annotate src/memline.c @ 908:bd7e26d05a3f v7.0.034

updated for version 7.0-034
author vimboss
date Fri, 23 Jun 2006 15:59:09 +0000
parents 8e5830943bff
children b2dcb8457067
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 /* for debugging */
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11 /* #define CHECK(c, s) if (c) EMSG(s) */
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12 #define CHECK(c, s)
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13
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14 /*
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15 * memline.c: Contains the functions for appending, deleting and changing the
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16 * text lines. The memfile functions are used to store the information in
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17 * blocks of memory, backed up by a file. The structure of the information is
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18 * a tree. The root of the tree is a pointer block. The leaves of the tree
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19 * are data blocks. In between may be several layers of pointer blocks,
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20 * forming branches.
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21 *
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22 * Three types of blocks are used:
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23 * - Block nr 0 contains information for recovery
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24 * - Pointer blocks contain list of pointers to other blocks.
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25 * - Data blocks contain the actual text.
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26 *
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27 * Block nr 0 contains the block0 structure (see below).
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28 *
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29 * Block nr 1 is the first pointer block. It is the root of the tree.
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30 * Other pointer blocks are branches.
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31 *
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32 * If a line is too big to fit in a single page, the block containing that
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33 * line is made big enough to hold the line. It may span several pages.
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34 * Otherwise all blocks are one page.
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35 *
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36 * A data block that was filled when starting to edit a file and was not
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37 * changed since then, can have a negative block number. This means that it
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38 * has not yet been assigned a place in the file. When recovering, the lines
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39 * in this data block can be read from the original file. When the block is
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40 * changed (lines appended/deleted/changed) or when it is flushed it gets a
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41 * positive number. Use mf_trans_del() to get the new number, before calling
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42 * mf_get().
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43 */
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44
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45 #if defined(MSDOS) || defined(WIN32) || defined(_WIN64)
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46 # include "vimio.h"
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47 #endif
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48
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49 #include "vim.h"
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50
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51 #ifdef HAVE_FCNTL_H
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52 # include <fcntl.h>
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53 #endif
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54 #ifndef UNIX /* it's in os_unix.h for Unix */
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55 # include <time.h>
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56 #endif
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57
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58 #ifdef SASC
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59 # include <proto/dos.h> /* for Open() and Close() */
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60 #endif
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61
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62 typedef struct block0 ZERO_BL; /* contents of the first block */
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63 typedef struct pointer_block PTR_BL; /* contents of a pointer block */
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64 typedef struct data_block DATA_BL; /* contents of a data block */
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65 typedef struct pointer_entry PTR_EN; /* block/line-count pair */
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66
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67 #define DATA_ID (('d' << 8) + 'a') /* data block id */
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68 #define PTR_ID (('p' << 8) + 't') /* pointer block id */
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69 #define BLOCK0_ID0 'b' /* block 0 id 0 */
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70 #define BLOCK0_ID1 '0' /* block 0 id 1 */
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71
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72 /*
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73 * pointer to a block, used in a pointer block
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74 */
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75 struct pointer_entry
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76 {
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77 blocknr_T pe_bnum; /* block number */
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78 linenr_T pe_line_count; /* number of lines in this branch */
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79 linenr_T pe_old_lnum; /* lnum for this block (for recovery) */
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80 int pe_page_count; /* number of pages in block pe_bnum */
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81 };
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82
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83 /*
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84 * A pointer block contains a list of branches in the tree.
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85 */
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86 struct pointer_block
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87 {
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88 short_u pb_id; /* ID for pointer block: PTR_ID */
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89 short_u pb_count; /* number of pointer in this block */
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90 short_u pb_count_max; /* maximum value for pb_count */
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91 PTR_EN pb_pointer[1]; /* list of pointers to blocks (actually longer)
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92 * followed by empty space until end of page */
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93 };
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94
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95 /*
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96 * A data block is a leaf in the tree.
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97 *
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98 * The text of the lines is at the end of the block. The text of the first line
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99 * in the block is put at the end, the text of the second line in front of it,
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100 * etc. Thus the order of the lines is the opposite of the line number.
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101 */
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102 struct data_block
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103 {
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104 short_u db_id; /* ID for data block: DATA_ID */
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105 unsigned db_free; /* free space available */
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106 unsigned db_txt_start; /* byte where text starts */
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107 unsigned db_txt_end; /* byte just after data block */
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108 linenr_T db_line_count; /* number of lines in this block */
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109 unsigned db_index[1]; /* index for start of line (actually bigger)
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110 * followed by empty space upto db_txt_start
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111 * followed by the text in the lines until
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112 * end of page */
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113 };
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114
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115 /*
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116 * The low bits of db_index hold the actual index. The topmost bit is
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117 * used for the global command to be able to mark a line.
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118 * This method is not clean, but otherwise there would be at least one extra
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119 * byte used for each line.
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120 * The mark has to be in this place to keep it with the correct line when other
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121 * lines are inserted or deleted.
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122 */
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123 #define DB_MARKED ((unsigned)1 << ((sizeof(unsigned) * 8) - 1))
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124 #define DB_INDEX_MASK (~DB_MARKED)
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125
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126 #define INDEX_SIZE (sizeof(unsigned)) /* size of one db_index entry */
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127 #define HEADER_SIZE (sizeof(DATA_BL) - INDEX_SIZE) /* size of data block header */
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128
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129 #define B0_FNAME_SIZE_ORG 900 /* what it was in older versions */
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130 #define B0_FNAME_SIZE 898
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131 #define B0_UNAME_SIZE 40
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132 #define B0_HNAME_SIZE 40
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133 /*
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134 * Restrict the numbers to 32 bits, otherwise most compilers will complain.
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135 * This won't detect a 64 bit machine that only swaps a byte in the top 32
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136 * bits, but that is crazy anyway.
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137 */
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138 #define B0_MAGIC_LONG 0x30313233L
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139 #define B0_MAGIC_INT 0x20212223L
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140 #define B0_MAGIC_SHORT 0x10111213L
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141 #define B0_MAGIC_CHAR 0x55
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142
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143 /*
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144 * Block zero holds all info about the swap file.
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145 *
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146 * NOTE: DEFINITION OF BLOCK 0 SHOULD NOT CHANGE! It would make all existing
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147 * swap files unusable!
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148 *
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149 * If size of block0 changes anyway, adjust MIN_SWAP_PAGE_SIZE in vim.h!!
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150 *
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151 * This block is built up of single bytes, to make it portable accros
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152 * different machines. b0_magic_* is used to check the byte order and size of
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153 * variables, because the rest of the swap file is not portable.
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154 */
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155 struct block0
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156 {
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157 char_u b0_id[2]; /* id for block 0: BLOCK0_ID0 and BLOCK0_ID1 */
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158 char_u b0_version[10]; /* Vim version string */
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159 char_u b0_page_size[4];/* number of bytes per page */
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160 char_u b0_mtime[4]; /* last modification time of file */
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161 char_u b0_ino[4]; /* inode of b0_fname */
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162 char_u b0_pid[4]; /* process id of creator (or 0) */
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163 char_u b0_uname[B0_UNAME_SIZE]; /* name of user (uid if no name) */
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164 char_u b0_hname[B0_HNAME_SIZE]; /* host name (if it has a name) */
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165 char_u b0_fname[B0_FNAME_SIZE_ORG]; /* name of file being edited */
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166 long b0_magic_long; /* check for byte order of long */
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167 int b0_magic_int; /* check for byte order of int */
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168 short b0_magic_short; /* check for byte order of short */
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169 char_u b0_magic_char; /* check for last char */
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170 };
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171
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172 /*
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173 * Note: b0_dirty and b0_flags are put at the end of the file name. For very
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174 * long file names in older versions of Vim they are invalid.
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175 * The 'fileencoding' comes before b0_flags, with a NUL in front. But only
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176 * when there is room, for very long file names it's omitted.
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177 */
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178 #define B0_DIRTY 0x55
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179 #define b0_dirty b0_fname[B0_FNAME_SIZE_ORG-1]
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180
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181 /*
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182 * The b0_flags field is new in Vim 7.0.
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183 */
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184 #define b0_flags b0_fname[B0_FNAME_SIZE_ORG-2]
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diff changeset
185
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186 /* The lowest two bits contain the fileformat. Zero means it's not set
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187 * (compatible with Vim 6.x), otherwise it's EOL_UNIX + 1, EOL_DOS + 1 or
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188 * EOL_MAC + 1. */
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189 #define B0_FF_MASK 3
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190
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diff changeset
191 /* Swap file is in directory of edited file. Used to find the file from
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diff changeset
192 * different mount points. */
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diff changeset
193 #define B0_SAME_DIR 4
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194
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diff changeset
195 /* The 'fileencoding' is at the end of b0_fname[], with a NUL in front of it.
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196 * When empty there is only the NUL. */
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diff changeset
197 #define B0_HAS_FENC 8
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198
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199 #define STACK_INCR 5 /* nr of entries added to ml_stack at a time */
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200
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diff changeset
201 /*
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diff changeset
202 * The line number where the first mark may be is remembered.
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203 * If it is 0 there are no marks at all.
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204 * (always used for the current buffer only, no buffer change possible while
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parents:
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205 * executing a global command).
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206 */
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207 static linenr_T lowest_marked = 0;
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diff changeset
208
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209 /*
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vimboss
parents:
diff changeset
210 * arguments for ml_find_line()
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diff changeset
211 */
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parents:
diff changeset
212 #define ML_DELETE 0x11 /* delete line */
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213 #define ML_INSERT 0x12 /* insert line */
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214 #define ML_FIND 0x13 /* just find the line */
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parents:
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215 #define ML_FLUSH 0x02 /* flush locked block */
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diff changeset
216 #define ML_SIMPLE(x) (x & 0x10) /* DEL, INS or FIND */
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217
39
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diff changeset
218 static void ml_upd_block0 __ARGS((buf_T *buf, int setfname));
7
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219 static void set_b0_fname __ARGS((ZERO_BL *, buf_T *buf));
39
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diff changeset
220 static void set_b0_dir_flag __ARGS((ZERO_BL *b0p, buf_T *buf));
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diff changeset
221 #ifdef FEAT_MBYTE
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diff changeset
222 static void add_b0_fenc __ARGS((ZERO_BL *b0p, buf_T *buf));
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diff changeset
223 #endif
7
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224 static time_t swapfile_info __ARGS((char_u *));
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225 static int recov_file_names __ARGS((char_u **, char_u *, int prepend_dot));
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226 static int ml_append_int __ARGS((buf_T *, linenr_T, char_u *, colnr_T, int, int));
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227 static int ml_delete_int __ARGS((buf_T *, linenr_T, int));
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228 static char_u *findswapname __ARGS((buf_T *, char_u **, char_u *));
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229 static void ml_flush_line __ARGS((buf_T *));
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230 static bhdr_T *ml_new_data __ARGS((memfile_T *, int, int));
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231 static bhdr_T *ml_new_ptr __ARGS((memfile_T *));
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diff changeset
232 static bhdr_T *ml_find_line __ARGS((buf_T *, linenr_T, int));
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233 static int ml_add_stack __ARGS((buf_T *));
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diff changeset
234 static void ml_lineadd __ARGS((buf_T *, int));
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diff changeset
235 static int b0_magic_wrong __ARGS((ZERO_BL *));
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236 #ifdef CHECK_INODE
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237 static int fnamecmp_ino __ARGS((char_u *, char_u *, long));
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238 #endif
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239 static void long_to_char __ARGS((long, char_u *));
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parents:
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240 static long char_to_long __ARGS((char_u *));
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241 #if defined(UNIX) || defined(WIN3264)
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242 static char_u *make_percent_swname __ARGS((char_u *dir, char_u *name));
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243 #endif
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244 #ifdef FEAT_BYTEOFF
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245 static void ml_updatechunk __ARGS((buf_T *buf, long line, long len, int updtype));
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246 #endif
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247
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248 /*
625
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249 * Open a new memline for "buf".
7
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250 *
625
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251 * Return FAIL for failure, OK otherwise.
7
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252 */
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253 int
625
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254 ml_open(buf)
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255 buf_T *buf;
7
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256 {
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parents:
diff changeset
257 memfile_T *mfp;
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parents:
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258 bhdr_T *hp = NULL;
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259 ZERO_BL *b0p;
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260 PTR_BL *pp;
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261 DATA_BL *dp;
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262
625
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263 /*
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diff changeset
264 * init fields in memline struct
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265 */
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266 buf->b_ml.ml_stack_size = 0; /* no stack yet */
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267 buf->b_ml.ml_stack = NULL; /* no stack yet */
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268 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
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269 buf->b_ml.ml_locked = NULL; /* no cached block */
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270 buf->b_ml.ml_line_lnum = 0; /* no cached line */
7
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271 #ifdef FEAT_BYTEOFF
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272 buf->b_ml.ml_chunksize = NULL;
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273 #endif
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274
625
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275 /*
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276 * When 'updatecount' is non-zero swap file may be opened later.
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277 */
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278 if (p_uc && buf->b_p_swf)
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279 buf->b_may_swap = TRUE;
7
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280 else
625
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281 buf->b_may_swap = FALSE;
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282
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283 /*
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diff changeset
284 * Open the memfile. No swap file is created yet.
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285 */
7
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286 mfp = mf_open(NULL, 0);
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287 if (mfp == NULL)
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288 goto error;
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289
625
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diff changeset
290 buf->b_ml.ml_mfp = mfp;
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diff changeset
291 buf->b_ml.ml_flags = ML_EMPTY;
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diff changeset
292 buf->b_ml.ml_line_count = 1;
13
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vimboss
parents: 9
diff changeset
293 #ifdef FEAT_LINEBREAK
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parents: 9
diff changeset
294 curwin->w_nrwidth_line_count = 0;
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parents: 9
diff changeset
295 #endif
7
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296
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297 #if defined(MSDOS) && !defined(DJGPP)
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parents:
diff changeset
298 /* for 16 bit MS-DOS create a swapfile now, because we run out of
3fc0f57ecb91 updated for version 7.0001
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parents:
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299 * memory very quickly */
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parents:
diff changeset
300 if (p_uc != 0)
625
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diff changeset
301 ml_open_file(buf);
7
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parents:
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302 #endif
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parents:
diff changeset
303
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vimboss
parents:
diff changeset
304 /*
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vimboss
parents:
diff changeset
305 * fill block0 struct and write page 0
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vimboss
parents:
diff changeset
306 */
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parents:
diff changeset
307 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
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vimboss
parents:
diff changeset
308 goto error;
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vimboss
parents:
diff changeset
309 if (hp->bh_bnum != 0)
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vimboss
parents:
diff changeset
310 {
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vimboss
parents:
diff changeset
311 EMSG(_("E298: Didn't get block nr 0?"));
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parents:
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312 goto error;
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parents:
diff changeset
313 }
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
314 b0p = (ZERO_BL *)(hp->bh_data);
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parents:
diff changeset
315
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parents:
diff changeset
316 b0p->b0_id[0] = BLOCK0_ID0;
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parents:
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317 b0p->b0_id[1] = BLOCK0_ID1;
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318 b0p->b0_magic_long = (long)B0_MAGIC_LONG;
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vimboss
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319 b0p->b0_magic_int = (int)B0_MAGIC_INT;
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320 b0p->b0_magic_short = (short)B0_MAGIC_SHORT;
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parents:
diff changeset
321 b0p->b0_magic_char = B0_MAGIC_CHAR;
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vimboss
parents:
diff changeset
322 STRNCPY(b0p->b0_version, "VIM ", 4);
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vimboss
parents:
diff changeset
323 STRNCPY(b0p->b0_version + 4, Version, 6);
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vimboss
parents:
diff changeset
324 long_to_char((long)mfp->mf_page_size, b0p->b0_page_size);
625
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diff changeset
325
800
d8f905020502 updated for version 7.0b
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parents: 748
diff changeset
326 #ifdef FEAT_SPELL
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327 if (!buf->b_spell)
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diff changeset
328 #endif
625
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329 {
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330 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
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diff changeset
331 b0p->b0_flags = get_fileformat(buf) + 1;
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diff changeset
332 set_b0_fname(b0p, buf);
81fe2ccc1207 updated for version 7.0179
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diff changeset
333 (void)get_user_name(b0p->b0_uname, B0_UNAME_SIZE);
81fe2ccc1207 updated for version 7.0179
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diff changeset
334 b0p->b0_uname[B0_UNAME_SIZE - 1] = NUL;
81fe2ccc1207 updated for version 7.0179
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diff changeset
335 mch_get_host_name(b0p->b0_hname, B0_HNAME_SIZE);
81fe2ccc1207 updated for version 7.0179
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diff changeset
336 b0p->b0_hname[B0_HNAME_SIZE - 1] = NUL;
81fe2ccc1207 updated for version 7.0179
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diff changeset
337 long_to_char(mch_get_pid(), b0p->b0_pid);
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diff changeset
338 }
7
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parents:
diff changeset
339
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parents:
diff changeset
340 /*
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parents:
diff changeset
341 * Always sync block number 0 to disk, so we can check the file name in
625
81fe2ccc1207 updated for version 7.0179
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parents: 619
diff changeset
342 * the swap file in findswapname(). Don't do this for help files though
81fe2ccc1207 updated for version 7.0179
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diff changeset
343 * and spell buffer though.
7
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parents:
diff changeset
344 * Only works when there's a swapfile, otherwise it's done when the file
3fc0f57ecb91 updated for version 7.0001
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parents:
diff changeset
345 * is created.
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parents:
diff changeset
346 */
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diff changeset
347 mf_put(mfp, hp, TRUE, FALSE);
625
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diff changeset
348 if (!buf->b_help && !B_SPELL(buf))
7
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diff changeset
349 (void)mf_sync(mfp, 0);
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parents:
diff changeset
350
625
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diff changeset
351 /*
81fe2ccc1207 updated for version 7.0179
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parents: 619
diff changeset
352 * Fill in root pointer block and write page 1.
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diff changeset
353 */
7
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parents:
diff changeset
354 if ((hp = ml_new_ptr(mfp)) == NULL)
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vimboss
parents:
diff changeset
355 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
356 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
357 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
358 EMSG(_("E298: Didn't get block nr 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
359 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
360 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
361 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
362 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
363 pp->pb_pointer[0].pe_bnum = 2;
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vimboss
parents:
diff changeset
364 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
365 pp->pb_pointer[0].pe_old_lnum = 1;
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vimboss
parents:
diff changeset
366 pp->pb_pointer[0].pe_line_count = 1; /* line count after insertion */
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vimboss
parents:
diff changeset
367 mf_put(mfp, hp, TRUE, FALSE);
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vimboss
parents:
diff changeset
368
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
369 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
370 * Allocate first data block and create an empty line 1.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
371 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
372 if ((hp = ml_new_data(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
373 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
374 if (hp->bh_bnum != 2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
375 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
376 EMSG(_("E298: Didn't get block nr 2?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
377 goto error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
378 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
379
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
380 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
381 dp->db_index[0] = --dp->db_txt_start; /* at end of block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
382 dp->db_free -= 1 + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
383 dp->db_line_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
384 *((char_u *)dp + dp->db_txt_start) = NUL; /* emtpy line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
385
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
386 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
387
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
388 error:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
389 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
390 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
391 if (hp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
392 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
393 mf_close(mfp, TRUE); /* will also free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
394 }
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
395 buf->b_ml.ml_mfp = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
396 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
397 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
398
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
399 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
400 * ml_setname() is called when the file name of "buf" has been changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
401 * It may rename the swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
402 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
403 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
404 ml_setname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
405 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
406 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
407 int success = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
408 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
409 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
410 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
411 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
412 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
413 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
414
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
415 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
416 if (mfp->mf_fd < 0) /* there is no swap file yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
417 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
418 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
419 * When 'updatecount' is 0 and 'noswapfile' there is no swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
420 * For help files we will make a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
421 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
422 if (p_uc != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
423 ml_open_file(buf); /* create a swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
424 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
425 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
426
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
427 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
428 * Try all directories in the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
429 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
430 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
431 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
432 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
433 if (*dirp == NUL) /* tried all directories, fail */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
434 break;
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
435 fname = findswapname(buf, &dirp, mfp->mf_fname);
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
436 /* alloc's fname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
437 if (fname == NULL) /* no file name found for this dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
438 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
439
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
440 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
441 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
442 * Set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
443 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
444 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
445 p = FullName_save(fname, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
446 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
447 fname = p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
448 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
449 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
450 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
451 /* if the file name is the same we don't have to do anything */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
452 if (fnamecmp(fname, mfp->mf_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
453 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
454 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
455 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
456 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
457 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
458 /* need to close the swap file before renaming */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
459 if (mfp->mf_fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
460 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
461 close(mfp->mf_fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
462 mfp->mf_fd = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
463 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
464
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
465 /* try to rename the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
466 if (vim_rename(mfp->mf_fname, fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
467 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
468 success = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
469 vim_free(mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
470 mfp->mf_fname = fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
471 vim_free(mfp->mf_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
472 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
473 mfp->mf_ffname = NULL; /* mf_fname is full pathname already */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
474 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
475 mf_set_ffname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
476 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
477 ml_upd_block0(buf, FALSE);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
478 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
479 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
480 vim_free(fname); /* this fname didn't work, try another */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
481 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
482
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
483 if (mfp->mf_fd == -1) /* need to (re)open the swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
484 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
485 mfp->mf_fd = mch_open((char *)mfp->mf_fname, O_RDWR | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
486 if (mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
487 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
488 /* could not (re)open the swap file, what can we do???? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
489 EMSG(_("E301: Oops, lost the swap file!!!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
490 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
491 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
492 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
493 if (!success)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
494 EMSG(_("E302: Could not rename swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
495 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
496
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
497 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
498 * Open a file for the memfile for all buffers that are not readonly or have
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
499 * been modified.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
500 * Used when 'updatecount' changes from zero to non-zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
501 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
502 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
503 ml_open_files()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
504 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
505 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
506
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
507 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
508 if (!buf->b_p_ro || buf->b_changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
509 ml_open_file(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
510 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
511
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
512 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
513 * Open a swap file for an existing memfile, if there is no swap file yet.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
514 * If we are unable to find a file name, mf_fname will be NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
515 * and the memfile will be in memory only (no recovery possible).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
516 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
517 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
518 ml_open_file(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
519 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
520 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
521 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
522 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
523 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
524
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
525 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
526 if (mfp == NULL || mfp->mf_fd >= 0 || !buf->b_p_swf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
527 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
528
748
605c8fbb13dd updated for version 7.0222
vimboss
parents: 720
diff changeset
529 #ifdef FEAT_SPELL
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
530 /* For a spell buffer use a temp file name. */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
531 if (buf->b_spell)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
532 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
533 fname = vim_tempname('s');
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
534 if (fname != NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
535 (void)mf_open_file(mfp, fname); /* consumes fname! */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
536 buf->b_may_swap = FALSE;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
537 return;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
538 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
539 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
540
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
541 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
542 * Try all directories in 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
543 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
544 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
545 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
546 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
547 if (*dirp == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
548 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
549 /* There is a small chance that between chosing the swap file name and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
550 * creating it, another Vim creates the file. In that case the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
551 * creation will fail and we will use another directory. */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
552 fname = findswapname(buf, &dirp, NULL); /* allocates fname */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
553 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
554 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
555 if (mf_open_file(mfp, fname) == OK) /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
556 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
557 #if defined(MSDOS) || defined(MSWIN) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
558 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
559 * set full pathname for swap file now, because a ":!cd dir" may
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
560 * change directory without us knowing it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
561 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
562 mf_fullname(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
563 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
564 ml_upd_block0(buf, FALSE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
565
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
566 /* Flush block zero, so others can read it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
567 if (mf_sync(mfp, MFS_ZERO) == OK)
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
568 {
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
569 /* Mark all blocks that should be in the swapfile as dirty.
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
570 * Needed for when the 'swapfile' option was reset, so that
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
571 * the swap file was deleted, and then on again. */
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
572 mf_set_dirty(mfp);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
573 break;
630
52c87a746f4a updated for version 7.0181
vimboss
parents: 625
diff changeset
574 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
575 /* Writing block 0 failed: close the file and try another dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
576 mf_close_file(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
577 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
578 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
579
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
580 if (mfp->mf_fname == NULL) /* Failed! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
581 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
582 need_wait_return = TRUE; /* call wait_return later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
583 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
584 (void)EMSG2(_("E303: Unable to open swap file for \"%s\", recovery impossible"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
585 buf_spname(buf) != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
586 ? (char_u *)buf_spname(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
587 : buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
588 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
589 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
590
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
591 /* don't try to open a swap file again */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
592 buf->b_may_swap = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
593 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
594
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
595 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
596 * If still need to create a swap file, and starting to edit a not-readonly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
597 * file, or reading into an existing buffer, create a swap file now.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
598 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
599 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
600 check_need_swap(newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
601 int newfile; /* reading file into new buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
602 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
603 if (curbuf->b_may_swap && (!curbuf->b_p_ro || !newfile))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
604 ml_open_file(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
605 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
606
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
607 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
608 * Close memline for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
609 * If 'del_file' is TRUE, delete the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
610 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
611 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
612 ml_close(buf, del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
613 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
614 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
615 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
616 if (buf->b_ml.ml_mfp == NULL) /* not open */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
617 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
618 mf_close(buf->b_ml.ml_mfp, del_file); /* close the .swp file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
619 if (buf->b_ml.ml_line_lnum != 0 && (buf->b_ml.ml_flags & ML_LINE_DIRTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
620 vim_free(buf->b_ml.ml_line_ptr);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
621 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
622 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
623 vim_free(buf->b_ml.ml_chunksize);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
624 buf->b_ml.ml_chunksize = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
625 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
626 buf->b_ml.ml_mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
627
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
628 /* Reset the "recovered" flag, give the ATTENTION prompt the next time
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
629 * this buffer is loaded. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
630 buf->b_flags &= ~BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
632
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
633 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
634 * Close all existing memlines and memfiles.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
635 * Only used when exiting.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
636 * When 'del_file' is TRUE, delete the memfiles.
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
637 * But don't delete files that were ":preserve"d when we are POSIX compatible.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
638 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
639 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
640 ml_close_all(del_file)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
641 int del_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
642 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
643 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
644
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
645 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
165
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
646 ml_close(buf, del_file && ((buf->b_flags & BF_PRESERVED) == 0
e943e5502fc9 updated for version 7.0050
vimboss
parents: 43
diff changeset
647 || vim_strchr(p_cpo, CPO_PRESERVE) == NULL));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
648 #ifdef TEMPDIRNAMES
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
649 vim_deltempdir(); /* delete created temp directory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
650 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
651 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
652
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
653 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
654 * Close all memfiles for not modified buffers.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
655 * Only use just before exiting!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
656 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
657 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
658 ml_close_notmod()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
659 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
660 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
661
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
662 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
663 if (!bufIsChanged(buf))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
664 ml_close(buf, TRUE); /* close all not-modified buffers */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
665 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
666
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
667 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
668 * Update the timestamp in the .swp file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
669 * Used when the file has been written.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
670 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
671 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
672 ml_timestamp(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
673 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
674 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
675 ml_upd_block0(buf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
676 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
677
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
678 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
679 * Update the timestamp or the B0_SAME_DIR flag of the .swp file.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
680 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
681 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
682 ml_upd_block0(buf, setfname)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
683 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
684 int setfname;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
685 {
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
686 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
687 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
688 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
689
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
690 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
691 if (mfp == NULL || (hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
692 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
693 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
694 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
695 EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
696 else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
697 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
698 if (setfname)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
699 set_b0_fname(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
700 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
701 set_b0_dir_flag(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
702 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
703 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
704 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
705
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
706 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
707 * Write file name and timestamp into block 0 of a swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
708 * Also set buf->b_mtime.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
709 * Don't use NameBuff[]!!!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
710 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
711 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
712 set_b0_fname(b0p, buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
713 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
714 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
715 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
716 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
717
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
718 if (buf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
719 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
720 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
721 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
722 #if defined(MSDOS) || defined(MSWIN) || defined(AMIGA) || defined(RISCOS)
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
723 /* Systems that cannot translate "~user" back into a path: copy the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
724 * file name unmodified. Do use slashes instead of backslashes for
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
725 * portability. */
419
f713fc55bf7b updated for version 7.0109
vimboss
parents: 374
diff changeset
726 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE - 1);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
727 # ifdef BACKSLASH_IN_FILENAME
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
728 forward_slash(b0p->b0_fname);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
729 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
730 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
731 size_t flen, ulen;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
732 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
733
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
734 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
735 * For a file under the home directory of the current user, we try to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
736 * replace the home directory path with "~user". This helps when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
737 * editing the same file on different machines over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
738 * First replace home dir path with "~/" with home_replace().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
739 * Then insert the user name to get "~user/".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
740 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
741 home_replace(NULL, buf->b_ffname, b0p->b0_fname, B0_FNAME_SIZE, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
742 if (b0p->b0_fname[0] == '~')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
743 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
744 flen = STRLEN(b0p->b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
745 /* If there is no user name or it is too long, don't use "~/" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
746 if (get_user_name(uname, B0_UNAME_SIZE) == FAIL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
747 || (ulen = STRLEN(uname)) + flen > B0_FNAME_SIZE - 1)
419
f713fc55bf7b updated for version 7.0109
vimboss
parents: 374
diff changeset
748 vim_strncpy(b0p->b0_fname, buf->b_ffname, B0_FNAME_SIZE - 1);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
749 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
750 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
751 mch_memmove(b0p->b0_fname + ulen + 1, b0p->b0_fname + 1, flen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
752 mch_memmove(b0p->b0_fname + 1, uname, ulen);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
753 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
754 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
755 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
756 if (mch_stat((char *)buf->b_ffname, &st) >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
757 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
758 long_to_char((long)st.st_mtime, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
759 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
760 long_to_char((long)st.st_ino, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
761 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
762 buf_store_time(buf, &st, buf->b_ffname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
763 buf->b_mtime_read = buf->b_mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
764 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
765 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
766 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
767 long_to_char(0L, b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
768 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
769 long_to_char(0L, b0p->b0_ino);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
770 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
771 buf->b_mtime = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
772 buf->b_mtime_read = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
773 buf->b_orig_size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
774 buf->b_orig_mode = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
775 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
776 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
777
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
778 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
779 /* Also add the 'fileencoding' if there is room. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
780 add_b0_fenc(b0p, curbuf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
781 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
782 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
783
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
784 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
785 * Update the B0_SAME_DIR flag of the swap file. It's set if the file and the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
786 * swapfile for "buf" are in the same directory.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
787 * This is fail safe: if we are not sure the directories are equal the flag is
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
788 * not set.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
789 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
790 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
791 set_b0_dir_flag(b0p, buf)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
792 ZERO_BL *b0p;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
793 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
794 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
795 if (same_directory(buf->b_ml.ml_mfp->mf_fname, buf->b_ffname))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
796 b0p->b0_flags |= B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
797 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
798 b0p->b0_flags &= ~B0_SAME_DIR;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
799 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
800
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
801 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
802 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
803 * When there is room, add the 'fileencoding' to block zero.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
804 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
805 static void
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
806 add_b0_fenc(b0p, buf)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
807 ZERO_BL *b0p;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
808 buf_T *buf;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
809 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
810 int n;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
811
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
812 n = (int)STRLEN(buf->b_p_fenc);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
813 if (STRLEN(b0p->b0_fname) + n + 1 > B0_FNAME_SIZE)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
814 b0p->b0_flags &= ~B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
815 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
816 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
817 mch_memmove((char *)b0p->b0_fname + B0_FNAME_SIZE - n,
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
818 (char *)buf->b_p_fenc, (size_t)n);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
819 *(b0p->b0_fname + B0_FNAME_SIZE - n - 1) = NUL;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
820 b0p->b0_flags |= B0_HAS_FENC;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
821 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
822 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
823 #endif
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
824
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
825
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
826 /*
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
827 * try to recover curbuf from the .swp file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
828 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
829 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
830 ml_recover()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
831 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
832 buf_T *buf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
833 memfile_T *mfp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
834 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
835 bhdr_T *hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
836 ZERO_BL *b0p;
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
837 int b0_ff;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
838 char_u *b0_fenc = NULL;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
839 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
840 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
841 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
842 blocknr_T bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
843 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
844 struct stat org_stat, swp_stat;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
845 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
846 int directly;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
847 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
848 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
849 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
850 long error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
851 int cannot_open;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
852 linenr_T line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
853 int has_error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
854 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
855 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
856 int txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
857 off_t size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
858 int called_from_main;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
859 int serious_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
860 long mtime;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
861 int attr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
862
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
863 recoverymode = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
864 called_from_main = (curbuf->b_ml.ml_mfp == NULL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
865 attr = hl_attr(HLF_E);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
866 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
867 * If the file name ends in ".sw?" we use it directly.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
868 * Otherwise a search is done to find the swap file(s).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
869 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
870 fname = curbuf->b_fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
871 if (fname == NULL) /* When there is no file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
872 fname = (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
873 len = (int)STRLEN(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
874 if (len >= 4 &&
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
875 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
876 STRNICMP(fname + len - 4, "_sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
877 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
878 STRNICMP(fname + len - 4, ".sw" , 3)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
879 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
880 == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
881 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
882 directly = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
883 fname = vim_strsave(fname); /* make a copy for mf_open() */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
884 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
885 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
886 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
887 directly = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
888
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
889 /* count the number of matching swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
890 len = recover_names(&fname, FALSE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
891 if (len == 0) /* no swap files found */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
892 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
893 EMSG2(_("E305: No swap file found for %s"), fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
894 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
896 if (len == 1) /* one swap file found, use it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
897 i = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
898 else /* several swap files found, choose */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
899 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
900 /* list the names of the swap files */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
901 (void)recover_names(&fname, TRUE, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
902 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
903 MSG_PUTS(_("Enter number of swap file to use (0 to quit): "));
374
575dacb554d8 updated for version 7.0096
vimboss
parents: 274
diff changeset
904 i = get_number(FALSE, NULL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
905 if (i < 1 || i > len)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
906 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
907 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
908 /* get the swap file name that will be used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
909 (void)recover_names(&fname, FALSE, i);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
910 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
911 if (fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
912 goto theend; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
913
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
914 /* When called from main() still need to initialize storage structure */
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
915 if (called_from_main && ml_open(curbuf) == FAIL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
916 getout(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
917
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
918 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
919 * allocate a buffer structure (only the memline in it is really used)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
920 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
921 buf = (buf_T *)alloc((unsigned)sizeof(buf_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
922 if (buf == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
923 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
924 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
925 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
926 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
927
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
928 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
929 * init fields in memline struct
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
930 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
931 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
932 buf->b_ml.ml_stack = NULL; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
933 buf->b_ml.ml_stack_top = 0; /* nothing in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
934 buf->b_ml.ml_line_lnum = 0; /* no cached line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
935 buf->b_ml.ml_locked = NULL; /* no locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
936 buf->b_ml.ml_flags = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
937
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
938 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
939 * open the memfile from the old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
940 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
941 p = vim_strsave(fname); /* save fname for the message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
942 (mf_open() may free fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
943 mfp = mf_open(fname, O_RDONLY); /* consumes fname! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
944 if (mfp == NULL || mfp->mf_fd < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
945 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
946 if (p != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
947 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
948 EMSG2(_("E306: Cannot open %s"), p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
949 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
950 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
951 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
952 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
953 vim_free(p);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
954 buf->b_ml.ml_mfp = mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
955
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
956 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
957 * The page size set in mf_open() might be different from the page size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
958 * used in the swap file, we must get it from block 0. But to read block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
959 * 0 we need a page size. Use the minimal size for block 0 here, it will
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
960 * be set to the real value below.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
961 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
962 mfp->mf_page_size = MIN_SWAP_PAGE_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
963
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
964 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
965 * try to read block 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
966 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
967 if ((hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
968 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
969 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
970 MSG_PUTS_ATTR(_("Unable to read block 0 from "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
971 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
972 MSG_PUTS_ATTR(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
973 _("\nMaybe no changes were made or Vim did not update the swap file."),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
974 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
975 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
976 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
977 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
978 b0p = (ZERO_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
979 if (STRNCMP(b0p->b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
980 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
981 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
982 msg_outtrans_attr(mfp->mf_fname, MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
983 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
984 MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
985 MSG_PUTS_ATTR(_("Use Vim version 3.0.\n"), MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
986 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
987 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
988 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
989 if (b0p->b0_id[0] != BLOCK0_ID0 || b0p->b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
990 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
991 EMSG2(_("E307: %s does not look like a Vim swap file"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
992 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
993 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
994 if (b0_magic_wrong(b0p))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
995 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
996 msg_start();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
997 msg_outtrans_attr(mfp->mf_fname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
998 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
999 if (STRNCMP(b0p->b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1000 MSG_PUTS_ATTR(_(" cannot be used with this version of Vim.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1001 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1002 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1003 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1004 MSG_PUTS_ATTR(_(" cannot be used on this computer.\n"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1005 attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1006 MSG_PUTS_ATTR(_("The file was created on "), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1007 /* avoid going past the end of a currupted hostname */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1008 b0p->b0_fname[0] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1009 MSG_PUTS_ATTR(b0p->b0_hname, attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1010 MSG_PUTS_ATTR(_(",\nor the file has been damaged."), attr | MSG_HIST);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1011 msg_end();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1012 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1013 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1014 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1015 * If we guessed the wrong page size, we have to recalculate the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1016 * highest block number in the file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1017 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1018 if (mfp->mf_page_size != (unsigned)char_to_long(b0p->b0_page_size))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1019 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1020 mf_new_page_size(mfp, (unsigned)char_to_long(b0p->b0_page_size));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1021 if ((size = lseek(mfp->mf_fd, (off_t)0L, SEEK_END)) <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1022 mfp->mf_blocknr_max = 0; /* no file or empty file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1023 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1024 mfp->mf_blocknr_max = (blocknr_T)(size / mfp->mf_page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1025 mfp->mf_infile_count = mfp->mf_blocknr_max;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1026 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1027
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1028 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1029 * If .swp file name given directly, use name from swap file for buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1030 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1031 if (directly)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1032 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1033 expand_env(b0p->b0_fname, NameBuff, MAXPATHL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1034 if (setfname(curbuf, NameBuff, NULL, TRUE) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1035 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1036 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1037
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1038 home_replace(NULL, mfp->mf_fname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1039 smsg((char_u *)_("Using swap file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1040
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1041 if (buf_spname(curbuf) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1042 STRCPY(NameBuff, buf_spname(curbuf));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1043 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1044 home_replace(NULL, curbuf->b_ffname, NameBuff, MAXPATHL, TRUE);
274
8fa8d7964cf1 updated for version 7.0073
vimboss
parents: 169
diff changeset
1045 smsg((char_u *)_("Original file \"%s\""), NameBuff);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1046 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1047
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1048 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1049 * check date of swap file and original file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1050 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1051 mtime = char_to_long(b0p->b0_mtime);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1052 if (curbuf->b_ffname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1053 && mch_stat((char *)curbuf->b_ffname, &org_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1054 && ((mch_stat((char *)mfp->mf_fname, &swp_stat) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1055 && org_stat.st_mtime > swp_stat.st_mtime)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1056 || org_stat.st_mtime != mtime))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1057 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1058 EMSG(_("E308: Warning: Original file may have been changed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1059 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1060 out_flush();
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1061
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1062 /* Get the 'fileformat' and 'fileencoding' from block zero. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1063 b0_ff = (b0p->b0_flags & B0_FF_MASK);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1064 if (b0p->b0_flags & B0_HAS_FENC)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1065 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1066 for (p = b0p->b0_fname + B0_FNAME_SIZE;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1067 p > b0p->b0_fname && p[-1] != NUL; --p)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1068 ;
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
1069 b0_fenc = vim_strnsave(p, (int)(b0p->b0_fname + B0_FNAME_SIZE - p));
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1070 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1071
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1072 mf_put(mfp, hp, FALSE, FALSE); /* release block 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1073 hp = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1074
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1075 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1076 * Now that we are sure that the file is going to be recovered, clear the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1077 * contents of the current buffer.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1078 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1079 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1080 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1081
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1082 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1083 * Try reading the original file to obtain the values of 'fileformat',
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1084 * 'fileencoding', etc. Ignore errors. The text itself is not used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1085 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1086 if (curbuf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1087 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1088 (void)readfile(curbuf->b_ffname, NULL, (linenr_T)0,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1089 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1090 while (!(curbuf->b_ml.ml_flags & ML_EMPTY))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1091 ml_delete((linenr_T)1, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1092 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1093
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1094 /* Use the 'fileformat' and 'fileencoding' as stored in the swap file. */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1095 if (b0_ff != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1096 set_fileformat(b0_ff - 1, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1097 if (b0_fenc != NULL)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1098 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1099 set_option_value((char_u *)"fenc", 0L, b0_fenc, OPT_LOCAL);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1100 vim_free(b0_fenc);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1101 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1102 unchanged(curbuf, TRUE);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1103
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1104 bnum = 1; /* start with block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1105 page_count = 1; /* which is 1 page */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1106 lnum = 0; /* append after line 0 in curbuf */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1107 line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1108 idx = 0; /* start with first index in block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1109 error = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1110 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1111 buf->b_ml.ml_stack = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1112 buf->b_ml.ml_stack_size = 0; /* no stack yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1113
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1114 if (curbuf->b_ffname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1115 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1116 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1117 cannot_open = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1118
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1119 serious_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1120 for ( ; !got_int; line_breakcheck())
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1121 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1122 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1123 mf_put(mfp, hp, FALSE, FALSE); /* release previous block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1124
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1125 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1126 * get block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1127 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1128 if ((hp = mf_get(mfp, (blocknr_T)bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1129 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1130 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1131 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1132 EMSG2(_("E309: Unable to read block 1 from %s"), mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1133 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1134 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1135 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1136 ml_append(lnum++, (char_u *)_("???MANY LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1137 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1138 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1139 else /* there is a block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1140 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1141 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1142 if (pp->pb_id == PTR_ID) /* it is a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1143 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1144 /* check line count when using pointer block first time */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1145 if (idx == 0 && line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1146 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1147 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1148 line_count -= pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1149 if (line_count != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1150 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1151 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1152 ml_append(lnum++, (char_u *)_("???LINE COUNT WRONG"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1153 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1154 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1155 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1156
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1157 if (pp->pb_count == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1158 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1159 ml_append(lnum++, (char_u *)_("???EMPTY BLOCK"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1160 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1161 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1162 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1163 else if (idx < (int)pp->pb_count) /* go a block deeper */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1164 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1165 if (pp->pb_pointer[idx].pe_bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1166 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1167 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1168 * Data block with negative block number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1169 * Try to read lines from the original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1170 * This is slow, but it works.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1171 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1172 if (!cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1173 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1174 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1175 if (readfile(curbuf->b_ffname, NULL, lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1176 pp->pb_pointer[idx].pe_old_lnum - 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1177 line_count, NULL, 0) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1178 cannot_open = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1179 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1180 lnum += line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1181 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1182 if (cannot_open)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1183 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1184 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1185 ml_append(lnum++, (char_u *)_("???LINES MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1186 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1187 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1188 ++idx; /* get same block again for next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1189 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1190 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1191
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1192 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1193 * going one block deeper in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1194 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1195 if ((top = ml_add_stack(buf)) < 0) /* new entry in stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1196 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1197 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1198 break; /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1199 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1200 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1201 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1202 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1203
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1204 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1205 line_count = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1206 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1207 continue;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1208 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1209 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1210 else /* not a pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1211 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1212 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1213 if (dp->db_id != DATA_ID) /* block id wrong */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1214 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1215 if (bnum == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1216 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1217 EMSG2(_("E310: Block 1 ID wrong (%s not a .swp file?)"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1218 mfp->mf_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1219 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1220 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1221 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1222 ml_append(lnum++, (char_u *)_("???BLOCK MISSING"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1223 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1224 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1225 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1226 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1227 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1228 * it is a data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1229 * Append all the lines in this block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1230 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1231 has_error = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1232 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1233 * check length of block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1234 * if wrong, use length in pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1235 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1236 if (page_count * mfp->mf_page_size != dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1237 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1238 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may be messed up"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1239 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1240 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1241 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1242 dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1243 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1244
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1245 /* make sure there is a NUL at the end of the block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1246 *((char_u *)dp + dp->db_txt_end - 1) = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1247
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1248 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1249 * check number of lines in block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1250 * if wrong, use count in data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1251 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1252 if (line_count != dp->db_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1254 ml_append(lnum++, (char_u *)_("??? from here until ???END lines may have been inserted/deleted"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1255 (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1256 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1257 has_error = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1258 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1259
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1260 for (i = 0; i < dp->db_line_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1261 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1262 txt_start = (dp->db_index[i] & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1263 if (txt_start <= HEADER_SIZE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1264 || txt_start >= (int)dp->db_txt_end)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1265 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1266 p = (char_u *)"???";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1267 ++error;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1268 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1269 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1270 p = (char_u *)dp + txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1271 ml_append(lnum++, p, (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1272 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1273 if (has_error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1274 ml_append(lnum++, (char_u *)_("???END"), (colnr_T)0, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1275 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1276 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1277 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1278
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1279 if (buf->b_ml.ml_stack_top == 0) /* finished */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1280 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1281
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1282 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1283 * go one block up in the tree
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1284 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1285 ip = &(buf->b_ml.ml_stack[--(buf->b_ml.ml_stack_top)]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1286 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1287 idx = ip->ip_index + 1; /* go to next index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1288 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1289 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1290
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1291 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1292 * The dummy line from the empty buffer will now be after the last line in
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1293 * the buffer. Delete it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1294 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1295 ml_delete(curbuf->b_ml.ml_line_count, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1296 curbuf->b_flags |= BF_RECOVERED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1297
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1298 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1299 if (got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1300 EMSG(_("E311: Recovery Interrupted"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1301 else if (error)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1302 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1303 ++no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1304 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1305 EMSG(_("E312: Errors detected while recovering; look for lines starting with ???"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1306 --no_wait_return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1307 MSG(_("See \":help E312\" for more information."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1308 MSG(">>>>>>>>>>>>>");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1309 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1310 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1311 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1312 MSG(_("Recovery completed. You should check if everything is OK."));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1313 MSG_PUTS(_("\n(You might want to write out this file under another name\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1314 MSG_PUTS(_("and run diff with the original file to check for changes)\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1315 MSG_PUTS(_("Delete the .swp file afterwards.\n\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1316 cmdline_row = msg_row;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1317 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1318 redraw_curbuf_later(NOT_VALID);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1319
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1320 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1321 recoverymode = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1322 if (mfp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1323 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1324 if (hp != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1325 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1326 mf_close(mfp, FALSE); /* will also vim_free(mfp->mf_fname) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1327 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1328 vim_free(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1329 if (serious_error && called_from_main)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1330 ml_close(curbuf, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1331 #ifdef FEAT_AUTOCMD
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1332 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1333 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1334 apply_autocmds(EVENT_BUFREADPOST, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1335 apply_autocmds(EVENT_BUFWINENTER, NULL, curbuf->b_fname, FALSE, curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1336 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1337 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1338 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1339 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1340
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1341 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1342 * Find the names of swap files in current directory and the directory given
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1343 * with the 'directory' option.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1344 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1345 * Used to:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1346 * - list the swap files for "vim -r"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1347 * - count the number of swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1348 * - list the swap files when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1349 * - find the name of the n'th swap file when recovering
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1350 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1351 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1352 recover_names(fname, list, nr)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1353 char_u **fname; /* base for swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1354 int list; /* when TRUE, list the swap file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1355 int nr; /* when non-zero, return nr'th swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1356 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1357 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1358 char_u *(names[6]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1359 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1360 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1361 int num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1362 int file_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1363 char_u **files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1364 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1365 char_u *dirp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1366 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1367
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1368 if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1369 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1370 /* use msg() to start the scrolling properly */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1371 msg((char_u *)_("Swap files found:"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1372 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1373 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1374
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1375 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1376 * Do the loop for every directory in 'directory'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1377 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1378 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1379 dir_name = alloc((unsigned)STRLEN(p_dir) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1380 dirp = p_dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1381 while (dir_name != NULL && *dirp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1382 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1383 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1384 * Isolate a directory name from *dirp and put it in dir_name (we know
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1385 * it is large enough, so use 31000 for length).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1386 * Advance dirp to next directory name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1387 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1388 (void)copy_option_part(&dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1389
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1390 if (dir_name[0] == '.' && dir_name[1] == NUL) /* check current dir */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1391 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1392 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1393 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1394 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1395 names[0] = vim_strsave((char_u *)"*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1396 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1397 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1398 names[0] = vim_strsave((char_u *)"*_sw#");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1399 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1400 names[0] = vim_strsave((char_u *)"*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1401 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1402 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1403 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1404 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1405 names[1] = vim_strsave((char_u *)".*.sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1406 names[2] = vim_strsave((char_u *)".sw?");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1407 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1408 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1409 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1410 names[1] = vim_strsave((char_u *)".*_sw%");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1411 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1412 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1413 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1414 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1415 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1416 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1417 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1418 num_names = recov_file_names(names, *fname, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1419 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1420 else /* check directory dir_name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1421 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1422 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1423 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1424 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1425 names[0] = concat_fnames(dir_name, (char_u *)"*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1426 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1427 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1428 names[0] = concat_fnames(dir_name, (char_u *)"*_sw#", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1429 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1430 names[0] = concat_fnames(dir_name, (char_u *)"*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1431 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1432 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1433 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1434 /* for Unix names starting with a dot are special */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1435 names[1] = concat_fnames(dir_name, (char_u *)".*.sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1436 names[2] = concat_fnames(dir_name, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1437 num_names = 3;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1438 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1439 # ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1440 names[1] = concat_fnames(dir_name, (char_u *)".*_sw%", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1441 num_names = 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1442 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1443 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1444 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1445 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1446 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1447 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1448 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1449 #if defined(UNIX) || defined(WIN3264)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1450 p = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1451 if (after_pathsep(dir_name, p) && p[-1] == p[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1452 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1453 /* Ends with '//', Use Full path for swap name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1454 tail = make_percent_swname(dir_name, *fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1455 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1456 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1457 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1458 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1459 tail = gettail(*fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1460 tail = concat_fnames(dir_name, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1461 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1462 if (tail == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1463 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1464 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1465 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1466 num_names = recov_file_names(names, tail, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1467 vim_free(tail);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1468 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1469 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1470 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1471
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1472 /* check for out-of-memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1473 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1474 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1475 if (names[i] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1477 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1478 vim_free(names[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1479 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1480 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1481 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1482 if (num_names == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1483 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1484 else if (expand_wildcards(num_names, names, &num_files, &files,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1485 EW_KEEPALL|EW_FILE|EW_SILENT) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1486 num_files = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1487
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1488 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1489 * When no swap file found, wildcard expansion might have failed (e.g.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1490 * not able to execute the shell).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1491 * Try finding a swap file by simply adding ".swp" to the file name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1492 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1493 if (*dirp == NUL && file_count + num_files == 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1494 && fname != NULL && *fname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1495 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1496 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1497 char_u *swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1498
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1499 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1500 swapname = modname(*fname, (char_u *)"_swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1501 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1502 swapname = modname(*fname, (char_u *)".swp", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1503 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1504 if (swapname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1505 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1506 if (mch_stat((char *)swapname, &st) != -1) /* It exists! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1507 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1508 files = (char_u **)alloc((unsigned)sizeof(char_u *));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1509 if (files != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1510 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1511 files[0] = swapname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1512 swapname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1513 num_files = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1514 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1515 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1516 vim_free(swapname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1517 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1518 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1519
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1520 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1521 * remove swapfile name of the current buffer, it must be ignored
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1522 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1523 if (curbuf->b_ml.ml_mfp != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1524 && (p = curbuf->b_ml.ml_mfp->mf_fname) != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1525 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1526 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1527 if (fullpathcmp(p, files[i], TRUE) & FPC_SAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1529 vim_free(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1530 --num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1531 for ( ; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1532 files[i] = files[i + 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1533 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1534 }
838
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
1535 if (nr > 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1536 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1537 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1538 if (nr <= file_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1539 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1540 *fname = vim_strsave(files[nr - 1 + num_files - file_count]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1541 dirp = (char_u *)""; /* stop searching */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1542 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1544 else if (list)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1545 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1546 if (dir_name[0] == '.' && dir_name[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1547 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1548 if (fname == NULL || *fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1549 MSG_PUTS(_(" In current directory:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1550 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1551 MSG_PUTS(_(" Using specified name:\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1552 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1553 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1554 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1555 MSG_PUTS(_(" In directory "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1556 msg_home_replace(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1557 MSG_PUTS(":\n");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1558 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1559
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1560 if (num_files)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1561 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1562 for (i = 0; i < num_files; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1563 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1564 /* print the swap file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1565 msg_outnum((long)++file_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1566 MSG_PUTS(". ");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1567 msg_puts(gettail(files[i]));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1568 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1569 (void)swapfile_info(files[i]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1570 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1571 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1572 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1573 MSG_PUTS(_(" -- none --\n"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1574 out_flush();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1575 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1576 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1577 file_count += num_files;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1578
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1579 for (i = 0; i < num_names; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1580 vim_free(names[i]);
838
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
1581 if (num_files > 0)
8e5830943bff updated for version 7.0e04
vimboss
parents: 835
diff changeset
1582 FreeWild(num_files, files);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1583 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1584 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1585 return file_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1586 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1587
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1588 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1589 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1590 * Append the full path to name with path separators made into percent
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1591 * signs, to dir. An unnamed buffer is handled as "" (<currentdir>/"")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1592 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1593 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1594 make_percent_swname(dir, name)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1595 char_u *dir;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1596 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1597 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1598 char_u *d, *s, *f;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1599
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1600 f = fix_fname(name != NULL ? name : (char_u *) "");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1601 d = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1602 if (f != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1603 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1604 s = alloc((unsigned)(STRLEN(f) + 1));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1605 if (s != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1606 {
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1607 STRCPY(s, f);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1608 for (d = s; *d != NUL; mb_ptr_adv(d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1609 if (vim_ispathsep(*d))
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
1610 *d = '%';
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1611 d = concat_fnames(dir, s, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1612 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1613 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1614 vim_free(f);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1615 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1616 return d;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1617 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1618 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1619
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1620 #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
1621 static int process_still_running;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1622 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1623
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1624 /*
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
1625 * Give information about an existing swap file.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1626 * Returns timestamp (0 when unknown).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1627 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1628 static time_t
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1629 swapfile_info(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1630 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1631 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1632 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1633 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1634 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1635 time_t x = (time_t)0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1636 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1637 char_u uname[B0_UNAME_SIZE];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1638 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1639
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1640 /* print the swap file date */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1641 if (mch_stat((char *)fname, &st) != -1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1642 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1643 #ifdef UNIX
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1644 /* print name of owner of the file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1645 if (mch_get_uname(st.st_uid, uname, B0_UNAME_SIZE) == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1646 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1647 MSG_PUTS(_(" owned by: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1648 msg_outtrans(uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1649 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1650 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1651 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1652 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1653 MSG_PUTS(_(" dated: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1654 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1655 MSG_PUTS(ctime(&x)); /* includes '\n' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1656
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1657 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1658
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1659 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1660 * print the original file name
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1661 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1662 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1663 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1664 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1665 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1666 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1667 if (STRNCMP(b0.b0_version, "VIM 3.0", 7) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1668 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1669 MSG_PUTS(_(" [from Vim version 3.0]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1670 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1671 else if (b0.b0_id[0] != BLOCK0_ID0 || b0.b0_id[1] != BLOCK0_ID1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1672 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1673 MSG_PUTS(_(" [does not look like a Vim swap file]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1674 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1675 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1676 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1677 MSG_PUTS(_(" file name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1678 if (b0.b0_fname[0] == NUL)
9
4102fb4ea781 updated for version 7.0002
vimboss
parents: 7
diff changeset
1679 MSG_PUTS(_("[No Name]"));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1680 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1681 msg_outtrans(b0.b0_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1682
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1683 MSG_PUTS(_("\n modified: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1684 MSG_PUTS(b0.b0_dirty ? _("YES") : _("no"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1685
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1686 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1687 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1688 MSG_PUTS(_("\n user name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1689 msg_outtrans(b0.b0_uname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1691
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1692 if (*(b0.b0_hname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1693 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1694 if (*(b0.b0_uname) != NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1695 MSG_PUTS(_(" host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1696 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1697 MSG_PUTS(_("\n host name: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1698 msg_outtrans(b0.b0_hname);
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 if (char_to_long(b0.b0_pid) != 0L)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1702 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1703 MSG_PUTS(_("\n process ID: "));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1704 msg_outnum(char_to_long(b0.b0_pid));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1705 #if defined(UNIX) || defined(__EMX__)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1706 /* EMX kill() not working correctly, it seems */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1707 if (kill((pid_t)char_to_long(b0.b0_pid), 0) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1708 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1709 MSG_PUTS(_(" (still running)"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1710 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1711 process_still_running = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1712 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1713 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1714 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1715 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1716
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1717 if (b0_magic_wrong(&b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1718 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1719 #if defined(MSDOS) || defined(MSWIN)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1720 if (STRNCMP(b0.b0_hname, "PC ", 3) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1721 MSG_PUTS(_("\n [not usable with this version of Vim]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1722 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1723 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1724 MSG_PUTS(_("\n [not usable on this computer]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1725 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1727 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1728 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1729 MSG_PUTS(_(" [cannot be read]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1730 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1731 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1732 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1733 MSG_PUTS(_(" [cannot be opened]"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1734 msg_putchar('\n');
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1735
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1736 return x;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1737 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1738
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1739 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1740 recov_file_names(names, path, prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1741 char_u **names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1742 char_u *path;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1743 int prepend_dot;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1744 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1745 int num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1746
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1747 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1748 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1749 * (MS-DOS) always short names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1750 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1751 names[0] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1752 num_names = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1753 #else /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1754 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1755 * (Win32 and Win64) never short names, but do prepend a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1756 * (Not MS-DOS or Win32 or Win64) maybe short name, maybe not: Try both.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1757 * Only use the short name if it is different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1758 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1759 char_u *p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1760 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1761 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1762 int shortname = curbuf->b_shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1763
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1764 curbuf->b_shortname = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1765 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1766
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1767 num_names = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1768
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1769 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1770 * 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
1771 * dir as original file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1772 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1773 if (prepend_dot)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1774 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1775 names[num_names] = modname(path, (char_u *)".sw?", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1776 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1777 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1778 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1779 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1780
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1781 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1782 * Form the normal swap file name pattern by appending ".sw?".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1783 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1784 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1785 names[num_names] = concat_fnames(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1786 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1787 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1788 names[num_names] = concat_fnames(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1789 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1790 names[num_names] = concat_fnames(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1791 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1792 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1793 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1794 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1795 if (num_names >= 1) /* check if we have the same name twice */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1796 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1797 p = names[num_names - 1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1798 i = (int)STRLEN(names[num_names - 1]) - (int)STRLEN(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1799 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1800 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1801
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1802 if (STRCMP(p, names[num_names]) != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1803 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1804 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1805 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1806 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1807 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1808 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1809
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1810 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1811 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1812 * Also try with 'shortname' set, in case the file is on a DOS filesystem.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1813 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1814 curbuf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1815 #ifdef VMS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1816 names[num_names] = modname(path, (char_u *)"_sw%", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1817 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1818 # ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1819 names[num_names] = modname(path, (char_u *)"_sw#", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1820 # else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1821 names[num_names] = modname(path, (char_u *)".sw?", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1822 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1823 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1824 if (names[num_names] == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1825 goto end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1826
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1827 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1828 * Remove the one from 'shortname', if it's the same as with 'noshortname'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1829 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1830 p = names[num_names];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1831 i = STRLEN(names[num_names]) - STRLEN(names[num_names - 1]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1832 if (i > 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1833 p += i; /* file name has been expanded to full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1834 if (STRCMP(names[num_names - 1], p) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1835 vim_free(names[num_names]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1836 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1837 ++num_names;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1838 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1839
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1840 end:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1841 # ifndef WIN3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1842 curbuf->b_shortname = shortname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1843 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1844
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1845 #endif /* !SHORT_FNAME */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1846
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1847 return num_names;
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 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1851 * sync all memlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1852 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1853 * If 'check_file' is TRUE, check if original file exists and was not changed.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1854 * If 'check_char' is TRUE, stop syncing when character becomes available, but
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1855 * always sync at least one block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1856 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1857 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1858 ml_sync_all(check_file, check_char)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1859 int check_file;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1860 int check_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1861 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1862 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1863 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1864
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1865 for (buf = firstbuf; buf != NULL; buf = buf->b_next)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1866 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1867 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
1868 continue; /* no file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1869
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1870 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1871 /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1872 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1873 if (bufIsChanged(buf) && check_file && mf_need_trans(buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1874 && buf->b_ffname != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1875 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1876 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1877 * If the original file does not exist anymore or has been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1878 * call ml_preserve() to get rid of all negative numbered blocks.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1879 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1880 if (mch_stat((char *)buf->b_ffname, &st) == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1881 || st.st_mtime != buf->b_mtime_read
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1882 || (size_t)st.st_size != buf->b_orig_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1883 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1884 ml_preserve(buf, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1885 did_check_timestamps = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1886 need_check_timestamps = TRUE; /* give message later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1887 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1888 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1889 if (buf->b_ml.ml_mfp->mf_dirty)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1890 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1891 (void)mf_sync(buf->b_ml.ml_mfp, (check_char ? MFS_STOP : 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1892 | (bufIsChanged(buf) ? MFS_FLUSH : 0));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1893 if (check_char && ui_char_avail()) /* character available now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1894 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1895 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1896 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1897 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1898
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1899 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1900 * sync one buffer, including negative blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1901 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1902 * after this all the blocks are in the swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1903 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1904 * Used for the :preserve command and when the original file has been
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1905 * changed or deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1906 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1907 * when message is TRUE the success of preserving is reported
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1908 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1909 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1910 ml_preserve(buf, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1911 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1912 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1913 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1914 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1915 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1916 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1917 int status;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1918 int got_int_save = got_int;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1919
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1920 if (mfp == NULL || mfp->mf_fname == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1921 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1922 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1923 EMSG(_("E313: Cannot preserve, there is no swap file"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1924 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1925 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1926
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1927 /* We only want to stop when interrupted here, not when interrupted
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1928 * before. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1929 got_int = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1930
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1931 ml_flush_line(buf); /* flush buffered line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1932 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1933 status = mf_sync(mfp, MFS_ALL | MFS_FLUSH);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1934
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1935 /* stack is invalid after mf_sync(.., MFS_ALL) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1936 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1937
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1938 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1939 * Some of the data blocks may have been changed from negative to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1940 * positive block number. In that case the pointer blocks need to be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1941 * updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1942 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1943 * We don't know in which pointer block the references are, so we visit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1944 * all data blocks until there are no more translations to be done (or
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1945 * 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
1946 * e.g. when file system if full).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1947 * ml_find_line() does the work by translating the negative block numbers
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1948 * when getting the first line of each data block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1949 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1950 if (mf_need_trans(mfp) && !got_int)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1951 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1952 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1953 while (mf_need_trans(mfp) && lnum <= buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1954 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1955 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1956 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1957 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1958 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1959 goto theend;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1960 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1961 CHECK(buf->b_ml.ml_locked_low != lnum, "low != lnum");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1962 lnum = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1963 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1964 (void)ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush locked block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1965 /* sync the updated pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1966 if (mf_sync(mfp, MFS_ALL | MFS_FLUSH) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1967 status = FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1968 buf->b_ml.ml_stack_top = 0; /* stack is invalid now */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1969 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1970 theend:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1971 got_int |= got_int_save;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1972
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1973 if (message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1974 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1975 if (status == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1976 MSG(_("File preserved"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1977 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1978 EMSG(_("E314: Preserve failed"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1979 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1980 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1981
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1982 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1983 * NOTE: The pointer returned by the ml_get_*() functions only remains valid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1984 * until the next call!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1985 * line1 = ml_get(1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1986 * line2 = ml_get(2); // line1 is now invalid!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1987 * Make a copy of the line if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1988 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1989 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1990 * get a pointer to a (read-only copy of a) line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1991 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1992 * On failure an error message is given and IObuff is returned (to avoid
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1993 * having to check for error everywhere).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1994 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1995 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1996 ml_get(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1997 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1998 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
1999 return ml_get_buf(curbuf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2000 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2001
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2002 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2003 * ml_get_pos: get pointer to position 'pos'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2004 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2005 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2006 ml_get_pos(pos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2007 pos_T *pos;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2008 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2009 return (ml_get_buf(curbuf, pos->lnum, FALSE) + pos->col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2010 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2011
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2012 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2013 * ml_get_curline: get pointer to cursor line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2014 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2015 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2016 ml_get_curline()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2017 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2018 return ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2019 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2020
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2021 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2022 * ml_get_cursor: get pointer to cursor position
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2023 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2024 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2025 ml_get_cursor()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2026 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2027 return (ml_get_buf(curbuf, curwin->w_cursor.lnum, FALSE) +
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2028 curwin->w_cursor.col);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2029 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2030
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2031 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2032 * get a pointer to a line in a specific buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2033 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2034 * "will_change": if TRUE mark the buffer dirty (chars in the line will be
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2035 * changed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2036 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2037 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2038 ml_get_buf(buf, lnum, will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2039 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2040 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2041 int will_change; /* line will be changed */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2042 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2043 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2044 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2045 char_u *ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2046
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2047 if (lnum > buf->b_ml.ml_line_count) /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2048 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2049 EMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2050 errorret:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2051 STRCPY(IObuff, "???");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2052 return IObuff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2053 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2054 if (lnum <= 0) /* pretend line 0 is line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2055 lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2056
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2057 if (buf->b_ml.ml_mfp == NULL) /* there are no lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2058 return (char_u *)"";
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2059
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2060 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2061 * See if it is the same line as requested last time.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2062 * Otherwise may need to flush last used line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2063 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2064 if (buf->b_ml.ml_line_lnum != lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2065 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2066 ml_flush_line(buf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2067
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2068 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2069 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2070 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2071 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2072 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2073 if ((hp = ml_find_line(buf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2074 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2075 EMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2076 goto errorret;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2077 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2078
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2079 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2080
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2081 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
2082 buf->b_ml.ml_line_ptr = ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2083 buf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2084 buf->b_ml.ml_flags &= ~ML_LINE_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2085 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2086 if (will_change)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2087 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2088
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2089 return buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2090 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2091
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2092 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2093 * Check if a line that was just obtained by a call to ml_get
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2094 * is in allocated memory.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2095 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2096 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2097 ml_line_alloced()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2098 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2099 return (curbuf->b_ml.ml_flags & ML_LINE_DIRTY);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2100 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2101
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2102 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2103 * 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
2104 * "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
2105 * buffer, unlocking may make it invalid.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2106 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2107 * newfile: TRUE when starting to edit a new file, meaning that pe_old_lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2108 * will be set for recovery
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2109 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2110 * appended_lines().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2111 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2112 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2113 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2114 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2115 ml_append(lnum, line, len, newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2116 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2117 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2118 colnr_T len; /* length of new line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2119 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2120 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2121 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2122 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2123 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2124
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2125 if (curbuf->b_ml.ml_line_lnum != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2126 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2127 return ml_append_int(curbuf, lnum, line, len, newfile, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2128 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2129
748
605c8fbb13dd updated for version 7.0222
vimboss
parents: 720
diff changeset
2130 #if defined(FEAT_SPELL) || defined(PROTO)
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2131 /*
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2132 * Like ml_append() but for an arbitrary buffer. The buffer must already have
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2133 * a memline.
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2134 */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2135 int
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2136 ml_append_buf(buf, lnum, line, len, newfile)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2137 buf_T *buf;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2138 linenr_T lnum; /* append after this line (can be 0) */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2139 char_u *line; /* text of the new line */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2140 colnr_T len; /* length of new line, including NUL, or 0 */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2141 int newfile; /* flag, see above */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2142 {
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2143 if (buf->b_ml.ml_mfp == NULL)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2144 return FAIL;
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2145
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2146 if (buf->b_ml.ml_line_lnum != 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2147 ml_flush_line(buf);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2148 return ml_append_int(buf, lnum, line, len, newfile, FALSE);
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2149 }
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2150 #endif
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2151
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2152 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2153 ml_append_int(buf, lnum, line, len, newfile, mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2154 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2155 linenr_T lnum; /* append after this line (can be 0) */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2156 char_u *line; /* text of the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2157 colnr_T len; /* length of line, including NUL, or 0 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2158 int newfile; /* flag, see above */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2159 int mark; /* mark the new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2160 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2161 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2162 int line_count; /* number of indexes in current block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2163 int offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2164 int from, to;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2165 int space_needed; /* space needed for new line */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2166 int page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2167 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2168 int db_idx; /* index for lnum in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2169 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2170 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2171 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2172 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2173 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2174
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2175 /* lnum out of range */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2176 if (lnum > buf->b_ml.ml_line_count || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2177 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2178
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2179 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2180 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2181
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2182 if (len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2183 len = (colnr_T)STRLEN(line) + 1; /* space needed for the text */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2184 space_needed = len + INDEX_SIZE; /* space needed for text + index */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2185
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2186 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2187 page_size = mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2188
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2189 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2190 * find the data block containing the previous line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2191 * 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
2192 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2193 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2194 if ((hp = ml_find_line(buf, lnum == 0 ? (linenr_T)1 : lnum,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2195 ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2196 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2197
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2198 buf->b_ml.ml_flags &= ~ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2199
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2200 if (lnum == 0) /* got line one instead, correct db_idx */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2201 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2202 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2203 db_idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2204 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2205 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2206
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2207 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2208
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2209 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2210 * If
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2211 * - there is not enough room in the current block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2212 * - appending to the last line in the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2213 * - not appending to the last line in the file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2214 * insert in front of the next block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2215 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2216 if ((int)dp->db_free < space_needed && db_idx == line_count - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2217 && lnum < buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2218 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2219 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2220 * 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
2221 * expected, the line count has to be adjusted in the pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2222 * by using ml_locked_lineadd.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2223 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2224 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2225 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2226 if ((hp = ml_find_line(buf, lnum + 1, ML_INSERT)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2227 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2228
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2229 db_idx = -1; /* careful, it is negative! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2230 /* get line count before the insertion */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2231 line_count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2232 CHECK(buf->b_ml.ml_locked_low != lnum + 1, "locked_low != lnum + 1");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2233
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2234 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2235 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2236
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2237 ++buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2238
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2239 if ((int)dp->db_free >= space_needed) /* enough room in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2240 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2241 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2242 * Insert new line in existing data block, or in data block allocated above.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2243 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2244 dp->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2245 dp->db_free -= space_needed;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2246 ++(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2247
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2248 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2249 * move the text of the lines that follow to the front
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2250 * adjust the indexes of the lines that follow
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2251 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2252 if (line_count > db_idx + 1) /* if there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2254 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2255 * Offset is the start of the previous line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2256 * This will become the character just after the new line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2257 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2258 if (db_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2259 offset = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2260 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2261 offset = ((dp->db_index[db_idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2262 mch_memmove((char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2263 (char *)dp + dp->db_txt_start + len,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2264 (size_t)(offset - (dp->db_txt_start + len)));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2265 for (i = line_count - 1; i > db_idx; --i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2266 dp->db_index[i + 1] = dp->db_index[i] - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2267 dp->db_index[db_idx + 1] = offset - len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2268 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2269 else /* add line at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2270 dp->db_index[db_idx + 1] = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2271
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2272 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2273 * copy the text into the block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2274 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2275 mch_memmove((char *)dp + dp->db_index[db_idx + 1], line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2276 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2277 dp->db_index[db_idx + 1] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2278
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2279 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2280 * Mark the block dirty.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2281 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2282 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2283 if (!newfile)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2284 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2285 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2286 else /* not enough space in data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2287 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2288 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2289 * 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
2290 * lines into it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2291 * Then we have to insert an entry in the pointer block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2292 * 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
2293 * to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2294 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2295 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2296 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2297 long line_count_left, line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2298 int page_count_left, page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2299 bhdr_T *hp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2300 bhdr_T *hp_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2301 bhdr_T *hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2302 int lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2303 int data_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2304 int total_moved = 0; /* init to shut up gcc */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2305 DATA_BL *dp_right, *dp_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2306 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2307 int in_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2308 int lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2309 blocknr_T bnum_left, bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2310 linenr_T lnum_left, lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2311 int pb_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2312 PTR_BL *pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2313
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2314 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2315 * We are going to allocate a new data block. Depending on the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2316 * situation it will be put to the left or right of the existing
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2317 * block. If possible we put the new line in the left block and move
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2318 * the lines after it to the right block. Otherwise the new line is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2319 * also put in the right block. This method is more efficient when
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2320 * inserting a lot of lines at one place.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2321 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2322 if (db_idx < 0) /* left block is new, right block is existing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2323 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2324 lines_moved = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2325 in_left = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2326 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2327 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2328 else /* left block is existing, right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2329 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2330 lines_moved = line_count - db_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2331 if (lines_moved == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2332 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2333 /* space_needed does not change */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2334 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2335 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2336 data_moved = ((dp->db_index[db_idx]) & DB_INDEX_MASK) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2337 dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2338 total_moved = data_moved + lines_moved * INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2339 if ((int)dp->db_free + total_moved >= space_needed)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2340 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2341 in_left = TRUE; /* put new line in left block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2342 space_needed = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2343 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2344 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2345 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2346 in_left = FALSE; /* put new line in right block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2347 space_needed += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2348 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2349 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2350 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2351
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2352 page_count = ((space_needed + HEADER_SIZE) + page_size - 1) / page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2353 if ((hp_new = ml_new_data(mfp, newfile, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2354 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2355 /* correct line counts in pointer blocks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2356 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2357 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2358 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2359 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2360 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2361 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2362 hp_left = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2363 hp_right = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2364 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2365 line_count_right = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2366 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2367 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2368 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2369 hp_left = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2370 hp_right = hp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2371 line_count_left = line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2372 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2373 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2374 dp_right = (DATA_BL *)(hp_right->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2375 dp_left = (DATA_BL *)(hp_left->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2376 bnum_left = hp_left->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2377 bnum_right = hp_right->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2378 page_count_left = hp_left->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2379 page_count_right = hp_right->bh_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2380
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2381 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2382 * May move the new line into the right/new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2383 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2384 if (!in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2385 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2386 dp_right->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2387 dp_right->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2388 dp_right->db_index[0] = dp_right->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2389 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2390 dp_right->db_index[0] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2391
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2392 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2393 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2394 ++line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2395 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2396 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2397 * may move lines from the left/old block to the right/new one.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2398 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2399 if (lines_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2400 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2401 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2402 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2403 dp_right->db_txt_start -= data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2404 dp_right->db_free -= total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2405 mch_memmove((char *)dp_right + dp_right->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2406 (char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2407 (size_t)data_moved);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2408 offset = dp_right->db_txt_start - dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2409 dp_left->db_txt_start += data_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2410 dp_left->db_free += total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2411
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2412 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2413 * update indexes in the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2414 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2415 for (to = line_count_right, from = db_idx + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2416 from < line_count_left; ++from, ++to)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2417 dp_right->db_index[to] = dp->db_index[from] + offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2418 line_count_right += lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2419 line_count_left -= lines_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2420 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2421
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2422 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2423 * May move the new line into the left (old or new) block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2424 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2425 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2426 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2427 dp_left->db_txt_start -= len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2428 dp_left->db_free -= len + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2429 dp_left->db_index[line_count_left] = dp_left->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2430 if (mark)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2431 dp_left->db_index[line_count_left] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2432 mch_memmove((char *)dp_left + dp_left->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2433 line, (size_t)len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2434 ++line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2435 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2436
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2437 if (db_idx < 0) /* left block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2438 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2439 lnum_left = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2440 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2441 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2442 else /* right block is new */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2443 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2444 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2445 if (in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2446 lnum_right = lnum + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2447 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2448 lnum_right = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2449 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2450 dp_left->db_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2451 dp_right->db_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2452
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2453 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2454 * release the two data blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2455 * The new one (hp_new) already has a correct blocknumber.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2456 * The old one (hp, in ml_locked) gets a positive blocknumber if
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2457 * we changed it and we are not editing a new file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2458 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2459 if (lines_moved || in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2460 buf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2461 if (!newfile && db_idx >= 0 && in_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2462 buf->b_ml.ml_flags |= ML_LOCKED_POS;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2463 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2464
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2465 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2466 * flush the old data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2467 * set ml_locked_lineadd to 0, because the updating of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2468 * pointer blocks is done below
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2469 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2470 lineadd = buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2471 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2472 ml_find_line(buf, (linenr_T)0, ML_FLUSH); /* flush data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2473
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2474 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2475 * update pointer blocks for the new data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2476 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2477 for (stack_idx = buf->b_ml.ml_stack_top - 1; stack_idx >= 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2478 --stack_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2479 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2480 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2481 pb_idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2482 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2483 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2484 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2485 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2486 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2487 EMSG(_("E317: pointer block id wrong 3"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2488 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2489 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2490 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2491 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2492 * TODO: If the pointer block is full and we are adding at the end
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2493 * try to insert in front of the next block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2494 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2495 /* block not full, add one entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2496 if (pp->pb_count < pp->pb_count_max)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2497 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2498 if (pb_idx + 1 < (int)pp->pb_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2499 mch_memmove(&pp->pb_pointer[pb_idx + 2],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2500 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2501 (size_t)(pp->pb_count - pb_idx - 1) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2502 ++pp->pb_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2503 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2504 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2505 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2506 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2507 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2508 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2509
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2510 if (lnum_left != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2511 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2512 if (lnum_right != 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2513 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2514
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2515 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2516 buf->b_ml.ml_stack_top = stack_idx + 1; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2517
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2518 if (lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2519 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2520 --(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2521 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2522 ml_lineadd(buf, lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2523 /* fix stack itself */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2524 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2525 lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2526 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2527 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2528
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2529 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2530 * We are finished, break the loop here.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2531 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2532 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2533 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2534 else /* pointer block full */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2535 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2536 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2537 * split the pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2538 * allocate a new pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2539 * move some of the pointer into the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2540 * prepare for updating the parent block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2541 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2542 for (;;) /* do this twice when splitting block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2543 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2544 hp_new = ml_new_ptr(mfp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2545 if (hp_new == NULL) /* TODO: try to fix tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2546 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2547 pp_new = (PTR_BL *)(hp_new->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2548
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2549 if (hp->bh_bnum != 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2550 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2551
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2552 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2553 * if block 1 becomes full the tree is given an extra level
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2554 * The pointers from block 1 are moved into the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2555 * block 1 is updated to point to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2556 * then continue to split the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2557 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2558 mch_memmove(pp_new, pp, (size_t)page_size);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2559 pp->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2560 pp->pb_pointer[0].pe_bnum = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2561 pp->pb_pointer[0].pe_line_count = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2562 pp->pb_pointer[0].pe_old_lnum = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2563 pp->pb_pointer[0].pe_page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2564 mf_put(mfp, hp, TRUE, FALSE); /* release block 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2565 hp = hp_new; /* new block is to be split */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2566 pp = pp_new;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2567 CHECK(stack_idx != 0, _("stack_idx should be 0"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2568 ip->ip_index = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2569 ++stack_idx; /* do block 1 again later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2570 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2571 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2572 * move the pointers after the current one to the new block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2573 * If there are none, the new entry will be in the new block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2574 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2575 total_moved = pp->pb_count - pb_idx - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2576 if (total_moved)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2577 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2578 mch_memmove(&pp_new->pb_pointer[0],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2579 &pp->pb_pointer[pb_idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2580 (size_t)(total_moved) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2581 pp_new->pb_count = total_moved;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2582 pp->pb_count -= total_moved - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2583 pp->pb_pointer[pb_idx + 1].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2584 pp->pb_pointer[pb_idx + 1].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2585 pp->pb_pointer[pb_idx + 1].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2586 if (lnum_right)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2587 pp->pb_pointer[pb_idx + 1].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2588 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2589 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2590 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2591 pp_new->pb_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2592 pp_new->pb_pointer[0].pe_bnum = bnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2593 pp_new->pb_pointer[0].pe_line_count = line_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2594 pp_new->pb_pointer[0].pe_page_count = page_count_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2595 pp_new->pb_pointer[0].pe_old_lnum = lnum_right;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2596 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2597 pp->pb_pointer[pb_idx].pe_bnum = bnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2598 pp->pb_pointer[pb_idx].pe_line_count = line_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2599 pp->pb_pointer[pb_idx].pe_page_count = page_count_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2600 if (lnum_left)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2601 pp->pb_pointer[pb_idx].pe_old_lnum = lnum_left;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2602 lnum_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2603 lnum_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2604
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2605 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2606 * recompute line counts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2607 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2608 line_count_right = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2609 for (i = 0; i < (int)pp_new->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2610 line_count_right += pp_new->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2611 line_count_left = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2612 for (i = 0; i < (int)pp->pb_count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2613 line_count_left += pp->pb_pointer[i].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2614
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2615 bnum_left = hp->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2616 bnum_right = hp_new->bh_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2617 page_count_left = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2618 page_count_right = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2619 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2620 mf_put(mfp, hp_new, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2621 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2622 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2623
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2624 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2625 * Safety check: fallen out of for loop?
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2626 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2627 if (stack_idx < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2628 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2629 EMSG(_("E318: Updated too many blocks?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2630 buf->b_ml.ml_stack_top = 0; /* invalidate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2631 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2632 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2633
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2634 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2635 /* The line was inserted below 'lnum' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2636 ml_updatechunk(buf, lnum + 1, (long)len, ML_CHNK_ADDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2637 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2638 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2639 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2640 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2641 if (STRLEN(line) > 0)
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
2642 netbeans_inserted(buf, lnum+1, (colnr_T)0, line, (int)STRLEN(line));
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2643 netbeans_inserted(buf, lnum+1, (colnr_T)STRLEN(line),
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2644 (char_u *)"\n", 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2645 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2646 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2647 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2648 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2649
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2650 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2651 * Replace line lnum, with buffering, in current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2652 *
720
e180933b876a updated for version 7.0219
vimboss
parents: 714
diff changeset
2653 * If "copy" is TRUE, make a copy of the line, otherwise the line has been
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2654 * copied to allocated memory already.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2655 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2656 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2657 * changed_lines(), unless update_screen(NOT_VALID) is used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2658 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2659 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2660 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2661 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2662 ml_replace(lnum, line, copy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2663 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2664 char_u *line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2665 int copy;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2666 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2667 if (line == NULL) /* just checking... */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2668 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2669
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2670 /* When starting up, we might still need to create the memfile */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2671 if (curbuf->b_ml.ml_mfp == NULL && open_buffer(FALSE, NULL) == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2672 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2673
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2674 if (copy && (line = vim_strsave(line)) == NULL) /* allocate memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2675 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2676 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2677 if (usingNetbeans)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2678 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2679 netbeans_removed(curbuf, lnum, 0, (long)STRLEN(ml_get(lnum)));
835
8bebcabccc2c updated for version 7.0e01
vimboss
parents: 800
diff changeset
2680 netbeans_inserted(curbuf, lnum, 0, line, (int)STRLEN(line));
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2681 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2682 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2683 if (curbuf->b_ml.ml_line_lnum != lnum) /* other line buffered */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2684 ml_flush_line(curbuf); /* flush it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2685 else if (curbuf->b_ml.ml_flags & ML_LINE_DIRTY) /* same line allocated */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2686 vim_free(curbuf->b_ml.ml_line_ptr); /* free it */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2687 curbuf->b_ml.ml_line_ptr = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2688 curbuf->b_ml.ml_line_lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2689 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
2690
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2691 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2692 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2693
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2694 /*
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
2695 * Delete line 'lnum' in the current buffer.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2696 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2697 * Check: The caller of this function should probably also call
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2698 * deleted_lines() after this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2699 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2700 * return FAIL for failure, OK otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2701 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2702 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2703 ml_delete(lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2704 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2705 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2706 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2707 ml_flush_line(curbuf);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2708 return ml_delete_int(curbuf, lnum, message);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2709 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2710
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2711 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2712 ml_delete_int(buf, lnum, message)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2713 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2714 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2715 int message;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2716 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2717 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2718 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2719 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2720 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2721 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2722 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2723 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2724 int stack_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2725 int text_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2726 int line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2727 long line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2728 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2729
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2730 if (lnum < 1 || lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2731 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2732
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2733 if (lowest_marked && lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2734 lowest_marked--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2735
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2736 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2737 * If the file becomes empty the last line is replaced by an empty line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2738 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2739 if (buf->b_ml.ml_line_count == 1) /* file becomes empty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2740 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2741 if (message
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2742 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2743 && !netbeansSuppressNoLines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2744 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2745 )
680
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
2746 set_keep_msg((char_u *)_(no_lines_msg), 0);
5b101ff9d4c4 updated for version 7.0203
vimboss
parents: 630
diff changeset
2747
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2748 /* FEAT_BYTEOFF already handled in there, dont worry 'bout it below */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2749 i = ml_replace((linenr_T)1, (char_u *)"", TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2750 buf->b_ml.ml_flags |= ML_EMPTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2751
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2752 return i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2753 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2754
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2755 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2756 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2757 * 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
2758 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2759 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2760 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2761 if (mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2762 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2763
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2764 if ((hp = ml_find_line(buf, lnum, ML_DELETE)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2765 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2766
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2767 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2768 /* compute line count before the delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2769 count = (long)(buf->b_ml.ml_locked_high)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2770 - (long)(buf->b_ml.ml_locked_low) + 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2771 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2772
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2773 --buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2774
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2775 line_start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2776 if (idx == 0) /* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2777 line_size = dp->db_txt_end - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2778 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2779 line_size = ((dp->db_index[idx - 1]) & DB_INDEX_MASK) - line_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2780
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2781 #ifdef FEAT_NETBEANS_INTG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2782 if (usingNetbeans)
34
7f788cd27415 updated for version 7.0020
vimboss
parents: 20
diff changeset
2783 netbeans_removed(buf, lnum, 0, (long)line_size);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2784 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2785
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2786 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2787 * 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
2788 * Then we have to remove the entry, pointing to this data block, from the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2789 * pointer block. If this pointer block also becomes empty, we go up another
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2790 * block, and so on, up to the root if necessary.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2791 * The line counts in the pointer blocks have already been adjusted by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2792 * ml_find_line().
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2793 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2794 if (count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2795 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2796 mf_free(mfp, hp); /* free the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2797 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2798
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2799 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
2800 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2801 buf->b_ml.ml_stack_top = 0; /* stack is invalid when failing */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2802 ip = &(buf->b_ml.ml_stack[stack_idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2803 idx = ip->ip_index;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2804 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2805 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2806 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2807 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2808 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2809 EMSG(_("E317: pointer block id wrong 4"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2810 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2811 return FAIL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2812 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2813 count = --(pp->pb_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2814 if (count == 0) /* the pointer block becomes empty! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2815 mf_free(mfp, hp);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2816 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2817 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2818 if (count != idx) /* move entries after the deleted one */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2819 mch_memmove(&pp->pb_pointer[idx], &pp->pb_pointer[idx + 1],
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2820 (size_t)(count - idx) * sizeof(PTR_EN));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2821 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2822
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2823 buf->b_ml.ml_stack_top = stack_idx; /* truncate stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2824 /* fix line count for rest of blocks in the stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2825 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2826 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2827 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2828 buf->b_ml.ml_stack[buf->b_ml.ml_stack_top].ip_high +=
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2829 buf->b_ml.ml_locked_lineadd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2830 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2831 ++(buf->b_ml.ml_stack_top);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2832
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2833 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2834 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2835 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2836 CHECK(stack_idx < 0, _("deleted block 1?"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2837 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2838 else
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 * delete the text by moving the next lines forwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2842 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2843 text_start = dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2844 mch_memmove((char *)dp + text_start + line_size,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2845 (char *)dp + text_start, (size_t)(line_start - text_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2846
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2847 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2848 * delete the index by moving the next indexes backwards
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2849 * Adjust the indexes for the text movement.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2850 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2851 for (i = idx; i < count - 1; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2852 dp->db_index[i] = dp->db_index[i + 1] + line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2853
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2854 dp->db_free += line_size + INDEX_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2855 dp->db_txt_start += line_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2856 --(dp->db_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2857
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2858 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2859 * mark the block dirty and make sure it is in the file (for recovery)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2860 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2861 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2862 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2863
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2864 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2865 ml_updatechunk(buf, lnum, line_size, ML_CHNK_DELLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2866 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2867 return OK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2868 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2869
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2870 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2871 * set the B_MARKED flag for line 'lnum'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2872 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2873 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2874 ml_setmarked(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2875 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2876 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2877 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2878 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2879 /* invalid line number */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2880 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2881 || curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2882 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2883
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2884 if (lowest_marked == 0 || lowest_marked > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2885 lowest_marked = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2886
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2887 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2888 * find the data block containing the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2889 * 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
2890 * This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2891 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2892 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2893 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2894
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2895 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2896 dp->db_index[lnum - curbuf->b_ml.ml_locked_low] |= DB_MARKED;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2897 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2898 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2899
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2900 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2901 * find the first line with its B_MARKED flag set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2902 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2903 linenr_T
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2904 ml_firstmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2905 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2906 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2907 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2908 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2909 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2910
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2911 if (curbuf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2912 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2913
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2914 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2915 * The search starts with lowest_marked line. This is the last line where
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2916 * a mark was found, adjusted by inserting/deleting lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2917 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2918 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2919 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2920 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2921 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2922 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2923 * block This also releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2924 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2925 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2926 return (linenr_T)0; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2927
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2928 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2929
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2930 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2931 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2932 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2933 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2934 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2935 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2936 lowest_marked = lnum + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2937 return lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2938 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2939 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2940
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2941 return (linenr_T) 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2942 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2943
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2944 #if 0 /* not used */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2945 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2946 * return TRUE if line 'lnum' has a mark
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2947 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2948 int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2949 ml_has_mark(lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2950 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2951 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2952 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2953 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2954
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2955 if (curbuf->b_ml.ml_mfp == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2956 || (hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2957 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2958
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2959 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2960 return (int)((dp->db_index[lnum - curbuf->b_ml.ml_locked_low]) & DB_MARKED);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2961 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2962 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2963
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2964 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2965 * clear all DB_MARKED flags
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2966 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2967 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2968 ml_clearmarked()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2969 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2970 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2971 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2972 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2973 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2974
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2975 if (curbuf->b_ml.ml_mfp == NULL) /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2976 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2977
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2978 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2979 * The search starts with line lowest_marked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2980 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2981 for (lnum = lowest_marked; lnum <= curbuf->b_ml.ml_line_count; )
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2982 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2983 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2984 * Find the data block containing the line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2985 * This also fills the stack with the blocks from the root to the data
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2986 * block and releases any locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2987 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2988 if ((hp = ml_find_line(curbuf, lnum, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2989 return; /* give error message? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2990
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2991 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2992
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2993 for (i = lnum - curbuf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2994 lnum <= curbuf->b_ml.ml_locked_high; ++i, ++lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2995 if ((dp->db_index[i]) & DB_MARKED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2996 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2997 (dp->db_index[i]) &= DB_INDEX_MASK;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2998 curbuf->b_ml.ml_flags |= ML_LOCKED_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
2999 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3000 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3001
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3002 lowest_marked = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3003 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3004 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3005
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3006 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3007 * flush ml_line if necessary
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3008 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3009 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3010 ml_flush_line(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3011 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3012 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3013 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3014 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3015 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3016 char_u *new_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3017 char_u *old_line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3018 colnr_T new_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3019 int old_len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3020 int extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3021 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3022 int start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3023 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3024 int i;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3025
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3026 if (buf->b_ml.ml_line_lnum == 0 || buf->b_ml.ml_mfp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3027 return; /* nothing to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3028
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3029 if (buf->b_ml.ml_flags & ML_LINE_DIRTY)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3030 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3031 lnum = buf->b_ml.ml_line_lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3032 new_line = buf->b_ml.ml_line_ptr;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3033
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3034 hp = ml_find_line(buf, lnum, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3035 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3036 EMSGN(_("E320: Cannot find line %ld"), lnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3037 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3038 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3039 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3040 idx = lnum - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3041 start = ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3042 old_line = (char_u *)dp + start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3043 if (idx == 0) /* line is last in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3044 old_len = dp->db_txt_end - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3045 else /* text of previous line follows */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3046 old_len = (dp->db_index[idx - 1] & DB_INDEX_MASK) - start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3047 new_len = (colnr_T)STRLEN(new_line) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3048 extra = new_len - old_len; /* negative if lines gets smaller */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3049
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3050 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3051 * if new line fits in data block, replace directly
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3052 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3053 if ((int)dp->db_free >= extra)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3054 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3055 /* if the length changes and there are following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3056 count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3057 if (extra != 0 && idx < count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3058 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3059 /* move text of following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3060 mch_memmove((char *)dp + dp->db_txt_start - extra,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3061 (char *)dp + dp->db_txt_start,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3062 (size_t)(start - dp->db_txt_start));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3063
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3064 /* adjust pointers of this and following lines */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3065 for (i = idx + 1; i < count; ++i)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3066 dp->db_index[i] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3067 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3068 dp->db_index[idx] -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3069
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3070 /* adjust free space */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3071 dp->db_free -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3072 dp->db_txt_start -= extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3073
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3074 /* copy new line into the data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3075 mch_memmove(old_line - extra, new_line, (size_t)new_len);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3076 buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3077 #ifdef FEAT_BYTEOFF
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3078 /* The else case is already covered by the insert and delete */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3079 ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3080 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3081 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3082 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3083 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3084 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3085 * Cannot do it in one data block: Delete and append.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3086 * Append first, because ml_delete_int() cannot delete the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3087 * last line in a buffer, which causes trouble for a buffer
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3088 * that has only one line.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3089 * Don't forget to copy the mark!
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3090 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3091 /* How about handling errors??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3092 (void)ml_append_int(buf, lnum, new_line, new_len, FALSE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3093 (dp->db_index[idx] & DB_MARKED));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3094 (void)ml_delete_int(buf, lnum, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3095 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3096 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3097 vim_free(new_line);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3098 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3099
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3100 buf->b_ml.ml_line_lnum = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3101 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3102
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3103 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3104 * create a new, empty, data block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3105 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3106 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3107 ml_new_data(mfp, negative, page_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3108 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3109 int negative;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3110 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3111 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3112 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3113 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3114
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3115 if ((hp = mf_new(mfp, negative, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3116 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3117
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3118 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3119 dp->db_id = DATA_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3120 dp->db_txt_start = dp->db_txt_end = page_count * mfp->mf_page_size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3121 dp->db_free = dp->db_txt_start - HEADER_SIZE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3122 dp->db_line_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3123
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3124 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3125 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3126
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3127 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3128 * create a new, empty, pointer block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3129 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3130 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3131 ml_new_ptr(mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3132 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3133 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3134 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3135 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3136
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3137 if ((hp = mf_new(mfp, FALSE, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3138 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3139
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3140 pp = (PTR_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3141 pp->pb_id = PTR_ID;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3142 pp->pb_count = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3143 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
3144
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3145 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3146 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3147
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3148 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3149 * lookup line 'lnum' in a memline
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3150 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3151 * action: if ML_DELETE or ML_INSERT the line count is updated while searching
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3152 * if ML_FLUSH only flush a locked block
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3153 * if ML_FIND just find the line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3154 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3155 * If the block was found it is locked and put in ml_locked.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3156 * 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
3157 * the stack is updated to reflect the last line in the block AFTER the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3158 * insert or delete, also if the pointer block has not been updated yet. But
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3159 * if if ml_locked != NULL ml_locked_lineadd must be added to ip_high.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3160 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3161 * return: NULL for failure, pointer to block header otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3162 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3163 static bhdr_T *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3164 ml_find_line(buf, lnum, action)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3165 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3166 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3167 int action;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3168 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3169 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3170 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3171 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3172 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3173 memfile_T *mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3174 linenr_T t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3175 blocknr_T bnum, bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3176 int dirty;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3177 linenr_T low, high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3178 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3179 int page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3180 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3181
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3182 mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3183
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3184 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3185 * If there is a locked block check if the wanted line is in it.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3186 * If not, flush and release the locked block.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3187 * 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
3188 * 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
3189 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3190 if (buf->b_ml.ml_locked)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3191 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3192 if (ML_SIMPLE(action) && buf->b_ml.ml_locked_low <= lnum
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3193 && buf->b_ml.ml_locked_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3194 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3195 /* remember to update pointer blocks and stack later */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3196 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3197 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3198 ++(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3199 ++(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3200 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3201 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3202 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3203 --(buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3204 --(buf->b_ml.ml_locked_high);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3205 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3206 return (buf->b_ml.ml_locked);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3207 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3208
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3209 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
3210 buf->b_ml.ml_flags & ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3211 buf->b_ml.ml_locked = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3212
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3213 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3214 * if lines have been added or deleted in the locked block, need to
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3215 * update the line count in pointer blocks
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3216 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3217 if (buf->b_ml.ml_locked_lineadd)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3218 ml_lineadd(buf, buf->b_ml.ml_locked_lineadd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3219 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3220
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3221 if (action == ML_FLUSH) /* nothing else to do */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3222 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3223
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3224 bnum = 1; /* start at the root of the tree */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3225 page_count = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3226 low = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3227 high = buf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3228
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3229 if (action == ML_FIND) /* first try stack entries */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3230 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3231 for (top = buf->b_ml.ml_stack_top - 1; top >= 0; --top)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3232 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3233 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3234 if (ip->ip_low <= lnum && ip->ip_high >= lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3235 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3236 bnum = ip->ip_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3237 low = ip->ip_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3238 high = ip->ip_high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3239 buf->b_ml.ml_stack_top = top; /* truncate stack at prev entry */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3240 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3241 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3242 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3243 if (top < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3244 buf->b_ml.ml_stack_top = 0; /* not found, start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3245 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3246 else /* ML_DELETE or ML_INSERT */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3247 buf->b_ml.ml_stack_top = 0; /* start at the root */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3248
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3249 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3250 * search downwards in the tree until a data block is found
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3251 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3252 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3253 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3254 if ((hp = mf_get(mfp, bnum, page_count)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3255 goto error_noblock;
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 * update high for insert/delete
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3259 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3260 if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3261 ++high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3262 else if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3263 --high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3264
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3265 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3266 if (dp->db_id == DATA_ID) /* data block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3267 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3268 buf->b_ml.ml_locked = hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3269 buf->b_ml.ml_locked_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3270 buf->b_ml.ml_locked_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3271 buf->b_ml.ml_locked_lineadd = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3272 buf->b_ml.ml_flags &= ~(ML_LOCKED_DIRTY | ML_LOCKED_POS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3273 return hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3274 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3275
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3276 pp = (PTR_BL *)(dp); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3277 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3278 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3279 EMSG(_("E317: pointer block id wrong"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3280 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3281 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3282
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3283 if ((top = ml_add_stack(buf)) < 0) /* add new entry to stack */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3284 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3285 ip = &(buf->b_ml.ml_stack[top]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3286 ip->ip_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3287 ip->ip_low = low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3288 ip->ip_high = high;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3289 ip->ip_index = -1; /* index not known yet */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3290
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3291 dirty = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3292 for (idx = 0; idx < (int)pp->pb_count; ++idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3293 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3294 t = pp->pb_pointer[idx].pe_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3295 CHECK(t == 0, _("pe_line_count is zero"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3296 if ((low += t) > lnum)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3297 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3298 ip->ip_index = idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3299 bnum = pp->pb_pointer[idx].pe_bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3300 page_count = pp->pb_pointer[idx].pe_page_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3301 high = low - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3302 low -= t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3303
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3304 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3305 * a negative block number may have been changed
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3306 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3307 if (bnum < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3308 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3309 bnum2 = mf_trans_del(mfp, bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3310 if (bnum != bnum2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3311 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3312 bnum = bnum2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3313 pp->pb_pointer[idx].pe_bnum = bnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3314 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3315 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3316 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3317
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3318 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3319 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3320 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3321 if (idx >= (int)pp->pb_count) /* past the end: something wrong! */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3322 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3323 if (lnum > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3324 EMSGN(_("E322: line number out of range: %ld past the end"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3325 lnum - buf->b_ml.ml_line_count);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3326
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3327 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3328 EMSGN(_("E323: line count wrong in block %ld"), bnum);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3329 goto error_block;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3330 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3331 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3332 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3333 pp->pb_pointer[idx].pe_line_count--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3334 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3335 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3336 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3337 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3338 pp->pb_pointer[idx].pe_line_count++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3339 dirty = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3340 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3341 mf_put(mfp, hp, dirty, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3342 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3343
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3344 error_block:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3345 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3346 error_noblock:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3347 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3348 * 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
3349 * the incremented/decremented line counts, because there won't be a line
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3350 * inserted/deleted after all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3351 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3352 if (action == ML_DELETE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3353 ml_lineadd(buf, 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3354 else if (action == ML_INSERT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3355 ml_lineadd(buf, -1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3356 buf->b_ml.ml_stack_top = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3357 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3358 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3359
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3360 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3361 * add an entry to the info pointer stack
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3362 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3363 * return -1 for failure, number of the new entry otherwise
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3364 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3365 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3366 ml_add_stack(buf)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3367 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3368 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3369 int top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3370 infoptr_T *newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3371
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3372 top = buf->b_ml.ml_stack_top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3373
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3374 /* may have to increase the stack size */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3375 if (top == buf->b_ml.ml_stack_size)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3376 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3377 CHECK(top > 0, _("Stack size increases")); /* more than 5 levels??? */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3378
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3379 newstack = (infoptr_T *)alloc((unsigned)sizeof(infoptr_T) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3380 (buf->b_ml.ml_stack_size + STACK_INCR));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3381 if (newstack == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3382 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3383 mch_memmove(newstack, buf->b_ml.ml_stack, (size_t)top * sizeof(infoptr_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3384 vim_free(buf->b_ml.ml_stack);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3385 buf->b_ml.ml_stack = newstack;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3386 buf->b_ml.ml_stack_size += STACK_INCR;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3387 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3388
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3389 buf->b_ml.ml_stack_top++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3390 return top;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3391 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3392
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3393 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3394 * Update the pointer blocks on the stack for inserted/deleted lines.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3395 * The stack itself is also updated.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3396 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3397 * When a insert/delete line action fails, the line is not inserted/deleted,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3398 * but the pointer blocks have already been updated. That is fixed here by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3399 * walking through the stack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3400 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3401 * Count is the number of lines added, negative if lines have been deleted.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3402 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3403 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3404 ml_lineadd(buf, count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3405 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3406 int count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3407 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3408 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3409 infoptr_T *ip;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3410 PTR_BL *pp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3411 memfile_T *mfp = buf->b_ml.ml_mfp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3412 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3413
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3414 for (idx = buf->b_ml.ml_stack_top - 1; idx >= 0; --idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3415 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3416 ip = &(buf->b_ml.ml_stack[idx]);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3417 if ((hp = mf_get(mfp, ip->ip_bnum, 1)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3418 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3419 pp = (PTR_BL *)(hp->bh_data); /* must be pointer block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3420 if (pp->pb_id != PTR_ID)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3421 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3422 mf_put(mfp, hp, FALSE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3423 EMSG(_("E317: pointer block id wrong 2"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3424 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3425 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3426 pp->pb_pointer[ip->ip_index].pe_line_count += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3427 ip->ip_high += count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3428 mf_put(mfp, hp, TRUE, FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3429 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3430 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3431
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3432 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3433 static int resolve_symlink __ARGS((char_u *fname, char_u *buf));
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3434
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3435 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3436 * Resolve a symlink in the last component of a file name.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3437 * Note that f_resolve() does it for every part of the path, we don't do that
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3438 * here.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3439 * If it worked returns OK and the resolved link in "buf[MAXPATHL]".
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3440 * Otherwise returns FAIL.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3441 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3442 static int
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3443 resolve_symlink(fname, buf)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3444 char_u *fname;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3445 char_u *buf;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3446 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3447 char_u tmp[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3448 int ret;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3449 int depth = 0;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3450
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3451 if (fname == NULL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3452 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3453
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3454 /* Put the result so far in tmp[], starting with the original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3455 vim_strncpy(tmp, fname, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3456
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3457 for (;;)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3458 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3459 /* Limit symlink depth to 100, catch recursive loops. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3460 if (++depth == 100)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3461 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3462 EMSG2(_("E773: Symlink loop for \"%s\""), fname);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3463 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3464 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3465
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3466 ret = readlink((char *)tmp, (char *)buf, MAXPATHL - 1);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3467 if (ret <= 0)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3468 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3469 if (errno == EINVAL || errno == ENOENT)
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3470 {
619
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3471 /* Found non-symlink or not existing file, stop here.
66263e241ce3 updated for version 7.0176
vimboss
parents: 594
diff changeset
3472 * When at the first level use the unmodifed name, skip the
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3473 * call to vim_FullName(). */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3474 if (depth == 1)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3475 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3476
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3477 /* Use the resolved name in tmp[]. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3478 break;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3479 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3480
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3481 /* There must be some error reading links, use original name. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3482 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3483 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3484 buf[ret] = NUL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3485
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3486 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3487 * Check whether the symlink is relative or absolute.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3488 * If it's relative, build a new path based on the directory
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3489 * portion of the filename (if any) and the path the symlink
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3490 * points to.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3491 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3492 if (mch_isFullName(buf))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3493 STRCPY(tmp, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3494 else
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3495 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3496 char_u *tail;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3497
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3498 tail = gettail(tmp);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3499 if (STRLEN(tail) + STRLEN(buf) >= MAXPATHL)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3500 return FAIL;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3501 STRCPY(tail, buf);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3502 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3503 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3504
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3505 /*
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3506 * Try to resolve the full name of the file so that the swapfile name will
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3507 * be consistent even when opening a relative symlink from different
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3508 * working directories.
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3509 */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3510 return vim_FullName(tmp, buf, MAXPATHL, TRUE);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3511 }
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3512 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3513
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3514 /*
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3515 * Make swap file name out of the file name and a directory name.
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3516 * Returns pointer to allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3517 */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3518 /*ARGSUSED*/
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3519 char_u *
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3520 makeswapname(fname, ffname, buf, dir_name)
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3521 char_u *fname;
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3522 char_u *ffname;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3523 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3524 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3525 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3526 char_u *r, *s;
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3527 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3528 char_u fname_buf[MAXPATHL];
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3529 char_u *fname_res;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3530 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3531
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3532 #if defined(UNIX) || defined(WIN3264) /* Need _very_ long file names */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3533 s = dir_name + STRLEN(dir_name);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3534 if (after_pathsep(dir_name, s) && s[-1] == s[-2])
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3535 { /* Ends with '//', Use Full path */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3536 r = NULL;
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3537 if ((s = make_percent_swname(dir_name, fname)) != NULL)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3538 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3539 r = modname(s, (char_u *)".swp", FALSE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3540 vim_free(s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3541 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3542 return r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3543 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3544 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3545
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3546 #ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3547 /* Expand symlink in the file name, so that we put the swap file with the
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3548 * actual file instead of with the symlink. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3549 if (resolve_symlink(fname, fname_buf) == OK)
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3550 fname_res = fname_buf;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3551 else
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3552 fname_res = fname;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3553 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3554
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3555 r = buf_modname(
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3556 #ifdef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3557 TRUE,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3558 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3559 (buf->b_p_sn || buf->b_shortname),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3560 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3561 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3562 /* Avoid problems if fname has special chars, eg <Wimp$Scrap> */
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3563 ffname,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3564 #else
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3565 # ifdef HAVE_READLINK
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3566 fname_res,
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3567 # else
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3568 fname,
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3569 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3570 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3571 (char_u *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3572 #if defined(VMS) || defined(RISCOS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3573 "_swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3574 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3575 ".swp",
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3576 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3577 #ifdef SHORT_FNAME /* always 8.3 file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3578 FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3579 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3580 /* Prepend a '.' to the swap file name for the current directory. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3581 dir_name[0] == '.' && dir_name[1] == NUL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3582 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3583 );
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3584 if (r == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3585 return NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3586
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3587 s = get_file_in_dir(r, dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3588 vim_free(r);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3589 return s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3590 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3591
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3592 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3593 * Get file name to use for swap file or backup file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3594 * 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
3595 * option "dname".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3596 * - If "dname" is ".", return "fname" (swap file in dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3597 * - If "dname" starts with "./", insert "dname" in "fname" (swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3598 * relative to dir of file).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3599 * - Otherwise, prepend "dname" to the tail of "fname" (swap file in specific
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3600 * dir).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3601 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3602 * The return value is an allocated string and can be NULL.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3603 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3604 char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3605 get_file_in_dir(fname, dname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3606 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3607 char_u *dname; /* don't use "dirname", it is a global for Alpha */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3608 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3609 char_u *t;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3610 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3611 char_u *retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3612 int save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3613
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3614 tail = gettail(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3615
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3616 if (dname[0] == '.' && dname[1] == NUL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3617 retval = vim_strsave(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3618 else if (dname[0] == '.' && vim_ispathsep(dname[1]))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3619 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3620 if (tail == fname) /* no path before file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3621 retval = concat_fnames(dname + 2, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3622 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3623 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3624 save_char = *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3625 *tail = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3626 t = concat_fnames(fname, dname + 2, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3627 *tail = save_char;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3628 if (t == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3629 retval = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3630 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3631 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3632 retval = concat_fnames(t, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3633 vim_free(t);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3634 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3635 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3636 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3637 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3638 retval = concat_fnames(dname, tail, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3639
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3640 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3641 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3642
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3643 static void attention_message __ARGS((buf_T *buf, char_u *fname));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3644
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3645 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3646 * Print the ATTENTION message: info about an existing swap file.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3647 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3648 static void
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3649 attention_message(buf, fname)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3650 buf_T *buf; /* buffer being edited */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3651 char_u *fname; /* swap file name */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3652 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3653 struct stat st;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3654 time_t x, sx;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3655
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3656 ++no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3657 (void)EMSG(_("E325: ATTENTION"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3658 MSG_PUTS(_("\nFound a swap file by the name \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3659 msg_home_replace(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3660 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3661 sx = swapfile_info(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3662 MSG_PUTS(_("While opening file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3663 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3664 MSG_PUTS("\"\n");
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3665 if (mch_stat((char *)buf->b_fname, &st) != -1)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3666 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3667 MSG_PUTS(_(" dated: "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3668 x = st.st_mtime; /* Manx C can't do &st.st_mtime */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3669 MSG_PUTS(ctime(&x));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3670 if (sx != 0 && x > sx)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3671 MSG_PUTS(_(" NEWER than swap file!\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3672 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3673 /* Some of these messages are long to allow translation to
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3674 * other languages. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3675 MSG_PUTS(_("\n(1) Another program may be editing the same file.\n If this is the case, be careful not to end up with two\n different instances of the same file when making changes.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3676 MSG_PUTS(_(" Quit, or continue with caution.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3677 MSG_PUTS(_("\n(2) An edit session for this file crashed.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3678 MSG_PUTS(_(" If this is the case, use \":recover\" or \"vim -r "));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3679 msg_outtrans(buf->b_fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3680 MSG_PUTS(_("\"\n to recover the changes (see \":help recovery\").\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3681 MSG_PUTS(_(" If you did this already, delete the swap file \""));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3682 msg_outtrans(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3683 MSG_PUTS(_("\"\n to avoid this message.\n"));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3684 cmdline_row = msg_row;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3685 --no_wait_return;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3686 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3687
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3688 #ifdef FEAT_AUTOCMD
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3689 static int do_swapexists __ARGS((buf_T *buf, char_u *fname));
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3690
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3691 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3692 * Trigger the SwapExists autocommands.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3693 * Returns a value for equivalent to do_dialog() (see below):
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3694 * 0: still need to ask for a choice
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3695 * 1: open read-only
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3696 * 2: edit anyway
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3697 * 3: recover
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3698 * 4: delete it
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3699 * 5: quit
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3700 * 6: abort
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3701 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3702 static int
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3703 do_swapexists(buf, fname)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3704 buf_T *buf;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3705 char_u *fname;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3706 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3707 set_vim_var_string(VV_SWAPNAME, fname, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3708 set_vim_var_string(VV_SWAPCHOICE, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3709
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3710 /* Trigger SwapExists autocommands with <afile> set to the file being
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3711 * edited. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3712 apply_autocmds(EVENT_SWAPEXISTS, buf->b_fname, NULL, FALSE, NULL);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3713
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3714 set_vim_var_string(VV_SWAPNAME, NULL, -1);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3715
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3716 switch (*get_vim_var_str(VV_SWAPCHOICE))
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3717 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3718 case 'o': return 1;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3719 case 'e': return 2;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3720 case 'r': return 3;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3721 case 'd': return 4;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3722 case 'q': return 5;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3723 case 'a': return 6;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3724 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3725
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3726 return 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3727 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3728 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
3729
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3730 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3731 * Find out what name to use for the swap file for buffer 'buf'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3732 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3733 * Several names are tried to find one that does not exist
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3734 * Returns the name in allocated memory or NULL.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3735 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3736 * Note: If BASENAMELEN is not correct, you will get error messages for
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3737 * not being able to open the swapfile
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3738 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3739 static char_u *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3740 findswapname(buf, dirp, old_fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3741 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3742 char_u **dirp; /* pointer to list of directories */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3743 char_u *old_fname; /* don't give warning for this file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3744 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3745 char_u *fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3746 int n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3747 char_u *dir_name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3748 #ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3749 BPTR fh;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3750 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3751 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3752 int r;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3753 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3754
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3755 #if !defined(SHORT_FNAME) \
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3756 && ((!defined(UNIX) && !defined(OS2)) || defined(ARCHIE))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3757 # define CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3758 FILE *dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3759
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3760 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3761 * 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
3762 * compatible filesystem, it is possible that the file "test.doc.swp" which we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3763 * create will be exactly the same file. To avoid this problem we temporarily
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3764 * create "test.doc".
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3765 * 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
3766 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3767 if (!(buf->b_p_sn || buf->b_shortname) && buf->b_fname != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3768 && mch_getperm(buf->b_fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3769 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3770 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3771
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3772 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3773 * Isolate a directory name from *dirp and put it in dir_name.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3774 * First allocate some memory to put the directory name in.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3775 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3776 dir_name = alloc((unsigned)STRLEN(*dirp) + 1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3777 if (dir_name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3778 (void)copy_option_part(dirp, dir_name, 31000, ",");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3779
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3780 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3781 * we try different names until we find one that does not exist yet
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3782 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3783 if (dir_name == NULL) /* out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3784 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3785 else
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3786 fname = makeswapname(buf->b_fname, buf->b_ffname, buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3787
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3788 for (;;)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3789 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3790 if (fname == NULL) /* must be out of memory */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3791 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3792 if ((n = (int)STRLEN(fname)) == 0) /* safety check */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3793 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3794 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3795 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3796 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3797 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3798 #if (defined(UNIX) || defined(OS2)) && !defined(ARCHIE) && !defined(SHORT_FNAME)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3799 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3800 * Some systems have a MS-DOS compatible filesystem that use 8.3 character
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3801 * 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
3802 * 8.3, detect if this is the case, set shortname and try again.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3803 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3804 if (fname[n - 2] == 'w' && fname[n - 1] == 'p'
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3805 && !(buf->b_p_sn || buf->b_shortname))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3806 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3807 char_u *tail;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3808 char_u *fname2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3809 struct stat s1, s2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3810 int f1, f2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3811 int created1 = FALSE, created2 = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3812 int same = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3813
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3814 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3815 * Check if swapfile name does not fit in 8.3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3816 * It either contains two dots, is longer than 8 chars, or starts
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3817 * with a dot.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3818 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3819 tail = gettail(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3820 if ( vim_strchr(tail, '.') != NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3821 || STRLEN(tail) > (size_t)8
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3822 || *gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3823 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3824 fname2 = alloc(n + 2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3825 if (fname2 != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3826 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3827 STRCPY(fname2, fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3828 /* if fname == "xx.xx.swp", fname2 = "xx.xx.swx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3829 * if fname == ".xx.swp", fname2 = ".xx.swpx"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3830 * if fname == "123456789.swp", fname2 = "12345678x.swp"
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3831 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3832 if (vim_strchr(tail, '.') != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3833 fname2[n - 1] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3834 else if (*gettail(fname) == '.')
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3835 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3836 fname2[n] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3837 fname2[n + 1] = NUL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3838 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3839 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3840 fname2[n - 5] += 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3841 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3842 * may need to create the files to be able to use mch_stat()
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3843 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3844 f1 = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3845 if (f1 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3846 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3847 f1 = mch_open_rw((char *)fname,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3848 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3849 #if defined(OS2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3850 if (f1 < 0 && errno == ENOENT)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3851 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3852 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3853 created1 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3854 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3855 if (f1 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3856 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3857 f2 = mch_open((char *)fname2, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3858 if (f2 < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3859 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3860 f2 = mch_open_rw((char *)fname2,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3861 O_RDWR|O_CREAT|O_EXCL|O_EXTRA);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3862 created2 = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3863 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3864 if (f2 >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3865 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3866 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3867 * Both files exist now. If mch_stat() returns the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3868 * same device and inode they are the same file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3869 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3870 if (mch_fstat(f1, &s1) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3871 && mch_fstat(f2, &s2) != -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3872 && s1.st_dev == s2.st_dev
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3873 && s1.st_ino == s2.st_ino)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3874 same = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3875 close(f2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3876 if (created2)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3877 mch_remove(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3878 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3879 close(f1);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3880 if (created1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3881 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3882 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3883 vim_free(fname2);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3884 if (same)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3885 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3886 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3887 vim_free(fname);
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3888 fname = makeswapname(buf->b_fname, buf->b_ffname,
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3889 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3890 continue; /* try again with b_shortname set */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3891 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3892 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3893 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3894 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3895 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3896 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3897 * check if the swapfile already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3898 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3899 if (mch_getperm(fname) < 0) /* it does not exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3900 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3901 #ifdef HAVE_LSTAT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3902 struct stat sb;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3903
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3904 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3905 * Extra security check: When a swap file is a symbolic link, this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3906 * is most likely a symlink attack.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3907 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3908 if (mch_lstat((char *)fname, &sb) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3909 #else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3910 # ifdef AMIGA
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3911 fh = Open((UBYTE *)fname, (long)MODE_NEWFILE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3912 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3913 * on the Amiga mch_getperm() will return -1 when the file exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3914 * but is being used by another program. This happens if you edit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3915 * a file twice.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3916 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3917 if (fh != (BPTR)NULL) /* can open file, OK */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3918 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3919 Close(fh);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3920 mch_remove(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3921 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3922 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3923 if (IoErr() != ERROR_OBJECT_IN_USE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3924 && IoErr() != ERROR_OBJECT_EXISTS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3925 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3926 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3927 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3928 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3929
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3930 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3931 * A file name equal to old_fname is OK to use.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3932 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3933 if (old_fname != NULL && fnamecmp(fname, old_fname) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3934 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3935
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3936 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3937 * get here when file already exists
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3938 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3939 if (fname[n - 2] == 'w' && fname[n - 1] == 'p') /* first try */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3940 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3941 #ifndef SHORT_FNAME
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3942 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3943 * on MS-DOS compatible filesystems (e.g. messydos) file.doc.swp
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3944 * and file.doc are the same file. To guess if this problem is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3945 * present try if file.doc.swx exists. If it does, we set
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3946 * buf->b_shortname and try file_doc.swp (dots replaced by
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3947 * underscores for this file), and try again. If it doesn't we
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3948 * assume that "file.doc.swp" already exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3949 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3950 if (!(buf->b_p_sn || buf->b_shortname)) /* not tried yet */
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] = 'x';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3953 r = mch_getperm(fname); /* try "file.swx" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3954 fname[n - 1] = 'p';
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3955 if (r >= 0) /* "file.swx" seems to exist */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3956 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3957 buf->b_shortname = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3958 vim_free(fname);
460
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3959 fname = makeswapname(buf->b_fname, buf->b_ffname,
7f2d3b3c15a2 updated for version 7.0122
vimboss
parents: 419
diff changeset
3960 buf, dir_name);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3961 continue; /* try again with '.' replaced with '_' */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3962 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3963 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3964 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3965 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3966 * If we get here the ".swp" file really exists.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3967 * Give an error message, unless recovering, no file name, we are
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3968 * viewing a help file or when the path of the file is different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3969 * (happens when all .swp files are in one directory).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3970 */
43
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
3971 if (!recoverymode && buf->b_fname != NULL
f55897d6921d updated for version 7.0026
vimboss
parents: 39
diff changeset
3972 && !buf->b_help && !(buf->b_flags & BF_DUMMY))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3973 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3974 int fd;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3975 struct block0 b0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3976 int differ = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3977
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3978 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3979 * Try to read block 0 from the swap file to get the original
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3980 * file name (and inode number).
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3981 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3982 fd = mch_open((char *)fname, O_RDONLY | O_EXTRA, 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3983 if (fd >= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3984 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3985 if (read(fd, (char *)&b0, sizeof(b0)) == sizeof(b0))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3986 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3987 /*
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3988 * If the swapfile has the same directory as the
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3989 * buffer don't compare the directory names, they can
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3990 * have a different mountpoint.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
3991 */
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3992 if (b0.b0_flags & B0_SAME_DIR)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3993 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3994 if (fnamecmp(gettail(buf->b_ffname),
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3995 gettail(b0.b0_fname)) != 0
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
3996 || !same_directory(fname, buf->b_ffname))
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3997 {
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3998 #ifdef CHECK_INODE
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
3999 /* Symlinks may point to the same file even
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4000 * when the name differs, need to check the
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4001 * inode too. */
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4002 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4003 if (fnamecmp_ino(buf->b_ffname, NameBuff,
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4004 char_to_long(b0.b0_ino)))
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4005 #endif
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4006 differ = TRUE;
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4007 }
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4008 }
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4009 else
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4010 {
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4011 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4012 * The name in the swap file may be
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4013 * "~user/path/file". Expand it first.
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4014 */
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4015 expand_env(b0.b0_fname, NameBuff, MAXPATHL);
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4016 #ifdef CHECK_INODE
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4017 if (fnamecmp_ino(buf->b_ffname, NameBuff,
594
35cef95a6b76 updated for version 7.0168
vimboss
parents: 580
diff changeset
4018 char_to_long(b0.b0_ino)))
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4019 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4020 #else
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4021 if (fnamecmp(NameBuff, buf->b_ffname) != 0)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4022 differ = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4023 #endif
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4024 }
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4025 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4026 close(fd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4027 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4028 #ifdef RISCOS
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4029 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4030 /* Can't open swap file, though it does exist.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4031 * Assume that the user is editing two files with
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4032 * the same name in different directories. No error.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4033 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4034 differ = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4035 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4036
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4037 /* give the ATTENTION message when there is an old swap file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4038 * for the current file, and the buffer was not recovered. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4039 if (differ == FALSE && !(curbuf->b_flags & BF_RECOVERED)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4040 && vim_strchr(p_shm, SHM_ATTENTION) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4041 {
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4042 #if defined(HAS_SWAP_EXISTS_ACTION)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4043 int choice = 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4044 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4045 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4046 int did_use_dummy = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4047
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4048 /* Avoid getting a warning for the file being created
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4049 * outside of Vim, it was created at the start of this
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4050 * function. Delete the file now, because Vim might exit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4051 * here if the window is closed. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4052 if (dummyfd != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4053 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4054 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4055 dummyfd = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4056 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4057 did_use_dummy = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4058 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4059 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4060
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4061 #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
4062 process_still_running = FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4063 #endif
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4064 #ifdef FEAT_AUTOCMD
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4065 /*
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4066 * If there is an SwapExists autocommand and we can handle
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4067 * the response, trigger it. It may return 0 to ask the
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4068 * user anyway.
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4069 */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4070 if (swap_exists_action != SEA_NONE
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4071 && has_autocmd(EVENT_SWAPEXISTS, buf->b_fname, buf))
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4072 choice = do_swapexists(buf, fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4073
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4074 if (choice == 0)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4075 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4076 {
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4077 #ifdef FEAT_GUI
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4078 /* If we are supposed to start the GUI but it wasn't
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4079 * completely started yet, start it now. This makes
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4080 * the messages displayed in the Vim window when
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4081 * loading a session from the .gvimrc file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4082 if (gui.starting && !gui.in_use)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4083 gui_start();
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4084 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4085 /* Show info about the existing swap file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4086 attention_message(buf, fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4087
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4088 /* We don't want a 'q' typed at the more-prompt
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4089 * interrupt loading a file. */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4090 got_int = FALSE;
7
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 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4094 if (swap_exists_action != SEA_NONE && choice == 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4095 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4096 char_u *name;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4097
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4098 name = alloc((unsigned)(STRLEN(fname)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4099 + STRLEN(_("Swap file \""))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4100 + STRLEN(_("\" already exists!")) + 5));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4101 if (name != NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4102 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4103 STRCPY(name, _("Swap file \""));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4104 home_replace(NULL, fname, name + STRLEN(name),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4105 1000, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4106 STRCAT(name, _("\" already exists!"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4107 }
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4108 choice = do_dialog(VIM_WARNING,
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4109 (char_u *)_("VIM - ATTENTION"),
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4110 name == NULL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4111 ? (char_u *)_("Swap file already exists!")
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4112 : name,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4113 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4114 process_still_running
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4115 ? (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Quit\n&Abort") :
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4116 # endif
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4117 (char_u *)_("&Open Read-Only\n&Edit anyway\n&Recover\n&Delete it\n&Quit\n&Abort"), 1, NULL);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4118
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4119 # if defined(UNIX) || defined(__EMX__) || defined(VMS)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4120 if (process_still_running && choice >= 4)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4121 choice++; /* Skip missing "Delete it" button */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4122 # endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4123 vim_free(name);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4124
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4125 /* pretend screen didn't scroll, need redraw anyway */
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4126 msg_scrolled = 0;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4127 redraw_all_later(NOT_VALID);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4128 }
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4129 #endif
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4130
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4131 #if defined(HAS_SWAP_EXISTS_ACTION)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4132 if (choice > 0)
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4133 {
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4134 switch (choice)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4135 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4136 case 1:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4137 buf->b_p_ro = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4138 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4139 case 2:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4140 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4141 case 3:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4142 swap_exists_action = SEA_RECOVER;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4143 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4144 case 4:
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4145 mch_remove(fname);
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4146 break;
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4147 case 5:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4148 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4149 break;
580
90ee46d7f492 updated for version 7.0164
vimboss
parents: 572
diff changeset
4150 case 6:
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4151 swap_exists_action = SEA_QUIT;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4152 got_int = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4153 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4154 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4155
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4156 /* If the file was deleted this fname can be used. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4157 if (mch_getperm(fname) < 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4158 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4159 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4160 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4161 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4162 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4163 MSG_PUTS("\n");
625
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4164 if (msg_silent == 0)
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4165 /* call wait_return() later */
81fe2ccc1207 updated for version 7.0179
vimboss
parents: 619
diff changeset
4166 need_wait_return = TRUE;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4167 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4168
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4169 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4170 /* Going to try another name, need the dummy file again. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4171 if (did_use_dummy)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4172 dummyfd = mch_fopen((char *)buf->b_fname, "w");
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4173 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4174 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4175 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4176 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4177
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4178 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4179 * Change the ".swp" extension to find another file that can be used.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4180 * First decrement the last char: ".swo", ".swn", etc.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4181 * 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
4182 * Can happen when editing many "No Name" buffers.
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4183 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4184 if (fname[n - 1] == 'a') /* ".s?a" */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4185 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4186 if (fname[n - 2] == 'a') /* ".saa": tried enough, give up */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4187 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4188 EMSG(_("E326: Too many swap files found"));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4189 vim_free(fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4190 fname = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4191 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4192 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4193 --fname[n - 2]; /* ".svz", ".suz", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4194 fname[n - 1] = 'z' + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4195 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4196 --fname[n - 1]; /* ".swo", ".swn", etc. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4197 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4198
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4199 vim_free(dir_name);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4200 #ifdef CREATE_DUMMY_FILE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4201 if (dummyfd != NULL) /* file has been created temporarily */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4202 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4203 fclose(dummyfd);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4204 mch_remove(buf->b_fname);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4205 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4206 #endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4207 return fname;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4208 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4209
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4210 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4211 b0_magic_wrong(b0p)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4212 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4213 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4214 return (b0p->b0_magic_long != (long)B0_MAGIC_LONG
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4215 || b0p->b0_magic_int != (int)B0_MAGIC_INT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4216 || b0p->b0_magic_short != (short)B0_MAGIC_SHORT
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4217 || b0p->b0_magic_char != B0_MAGIC_CHAR);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4218 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4219
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4220 #ifdef CHECK_INODE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4221 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4222 * Compare current file name with file name from swap file.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4223 * Try to use inode numbers when possible.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4224 * Return non-zero when files are different.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4225 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4226 * When comparing file names a few things have to be taken into consideration:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4227 * - 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
4228 * We check the inode number if possible. It is not 100% reliable though,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4229 * because the device number cannot be used over a network.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4230 * - 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
4231 * number.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4232 * - 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
4233 * "~user" form is used whenever possible to avoid this.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4234 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4235 * This is getting complicated, let's make a table:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4236 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4237 * ino_c ino_s fname_c fname_s differ =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4238 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4239 * both files exist -> compare inode numbers:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4240 * != 0 != 0 X X ino_c != ino_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4241 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4242 * inode number(s) unknown, file names available -> compare file names
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4243 * == 0 X OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4244 * X == 0 OK OK fname_c != fname_s
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4245 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4246 * current file doesn't exist, file for swap file exist, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4247 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4248 * == 0 != 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4249 * == 0 != 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4250 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4251 * current file exists, inode for swap unknown, file name(s) not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4252 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4253 * != 0 == 0 FAIL X TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4254 * != 0 == 0 X FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4255 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4256 * current file doesn't exist, inode for swap unknown, one file name not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4257 * available -> probably different
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4258 * == 0 == 0 FAIL OK TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4259 * == 0 == 0 OK FAIL TRUE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4260 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4261 * current file doesn't exist, inode for swap unknown, both file names not
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4262 * available -> probably same file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4263 * == 0 == 0 FAIL FAIL FALSE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4264 *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4265 * 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
4266 * can't be changed without making the block 0 incompatible with 32 bit
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4267 * versions.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4268 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4269
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4270 static int
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4271 fnamecmp_ino(fname_c, fname_s, ino_block0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4272 char_u *fname_c; /* current file name */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4273 char_u *fname_s; /* file name from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4274 long ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4275 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4276 struct stat st;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4277 ino_t ino_c = 0; /* ino of current file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4278 ino_t ino_s; /* ino of file from swap file */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4279 char_u buf_c[MAXPATHL]; /* full path of fname_c */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4280 char_u buf_s[MAXPATHL]; /* full path of fname_s */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4281 int retval_c; /* flag: buf_c valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4282 int retval_s; /* flag: buf_s valid */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4283
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4284 if (mch_stat((char *)fname_c, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4285 ino_c = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4286
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4287 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4288 * 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
4289 * 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
4290 * valid on this machine), use the inode from block 0.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4291 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4292 if (mch_stat((char *)fname_s, &st) == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4293 ino_s = (ino_t)st.st_ino;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4294 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4295 ino_s = (ino_t)ino_block0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4296
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4297 if (ino_c && ino_s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4298 return (ino_c != ino_s);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4299
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4300 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4301 * One of the inode numbers is unknown, try a forced vim_FullName() and
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4302 * compare the file names.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4303 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4304 retval_c = vim_FullName(fname_c, buf_c, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4305 retval_s = vim_FullName(fname_s, buf_s, MAXPATHL, TRUE);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4306 if (retval_c == OK && retval_s == OK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4307 return (STRCMP(buf_c, buf_s) != 0);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4308
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4309 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4310 * Can't compare inodes or file names, guess that the files are different,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4311 * unless both appear not to exist at all.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4312 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4313 if (ino_s == 0 && ino_c == 0 && retval_c == FAIL && retval_s == FAIL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4314 return FALSE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4315 return TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4316 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4317 #endif /* CHECK_INODE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4318
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4319 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4320 * Move a long integer into a four byte character array.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4321 * Used for machine independency in block zero.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4322 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4323 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4324 long_to_char(n, s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4325 long n;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4326 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4327 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4328 s[0] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4329 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4330 s[1] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4331 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4332 s[2] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4333 n = (unsigned)n >> 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4334 s[3] = (char_u)(n & 0xff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4335 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4336
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4337 static long
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4338 char_to_long(s)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4339 char_u *s;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4340 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4341 long retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4342
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4343 retval = s[3];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4344 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4345 retval |= s[2];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4346 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4347 retval |= s[1];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4348 retval <<= 8;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4349 retval |= s[0];
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4350
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4351 return retval;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4352 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4353
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4354 /*
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4355 * Set the flags in the first block of the swap file:
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4356 * - file is modified or not: buf->b_changed
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4357 * - 'fileformat'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4358 * - 'fileencoding'
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4359 */
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4360 void
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4361 ml_setflags(buf)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4362 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4363 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4364 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4365 ZERO_BL *b0p;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4366
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4367 if (!buf->b_ml.ml_mfp)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4368 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4369 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
4370 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4371 if (hp->bh_bnum == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4372 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4373 b0p = (ZERO_BL *)(hp->bh_data);
39
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4374 b0p->b0_dirty = buf->b_changed ? B0_DIRTY : 0;
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4375 b0p->b0_flags = (b0p->b0_flags & ~B0_FF_MASK)
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4376 | (get_fileformat(buf) + 1);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4377 #ifdef FEAT_MBYTE
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4378 add_b0_fenc(b0p, buf);
410fa1a31baf updated for version 7.0023
vimboss
parents: 34
diff changeset
4379 #endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4380 hp->bh_flags |= BH_DIRTY;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4381 mf_sync(buf->b_ml.ml_mfp, MFS_ZERO);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4382 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4383 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4384 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4385 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4386
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4387 #if defined(FEAT_BYTEOFF) || defined(PROTO)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4388
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4389 #define MLCS_MAXL 800 /* max no of lines in chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4390 #define MLCS_MINL 400 /* should be half of MLCS_MAXL */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4391
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4392 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4393 * Keep information for finding byte offset of a line, updtytpe may be one of:
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4394 * ML_CHNK_ADDLINE: Add len to parent chunk, possibly splitting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4395 * Careful: ML_CHNK_ADDLINE may cause ml_find_line() to be called.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4396 * ML_CHNK_DELLINE: Subtract len from parent chunk, possibly deleting it
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4397 * ML_CHNK_UPDLINE: Add len to parent chunk, as a signed entity.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4398 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4399 static void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4400 ml_updatechunk(buf, line, len, updtype)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4401 buf_T *buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4402 linenr_T line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4403 long len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4404 int updtype;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4405 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4406 static buf_T *ml_upd_lastbuf = NULL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4407 static linenr_T ml_upd_lastline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4408 static linenr_T ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4409 static int ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4410
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4411 linenr_T curline = ml_upd_lastcurline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4412 int curix = ml_upd_lastcurix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4413 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4414 chunksize_T *curchnk;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4415 int rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4416 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4417 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4418
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4419 if (buf->b_ml.ml_usedchunks == -1 || len == 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4420 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4421 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4422 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4423 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4424 alloc((unsigned)sizeof(chunksize_T) * 100);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4425 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4426 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4427 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4428 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4429 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4430 buf->b_ml.ml_numchunks = 100;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4431 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4432 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4433 buf->b_ml.ml_chunksize[0].mlcs_totalsize = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4434 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4435
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4436 if (updtype == ML_CHNK_UPDLINE && buf->b_ml.ml_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4437 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4438 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4439 * First line in empty buffer from ml_flush_line() -- reset
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4440 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4441 buf->b_ml.ml_usedchunks = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4442 buf->b_ml.ml_chunksize[0].mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4443 buf->b_ml.ml_chunksize[0].mlcs_totalsize =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4444 (long)STRLEN(buf->b_ml.ml_line_ptr) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4445 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4446 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4447
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4448 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4449 * Find chunk that our line belongs to, curline will be at start of the
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4450 * chunk.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4451 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4452 if (buf != ml_upd_lastbuf || line != ml_upd_lastline + 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4453 || updtype != ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4454 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4455 for (curline = 1, curix = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4456 curix < buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4457 && line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4458 curix++)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4459 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4460 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4461 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4462 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4463 else if (line >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4464 && curix < buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4465 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4466 /* Adjust cached curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4467 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4468 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4469 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4470 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4471
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4472 if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4473 len *= -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4474 curchnk->mlcs_totalsize += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4475 if (updtype == ML_CHNK_ADDLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4476 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4477 curchnk->mlcs_numlines++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4478
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4479 /* 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
4480 if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4481 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4482 buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4483 buf->b_ml.ml_chunksize = (chunksize_T *)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4484 vim_realloc(buf->b_ml.ml_chunksize,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4485 sizeof(chunksize_T) * buf->b_ml.ml_numchunks);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4486 if (buf->b_ml.ml_chunksize == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4487 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4488 /* Hmmmm, Give up on offset for this buffer */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4489 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4490 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4491 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4492 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4493
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4494 if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MAXL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4495 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4496 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4497 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4498 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4499 int linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4500
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4501 mch_memmove(buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4502 buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4503 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4504 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4505 /* Compute length of first half of lines in the splitted chunk */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4506 size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4507 linecnt = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4508 while (curline < buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4509 && linecnt < MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4510 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4511 if ((hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4512 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4513 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4514 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4515 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4516 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4517 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4518 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4519 idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4520 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4521 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4522 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4523 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4524 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4525 /* Compute index of last line to use in this MEMLINE */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4526 rest = count - idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4527 if (linecnt + rest > MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4528 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4529 idx += MLCS_MINL - linecnt - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4530 linecnt = MLCS_MINL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4531 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4532 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4533 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4534 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4535 linecnt += rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4536 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4537 size += text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4538 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4539 buf->b_ml.ml_chunksize[curix].mlcs_numlines = linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4540 buf->b_ml.ml_chunksize[curix + 1].mlcs_numlines -= linecnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4541 buf->b_ml.ml_chunksize[curix].mlcs_totalsize = size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4542 buf->b_ml.ml_chunksize[curix + 1].mlcs_totalsize -= size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4543 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4544 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4545 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4546 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4547 else if (buf->b_ml.ml_chunksize[curix].mlcs_numlines >= MLCS_MINL
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4548 && curix == buf->b_ml.ml_usedchunks - 1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4549 && buf->b_ml.ml_line_count - line <= 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4550 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4551 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4552 * 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
4553 * after this. Do it now to avoid the loop above later on
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4554 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4555 curchnk = buf->b_ml.ml_chunksize + curix + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4556 buf->b_ml.ml_usedchunks++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4557 if (line == buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4558 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4559 curchnk->mlcs_numlines = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4560 curchnk->mlcs_totalsize = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4561 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4562 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4563 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4564 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4565 * Line is just prior to last, move count for last
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4566 * This is the common case when loading a new file
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4567 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4568 hp = ml_find_line(buf, buf->b_ml.ml_line_count, ML_FIND);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4569 if (hp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4570 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4571 buf->b_ml.ml_usedchunks = -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4572 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4573 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4574 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4575 if (dp->db_line_count == 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4576 rest = dp->db_txt_end - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4577 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4578 rest =
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4579 ((dp->db_index[dp->db_line_count - 2]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4580 - dp->db_txt_start;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4581 curchnk->mlcs_totalsize = rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4582 curchnk->mlcs_numlines = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4583 curchnk[-1].mlcs_totalsize -= rest;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4584 curchnk[-1].mlcs_numlines -= 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4585 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4586 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4587 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4588 else if (updtype == ML_CHNK_DELLINE)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4589 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4590 curchnk->mlcs_numlines--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4591 ml_upd_lastbuf = NULL; /* Force recalc of curix & curline */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4592 if (curix < (buf->b_ml.ml_usedchunks - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4593 && (curchnk->mlcs_numlines + curchnk[1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4594 <= MLCS_MINL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4595 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4596 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4597 curchnk = buf->b_ml.ml_chunksize + curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4598 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4599 else if (curix == 0 && curchnk->mlcs_numlines <= 0)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4600 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4601 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4602 mch_memmove(buf->b_ml.ml_chunksize, buf->b_ml.ml_chunksize + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4603 buf->b_ml.ml_usedchunks * sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4604 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4605 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4606 else if (curix == 0 || (curchnk->mlcs_numlines > 10
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4607 && (curchnk->mlcs_numlines + curchnk[-1].mlcs_numlines)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4608 > MLCS_MINL))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4609 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4610 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4611 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4612
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4613 /* Collapse chunks */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4614 curchnk[-1].mlcs_numlines += curchnk->mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4615 curchnk[-1].mlcs_totalsize += curchnk->mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4616 buf->b_ml.ml_usedchunks--;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4617 if (curix < buf->b_ml.ml_usedchunks)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4618 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4619 mch_memmove(buf->b_ml.ml_chunksize + curix,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4620 buf->b_ml.ml_chunksize + curix + 1,
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4621 (buf->b_ml.ml_usedchunks - curix) *
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4622 sizeof(chunksize_T));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4623 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4624 return;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4625 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4626 ml_upd_lastbuf = buf;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4627 ml_upd_lastline = line;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4628 ml_upd_lastcurline = curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4629 ml_upd_lastcurix = curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4630 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4631
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4632 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4633 * Find offset for line or line with offset.
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4634 * Find line with offset if "lnum" is 0; return remaining offset in offp
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4635 * Find offset of line if "lnum" > 0
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4636 * return -1 if information is not available
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4637 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4638 long
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4639 ml_find_line_or_offset(buf, lnum, offp)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4640 buf_T *buf;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4641 linenr_T lnum;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4642 long *offp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4643 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4644 linenr_T curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4645 int curix;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4646 long size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4647 bhdr_T *hp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4648 DATA_BL *dp;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4649 int count; /* number of entries in block */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4650 int idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4651 int start_idx;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4652 int text_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4653 long offset;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4654 int len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4655 int ffdos = (get_fileformat(buf) == EOL_DOS);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4656 int extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4657
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4658 /* take care of cached line first */
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4659 ml_flush_line(curbuf);
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4660
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4661 if (buf->b_ml.ml_usedchunks == -1
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4662 || buf->b_ml.ml_chunksize == NULL
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4663 || lnum < 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4664 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4665
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4666 if (offp == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4667 offset = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4668 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4669 offset = *offp;
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4670 if (lnum == 0 && offset <= 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4671 return 1; /* Not a "find offset" and offset 0 _must_ be in line 1 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4672 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4673 * Find the last chunk before the one containing our line. Last chunk is
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4674 * special because it will never qualify
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4675 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4676 curline = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4677 curix = size = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4678 while (curix < buf->b_ml.ml_usedchunks - 1
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4679 && ((lnum != 0
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4680 && lnum >= curline + buf->b_ml.ml_chunksize[curix].mlcs_numlines)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4681 || (offset != 0
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4682 && offset > size + buf->b_ml.ml_chunksize[curix].mlcs_totalsize
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4683 + ffdos * buf->b_ml.ml_chunksize[curix].mlcs_numlines)))
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4684 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4685 curline += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4686 size += buf->b_ml.ml_chunksize[curix].mlcs_totalsize;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4687 if (offset && ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4688 size += buf->b_ml.ml_chunksize[curix].mlcs_numlines;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4689 curix++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4690 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4691
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4692 while ((lnum != 0 && curline < lnum) || (offset != 0 && size < offset))
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4693 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4694 if (curline > buf->b_ml.ml_line_count
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4695 || (hp = ml_find_line(buf, curline, ML_FIND)) == NULL)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4696 return -1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4697 dp = (DATA_BL *)(hp->bh_data);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4698 count = (long)(buf->b_ml.ml_locked_high) -
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4699 (long)(buf->b_ml.ml_locked_low) + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4700 start_idx = idx = curline - buf->b_ml.ml_locked_low;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4701 if (idx == 0)/* first line in block, text at the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4702 text_end = dp->db_txt_end;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4703 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4704 text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4705 /* Compute index of last line to use in this MEMLINE */
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4706 if (lnum != 0)
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4707 {
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4708 if (curline + (count - idx) >= lnum)
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4709 idx += lnum - curline - 1;
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4710 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4711 idx = count - 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4712 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4713 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4714 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4715 extra = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4716 while (offset >= size
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4717 + text_end - (int)((dp->db_index[idx]) & DB_INDEX_MASK)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4718 + ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4719 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4720 if (ffdos)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4721 size++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4722 if (idx == count - 1)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4723 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4724 extra = 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4725 break;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4726 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4727 idx++;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4728 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4729 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4730 len = text_end - ((dp->db_index[idx]) & DB_INDEX_MASK);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4731 size += len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4732 if (offset != 0 && size >= offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4733 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4734 if (size + ffdos == offset)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4735 *offp = 0;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4736 else if (idx == start_idx)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4737 *offp = offset - size + len;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4738 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4739 *offp = offset - size + len
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4740 - (text_end - ((dp->db_index[idx - 1]) & DB_INDEX_MASK));
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4741 curline += idx - start_idx + extra;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4742 if (curline > buf->b_ml.ml_line_count)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4743 return -1; /* exactly one byte beyond the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4744 return curline;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4745 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4746 curline = buf->b_ml.ml_locked_high + 1;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4747 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4748
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4749 if (lnum != 0)
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4750 {
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4751 /* Count extra CR characters. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4752 if (ffdos)
169
0e902b8f511f updated for version 7.0051
vimboss
parents: 165
diff changeset
4753 size += lnum - 1;
20
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4754
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4755 /* Don't count the last line break if 'bin' and 'noeol'. */
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4756 if (buf->b_p_bin && !buf->b_p_eol)
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4757 size -= ffdos + 1;
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4758 }
4ac1dce8dd5e updated for version 7.0012
vimboss
parents: 13
diff changeset
4759
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4760 return size;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4761 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4762
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4763 /*
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4764 * Goto byte in buffer with offset 'cnt'.
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4765 */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4766 void
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4767 goto_byte(cnt)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4768 long cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4769 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4770 long boff = cnt;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4771 linenr_T lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4772
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4773 ml_flush_line(curbuf); /* cached line may be dirty */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4774 setpcmark();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4775 if (boff)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4776 --boff;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4777 lnum = ml_find_line_or_offset(curbuf, (linenr_T)0, &boff);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4778 if (lnum < 1) /* past the end */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4779 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4780 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4781 curwin->w_curswant = MAXCOL;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4782 coladvance((colnr_T)MAXCOL);
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4783 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4784 else
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4785 {
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4786 curwin->w_cursor.lnum = lnum;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4787 curwin->w_cursor.col = (colnr_T)boff;
572
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
4788 # ifdef FEAT_VIRTUALEDIT
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
4789 curwin->w_cursor.coladd = 0;
2244be18d9e9 updated for version 7.0162
vimboss
parents: 460
diff changeset
4790 # endif
7
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4791 curwin->w_set_curswant = TRUE;
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4792 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4793 check_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4794
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4795 # ifdef FEAT_MBYTE
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4796 /* Make sure the cursor is on the first byte of a multi-byte char. */
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4797 if (has_mbyte)
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4798 mb_adjust_cursor();
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4799 # endif
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4800 }
3fc0f57ecb91 updated for version 7.0001
vimboss
parents:
diff changeset
4801 #endif