 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
729 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 if (mch_stat((char *)buf->b_ffname, &st) >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 long_to_char((long)st.st_mtime, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 long_to_char((long)st.st_ino, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 buf_store_time(buf, &st, buf->b_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 buf->b_mtime_read = buf->b_mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 long_to_char(0L, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 long_to_char(0L, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 buf->b_mtime = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 buf->b_mtime_read = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 buf->b_orig_size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
748 buf->b_orig_mode = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
751
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
752 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
753 /* Also add the 'fileencoding' if there is room. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
754 add_b0_fenc(b0p, curbuf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
755 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
759 * 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
760 * swapfile for "buf" are in the same directory.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
761 * 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
762 * not set.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
763 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
764 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
765 set_b0_dir_flag(b0p, buf)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
766 ZERO_BL *b0p;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
767 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
768 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
769 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
770 b0p->b0_flags |= B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
771 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
772 b0p->b0_flags &= ~B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
773 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
774
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
775 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
776 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
777 * When there is room, add the 'fileencoding' to block zero.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
778 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
779 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
780 add_b0_fenc(b0p, buf)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
781 ZERO_BL *b0p;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
782 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
783 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
784 int n;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
785
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
786 n = STRLEN(buf->b_p_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
787 if (STRLEN(b0p->b0_fname) + n + 1 > B0_FNAME_SIZE)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
788 b0p->b0_flags &= ~B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
789 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
790 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
791 mch_memmove((char *)b0p->b0_fname + B0_FNAME_SIZE - n,
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
792 (char *)buf->b_p_fenc, (size_t)n);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
793 *(b0p->b0_fname + B0_FNAME_SIZE - n - 1) = NUL;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
794 b0p->b0_flags |= B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
795 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
796 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
797 #endif
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
798
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
799
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
800 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
801 * try to recover curbuf from the .swp file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
802 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
803 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
804 ml_recover()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
805 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
806 buf_T *buf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
807 memfile_T *mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
808 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
809 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
810 ZERO_BL *b0p;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
811 int b0_ff;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
812 char_u *b0_fenc = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
813 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
814 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
815 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
816 blocknr_T bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
817 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
818 struct stat org_stat, swp_stat;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
819 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
820 int directly;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
821 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
822 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
823 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
824 long error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
825 int cannot_open;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
826 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827 int has_error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 int txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 off_t size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 int called_from_main;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 int serious_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 long mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 int attr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
837 recoverymode = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
838 called_from_main = (curbuf->b_ml.ml_mfp == NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 attr = hl_attr(HLF_E);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 * If the file name ends in ".sw?" we use it directly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 * Otherwise a search is done to find the swap file(s).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 fname = curbuf->b_fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 if (fname == NULL) /* When there is no file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 fname = (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 len = (int)STRLEN(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 if (len >= 4 &&
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 STRNICMP(fname + len - 4, "_sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 STRNICMP(fname + len - 4, ".sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 directly = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 fname = vim_strsave(fname); /* make a copy for mf_open() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 directly = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 /* count the number of matching swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 len = recover_names(&fname, FALSE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 if (len == 0) /* no swap files found */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 EMSG2(_("E305: No swap file found for %s"), fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 if (len == 1) /* one swap file found, use it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 else /* several swap files found, choose */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 /* list the names of the swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875 (void)recover_names(&fname, TRUE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
876 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
877 MSG_PUTS(_("Enter number of swap file to use (0 to quit): "));
374
575dacb554d8 updated for version 7.0096
vimboss
parents: 274
diff changeset
878 i = get_number(FALSE, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 if (i < 1 || i > len)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
881 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 /* get the swap file name that will be used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 (void)recover_names(&fname, FALSE, i);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 goto theend; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888 /* When called from main() still need to initialize storage structure */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 if (called_from_main && ml_open() == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 getout(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 * allocate a buffer structure (only the memline in it is really used)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 buf = (buf_T *)alloc((unsigned)sizeof(buf_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 * init fields in memline struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
904 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 buf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908 buf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 buf->b_ml.ml_locked = NULL; /* no locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 buf->b_ml.ml_flags = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913 * open the memfile from the old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
914 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
915 p = vim_strsave(fname); /* save fname for the message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 (mf_open() may free fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917 mfp = mf_open(fname, O_RDONLY); /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 if (mfp == NULL || mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
920 if (p != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
921 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 EMSG2(_("E306: Cannot open %s"), p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924 }
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 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 buf->b_ml.ml_mfp = mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
930 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 * The page size set in mf_open() might be different from the page size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 * 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
933 * 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
934 * be set to the real value below.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE;
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 * try to read block 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
940 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
941 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 MSG_PUTS_ATTR(_("Unable to read block 0 from "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946 MSG_PUTS_ATTR(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
947 _("\nMaybe no changes were made or Vim did not update the swap file."),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
948 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
953 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 msg_outtrans_attr(mfp->mf_fname, MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958 MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
959 MSG_PUTS_ATTR(_("Use Vim version 3.0.\n"), MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
960 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 EMSG2(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 if (b0_magic_wrong(b0p))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 msg_start();
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 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 MSG_PUTS_ATTR(_(" cannot be used on this computer.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 MSG_PUTS_ATTR(_("The file was created on "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 /* avoid going past the end of a currupted hostname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 MSG_PUTS_ATTR(b0p->b0_hname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
984 MSG_PUTS_ATTR(_(",\nor the file has been damaged."), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 * If we guessed the wrong page size, we have to recalculate the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 * highest block number in the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 if ((size = lseek(mfp->mf_fd, (off_t)0L, SEEK_END)) <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 mfp->mf_blocknr_max = 0; /* no file or empty file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 mfp->mf_infile_count = mfp->mf_blocknr_max;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 * If .swp file name given directly, use name from swap file for buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 if (directly)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 expand_env(b0p->b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1013 smsg((char_u *)_("Using swap file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 if (buf_spname(curbuf) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 STRCPY(NameBuff, buf_spname(curbuf));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1019 smsg((char_u *)_("Original file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 * check date of swap file and original file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 mtime = char_to_long(b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 if (curbuf->b_ffname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 && org_stat.st_mtime > swp_stat.st_mtime)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 || org_stat.st_mtime != mtime))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 EMSG(_("E308: Warning: Original file may have been changed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 out_flush();
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1035
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1036 /* Get the 'fileformat' and 'fileencoding' from block zero. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1037 b0_ff = (b0p->b0_flags & B0_FF_MASK);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1038 if (b0p->b0_flags & B0_HAS_FENC)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1039 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1040 for (p = b0p->b0_fname + B0_FNAME_SIZE;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1041 p > b0p->b0_fname && p[-1] != NUL; --p)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1042 ;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1043 b0_fenc = vim_strnsave(p, b0p->b0_fname + B0_FNAME_SIZE - p);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1044 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1045
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047 hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 * 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
1051 * contents of the current buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 * Try reading the original file to obtain the values of 'fileformat',
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 * 'fileencoding', etc. Ignore errors. The text itself is not used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 if (curbuf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1061 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1062 (void)readfile(curbuf->b_ffname, NULL, (linenr_T)0,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1063 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1064 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1065 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1066 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1067
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1068 /* Use the 'fileformat' and 'fileencoding' as stored in the swap file. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1069 if (b0_ff != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1070 set_fileformat(b0_ff - 1, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1071 if (b0_fenc != NULL)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1072 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1073 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1074 vim_free(b0_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1075 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1076 unchanged(curbuf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1077
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 bnum = 1; /* start with block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 page_count = 1; /* which is 1 page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 lnum = 0; /* append after line 0 in curbuf */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 idx = 0; /* start with first index in block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 error = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 buf->b_ml.ml_stack = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 if (curbuf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1089 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091 cannot_open = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093 serious_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1094 for ( ; !got_int; line_breakcheck())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1095 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1096 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1097 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1098
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1099 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1100 * get block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1101 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1102 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1103 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 EMSG2(_("E309: Unable to read block 1 from %s"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113 else /* there is a block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 if (pp->pb_id == PTR_ID) /* it is a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118 /* check line count when using pointer block first time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 if (idx == 0 && line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 line_count -= pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 if (line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 if (pp->pb_count == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 else if (idx < (int)pp->pb_count) /* go a block deeper */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 if (pp->pb_pointer[idx].pe_bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1140 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 * Data block with negative block number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 * Try to read lines from the original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 * This is slow, but it works.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 if (!cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 if (readfile(curbuf->b_ffname, NULL, lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 pp->pb_pointer[idx].pe_old_lnum - 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 line_count, NULL, 0) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 lnum += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156 if (cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 ml_append(lnum++, (char_u *)_("???LINES MISSING"),
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 ++idx; /* get same block again for next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 * going one block deeper in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 break; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 else /* not a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 if (dp->db_id != DATA_ID) /* block id wrong */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191 EMSG2(_("E310: Block 1 ID wrong (%s not a .swp file?)"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 * it is a data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203 * Append all the lines in this block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 has_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 * check length of block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 * if wrong, use length in pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 if (page_count * mfp->mf_page_size != dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 /* make sure there is a NUL at the end of the block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220 *((char_u *)dp + dp->db_txt_end - 1) = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 * check number of lines in block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 * if wrong, use count in data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226 if (line_count != dp->db_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 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
1229 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 for (i = 0; i < dp->db_line_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 txt_start = (dp->db_index[i] & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 if (txt_start <= HEADER_SIZE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 || txt_start >= (int)dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 p = (char_u *)"???";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244 p = (char_u *)dp + txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 ml_append(lnum++, p, (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247 if (has_error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 ml_append(lnum++, (char_u *)_("???END"), (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 if (buf->b_ml.ml_stack_top == 0) /* finished */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 * go one block up in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 idx = ip->ip_index + 1; /* go to next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 * 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
1267 * the buffer. Delete it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 curbuf->b_flags |= BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 if (got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 EMSG(_("E311: Recovery Interrupted"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 else if (error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 EMSG(_("E312: Errors detected while recovering; look for lines starting with ???"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281 MSG(_("See \":help E312\" for more information."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 MSG(_("Recovery completed. You should check if everything is OK."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 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
1288 MSG_PUTS(_("and run diff with the original file to check for changes)\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 MSG_PUTS(_("Delete the .swp file afterwards.\n\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 redraw_curbuf_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1300 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1301 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 vim_free(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 if (serious_error && called_from_main)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 ml_close(curbuf, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305 #ifdef FEAT_AUTOCMD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 * Find the names of swap files in current directory and the directory given
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 * with the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319 * Used to:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 * - list the swap files for "vim -r"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 * - count the number of swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 * - list the swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1323 * - find the name of the n'th swap file when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 recover_names(fname, list, nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 char_u **fname; /* base for swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 int list; /* when TRUE, list the swap file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 int nr; /* when non-zero, return nr'th swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 char_u *(names[6]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 int num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 int file_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 char_u **files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342 if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 /* use msg() to start the scrolling properly */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 msg((char_u *)_("Swap files found:"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 * Do the loop for every directory in 'directory'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 dir_name = alloc((unsigned)STRLEN(p_dir) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 while (dir_name != NULL && *dirp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 * Isolate a directory name from *dirp and put it in dir_name (we know
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 * it is large enough, so use 31000 for length).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 * Advance dirp to next directory name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 (void)copy_option_part(&dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 names[0] = vim_strsave((char_u *)"*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 names[0] = vim_strsave((char_u *)"*_sw#");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374 names[0] = vim_strsave((char_u *)"*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 names[1] = vim_strsave((char_u *)".*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 names[2] = vim_strsave((char_u *)".sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1383 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 names[1] = vim_strsave((char_u *)".*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1386 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 num_names = recov_file_names(names, *fname, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 else /* check directory dir_name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 names[0] = concat_fnames(dir_name, (char_u *)"*_sw#", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 p = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1425 if (after_pathsep(dir_name, p) && p[-1] == p[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 /* Ends with '//', Use Full path for swap name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 tail = make_percent_swname(dir_name, *fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1431 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 tail = gettail(*fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1434 tail = concat_fnames(dir_name, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 if (tail == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 num_names = recov_file_names(names, tail, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441 vim_free(tail);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 /* check for out-of-memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 if (names[i] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1451 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 if (num_names == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 else if (expand_wildcards(num_names, names, &num_files, &files,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 * When no swap file found, wildcard expansion might have failed (e.g.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 * not able to execute the shell).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465 * Try finding a swap file by simply adding ".swp" to the file name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 if (*dirp == NUL && file_count + num_files == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 && fname != NULL && *fname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471 char_u *swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 swapname = modname(*fname, (char_u *)"_swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 swapname = modname(*fname, (char_u *)".swp", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 if (swapname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 files = (char_u **)alloc((unsigned)sizeof(char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 if (files != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 files[0] = swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 swapname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487 num_files = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 vim_free(swapname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 * remove swapfile name of the current buffer, it must be ignored
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 if (curbuf->b_ml.ml_mfp != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 vim_free(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 --num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 for ( ; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 files[i] = files[i + 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 if (nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 if (nr <= file_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 *fname = vim_strsave(files[nr - 1 + num_files - file_count]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 dirp = (char_u *)""; /* stop searching */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 else if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 if (dir_name[0] == '.' && dir_name[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 MSG_PUTS(_(" In current directory:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 MSG_PUTS(_(" Using specified name:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 MSG_PUTS(_(" In directory "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 msg_home_replace(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 MSG_PUTS(":\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 if (num_files)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1535 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 /* print the swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 msg_outnum((long)++file_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 MSG_PUTS(". ");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 msg_puts(gettail(files[i]));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 (void)swapfile_info(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 MSG_PUTS(_(" -- none --\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 FreeWild(num_files, files);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 return file_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 * Append the full path to name with path separators made into percent
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 make_percent_swname(dir, name)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 char_u *dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1571 char_u *d, *s, *f;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 f = fix_fname(name != NULL ? name : (char_u *) "");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 d = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 if (f != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 s = alloc((unsigned)(STRLEN(f) + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1580 STRCPY(s, f);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1581 for (d = s; *d != NUL; mb_ptr_adv(d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1582 if (vim_ispathsep(*d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1583 *d = '%';
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 d = concat_fnames(dir, s, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587 vim_free(f);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 return d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 #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
1594 static int process_still_running;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1598 * Give information about an existing swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599 * Returns timestamp (0 when unknown).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 static time_t
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 swapfile_info(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1607 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1608 time_t x = (time_t)0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1609 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1610 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 /* print the swap file date */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 if (mch_stat((char *)fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 /* print name of owner of the file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 MSG_PUTS(_(" owned by: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1621 msg_outtrans(uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1625 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 MSG_PUTS(ctime(&x)); /* includes '\n' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 * print the original file name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 MSG_PUTS(_(" [from Vim version 3.0]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 else if (b0.b0_id[0] != BLOCK0_ID0 || b0.b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 MSG_PUTS(_(" [does not look like a Vim swap file]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 MSG_PUTS(_(" file name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 if (b0.b0_fname[0] == NUL)
9
4102fb4ea781 updated for version 7.0002
vimboss
parents: 7
diff changeset
1652 MSG_PUTS(_("[No Name]"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 msg_outtrans(b0.b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656 MSG_PUTS(_("\n modified: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 MSG_PUTS(b0.b0_dirty ? _("YES") : _("no"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 MSG_PUTS(_("\n user name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 msg_outtrans(b0.b0_uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 if (*(b0.b0_hname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 MSG_PUTS(_(" host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670 MSG_PUTS(_("\n host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 msg_outtrans(b0.b0_hname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 if (char_to_long(b0.b0_pid) != 0L)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 MSG_PUTS(_("\n process ID: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 msg_outnum(char_to_long(b0.b0_pid));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 #if defined(UNIX) || defined(__EMX__)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1679 /* EMX kill() not working correctly, it seems */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 if (kill((pid_t)char_to_long(b0.b0_pid), 0) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682 MSG_PUTS(_(" (still running)"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 process_still_running = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 if (b0_magic_wrong(&b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 MSG_PUTS(_("\n [not usable with this version of Vim]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 MSG_PUTS(_("\n [not usable on this computer]"));
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 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1701 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 MSG_PUTS(_(" [cannot be read]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 MSG_PUTS(_(" [cannot be opened]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 return x;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 recov_file_names(names, path, prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 char_u **names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 char_u *path;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716 int prepend_dot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 * (MS-DOS) always short names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 names[0] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 #else /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 * (Win32 and Win64) never short names, but do prepend a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 * Only use the short name if it is different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735 int shortname = curbuf->b_shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 curbuf->b_shortname = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 * 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
1744 * dir as original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746 if (prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 names[num_names] = modname(path, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 * Form the normal swap file name pattern by appending ".sw?".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 names[num_names] = concat_fnames(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768 if (num_names >= 1) /* check if we have the same name twice */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 p = names[num_names - 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1771 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 if (STRCMP(p, names[num_names]) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 * Also try with 'shortname' set, in case the file is on a DOS filesystem.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 curbuf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 names[num_names] = modname(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 names[num_names] = modname(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 names[num_names] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801 * Remove the one from 'shortname', if it's the same as with 'noshortname'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 p = names[num_names];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 if (STRCMP(names[num_names - 1], p) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 end:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 curbuf->b_shortname = shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 #endif /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 return num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 * sync all memlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826 * If 'check_file' is TRUE, check if original file exists and was not changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 * If 'check_char' is TRUE, stop syncing when character becomes available, but
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 * always sync at least one block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 ml_sync_all(check_file, check_char)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 int check_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 int check_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 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
1841 continue; /* no file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 && buf->b_ffname != NULL)
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 * If the original file does not exist anymore or has been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 * call ml_preserve() to get rid of all negative numbered blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 if (mch_stat((char *)buf->b_ffname, &st) == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 || st.st_mtime != buf->b_mtime_read
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 || (size_t)st.st_size != buf->b_orig_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 ml_preserve(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 did_check_timestamps = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 need_check_timestamps = TRUE; /* give message later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 if (buf->b_ml.ml_mfp->mf_dirty)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 | (bufIsChanged(buf) ? MFS_FLUSH : 0));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 if (check_char && ui_char_avail()) /* character available now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1868 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 * sync one buffer, including negative blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 * after this all the blocks are in the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 * Used for the :preserve command and when the original file has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 * changed or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 * when message is TRUE the success of preserving is reported
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 ml_preserve(buf, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 int status;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 int got_int_save = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 if (mfp == NULL || mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 EMSG(_("E313: Cannot preserve, there is no swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 /* We only want to stop when interrupted here, not when interrupted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 * before. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 /* stack is invalid after mf_sync(.., MFS_ALL) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 * Some of the data blocks may have been changed from negative to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 * positive block number. In that case the pointer blocks need to be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 * updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 * We don't know in which pointer block the references are, so we visit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 * all data blocks until there are no more translations to be done (or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 * 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
1919 * e.g. when file system if full).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 * ml_find_line() does the work by translating the negative block numbers
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 * when getting the first line of each data block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 if (mf_need_trans(mfp) && !got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 lnum = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 /* sync the updated pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 got_int |= got_int_save;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1946 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 if (status == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 MSG(_("File preserved"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 EMSG(_("E314: Preserve failed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 * NOTE: The pointer returned by the ml_get_*() functions only remains valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 * until the next call!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 * line1 = ml_get(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 * line2 = ml_get(2); // line1 is now invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 * Make a copy of the line if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 * get a pointer to a (read-only copy of a) line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 * On failure an error message is given and IObuff is returned (to avoid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 * having to check for error everywhere).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 ml_get(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972 return ml_get_buf(curbuf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 * ml_get_pos: get pointer to position 'pos'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 ml_get_pos(pos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 pos_T *pos;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 * ml_get_curline: get pointer to cursor line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 ml_get_curline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 * ml_get_cursor: get pointer to cursor position
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 ml_get_cursor()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001 curwin->w_cursor.col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 * get a pointer to a line in a specific buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 * "will_change": if TRUE mark the buffer dirty (chars in the line will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 * changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011 ml_get_buf(buf, lnum, will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 int will_change; /* line will be changed */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 char_u *ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 EMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 errorret:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 STRCPY(IObuff, "???");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 return IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 if (lnum <= 0) /* pretend line 0 is line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 return (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 * See if it is the same line as requested last time.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 * Otherwise may need to flush last used line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 if (buf->b_ml.ml_line_lnum != lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 ml_flush_line(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 EMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 goto errorret;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 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
2055 buf->b_ml.ml_line_ptr = ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056 buf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059 if (will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 return buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 * Check if a line that was just obtained by a call to ml_get
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067 * is in allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 ml_line_alloced()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 * 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
2077 * "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
2078 * buffer, unlocking may make it invalid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 * will be set for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2082 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 * appended_lines().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088 ml_append(lnum, line, len, newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091 colnr_T len; /* length of new line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 if (curbuf->b_ml.ml_line_lnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2104 ml_append_int(buf, lnum, line, len, newfile, mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2105 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 colnr_T len; /* length of line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 int mark; /* mark the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 int line_count; /* number of indexes in current block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 int offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 int from, to;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 int space_needed; /* space needed for new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 int page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 int db_idx; /* index for lnum in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 /* lnum out of range */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2130 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2131 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2132
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2133 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2134 len = (colnr_T)STRLEN(line) + 1; /* space needed for the text */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2135 space_needed = len + INDEX_SIZE; /* space needed for text + index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2136
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2137 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2138 page_size = mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2139
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2140 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2141 * find the data block containing the previous line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2142 * 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
2143 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2144 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2145 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2146 ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2147 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2148
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2149 buf->b_ml.ml_flags &= ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2150
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2151 if (lnum == 0) /* got line one instead, correct db_idx */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 db_idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 * If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 * - there is not enough room in the current block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 * - appending to the last line in the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 * - not appending to the last line in the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 * insert in front of the next block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 if ((int)dp->db_free < space_needed && db_idx == line_count - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 && lnum < buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 * 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
2172 * expected, the line count has to be adjusted in the pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 * by using ml_locked_lineadd.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188 ++buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 if ((int)dp->db_free >= space_needed) /* enough room in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2192 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 * Insert new line in existing data block, or in data block allocated above.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 dp->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 dp->db_free -= space_needed;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197 ++(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 * move the text of the lines that follow to the front
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 * adjust the indexes of the lines that follow
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 if (line_count > db_idx + 1) /* if there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206 * Offset is the start of the previous line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 * This will become the character just after the new line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 if (db_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 offset = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 mch_memmove((char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 (char *)dp + dp->db_txt_start + len,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 (size_t)(offset - (dp->db_txt_start + len)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 for (i = line_count - 1; i > db_idx; --i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 dp->db_index[i + 1] = dp->db_index[i] - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 dp->db_index[db_idx + 1] = offset - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 else /* add line at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2221 dp->db_index[db_idx + 1] = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 * copy the text into the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228 dp->db_index[db_idx + 1] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 * Mark the block dirty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 if (!newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 else /* not enough space in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 * 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
2241 * lines into it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 * Then we have to insert an entry in the pointer block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 * 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
2244 * to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 long line_count_left, line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 int page_count_left, page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 bhdr_T *hp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 bhdr_T *hp_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 bhdr_T *hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 int lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 int data_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 int total_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 DATA_BL *dp_right, *dp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 int in_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 int lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 blocknr_T bnum_left, bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 linenr_T lnum_left, lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 int pb_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 PTR_BL *pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 * We are going to allocate a new data block. Depending on the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 * situation it will be put to the left or right of the existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 * block. If possible we put the new line in the left block and move
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 * the lines after it to the right block. Otherwise the new line is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270 * also put in the right block. This method is more efficient when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271 * inserting a lot of lines at one place.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 if (db_idx < 0) /* left block is new, right block is existing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 lines_moved = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 in_left = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 else /* left block is existing, right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 lines_moved = line_count - db_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 if (lines_moved == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 total_moved = data_moved + lines_moved * INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2290 if ((int)dp->db_free + total_moved >= space_needed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 in_left = TRUE; /* put new line in left block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2293 space_needed = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 space_needed += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 /* correct line counts in pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313 hp_left = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 hp_right = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 line_count_right = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 hp_left = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 hp_right = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 line_count_left = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 dp_right = (DATA_BL *)(hp_right->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 dp_left = (DATA_BL *)(hp_left->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 bnum_left = hp_left->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 bnum_right = hp_right->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 page_count_left = hp_left->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 page_count_right = hp_right->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 * May move the new line into the right/new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 if (!in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 dp_right->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 dp_right->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 dp_right->db_index[0] = dp_right->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 dp_right->db_index[0] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 ++line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 * may move lines from the left/old block to the right/new one.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 if (lines_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 dp_right->db_txt_start -= data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 dp_right->db_free -= total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 (char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 (size_t)data_moved);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 offset = dp_right->db_txt_start - dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 dp_left->db_txt_start += data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 dp_left->db_free += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 * update indexes in the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 for (to = line_count_right, from = db_idx + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 from < line_count_left; ++from, ++to)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2368 dp_right->db_index[to] = dp->db_index[from] + offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 line_count_right += lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2370 line_count_left -= lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2371 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 * May move the new line into the left (old or new) block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 dp_left->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2379 dp_left->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2380 dp_left->db_index[line_count_left] = dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 dp_left->db_index[line_count_left] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 mch_memmove((char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 ++line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 lnum_left = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 lnum_right = lnum + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 lnum_right = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 dp_left->db_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 dp_right->db_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 * release the two data blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 * The new one (hp_new) already has a correct blocknumber.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 * The old one (hp, in ml_locked) gets a positive blocknumber if
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 * we changed it and we are not editing a new file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 if (lines_moved || in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 if (!newfile && db_idx >= 0 && in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 * flush the old data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418 * set ml_locked_lineadd to 0, because the updating of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2419 * pointer blocks is done below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421 lineadd = buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 * update pointer blocks for the new data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 pb_idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 EMSG(_("E317: pointer block id wrong 3"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 * TODO: If the pointer block is full and we are adding at the end
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 * try to insert in front of the next block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 /* block not full, add one entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 if (pp->pb_count < pp->pb_count_max)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 if (pb_idx + 1 < (int)pp->pb_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 mch_memmove(&pp->pb_pointer[pb_idx + 2],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 ++pp->pb_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 if (lnum_left != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 if (lnum_right != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 if (lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 --(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473 ml_lineadd(buf, lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 /* fix stack itself */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 * We are finished, break the loop here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 else /* pointer block full */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 * split the pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489 * allocate a new pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 * move some of the pointer into the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 * prepare for updating the parent block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 for (;;) /* do this twice when splitting block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 hp_new = ml_new_ptr(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 if (hp_new == NULL) /* TODO: try to fix tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 pp_new = (PTR_BL *)(hp_new->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 * if block 1 becomes full the tree is given an extra level
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 * The pointers from block 1 are moved into the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 * block 1 is updated to point to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 * then continue to split the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509 mch_memmove(pp_new, pp, (size_t)page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 hp = hp_new; /* new block is to be split */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517 pp = pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 CHECK(stack_idx != 0, _("stack_idx should be 0"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 ip->ip_index = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 ++stack_idx; /* do block 1 again later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 * move the pointers after the current one to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 * If there are none, the new entry will be in the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 total_moved = pp->pb_count - pb_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 if (total_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 mch_memmove(&pp_new->pb_pointer[0],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 (size_t)(total_moved) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 pp_new->pb_count = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533 pp->pb_count -= total_moved - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537 if (lnum_right)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 pp_new->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 pp_new->pb_pointer[0].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 pp_new->pb_pointer[0].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 pp_new->pb_pointer[0].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 pp_new->pb_pointer[0].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551 if (lnum_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2555
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2556 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2557 * recompute line counts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 for (i = 0; i < (int)pp_new->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561 line_count_right += pp_new->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 line_count_left += pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 bnum_left = hp->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 bnum_right = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 page_count_left = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 page_count_right = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 * Safety check: fallen out of for loop?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 if (stack_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 EMSG(_("E318: Updated too many blocks?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 buf->b_ml.ml_stack_top = 0; /* invalidate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 /* The line was inserted below 'lnum' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 if (STRLEN(line) > 0)
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2593 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, STRLEN(line));
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2594 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 (char_u *)"\n", 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 * replace line lnum, with buffering, in current buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604 * If copy is TRUE, make a copy of the line, otherwise the line has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 * copied to allocated memory already.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 * changed_lines(), unless update_screen(NOT_VALID) is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613 ml_replace(lnum, line, copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 char_u *line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 int copy;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 if (line == NULL) /* just checking... */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 if (copy && (line = vim_strsave(line)) == NULL) /* allocate memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum)));
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2631 netbeans_inserted(curbuf, lnum, 0, line, STRLEN(line));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 if (curbuf->b_ml.ml_line_lnum != lnum) /* other line buffered */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 ml_flush_line(curbuf); /* flush it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 else if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) /* same line allocated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 vim_free(curbuf->b_ml.ml_line_ptr); /* free it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 curbuf->b_ml.ml_line_ptr = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 curbuf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 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
2641
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2642 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2643 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 * delete line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649 * deleted_lines() after this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2651 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2653 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 ml_delete(lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 return ml_delete_int(curbuf, lnum, message);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 ml_delete_int(buf, lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 int text_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 int line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 long line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2680
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 if (lnum < 1 || lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 lowest_marked--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 * If the file becomes empty the last line is replaced by an empty line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2690 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 if (message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 && !netbeansSuppressNoLines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2695 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 set_keep_msg((char_u *)_(no_lines_msg));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 keep_msg_attr = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 /* FEAT_BYTEOFF already handled in there, dont worry 'bout it below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 buf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 return i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710 * 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
2711 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 /* compute line count before the delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 count = (long)(buf->b_ml.ml_locked_high)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 - (long)(buf->b_ml.ml_locked_low) + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 --buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729 if (idx == 0) /* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 line_size = dp->db_txt_end - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735 if (usingNetbeans)
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2736 netbeans_removed(buf, lnum, 0, (long)line_size);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 * 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
2741 * Then we have to remove the entry, pointing to this data block, from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 * pointer block. If this pointer block also becomes empty, we go up another
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 * block, and so on, up to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2746 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2747 if (count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 mf_free(mfp, hp); /* free the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 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
2753 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2758 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 EMSG(_("E317: pointer block id wrong 4"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763 mf_put(mfp, hp, FALSE, FALSE);
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 count = --(pp->pb_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 if (count == 0) /* the pointer block becomes empty! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 mf_free(mfp, hp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 if (count != idx) /* move entries after the deleted one */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 (size_t)(count - idx) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2788 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 CHECK(stack_idx < 0, _("deleted block 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 * delete the text by moving the next lines forwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796 text_start = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 mch_memmove((char *)dp + text_start + line_size,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798 (char *)dp + text_start, (size_t)(line_start - text_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2800 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 * delete the index by moving the next indexes backwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 * Adjust the indexes for the text movement.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 for (i = idx; i < count - 1; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 dp->db_index[i] = dp->db_index[i + 1] + line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 dp->db_free += line_size + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 dp->db_txt_start += line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 --(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 * mark the block dirty and make sure it is in the file (for recovery)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 * set the B_MARKED flag for line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 ml_setmarked(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832 /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 || curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 if (lowest_marked == 0 || lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 lowest_marked = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2839
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2840 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2841 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 * 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
2843 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 * find the first line with its B_MARKED flag set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 linenr_T
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857 ml_firstmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2862 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2863
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2864 if (curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2865 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2866
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2867 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2868 * The search starts with lowest_marked line. This is the last line where
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2869 * a mark was found, adjusted by inserting/deleting lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2870 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2871 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2872 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2873 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2874 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2875 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2876 * block This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2877 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2878 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2879 return (linenr_T)0; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2880
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2881 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2882
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2883 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2884 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2885 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2886 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2887 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2888 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2889 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2890 return lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 #if 0 /* not used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2899 * return TRUE if line 'lnum' has a mark
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2900 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2901 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 ml_has_mark(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2903 linenr_T lnum;
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
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 if (curbuf->b_ml.ml_mfp == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 || (hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2911
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2912 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2913 return (int)((dp->db_index[lnum - curbuf->b_ml.ml_locked_low]) & DB_MARKED);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2914 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2915 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2916
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2917 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2918 * clear all DB_MARKED flags
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2919 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2920 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2921 ml_clearmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2922 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2923 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2924 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2925 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2926 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2927
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2928 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2929 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2930
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2931 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2932 * The search starts with line lowest_marked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2933 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2934 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2935 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2936 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2937 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2938 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2939 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2940 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2941 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2942 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2943
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2944 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2945
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2946 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2947 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2948 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2949 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2950 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2951 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2952 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2953 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2954
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2955 lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2956 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2957 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2958
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2959 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2960 * flush ml_line if necessary
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2961 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2962 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2963 ml_flush_line(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2964 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2965 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2966 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2967 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2968 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2969 char_u *new_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2970 char_u *old_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2971 colnr_T new_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2972 int old_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2973 int extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2974 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 int start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2982 if (buf->b_ml.ml_flags & ML_LINE_DIRTY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 lnum = buf->b_ml.ml_line_lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2985 new_line = buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2986
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989 EMSGN(_("E320: Cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 old_line = (char_u *)dp + start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 if (idx == 0) /* line is last in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 old_len = dp->db_txt_end - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 else /* text of previous line follows */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000 new_len = (colnr_T)STRLEN(new_line) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001 extra = new_len - old_len; /* negative if lines gets smaller */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3002
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3003 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3004 * if new line fits in data block, replace directly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3005 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3006 if ((int)dp->db_free >= extra)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3007 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3008 /* if the length changes and there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3009 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3010 if (extra != 0 && idx < count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3011 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3012 /* move text of following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3013 mch_memmove((char *)dp + dp->db_txt_start - extra,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3014 (char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3015 (size_t)(start - dp->db_txt_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3016
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3017 /* adjust pointers of this and following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3018 for (i = idx + 1; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3019 dp->db_index[i] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3020 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3021 dp->db_index[idx] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3022
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3023 /* adjust free space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3024 dp->db_free -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3025 dp->db_txt_start -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3026
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3027 /* copy new line into the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3028 mch_memmove(old_line - extra, new_line, (size_t)new_len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3029 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3030 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3031 /* The else case is already covered by the insert and delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3032 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3033 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3034 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3035 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3036 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3037 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3038 * Cannot do it in one data block: Delete and append.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3039 * Append first, because ml_delete_int() cannot delete the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3040 * last line in a buffer, which causes trouble for a buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3041 * that has only one line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3042 * Don't forget to copy the mark!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3043 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3044 /* How about handling errors??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3045 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3046 (dp->db_index[idx] & DB_MARKED));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3047 (void)ml_delete_int(buf, lnum, FALSE);
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 vim_free(new_line);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3051 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3052
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3053 buf->b_ml.ml_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3054 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3055
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3056 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3057 * create a new, empty, data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3058 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3059 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3060 ml_new_data(mfp, negative, page_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3061 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3062 int negative;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3063 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3064 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3065 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3066 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3067
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3068 if ((hp = mf_new(mfp, negative, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3069 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3070
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3071 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3072 dp->db_id = DATA_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3073 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3074 dp->db_free = dp->db_txt_start - HEADER_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3075 dp->db_line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3076
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3077 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3078 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3079
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3080 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3081 * create a new, empty, pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3082 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3083 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3084 ml_new_ptr(mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3085 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3086 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3087 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3088 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3089
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3090 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3091 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3092
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3093 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3094 pp->pb_id = PTR_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3095 pp->pb_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3096 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
3097
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3098 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3099 }
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 * lookup line 'lnum' in a memline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3103 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3104 * action: if ML_DELETE or ML_INSERT the line count is updated while searching
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3105 * if ML_FLUSH only flush a locked block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3106 * if ML_FIND just find the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3107 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3108 * If the block was found it is locked and put in ml_locked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3109 * 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
3110 * the stack is updated to reflect the last line in the block AFTER the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3111 * insert or delete, also if the pointer block has not been updated yet. But
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3112 * if if ml_locked != NULL ml_locked_lineadd must be added to ip_high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3113 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3114 * return: NULL for failure, pointer to block header otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3115 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3116 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3117 ml_find_line(buf, lnum, action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3118 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3119 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3120 int action;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3121 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3122 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3123 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3124 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3125 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3126 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3127 linenr_T t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3128 blocknr_T bnum, bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3129 int dirty;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3130 linenr_T low, high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3131 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3132 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3133 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3134
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3135 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3136
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3137 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3138 * If there is a locked block check if the wanted line is in it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3139 * If not, flush and release the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3140 * 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
3141 * 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
3142 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3143 if (buf->b_ml.ml_locked)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3144 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3145 if (ML_SIMPLE(action) && buf->b_ml.ml_locked_low <= lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3146 && buf->b_ml.ml_locked_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3147 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3148 /* remember to update pointer blocks and stack later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3149 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3150 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3151 ++(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3152 ++(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3153 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3154 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3155 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3156 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3157 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3158 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3159 return (buf->b_ml.ml_locked);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3160 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3161
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 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
3163 buf->b_ml.ml_flags & ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3165
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3166 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3167 * if lines have been added or deleted in the locked block, need to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3168 * update the line count in pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3169 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3170 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3171 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3172 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3173
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3174 if (action == ML_FLUSH) /* nothing else to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3175 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3176
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3177 bnum = 1; /* start at the root of the tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3178 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3179 low = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3180 high = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3181
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3182 if (action == ML_FIND) /* first try stack entries */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3183 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3184 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3185 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3186 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3187 if (ip->ip_low <= lnum && ip->ip_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3188 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3189 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3190 low = ip->ip_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3191 high = ip->ip_high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3192 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3193 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3194 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3195 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3196 if (top < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3197 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3198 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3199 else /* ML_DELETE or ML_INSERT */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3200 buf->b_ml.ml_stack_top = 0; /* start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3201
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3202 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3203 * search downwards in the tree until a data block is found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3204 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3205 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3206 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3207 if ((hp = mf_get(mfp, bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3208 goto error_noblock;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3209
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3210 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3211 * update high for insert/delete
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3212 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3213 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3214 ++high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3215 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3216 --high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3217
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3218 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3219 if (dp->db_id == DATA_ID) /* data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3220 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3221 buf->b_ml.ml_locked = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3222 buf->b_ml.ml_locked_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3223 buf->b_ml.ml_locked_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3224 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3225 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3226 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3227 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3228
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3229 pp = (PTR_BL *)(dp); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3230 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3231 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3232 EMSG(_("E317: pointer block id wrong"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3234 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3237 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3238 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3239 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 ip->ip_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241 ip->ip_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 ip->ip_index = -1; /* index not known yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 dirty = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 for (idx = 0; idx < (int)pp->pb_count; ++idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247 t = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248 CHECK(t == 0, _("pe_line_count is zero"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 if ((low += t) > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 high = low - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 low -= t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3256
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3257 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3258 * a negative block number may have been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 if (bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 bnum2 = mf_trans_del(mfp, bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263 if (bnum != bnum2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 bnum = bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266 pp->pb_pointer[idx].pe_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 if (lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277 EMSGN(_("E322: line number out of range: %ld past the end"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 lnum - buf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 EMSGN(_("E323: line count wrong in block %ld"), bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3283 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 pp->pb_pointer[idx].pe_line_count--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 pp->pb_pointer[idx].pe_line_count++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 mf_put(mfp, hp, dirty, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297 error_block:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299 error_noblock:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 * 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
3302 * the incremented/decremented line counts, because there won't be a line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3303 * inserted/deleted after all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3305 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306 ml_lineadd(buf, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3307 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3308 ml_lineadd(buf, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3309 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3310 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3311 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3312
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3313 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314 * add an entry to the info pointer stack
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3315 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3316 * return -1 for failure, number of the new entry otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3317 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3319 ml_add_stack(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3321 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323 infoptr_T *newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3324
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325 top = buf->b_ml.ml_stack_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3326
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327 /* may have to increase the stack size */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3328 if (top == buf->b_ml.ml_stack_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3330 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3331
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3332 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3333 (buf->b_ml.ml_stack_size + STACK_INCR));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3334 if (newstack == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3335 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3336 mch_memmove(newstack, buf->b_ml.ml_stack, (size_t)top * sizeof(infoptr_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3337 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3338 buf->b_ml.ml_stack = newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3339 buf->b_ml.ml_stack_size += STACK_INCR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3340 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3341
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3342 buf->b_ml.ml_stack_top++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3343 return top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3344 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3345
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3346 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3347 * Update the pointer blocks on the stack for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3348 * The stack itself is also updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3349 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3350 * When a insert/delete line action fails, the line is not inserted/deleted,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3351 * but the pointer blocks have already been updated. That is fixed here by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3352 * walking through the stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3353 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3354 * Count is the number of lines added, negative if lines have been deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3355 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3356 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3357 ml_lineadd(buf, count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3358 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3359 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3360 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3361 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3362 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3363 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3364 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3365 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3366
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3367 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3368 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3369 ip = &(buf->b_ml.ml_stack[idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3370 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3371 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3372 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3373 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3375 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3376 EMSG(_("E317: pointer block id wrong 2"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3377 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3378 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3379 pp->pb_pointer[ip->ip_index].pe_line_count += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3380 ip->ip_high += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3381 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3382 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3383 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3384
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3385 /*
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3386 * Make swap file name out of the file name and a directory name.
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3387 * Returns pointer to allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3388 */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3389 /*ARGSUSED*/
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3390 char_u *
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3391 makeswapname(fname, ffname, buf, dir_name)
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3392 char_u *fname;
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3393 char_u *ffname;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3394 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3395 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3397 char_u *r, *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 s = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3401 if (after_pathsep(dir_name, s) && s[-1] == s[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3402 { /* Ends with '//', Use Full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403 r = NULL;
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3404 if ((s = make_percent_swname(dir_name, fname)) != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3406 r = modname(s, (char_u *)".swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3407 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3408 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3409 return r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3410 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413 r = buf_modname(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 TRUE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3417 (buf->b_p_sn || buf->b_shortname),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 /* Avoid problems if fname has special chars, eg <Wimp$Scrap> */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3421 ffname,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 #else
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3423 fname,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3424 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3425 (char_u *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3426 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3427 "_swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3428 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 ".swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3431 #ifdef SHORT_FNAME /* always 8.3 file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3432 FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3433 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3434 /* Prepend a '.' to the swap file name for the current directory. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3435 dir_name[0] == '.' && dir_name[1] == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3436 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3437 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3438 if (r == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3439 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3440
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3441 s = get_file_in_dir(r, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3442 vim_free(r);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3443 return s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3444 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3445
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3446 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3447 * Get file name to use for swap file or backup file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3448 * 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
3449 * option "dname".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3450 * - If "dname" is ".", return "fname" (swap file in dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3451 * - If "dname" starts with "./", insert "dname" in "fname" (swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3452 * relative to dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3453 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3454 * dir).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3455 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3456 * The return value is an allocated string and can be NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3457 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3458 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3459 get_file_in_dir(fname, dname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3460 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3461 char_u *dname; /* don't use "dirname", it is a global for Alpha */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3462 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3463 char_u *t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3464 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3465 char_u *retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3466 int save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3467
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3468 tail = gettail(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3469
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3470 if (dname[0] == '.' && dname[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3471 retval = vim_strsave(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3472 else if (dname[0] == '.' && vim_ispathsep(dname[1]))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3473 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3474 if (tail == fname) /* no path before file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3475 retval = concat_fnames(dname + 2, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3476 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3477 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3478 save_char = *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3479 *tail = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3480 t = concat_fnames(fname, dname + 2, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3481 *tail = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3482 if (t == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3483 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3484 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3485 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3486 retval = concat_fnames(t, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3487 vim_free(t);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3488 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3489 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3490 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3491 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3492 retval = concat_fnames(dname, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3493
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3494 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3495 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3496
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3497 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3498 * Find out what name to use for the swap file for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3499 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3500 * Several names are tried to find one that does not exist
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3501 * Returns the name in allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3502 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3503 * Note: If BASENAMELEN is not correct, you will get error messages for
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3504 * not being able to open the swapfile
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3505 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3506 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3507 findswapname(buf, dirp, old_fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3508 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3509 char_u **dirp; /* pointer to list of directories */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3510 char_u *old_fname; /* don't give warning for this file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3511 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3512 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3513 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3514 time_t x, sx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3515 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3516 #ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517 BPTR fh;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3518 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3519 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3520 int r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3521 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3522
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3523 #if !defined(SHORT_FNAME) \
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3524 && ((!defined(UNIX) && !defined(OS2)) || defined(ARCHIE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 # define CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3526 FILE *dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3527
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3528 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3529 * 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
3530 * compatible filesystem, it is possible that the file "test.doc.swp" which we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531 * create will be exactly the same file. To avoid this problem we temporarily
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3532 * create "test.doc".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3533 * 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
3534 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3535 if (!(buf->b_p_sn || buf->b_shortname) && buf->b_fname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3536 && mch_getperm(buf->b_fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3537 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3538 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3539
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3540 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3541 * Isolate a directory name from *dirp and put it in dir_name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3542 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3544 dir_name = alloc((unsigned)STRLEN(*dirp) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3545 if (dir_name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3546 (void)copy_option_part(dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3547
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3548 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3549 * we try different names until we find one that does not exist yet
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3550 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3551 if (dir_name == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3552 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3553 else
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3554 fname = makeswapname(buf->b_fname, buf->b_ffname, buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3555
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3556 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3557 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3558 if (fname == NULL) /* must be out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560 if ((n = (int)STRLEN(fname)) == 0) /* safety check */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3561 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3562 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3563 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3564 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3565 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3566 #if (defined(UNIX) || defined(OS2)) && !defined(ARCHIE) && !defined(SHORT_FNAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3567 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3568 * Some systems have a MS-DOS compatible filesystem that use 8.3 character
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3569 * 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
3570 * 8.3, detect if this is the case, set shortname and try again.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3571 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3572 if (fname[n - 2] == 'w' && fname[n - 1] == 'p'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3573 && !(buf->b_p_sn || buf->b_shortname))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3574 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3575 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3576 char_u *fname2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3577 struct stat s1, s2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3578 int f1, f2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3579 int created1 = FALSE, created2 = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3580 int same = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3581
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3582 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3583 * Check if swapfile name does not fit in 8.3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3584 * It either contains two dots, is longer than 8 chars, or starts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3585 * with a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3586 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3587 tail = gettail(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3588 if ( vim_strchr(tail, '.') != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3589 || STRLEN(tail) > (size_t)8
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3590 || *gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3591 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3592 fname2 = alloc(n + 2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3593 if (fname2 != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3594 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3595 STRCPY(fname2, fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3596 /* if fname == "xx.xx.swp", fname2 = "xx.xx.swx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3597 * if fname == ".xx.swp", fname2 = ".xx.swpx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3598 * if fname == "123456789.swp", fname2 = "12345678x.swp"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3599 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3600 if (vim_strchr(tail, '.') != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3601 fname2[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3602 else if (*gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3603 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3604 fname2[n] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3605 fname2[n + 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3606 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3607 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3608 fname2[n - 5] += 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3609 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3610 * may need to create the files to be able to use mch_stat()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3611 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3612 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3613 if (f1 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3614 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3615 f1 = mch_open_rw((char *)fname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3616 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3617 #if defined(OS2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3618 if (f1 < 0 && errno == ENOENT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3619 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3620 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3621 created1 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3622 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3623 if (f1 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3624 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3625 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3626 if (f2 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3627 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3628 f2 = mch_open_rw((char *)fname2,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3629 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3630 created2 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3632 if (f2 >= 0)
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 * Both files exist now. If mch_stat() returns the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3636 * same device and inode they are the same file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3637 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3638 if (mch_fstat(f1, &s1) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3639 && mch_fstat(f2, &s2) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3640 && s1.st_dev == s2.st_dev
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3641 && s1.st_ino == s2.st_ino)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3642 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3643 close(f2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3644 if (created2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3645 mch_remove(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3646 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3647 close(f1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3648 if (created1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3649 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3650 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3651 vim_free(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3652 if (same)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3653 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3654 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3655 vim_free(fname);
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3656 fname = makeswapname(buf->b_fname, buf->b_ffname,
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3657 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3658 continue; /* try again with b_shortname set */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3659 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3660 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3661 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3662 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3663 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3664 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3665 * check if the swapfile already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3666 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3667 if (mch_getperm(fname) < 0) /* it does not exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3668 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3669 #ifdef HAVE_LSTAT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3670 struct stat sb;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3671
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3672 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3673 * Extra security check: When a swap file is a symbolic link, this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3674 * is most likely a symlink attack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3675 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3676 if (mch_lstat((char *)fname, &sb) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3677 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3678 # ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3679 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3680 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3681 * on the Amiga mch_getperm() will return -1 when the file exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3682 * but is being used by another program. This happens if you edit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3683 * a file twice.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3684 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3685 if (fh != (BPTR)NULL) /* can open file, OK */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3686 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3687 Close(fh);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3688 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3689 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3691 if (IoErr() != ERROR_OBJECT_IN_USE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3692 && IoErr() != ERROR_OBJECT_EXISTS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3693 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3694 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3695 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3696 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3697
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3698 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3699 * A file name equal to old_fname is OK to use.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3700 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3701 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3702 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3703
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3704 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3705 * get here when file already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3706 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3707 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') /* first try */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3708 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3709 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3710 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3711 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3712 * and file.doc are the same file. To guess if this problem is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3713 * present try if file.doc.swx exists. If it does, we set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3714 * buf->b_shortname and try file_doc.swp (dots replaced by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3715 * underscores for this file), and try again. If it doesn't we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3716 * assume that "file.doc.swp" already exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3717 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3718 if (!(buf->b_p_sn || buf->b_shortname)) /* not tried yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3719 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3720 fname[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3721 r = mch_getperm(fname); /* try "file.swx" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3722 fname[n - 1] = 'p';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3723 if (r >= 0) /* "file.swx" seems to exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3724 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3725 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3726 vim_free(fname);
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3727 fname = makeswapname(buf->b_fname, buf->b_ffname,
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3728 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3729 continue; /* try again with '.' replaced with '_' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3730 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3731 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3732 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3733 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3734 * If we get here the ".swp" file really exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3735 * Give an error message, unless recovering, no file name, we are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3736 * viewing a help file or when the path of the file is different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3737 * (happens when all .swp files are in one directory).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3738 */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
3739 if (!recoverymode && buf->b_fname != NULL
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
3740 && !buf->b_help && !(buf->b_flags & BF_DUMMY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3741 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3742 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3743 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3744 int differ = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3745
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3746 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3747 * Try to read block 0 from the swap file to get the original
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3748 * file name (and inode number).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3749 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3750 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3751 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3752 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3753 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3754 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3755 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3756 * If the swapfile has the same directory as the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3757 * buffer don't compare the directory names, they can
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3758 * have a different mountpoint.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3759 */
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3760 if (b0.b0_flags & B0_SAME_DIR)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3761 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3762 if (fnamecmp(gettail(buf->b_ffname),
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3763 gettail(b0.b0_fname)) != 0
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3764 || !same_directory(fname, buf->b_ffname))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3765 differ = TRUE;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3766 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3767 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3768 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3769 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3770 * The name in the swap file may be
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3771 * "~user/path/file". Expand it first.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3772 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3773 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3774 #ifdef CHECK_INODE
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3775 if (fnamecmp_ino(buf->b_ffname, NameBuff,
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3776 char_to_long(b0.b0_ino)))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3777 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3778 #else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3779 if (fnamecmp(NameBuff, buf->b_ffname) != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3780 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3781 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3782 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3784 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3785 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3786 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3787 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3788 /* Can't open swap file, though it does exist.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3789 * Assume that the user is editing two files with
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3790 * the same name in different directories. No error.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3791 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3792 differ = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3793 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3794
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3795 /* give the ATTENTION message when there is an old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3796 * for the current file, and the buffer was not recovered. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3797 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3798 && vim_strchr(p_shm, SHM_ATTENTION) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3799 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3800 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3801 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3802 int did_use_dummy = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3803
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3804 /* Avoid getting a warning for the file being created
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3805 * outside of Vim, it was created at the start of this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3806 * function. Delete the file now, because Vim might exit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3807 * here if the window is closed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3808 if (dummyfd != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3809 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3810 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3811 dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3812 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3813 did_use_dummy = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3814 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3815 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3816 #ifdef FEAT_GUI
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3817 /* If we are supposed to start the GUI but it wasn't
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3818 * completely started yet, start it now. This makes the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3819 * messages displayed in the Vim window when loading a
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3820 * session from the .gvimrc file. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3821 if (gui.starting && !gui.in_use)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3822 gui_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3823 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3824
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3825 #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
3826 process_still_running = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3827 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3828 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3829 (void)EMSG(_("E325: ATTENTION"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3830 MSG_PUTS(_("\nFound a swap file by the name \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3831 msg_home_replace(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3832 MSG_PUTS("\"\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3833 sx = swapfile_info(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3834 MSG_PUTS(_("While opening file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3835 msg_outtrans(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3836 MSG_PUTS("\"\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3837 if (mch_stat((char *)buf->b_fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3838 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3839 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3840 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3841 MSG_PUTS(ctime(&x));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3842 if (sx != 0 && x > sx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3843 MSG_PUTS(_(" NEWER than swap file!\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3844 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3845 /* Some of these messages are long to allow translation to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3846 * other languages. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3847 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"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3848 MSG_PUTS(_(" Quit, or continue with caution.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3849 MSG_PUTS(_("\n(2) An edit session for this file crashed.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3850 MSG_PUTS(_(" If this is the case, use \":recover\" or \"vim -r "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3851 msg_outtrans(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3852 MSG_PUTS(_("\"\n to recover the changes (see \":help recovery\").\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3853 MSG_PUTS(_(" If you did this already, delete the swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3854 msg_outtrans(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3855 MSG_PUTS(_("\"\n to avoid this message.\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3856 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3857 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3858
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3859 /* We don't want a 'q' typed at the more-prompt interrupt
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3860 * loading a file. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3861 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3863 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3864 if (swap_exists_action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3865 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3866 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3867
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3868 name = alloc((unsigned)(STRLEN(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3869 + STRLEN(_("Swap file \""))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3870 + STRLEN(_("\" already exists!")) + 5));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3871 if (name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3872 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3873 STRCPY(name, _("Swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3874 home_replace(NULL, fname, name + STRLEN(name),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3875 1000, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3876 STRCAT(name, _("\" already exists!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3877 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3878 switch (do_dialog(VIM_WARNING,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3879 (char_u *)_("VIM - ATTENTION"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3880 name == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3881 ? (char_u *)_("Swap file already exists!")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3882 : name,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3883 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3884 process_still_running
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3885 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3886 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3887 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort\n&Delete it"), 1, NULL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3888 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3889 case 1:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3890 buf->b_p_ro = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3891 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3892 case 2:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3893 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3894 case 3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3895 swap_exists_action = SEA_RECOVER;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3896 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3897 case 4:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3898 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3899 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3900 case 5:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3901 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3902 got_int = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3903 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3904 case 6:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3905 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3906 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3907 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3908 vim_free(name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3909
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3910 /* pretend screen didn't scroll, need redraw anyway */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3911 msg_scrolled = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3912 redraw_all_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3913
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3914 /* If the file was deleted this fname can be used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3915 if (mch_getperm(fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3916 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3917 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3918 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3919 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3920 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3921 MSG_PUTS("\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3922 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3923 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3924
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3925 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3926 /* Going to try another name, need the dummy file again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3927 if (did_use_dummy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3928 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3929 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3930 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3931 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3932 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3933
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3934 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3935 * Change the ".swp" extension to find another file that can be used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3936 * First decrement the last char: ".swo", ".swn", etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3937 * 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
3938 * Can happen when editing many "No Name" buffers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3939 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3940 if (fname[n - 1] == 'a') /* ".s?a" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3941 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3942 if (fname[n - 2] == 'a') /* ".saa": tried enough, give up */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3943 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3944 EMSG(_("E326: Too many swap files found"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3945 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3946 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3947 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3948 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3949 --fname[n - 2]; /* ".svz", ".suz", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3950 fname[n - 1] = 'z' + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3951 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3952 --fname[n - 1]; /* ".swo", ".swn", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3953 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3954
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3955 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3956 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3957 if (dummyfd != NULL) /* file has been created temporarily */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3958 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3959 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3960 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3961 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3962 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3963 return fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3964 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3965
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3966 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3967 b0_magic_wrong(b0p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3968 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3969 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3970 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3971 || b0p->b0_magic_int != (int)B0_MAGIC_INT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3972 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3973 || b0p->b0_magic_char != B0_MAGIC_CHAR);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3974 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3975
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3976 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3977 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3978 * Compare current file name with file name from swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3979 * Try to use inode numbers when possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3980 * Return non-zero when files are different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3981 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3982 * When comparing file names a few things have to be taken into consideration:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3983 * - 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
3984 * We check the inode number if possible. It is not 100% reliable though,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3985 * because the device number cannot be used over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3986 * - 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
3987 * number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3988 * - 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
3989 * "~user" form is used whenever possible to avoid this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3990 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3991 * This is getting complicated, let's make a table:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3992 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3993 * ino_c ino_s fname_c fname_s differ =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3994 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3995 * both files exist -> compare inode numbers:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3996 * != 0 != 0 X X ino_c != ino_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3997 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3998 * inode number(s) unknown, file names available -> compare file names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3999 * == 0 X OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4000 * X == 0 OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4001 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4002 * current file doesn't exist, file for swap file exist, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4003 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4004 * == 0 != 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4005 * == 0 != 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4006 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4007 * current file exists, inode for swap unknown, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4008 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4009 * != 0 == 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4010 * != 0 == 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4011 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4012 * current file doesn't exist, inode for swap unknown, one file name not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4013 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4014 * == 0 == 0 FAIL OK TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4015 * == 0 == 0 OK FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4016 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4017 * current file doesn't exist, inode for swap unknown, both file names not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4018 * available -> probably same file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4019 * == 0 == 0 FAIL FAIL FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4020 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4021 * 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
4022 * can't be changed without making the block 0 incompatible with 32 bit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4023 * versions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4024 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4025
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4026 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4027 fnamecmp_ino(fname_c, fname_s, ino_block0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4028 char_u *fname_c; /* current file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4029 char_u *fname_s; /* file name from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4030 long ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4031 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4032 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4033 ino_t ino_c = 0; /* ino of current file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4034 ino_t ino_s; /* ino of file from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4035 char_u buf_c[MAXPATHL]; /* full path of fname_c */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4036 char_u buf_s[MAXPATHL]; /* full path of fname_s */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4037 int retval_c; /* flag: buf_c valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4038 int retval_s; /* flag: buf_s valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4039
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4040 if (mch_stat((char *)fname_c, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4041 ino_c = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4042
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4043 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4044 * 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
4045 * 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
4046 * valid on this machine), use the inode from block 0.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4047 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4048 if (mch_stat((char *)fname_s, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4049 ino_s = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4050 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4051 ino_s = (ino_t)ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4052
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4053 if (ino_c && ino_s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4054 return (ino_c != ino_s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4055
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4056 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4057 * One of the inode numbers is unknown, try a forced vim_FullName() and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4058 * compare the file names.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4059 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4060 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4061 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4062 if (retval_c == OK && retval_s == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4063 return (STRCMP(buf_c, buf_s) != 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4064
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4065 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4066 * Can't compare inodes or file names, guess that the files are different,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4067 * unless both appear not to exist at all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4068 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4069 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4070 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4071 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4072 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4073 #endif /* CHECK_INODE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4074
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4075 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4076 * Move a long integer into a four byte character array.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4077 * Used for machine independency in block zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4078 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4079 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4080 long_to_char(n, s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4081 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4082 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4083 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4084 s[0] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4085 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4086 s[1] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4087 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4088 s[2] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4089 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4090 s[3] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4091 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4092
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4093 static long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4094 char_to_long(s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4095 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4096 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4097 long retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4098
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4099 retval = s[3];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4100 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4101 retval |= s[2];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4102 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4103 retval |= s[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4104 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4105 retval |= s[0];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4106
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4107 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4108 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4109
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4110 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4111 * Set the flags in the first block of the swap file:
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4112 * - file is modified or not: buf->b_changed
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4113 * - 'fileformat'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4114 * - 'fileencoding'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4115 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4116 void
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4117 ml_setflags(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4118 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4119 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4120 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4121 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4122
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4123 if (!buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4124 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4125 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
4126 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4127 if (hp->bh_bnum == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4128 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4129 b0p = (ZERO_BL *)(hp->bh_data);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4130 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4131 b0p->b0_flags = (b0p->b0_flags & ~B0_FF_MASK)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4132 | (get_fileformat(buf) + 1);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4133 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4134 add_b0_fenc(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4135 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4136 hp->bh_flags |= BH_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4137 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4138 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4139 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4140 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4141 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4142
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4143 #if defined(FEAT_BYTEOFF) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4144
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4145 #define MLCS_MAXL 800 /* max no of lines in chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4146 #define MLCS_MINL 400 /* should be half of MLCS_MAXL */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4147
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4148 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4149 * Keep information for finding byte offset of a line, updtytpe may be one of:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4150 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4151 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4152 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4153 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4154 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4155 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4156 ml_updatechunk(buf, line, len, updtype)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4157 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4158 linenr_T line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4159 long len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4160 int updtype;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4161 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4162 static buf_T *ml_upd_lastbuf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4163 static linenr_T ml_upd_lastline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4164 static linenr_T ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4165 static int ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4166
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4167 linenr_T curline = ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4168 int curix = ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4169 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4170 chunksize_T *curchnk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4171 int rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4172 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4173 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4174
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4175 if (buf->b_ml.ml_usedchunks == -1 || len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4176 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4177 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4178 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4179 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4180 alloc((unsigned)sizeof(chunksize_T) * 100);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4181 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4182 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4183 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4184 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4185 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4186 buf->b_ml.ml_numchunks = 100;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4187 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4188 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4189 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4190 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4191
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4192 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4193 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4194 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4195 * First line in empty buffer from ml_flush_line() -- reset
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4196 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4197 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4198 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4199 buf->b_ml.ml_chunksize[0].mlcs_totalsize =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4200 (long)STRLEN(buf->b_ml.ml_line_ptr) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4201 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4202 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4203
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4204 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4205 * Find chunk that our line belongs to, curline will be at start of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4206 * chunk.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4207 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4208 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4209 || updtype != ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4210 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4211 for (curline = 1, curix = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4212 curix < buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4213 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4214 curix++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4215 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4216 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
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 else if (line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4220 && curix < buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4221 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4222 /* Adjust cached curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4223 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4224 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4225 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4226 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4227
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4228 if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4229 len *= -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4230 curchnk->mlcs_totalsize += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4231 if (updtype == ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4232 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4233 curchnk->mlcs_numlines++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4234
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4235 /* 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
4236 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4238 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4239 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4240 vim_realloc(buf->b_ml.ml_chunksize,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4241 sizeof(chunksize_T) * buf->b_ml.ml_numchunks);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4242 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4243 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4244 /* Hmmmm, Give up on offset for this buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4245 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4246 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4247 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4248 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4249
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4250 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4251 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4252 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4253 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4254 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4255 int linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4256
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4257 mch_memmove(buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4258 buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4259 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4260 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4261 /* Compute length of first half of lines in the splitted chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4262 size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4263 linecnt = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4264 while (curline < buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4265 && linecnt < MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4266 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4267 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4268 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4269 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4270 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4271 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4272 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4273 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4274 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4275 idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4276 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4277 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4278 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4279 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4280 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4281 /* Compute index of last line to use in this MEMLINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4282 rest = count - idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4283 if (linecnt + rest > MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4284 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4285 idx += MLCS_MINL - linecnt - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4286 linecnt = MLCS_MINL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4287 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4288 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4289 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4290 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4291 linecnt += rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4292 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4293 size += text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4294 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4295 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4296 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4297 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4298 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4299 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4300 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4301 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4302 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4303 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4304 && curix == buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4305 && buf->b_ml.ml_line_count - line <= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4306 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4307 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4308 * 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
4309 * after this. Do it now to avoid the loop above later on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4310 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4311 curchnk = buf->b_ml.ml_chunksize + curix + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4312 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4313 if (line == buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4314 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4315 curchnk->mlcs_numlines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4316 curchnk->mlcs_totalsize = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4317 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4318 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4319 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4320 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4321 * Line is just prior to last, move count for last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4322 * This is the common case when loading a new file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4323 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4324 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4325 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4326 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4327 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4328 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4329 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4330 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4331 if (dp->db_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4332 rest = dp->db_txt_end - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4333 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4334 rest =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4335 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4336 - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4337 curchnk->mlcs_totalsize = rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4338 curchnk->mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4339 curchnk[-1].mlcs_totalsize -= rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4340 curchnk[-1].mlcs_numlines -= 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4341 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4342 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4343 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4344 else if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4345 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4346 curchnk->mlcs_numlines--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4347 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4348 if (curix < (buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4349 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4350 <= MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4351 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4352 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4353 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4354 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4355 else if (curix == 0 && curchnk->mlcs_numlines <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4356 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4357 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4358 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4359 buf->b_ml.ml_usedchunks * sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4360 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4361 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4362 else if (curix == 0 || (curchnk->mlcs_numlines > 10
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4363 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4364 > MLCS_MINL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4365 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4366 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4367 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4368
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4369 /* Collapse chunks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4370 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4371 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4372 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4373 if (curix < buf->b_ml.ml_usedchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4374 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4375 mch_memmove(buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4376 buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4377 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4378 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4379 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4380 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4381 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4382 ml_upd_lastbuf = buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4383 ml_upd_lastline = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4384 ml_upd_lastcurline = curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4385 ml_upd_lastcurix = curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4386 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4388 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4389 * Find offset for line or line with offset.
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4390 * Find line with offset if "lnum" is 0; return remaining offset in offp
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4391 * Find offset of line if "lnum" > 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4392 * return -1 if information is not available
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4393 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4394 long
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4395 ml_find_line_or_offset(buf, lnum, offp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4396 buf_T *buf;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4397 linenr_T lnum;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4398 long *offp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4399 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4400 linenr_T curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4401 int curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4402 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4403 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4404 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4405 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4406 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4407 int start_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4408 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4409 long offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4410 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4411 int ffdos = (get_fileformat(buf) == EOL_DOS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4412 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4413
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4414 /* take care of cached line first */
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4415 ml_flush_line(curbuf);
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4416
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4417 if (buf->b_ml.ml_usedchunks == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4418 || buf->b_ml.ml_chunksize == NULL
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4419 || lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4420 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4421
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4422 if (offp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4423 offset = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4424 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4425 offset = *offp;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4426 if (lnum == 0 && offset <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4427 return 1; /* Not a "find offset" and offset 0 _must_ be in line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4428 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4429 * Find the last chunk before the one containing our line. Last chunk is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4430 * special because it will never qualify
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4431 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4432 curline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4433 curix = size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4434 while (curix < buf->b_ml.ml_usedchunks - 1
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4435 && ((lnum != 0
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4436 && lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4437 || (offset != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4438 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4439 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4440 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4441 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4442 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4443 if (offset && ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4444 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4445 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4446 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4447
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4448 while ((lnum != 0 && curline < lnum) || (offset != 0 && size < offset))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4449 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4450 if (curline > buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4451 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4452 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4453 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4454 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4455 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4456 start_idx = idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4457 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4458 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4459 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4460 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4461 /* Compute index of last line to use in this MEMLINE */
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4462 if (lnum != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4463 {
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4464 if (curline + (count - idx) >= lnum)
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4465 idx += lnum - curline - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4466 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4467 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4469 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4470 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4471 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4472 while (offset >= size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4473 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4474 + ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4475 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4476 if (ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4477 size++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4478 if (idx == count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4479 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4480 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4481 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4482 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4483 idx++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4484 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4485 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4486 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4487 size += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4488 if (offset != 0 && size >= offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4489 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4490 if (size + ffdos == offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4491 *offp = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4492 else if (idx == start_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4493 *offp = offset - size + len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4494 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4495 *offp = offset - size + len
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4496 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4497 curline += idx - start_idx + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4498 if (curline > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4499 return -1; /* exactly one byte beyond the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4500 return curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4501 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4502 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4503 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4504
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4505 if (lnum != 0)
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4506 {
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4507 /* Count extra CR characters. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4508 if (ffdos)
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4509 size += lnum - 1;
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4510
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4511 /* Don't count the last line break if 'bin' and 'noeol'. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4512 if (buf->b_p_bin && !buf->b_p_eol)
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4513 size -= ffdos + 1;
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4514 }
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4515
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4516 return size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4517 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4518
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4519 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4520 * Goto byte in buffer with offset 'cnt'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4521 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4522 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4523 goto_byte(cnt)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4524 long cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4525 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4526 long boff = cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4527 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4528
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4529 ml_flush_line(curbuf); /* cached line may be dirty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4530 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4531 if (boff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4532 --boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4533 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4534 if (lnum < 1) /* past the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4535 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4536 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4537 curwin->w_curswant = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4538 coladvance((colnr_T)MAXCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4539 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4540 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4541 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4542 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4543 curwin->w_cursor.col = (colnr_T)boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4544 curwin->w_set_curswant = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4545 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4546 check_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4547
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4548 # ifdef FEAT_MBYTE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4549 /* Make sure the cursor is on the first byte of a multi-byte char. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4550 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4551 mb_adjust_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4552 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4553 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4554 #endif