Mercurial > vim
annotate src/undo.c @ 14862:27b9a84395b5 v8.1.0443
patch 8.1.0443: unnecessary static function prototypes
commit https://github.com/vim/vim/commit/6dff58f15cede9139b2fcfc64c9064326ea3d3b0
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Sep 30 21:43:26 2018 +0200
patch 8.1.0443: unnecessary static function prototypes
Problem: Unnecessary static function prototypes.
Solution: Remove unnecessary prototypes.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sun, 30 Sep 2018 21:45:07 +0200 |
| parents | 9c9ee53868b9 |
| children | 58b125df3e9b |
| rev | line source |
|---|---|
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commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * undo.c: multi level undo facility | |
| 12 * | |
| 13 * The saved lines are stored in a list of lists (one for each buffer): | |
| 14 * | |
| 15 * b_u_oldhead------------------------------------------------+ | |
| 16 * | | |
| 17 * V | |
| 18 * +--------------+ +--------------+ +--------------+ | |
| 19 * b_u_newhead--->| u_header | | u_header | | u_header | | |
| 20 * | uh_next------>| uh_next------>| uh_next---->NULL | |
| 21 * NULL<--------uh_prev |<---------uh_prev |<---------uh_prev | | |
| 22 * | uh_entry | | uh_entry | | uh_entry | | |
| 23 * +--------|-----+ +--------|-----+ +--------|-----+ | |
| 24 * | | | | |
| 25 * V V V | |
| 26 * +--------------+ +--------------+ +--------------+ | |
| 27 * | u_entry | | u_entry | | u_entry | | |
| 28 * | ue_next | | ue_next | | ue_next | | |
| 29 * +--------|-----+ +--------|-----+ +--------|-----+ | |
| 30 * | | | | |
| 31 * V V V | |
| 32 * +--------------+ NULL NULL | |
| 33 * | u_entry | | |
| 34 * | ue_next | | |
| 35 * +--------|-----+ | |
| 36 * | | |
| 37 * V | |
| 38 * etc. | |
| 39 * | |
| 40 * Each u_entry list contains the information for one undo or redo. | |
| 41 * curbuf->b_u_curhead points to the header of the last undo (the next redo), | |
| 758 | 42 * or is NULL if nothing has been undone (end of the branch). |
| 7 | 43 * |
| 753 | 44 * For keeping alternate undo/redo branches the uh_alt field is used. Thus at |
| 45 * each point in the list a branch may appear for an alternate to redo. The | |
| 46 * uh_seq field is numbered sequentially to be able to find a newer or older | |
| 47 * branch. | |
| 48 * | |
| 758 | 49 * +---------------+ +---------------+ |
| 50 * b_u_oldhead --->| u_header | | u_header | | |
| 51 * | uh_alt_next ---->| uh_alt_next ----> NULL | |
| 52 * NULL <----- uh_alt_prev |<------ uh_alt_prev | | |
| 53 * | uh_prev | | uh_prev | | |
| 54 * +-----|---------+ +-----|---------+ | |
| 55 * | | | |
| 56 * V V | |
| 57 * +---------------+ +---------------+ | |
| 58 * | u_header | | u_header | | |
| 59 * | uh_alt_next | | uh_alt_next | | |
| 60 * b_u_newhead --->| uh_alt_prev | | uh_alt_prev | | |
| 61 * | uh_prev | | uh_prev | | |
| 62 * +-----|---------+ +-----|---------+ | |
| 63 * | | | |
| 64 * V V | |
| 65 * NULL +---------------+ +---------------+ | |
| 66 * | u_header | | u_header | | |
| 67 * | uh_alt_next ---->| uh_alt_next | | |
| 68 * | uh_alt_prev |<------ uh_alt_prev | | |
| 69 * | uh_prev | | uh_prev | | |
| 70 * +-----|---------+ +-----|---------+ | |
| 71 * | | | |
| 72 * etc. etc. | |
| 73 * | |
| 74 * | |
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75 * All data is allocated and will all be freed when the buffer is unloaded. |
| 7 | 76 */ |
| 77 | |
| 1415 | 78 /* Uncomment the next line for including the u_check() function. This warns |
| 79 * for errors in the debug information. */ | |
| 80 /* #define U_DEBUG 1 */ | |
| 81 #define UH_MAGIC 0x18dade /* value for uh_magic when in use */ | |
| 82 #define UE_MAGIC 0xabc123 /* value for ue_magic when in use */ | |
| 83 | |
| 6122 | 84 /* Size of buffer used for encryption. */ |
| 85 #define CRYPT_BUF_SIZE 8192 | |
| 86 | |
| 7 | 87 #include "vim.h" |
| 88 | |
| 6122 | 89 /* Structure passed around between functions. |
| 90 * Avoids passing cryptstate_T when encryption not available. */ | |
| 91 typedef struct { | |
| 92 buf_T *bi_buf; | |
| 93 FILE *bi_fp; | |
| 94 #ifdef FEAT_CRYPT | |
| 95 cryptstate_T *bi_state; | |
| 96 char_u *bi_buffer; /* CRYPT_BUF_SIZE, NULL when not buffering */ | |
| 97 size_t bi_used; /* bytes written to/read from bi_buffer */ | |
| 98 size_t bi_avail; /* bytes available in bi_buffer */ | |
| 99 #endif | |
| 100 } bufinfo_T; | |
| 101 | |
| 102 | |
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103 static void u_unch_branch(u_header_T *uhp); |
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104 static u_entry_T *u_get_headentry(void); |
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105 static void u_getbot(void); |
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106 static void u_doit(int count); |
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107 static void u_undoredo(int undo); |
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108 static void u_undo_end(int did_undo, int absolute); |
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109 static void u_add_time(char_u *buf, size_t buflen, time_t tt); |
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110 static void u_freeheader(buf_T *buf, u_header_T *uhp, u_header_T **uhpp); |
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111 static void u_freebranch(buf_T *buf, u_header_T *uhp, u_header_T **uhpp); |
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112 static void u_freeentries(buf_T *buf, u_header_T *uhp, u_header_T **uhpp); |
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113 static void u_freeentry(u_entry_T *, long); |
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114 #ifdef FEAT_PERSISTENT_UNDO |
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115 # ifdef FEAT_CRYPT |
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116 static int undo_flush(bufinfo_T *bi); |
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117 # endif |
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118 static int undo_read(bufinfo_T *bi, char_u *buffer, size_t size); |
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119 static int serialize_uep(bufinfo_T *bi, u_entry_T *uep); |
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120 static u_entry_T *unserialize_uep(bufinfo_T *bi, int *error, char_u *file_name); |
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121 static void serialize_pos(bufinfo_T *bi, pos_T pos); |
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122 static void unserialize_pos(bufinfo_T *bi, pos_T *pos); |
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123 static void serialize_visualinfo(bufinfo_T *bi, visualinfo_T *info); |
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124 static void unserialize_visualinfo(bufinfo_T *bi, visualinfo_T *info); |
| 168 | 125 #endif |
| 7 | 126 |
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127 #define U_ALLOC_LINE(size) lalloc((long_u)(size), FALSE) |
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128 static char_u *u_save_line(linenr_T); |
| 7 | 129 |
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130 /* used in undo_end() to report number of added and deleted lines */ |
| 7 | 131 static long u_newcount, u_oldcount; |
| 132 | |
| 133 /* | |
| 134 * When 'u' flag included in 'cpoptions', we behave like vi. Need to remember | |
| 135 * the action that "u" should do. | |
| 136 */ | |
| 137 static int undo_undoes = FALSE; | |
| 138 | |
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139 static int lastmark = 0; |
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140 |
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141 #if defined(U_DEBUG) || defined(PROTO) |
| 1415 | 142 /* |
| 143 * Check the undo structures for being valid. Print a warning when something | |
| 144 * looks wrong. | |
| 145 */ | |
| 146 static int seen_b_u_curhead; | |
| 147 static int seen_b_u_newhead; | |
| 148 static int header_count; | |
| 149 | |
| 150 static void | |
| 151 u_check_tree(u_header_T *uhp, | |
| 152 u_header_T *exp_uh_next, | |
| 153 u_header_T *exp_uh_alt_prev) | |
| 154 { | |
| 155 u_entry_T *uep; | |
| 156 | |
| 157 if (uhp == NULL) | |
| 158 return; | |
| 159 ++header_count; | |
| 160 if (uhp == curbuf->b_u_curhead && ++seen_b_u_curhead > 1) | |
| 161 { | |
| 162 EMSG("b_u_curhead found twice (looping?)"); | |
| 163 return; | |
| 164 } | |
| 165 if (uhp == curbuf->b_u_newhead && ++seen_b_u_newhead > 1) | |
| 166 { | |
| 167 EMSG("b_u_newhead found twice (looping?)"); | |
| 168 return; | |
| 169 } | |
| 170 | |
| 171 if (uhp->uh_magic != UH_MAGIC) | |
| 172 EMSG("uh_magic wrong (may be using freed memory)"); | |
| 173 else | |
| 174 { | |
| 175 /* Check pointers back are correct. */ | |
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176 if (uhp->uh_next.ptr != exp_uh_next) |
| 1415 | 177 { |
| 178 EMSG("uh_next wrong"); | |
| 179 smsg((char_u *)"expected: 0x%x, actual: 0x%x", | |
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180 exp_uh_next, uhp->uh_next.ptr); |
| 1415 | 181 } |
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182 if (uhp->uh_alt_prev.ptr != exp_uh_alt_prev) |
| 1415 | 183 { |
| 184 EMSG("uh_alt_prev wrong"); | |
| 185 smsg((char_u *)"expected: 0x%x, actual: 0x%x", | |
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186 exp_uh_alt_prev, uhp->uh_alt_prev.ptr); |
| 1415 | 187 } |
| 188 | |
| 189 /* Check the undo tree at this header. */ | |
| 190 for (uep = uhp->uh_entry; uep != NULL; uep = uep->ue_next) | |
| 191 { | |
| 192 if (uep->ue_magic != UE_MAGIC) | |
| 193 { | |
| 194 EMSG("ue_magic wrong (may be using freed memory)"); | |
| 195 break; | |
| 196 } | |
| 197 } | |
| 198 | |
| 199 /* Check the next alt tree. */ | |
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200 u_check_tree(uhp->uh_alt_next.ptr, uhp->uh_next.ptr, uhp); |
| 1415 | 201 |
| 202 /* Check the next header in this branch. */ | |
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203 u_check_tree(uhp->uh_prev.ptr, uhp, NULL); |
| 1415 | 204 } |
| 205 } | |
| 206 | |
| 2189 | 207 static void |
| 1415 | 208 u_check(int newhead_may_be_NULL) |
| 209 { | |
| 210 seen_b_u_newhead = 0; | |
| 211 seen_b_u_curhead = 0; | |
| 212 header_count = 0; | |
| 213 | |
| 214 u_check_tree(curbuf->b_u_oldhead, NULL, NULL); | |
| 215 | |
| 216 if (seen_b_u_newhead == 0 && curbuf->b_u_oldhead != NULL | |
| 217 && !(newhead_may_be_NULL && curbuf->b_u_newhead == NULL)) | |
| 218 EMSGN("b_u_newhead invalid: 0x%x", curbuf->b_u_newhead); | |
| 219 if (curbuf->b_u_curhead != NULL && seen_b_u_curhead == 0) | |
| 220 EMSGN("b_u_curhead invalid: 0x%x", curbuf->b_u_curhead); | |
| 221 if (header_count != curbuf->b_u_numhead) | |
| 222 { | |
| 223 EMSG("b_u_numhead invalid"); | |
| 224 smsg((char_u *)"expected: %ld, actual: %ld", | |
| 225 (long)header_count, (long)curbuf->b_u_numhead); | |
| 226 } | |
| 227 } | |
| 228 #endif | |
| 229 | |
| 7 | 230 /* |
| 344 | 231 * Save the current line for both the "u" and "U" command. |
| 4303 | 232 * Careful: may trigger autocommands that reload the buffer. |
| 344 | 233 * Returns OK or FAIL. |
| 7 | 234 */ |
| 235 int | |
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236 u_save_cursor(void) |
| 7 | 237 { |
| 238 return (u_save((linenr_T)(curwin->w_cursor.lnum - 1), | |
| 239 (linenr_T)(curwin->w_cursor.lnum + 1))); | |
| 240 } | |
| 241 | |
| 242 /* | |
| 243 * Save the lines between "top" and "bot" for both the "u" and "U" command. | |
| 244 * "top" may be 0 and bot may be curbuf->b_ml.ml_line_count + 1. | |
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245 * Careful: may trigger autocommands that reload the buffer. |
| 7 | 246 * Returns FAIL when lines could not be saved, OK otherwise. |
| 247 */ | |
| 248 int | |
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249 u_save(linenr_T top, linenr_T bot) |
| 7 | 250 { |
| 251 if (undo_off) | |
| 252 return OK; | |
| 253 | |
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254 if (top >= bot || bot > curbuf->b_ml.ml_line_count + 1) |
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255 return FAIL; // rely on caller to give an error message |
| 7 | 256 |
| 257 if (top + 2 == bot) | |
| 258 u_saveline((linenr_T)(top + 1)); | |
| 259 | |
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260 return (u_savecommon(top, bot, (linenr_T)0, FALSE)); |
| 7 | 261 } |
| 262 | |
| 263 /* | |
| 2181 | 264 * Save the line "lnum" (used by ":s" and "~" command). |
| 7 | 265 * The line is replaced, so the new bottom line is lnum + 1. |
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266 * Careful: may trigger autocommands that reload the buffer. |
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267 * Returns FAIL when lines could not be saved, OK otherwise. |
| 7 | 268 */ |
| 269 int | |
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270 u_savesub(linenr_T lnum) |
| 7 | 271 { |
| 272 if (undo_off) | |
| 273 return OK; | |
| 274 | |
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275 return (u_savecommon(lnum - 1, lnum + 1, lnum + 1, FALSE)); |
| 7 | 276 } |
| 277 | |
| 278 /* | |
| 2181 | 279 * A new line is inserted before line "lnum" (used by :s command). |
| 7 | 280 * The line is inserted, so the new bottom line is lnum + 1. |
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281 * Careful: may trigger autocommands that reload the buffer. |
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282 * Returns FAIL when lines could not be saved, OK otherwise. |
| 7 | 283 */ |
| 284 int | |
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285 u_inssub(linenr_T lnum) |
| 7 | 286 { |
| 287 if (undo_off) | |
| 288 return OK; | |
| 289 | |
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290 return (u_savecommon(lnum - 1, lnum, lnum + 1, FALSE)); |
| 7 | 291 } |
| 292 | |
| 293 /* | |
| 2181 | 294 * Save the lines "lnum" - "lnum" + nlines (used by delete command). |
| 7 | 295 * The lines are deleted, so the new bottom line is lnum, unless the buffer |
| 296 * becomes empty. | |
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297 * Careful: may trigger autocommands that reload the buffer. |
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298 * Returns FAIL when lines could not be saved, OK otherwise. |
| 7 | 299 */ |
| 300 int | |
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301 u_savedel(linenr_T lnum, long nlines) |
| 7 | 302 { |
| 303 if (undo_off) | |
| 304 return OK; | |
| 305 | |
| 306 return (u_savecommon(lnum - 1, lnum + nlines, | |
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307 nlines == curbuf->b_ml.ml_line_count ? 2 : lnum, FALSE)); |
| 7 | 308 } |
| 309 | |
| 632 | 310 /* |
| 311 * Return TRUE when undo is allowed. Otherwise give an error message and | |
| 312 * return FALSE. | |
| 313 */ | |
| 912 | 314 int |
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315 undo_allowed(void) |
| 632 | 316 { |
| 317 /* Don't allow changes when 'modifiable' is off. */ | |
| 318 if (!curbuf->b_p_ma) | |
| 319 { | |
| 320 EMSG(_(e_modifiable)); | |
| 321 return FALSE; | |
| 322 } | |
| 323 | |
| 324 #ifdef HAVE_SANDBOX | |
| 325 /* In the sandbox it's not allowed to change the text. */ | |
| 326 if (sandbox != 0) | |
| 327 { | |
| 328 EMSG(_(e_sandbox)); | |
| 329 return FALSE; | |
| 330 } | |
| 331 #endif | |
| 332 | |
| 333 /* Don't allow changes in the buffer while editing the cmdline. The | |
| 334 * caller of getcmdline() may get confused. */ | |
| 634 | 335 if (textlock != 0) |
| 632 | 336 { |
| 337 EMSG(_(e_secure)); | |
| 338 return FALSE; | |
| 339 } | |
| 340 | |
| 341 return TRUE; | |
| 342 } | |
| 343 | |
| 2189 | 344 /* |
| 5446 | 345 * Get the undolevle value for the current buffer. |
| 346 */ | |
| 347 static long | |
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348 get_undolevel(void) |
| 5446 | 349 { |
| 350 if (curbuf->b_p_ul == NO_LOCAL_UNDOLEVEL) | |
| 351 return p_ul; | |
| 352 return curbuf->b_p_ul; | |
| 353 } | |
| 354 | |
| 355 /* | |
| 2189 | 356 * Common code for various ways to save text before a change. |
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357 * "top" is the line above the first changed line. |
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358 * "bot" is the line below the last changed line. |
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359 * "newbot" is the new bottom line. Use zero when not known. |
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360 * "reload" is TRUE when saving for a buffer reload. |
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361 * Careful: may trigger autocommands that reload the buffer. |
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362 * Returns FAIL when lines could not be saved, OK otherwise. |
| 2189 | 363 */ |
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364 int |
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365 u_savecommon( |
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366 linenr_T top, |
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367 linenr_T bot, |
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368 linenr_T newbot, |
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369 int reload) |
| 7 | 370 { |
| 753 | 371 linenr_T lnum; |
| 372 long i; | |
| 373 u_header_T *uhp; | |
| 374 u_header_T *old_curhead; | |
| 375 u_entry_T *uep; | |
| 376 u_entry_T *prev_uep; | |
| 377 long size; | |
| 7 | 378 |
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379 if (!reload) |
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380 { |
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381 /* When making changes is not allowed return FAIL. It's a crude way |
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382 * to make all change commands fail. */ |
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383 if (!undo_allowed()) |
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384 return FAIL; |
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385 |
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386 #ifdef FEAT_NETBEANS_INTG |
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387 /* |
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388 * Netbeans defines areas that cannot be modified. Bail out here when |
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389 * trying to change text in a guarded area. |
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390 */ |
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391 if (netbeans_active()) |
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392 { |
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393 if (netbeans_is_guarded(top, bot)) |
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394 { |
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395 EMSG(_(e_guarded)); |
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396 return FAIL; |
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397 } |
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398 if (curbuf->b_p_ro) |
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399 { |
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400 EMSG(_(e_nbreadonly)); |
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401 return FAIL; |
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402 } |
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403 } |
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404 #endif |
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405 #ifdef FEAT_TERMINAL |
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406 /* A change in a terminal buffer removes the highlighting. */ |
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407 term_change_in_curbuf(); |
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408 #endif |
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409 |
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410 /* |
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411 * Saving text for undo means we are going to make a change. Give a |
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412 * warning for a read-only file before making the change, so that the |
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413 * FileChangedRO event can replace the buffer with a read-write version |
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414 * (e.g., obtained from a source control system). |
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415 */ |
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416 change_warning(0); |
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417 if (bot > curbuf->b_ml.ml_line_count + 1) |
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418 { |
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419 /* This happens when the FileChangedRO autocommand changes the |
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420 * file in a way it becomes shorter. */ |
| 5621 | 421 EMSG(_("E881: Line count changed unexpectedly")); |
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422 return FAIL; |
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423 } |
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424 } |
| 7 | 425 |
| 1415 | 426 #ifdef U_DEBUG |
| 427 u_check(FALSE); | |
| 428 #endif | |
| 7 | 429 |
| 430 size = bot - top - 1; | |
| 431 | |
| 432 /* | |
| 2189 | 433 * If curbuf->b_u_synced == TRUE make a new header. |
| 7 | 434 */ |
| 435 if (curbuf->b_u_synced) | |
| 436 { | |
| 437 #ifdef FEAT_JUMPLIST | |
| 438 /* Need to create new entry in b_changelist. */ | |
| 439 curbuf->b_new_change = TRUE; | |
| 440 #endif | |
| 441 | |
| 5446 | 442 if (get_undolevel() >= 0) |
| 753 | 443 { |
| 444 /* | |
| 445 * Make a new header entry. Do this first so that we don't mess | |
| 446 * up the undo info when out of memory. | |
| 447 */ | |
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448 uhp = (u_header_T *)U_ALLOC_LINE(sizeof(u_header_T)); |
| 753 | 449 if (uhp == NULL) |
| 450 goto nomem; | |
| 1415 | 451 #ifdef U_DEBUG |
| 452 uhp->uh_magic = UH_MAGIC; | |
| 453 #endif | |
| 753 | 454 } |
| 766 | 455 else |
| 456 uhp = NULL; | |
| 753 | 457 |
| 7 | 458 /* |
| 758 | 459 * If we undid more than we redid, move the entry lists before and |
| 460 * including curbuf->b_u_curhead to an alternate branch. | |
| 7 | 461 */ |
| 753 | 462 old_curhead = curbuf->b_u_curhead; |
| 463 if (old_curhead != NULL) | |
| 464 { | |
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465 curbuf->b_u_newhead = old_curhead->uh_next.ptr; |
| 753 | 466 curbuf->b_u_curhead = NULL; |
| 467 } | |
| 7 | 468 |
| 469 /* | |
| 470 * free headers to keep the size right | |
| 471 */ | |
| 5446 | 472 while (curbuf->b_u_numhead > get_undolevel() |
| 473 && curbuf->b_u_oldhead != NULL) | |
| 753 | 474 { |
| 758 | 475 u_header_T *uhfree = curbuf->b_u_oldhead; |
| 753 | 476 |
| 1415 | 477 if (uhfree == old_curhead) |
| 478 /* Can't reconnect the branch, delete all of it. */ | |
| 479 u_freebranch(curbuf, uhfree, &old_curhead); | |
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480 else if (uhfree->uh_alt_next.ptr == NULL) |
| 1415 | 481 /* There is no branch, only free one header. */ |
| 758 | 482 u_freeheader(curbuf, uhfree, &old_curhead); |
| 753 | 483 else |
| 484 { | |
| 485 /* Free the oldest alternate branch as a whole. */ | |
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486 while (uhfree->uh_alt_next.ptr != NULL) |
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487 uhfree = uhfree->uh_alt_next.ptr; |
| 758 | 488 u_freebranch(curbuf, uhfree, &old_curhead); |
| 753 | 489 } |
| 1415 | 490 #ifdef U_DEBUG |
| 491 u_check(TRUE); | |
| 492 #endif | |
| 753 | 493 } |
| 7 | 494 |
| 766 | 495 if (uhp == NULL) /* no undo at all */ |
| 7 | 496 { |
| 753 | 497 if (old_curhead != NULL) |
| 498 u_freebranch(curbuf, old_curhead, NULL); | |
| 7 | 499 curbuf->b_u_synced = FALSE; |
| 500 return OK; | |
| 501 } | |
| 502 | |
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503 uhp->uh_prev.ptr = NULL; |
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504 uhp->uh_next.ptr = curbuf->b_u_newhead; |
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505 uhp->uh_alt_next.ptr = old_curhead; |
| 753 | 506 if (old_curhead != NULL) |
| 507 { | |
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508 uhp->uh_alt_prev.ptr = old_curhead->uh_alt_prev.ptr; |
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509 if (uhp->uh_alt_prev.ptr != NULL) |
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510 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = uhp; |
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511 old_curhead->uh_alt_prev.ptr = uhp; |
| 753 | 512 if (curbuf->b_u_oldhead == old_curhead) |
| 513 curbuf->b_u_oldhead = uhp; | |
| 514 } | |
| 1056 | 515 else |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
516 uhp->uh_alt_prev.ptr = NULL; |
| 758 | 517 if (curbuf->b_u_newhead != NULL) |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
518 curbuf->b_u_newhead->uh_prev.ptr = uhp; |
| 758 | 519 |
| 777 | 520 uhp->uh_seq = ++curbuf->b_u_seq_last; |
| 521 curbuf->b_u_seq_cur = uhp->uh_seq; | |
|
9674
adc7212951ee
commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
522 uhp->uh_time = vim_time(); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
523 uhp->uh_save_nr = 0; |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
524 curbuf->b_u_time_cur = uhp->uh_time + 1; |
| 758 | 525 |
| 753 | 526 uhp->uh_walk = 0; |
| 7 | 527 uhp->uh_entry = NULL; |
| 528 uhp->uh_getbot_entry = NULL; | |
| 529 uhp->uh_cursor = curwin->w_cursor; /* save cursor pos. for undo */ | |
| 530 #ifdef FEAT_VIRTUALEDIT | |
| 531 if (virtual_active() && curwin->w_cursor.coladd > 0) | |
| 532 uhp->uh_cursor_vcol = getviscol(); | |
| 533 else | |
| 534 uhp->uh_cursor_vcol = -1; | |
| 535 #endif | |
| 536 | |
| 537 /* save changed and buffer empty flag for undo */ | |
| 538 uhp->uh_flags = (curbuf->b_changed ? UH_CHANGED : 0) + | |
| 539 ((curbuf->b_ml.ml_flags & ML_EMPTY) ? UH_EMPTYBUF : 0); | |
| 540 | |
| 692 | 541 /* save named marks and Visual marks for undo */ |
| 7 | 542 mch_memmove(uhp->uh_namedm, curbuf->b_namedm, sizeof(pos_T) * NMARKS); |
| 692 | 543 uhp->uh_visual = curbuf->b_visual; |
| 544 | |
| 7 | 545 curbuf->b_u_newhead = uhp; |
| 546 if (curbuf->b_u_oldhead == NULL) | |
| 547 curbuf->b_u_oldhead = uhp; | |
| 548 ++curbuf->b_u_numhead; | |
| 549 } | |
| 550 else | |
| 551 { | |
| 5446 | 552 if (get_undolevel() < 0) /* no undo at all */ |
| 7 | 553 return OK; |
| 554 | |
| 555 /* | |
| 556 * When saving a single line, and it has been saved just before, it | |
| 557 * doesn't make sense saving it again. Saves a lot of memory when | |
| 558 * making lots of changes inside the same line. | |
| 559 * This is only possible if the previous change didn't increase or | |
| 560 * decrease the number of lines. | |
| 561 * Check the ten last changes. More doesn't make sense and takes too | |
| 562 * long. | |
| 563 */ | |
| 564 if (size == 1) | |
| 565 { | |
| 566 uep = u_get_headentry(); | |
| 567 prev_uep = NULL; | |
| 568 for (i = 0; i < 10; ++i) | |
| 569 { | |
| 570 if (uep == NULL) | |
| 571 break; | |
| 572 | |
| 573 /* If lines have been inserted/deleted we give up. | |
| 574 * Also when the line was included in a multi-line save. */ | |
| 575 if ((curbuf->b_u_newhead->uh_getbot_entry != uep | |
| 576 ? (uep->ue_top + uep->ue_size + 1 | |
| 577 != (uep->ue_bot == 0 | |
| 578 ? curbuf->b_ml.ml_line_count + 1 | |
| 579 : uep->ue_bot)) | |
| 580 : uep->ue_lcount != curbuf->b_ml.ml_line_count) | |
| 581 || (uep->ue_size > 1 | |
| 582 && top >= uep->ue_top | |
| 583 && top + 2 <= uep->ue_top + uep->ue_size + 1)) | |
| 584 break; | |
| 585 | |
| 586 /* If it's the same line we can skip saving it again. */ | |
| 587 if (uep->ue_size == 1 && uep->ue_top == top) | |
| 588 { | |
| 589 if (i > 0) | |
| 590 { | |
| 591 /* It's not the last entry: get ue_bot for the last | |
| 592 * entry now. Following deleted/inserted lines go to | |
| 593 * the re-used entry. */ | |
| 594 u_getbot(); | |
| 595 curbuf->b_u_synced = FALSE; | |
| 596 | |
| 597 /* Move the found entry to become the last entry. The | |
| 598 * order of undo/redo doesn't matter for the entries | |
| 599 * we move it over, since they don't change the line | |
| 600 * count and don't include this line. It does matter | |
| 601 * for the found entry if the line count is changed by | |
| 602 * the executed command. */ | |
| 603 prev_uep->ue_next = uep->ue_next; | |
| 604 uep->ue_next = curbuf->b_u_newhead->uh_entry; | |
| 605 curbuf->b_u_newhead->uh_entry = uep; | |
| 606 } | |
| 607 | |
| 608 /* The executed command may change the line count. */ | |
| 609 if (newbot != 0) | |
| 610 uep->ue_bot = newbot; | |
| 611 else if (bot > curbuf->b_ml.ml_line_count) | |
| 612 uep->ue_bot = 0; | |
| 613 else | |
| 614 { | |
| 615 uep->ue_lcount = curbuf->b_ml.ml_line_count; | |
| 616 curbuf->b_u_newhead->uh_getbot_entry = uep; | |
| 617 } | |
| 618 return OK; | |
| 619 } | |
| 620 prev_uep = uep; | |
| 621 uep = uep->ue_next; | |
| 622 } | |
| 623 } | |
| 624 | |
| 625 /* find line number for ue_bot for previous u_save() */ | |
| 626 u_getbot(); | |
| 627 } | |
| 628 | |
|
9536
b2aada04d84e
commit https://github.com/vim/vim/commit/a06ecab7a5159e744448ace731036f0dc5f87dd4
Christian Brabandt <cb@256bit.org>
parents:
9387
diff
changeset
|
629 #if !defined(UNIX) && !defined(WIN32) |
| 7 | 630 /* |
|
8212
05b88224cea1
commit https://github.com/vim/vim/commit/48e330aff911be1c798c88a973af6437a8141fce
Christian Brabandt <cb@256bit.org>
parents:
8128
diff
changeset
|
631 * With Amiga we can't handle big undo's, because |
| 7 | 632 * then u_alloc_line would have to allocate a block larger than 32K |
| 633 */ | |
| 634 if (size >= 8000) | |
| 635 goto nomem; | |
| 636 #endif | |
| 637 | |
| 638 /* | |
| 639 * add lines in front of entry list | |
| 640 */ | |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
641 uep = (u_entry_T *)U_ALLOC_LINE(sizeof(u_entry_T)); |
| 7 | 642 if (uep == NULL) |
| 643 goto nomem; | |
|
2215
cccb71c2c5c1
Fix uninit memory read in undo code. Fix uint32_t in proto file.
Bram Moolenaar <bram@vim.org>
parents:
2214
diff
changeset
|
644 vim_memset(uep, 0, sizeof(u_entry_T)); |
| 1415 | 645 #ifdef U_DEBUG |
| 646 uep->ue_magic = UE_MAGIC; | |
| 647 #endif | |
| 7 | 648 |
| 649 uep->ue_size = size; | |
| 650 uep->ue_top = top; | |
| 651 if (newbot != 0) | |
| 652 uep->ue_bot = newbot; | |
| 653 /* | |
| 654 * Use 0 for ue_bot if bot is below last line. | |
| 655 * Otherwise we have to compute ue_bot later. | |
| 656 */ | |
| 657 else if (bot > curbuf->b_ml.ml_line_count) | |
| 658 uep->ue_bot = 0; | |
| 659 else | |
| 660 { | |
| 661 uep->ue_lcount = curbuf->b_ml.ml_line_count; | |
| 662 curbuf->b_u_newhead->uh_getbot_entry = uep; | |
| 663 } | |
| 664 | |
| 168 | 665 if (size > 0) |
| 7 | 666 { |
| 168 | 667 if ((uep->ue_array = (char_u **)U_ALLOC_LINE( |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
668 sizeof(char_u *) * size)) == NULL) |
| 7 | 669 { |
| 670 u_freeentry(uep, 0L); | |
| 671 goto nomem; | |
| 672 } | |
| 673 for (i = 0, lnum = top + 1; i < size; ++i) | |
| 674 { | |
| 481 | 675 fast_breakcheck(); |
| 676 if (got_int) | |
| 677 { | |
| 678 u_freeentry(uep, i); | |
| 679 return FAIL; | |
| 680 } | |
| 7 | 681 if ((uep->ue_array[i] = u_save_line(lnum++)) == NULL) |
| 682 { | |
| 683 u_freeentry(uep, i); | |
| 684 goto nomem; | |
| 685 } | |
| 686 } | |
| 687 } | |
| 359 | 688 else |
| 689 uep->ue_array = NULL; | |
| 7 | 690 uep->ue_next = curbuf->b_u_newhead->uh_entry; |
| 691 curbuf->b_u_newhead->uh_entry = uep; | |
| 692 curbuf->b_u_synced = FALSE; | |
| 693 undo_undoes = FALSE; | |
| 694 | |
| 1415 | 695 #ifdef U_DEBUG |
| 696 u_check(FALSE); | |
| 697 #endif | |
| 7 | 698 return OK; |
| 699 | |
| 700 nomem: | |
| 701 msg_silent = 0; /* must display the prompt */ | |
| 702 if (ask_yesno((char_u *)_("No undo possible; continue anyway"), TRUE) | |
| 703 == 'y') | |
| 704 { | |
| 705 undo_off = TRUE; /* will be reset when character typed */ | |
| 706 return OK; | |
| 707 } | |
| 708 do_outofmem_msg((long_u)0); | |
| 709 return FAIL; | |
| 710 } | |
| 711 | |
|
2266
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
712 #if defined(FEAT_PERSISTENT_UNDO) || defined(PROTO) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
713 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
714 # define UF_START_MAGIC "Vim\237UnDo\345" /* magic at start of undofile */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
715 # define UF_START_MAGIC_LEN 9 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
716 # define UF_HEADER_MAGIC 0x5fd0 /* magic at start of header */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
717 # define UF_HEADER_END_MAGIC 0xe7aa /* magic after last header */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
718 # define UF_ENTRY_MAGIC 0xf518 /* magic at start of entry */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
719 # define UF_ENTRY_END_MAGIC 0x3581 /* magic after last entry */ |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
720 # define UF_VERSION 2 /* 2-byte undofile version number */ |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
721 # define UF_VERSION_CRYPT 0x8002 /* idem, encrypted */ |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
722 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
723 /* extra fields for header */ |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
724 # define UF_LAST_SAVE_NR 1 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
725 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
726 /* extra fields for uhp */ |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
727 # define UHP_SAVE_NR 1 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
728 |
|
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2223
diff
changeset
|
729 static char_u e_not_open[] = N_("E828: Cannot open undo file for writing: %s"); |
|
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2223
diff
changeset
|
730 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
731 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
732 * Compute the hash for the current buffer text into hash[UNDO_HASH_SIZE]. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
733 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
734 void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
735 u_compute_hash(char_u *hash) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
736 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
737 context_sha256_T ctx; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
738 linenr_T lnum; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
739 char_u *p; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
740 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
741 sha256_start(&ctx); |
| 3194 | 742 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
743 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
744 p = ml_get(lnum); |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
745 sha256_update(&ctx, p, (UINT32_T)(STRLEN(p) + 1)); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
746 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
747 sha256_finish(&ctx, hash); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
748 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
749 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
750 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
751 * Return an allocated string of the full path of the target undofile. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
752 * When "reading" is TRUE find the file to read, go over all directories in |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
753 * 'undodir'. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
754 * When "reading" is FALSE use the first name where the directory exists. |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
755 * Returns NULL when there is no place to write or no file to read. |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
756 */ |
|
2236
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2235
diff
changeset
|
757 char_u * |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
758 u_get_undo_file_name(char_u *buf_ffname, int reading) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
759 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
760 char_u *dirp; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
761 char_u dir_name[IOSIZE + 1]; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
762 char_u *munged_name = NULL; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
763 char_u *undo_file_name = NULL; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
764 int dir_len; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
765 char_u *p; |
|
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8568
diff
changeset
|
766 stat_T st; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
767 char_u *ffname = buf_ffname; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
768 #ifdef HAVE_READLINK |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
769 char_u fname_buf[MAXPATHL]; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
770 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
771 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
772 if (ffname == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
773 return NULL; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
774 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
775 #ifdef HAVE_READLINK |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
776 /* Expand symlink in the file name, so that we put the undo file with the |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
777 * actual file instead of with the symlink. */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
778 if (resolve_symlink(ffname, fname_buf) == OK) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
779 ffname = fname_buf; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
780 #endif |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
781 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
782 /* Loop over 'undodir'. When reading find the first file that exists. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
783 * When not reading use the first directory that exists or ".". */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
784 dirp = p_udir; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
785 while (*dirp != NUL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
786 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
787 dir_len = copy_option_part(&dirp, dir_name, IOSIZE, ","); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
788 if (dir_len == 1 && dir_name[0] == '.') |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
789 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
790 /* Use same directory as the ffname, |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
791 * "dir/name" -> "dir/.name.un~" */ |
|
2217
120502692d82
Improve the MS-Windows installer.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
792 undo_file_name = vim_strnsave(ffname, (int)(STRLEN(ffname) + 5)); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
793 if (undo_file_name == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
794 break; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
795 p = gettail(undo_file_name); |
| 5704 | 796 #ifdef VMS |
| 797 /* VMS can not handle more than one dot in the filenames | |
| 798 * use "dir/name" -> "dir/_un_name" - add _un_ | |
| 799 * at the beginning to keep the extension */ | |
| 800 mch_memmove(p + 4, p, STRLEN(p) + 1); | |
| 801 mch_memmove(p, "_un_", 4); | |
| 802 | |
| 803 #else | |
| 804 /* Use same directory as the ffname, | |
| 805 * "dir/name" -> "dir/.name.un~" */ | |
|
2214
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Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
806 mch_memmove(p + 1, p, STRLEN(p) + 1); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
807 *p = '.'; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
808 STRCAT(p, ".un~"); |
| 5704 | 809 #endif |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
810 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
811 else |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
812 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
813 dir_name[dir_len] = NUL; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
814 if (mch_isdir(dir_name)) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
815 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
816 if (munged_name == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
817 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
818 munged_name = vim_strsave(ffname); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
819 if (munged_name == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
820 return NULL; |
|
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
821 for (p = munged_name; *p != NUL; MB_PTR_ADV(p)) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
822 if (vim_ispathsep(*p)) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
823 *p = '%'; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
824 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
825 undo_file_name = concat_fnames(dir_name, munged_name, TRUE); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
826 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
827 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
828 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
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parents:
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diff
changeset
|
829 /* When reading check if the file exists. */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
830 if (undo_file_name != NULL && (!reading |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
831 || mch_stat((char *)undo_file_name, &st) >= 0)) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
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parents:
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diff
changeset
|
832 break; |
|
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13138
diff
changeset
|
833 VIM_CLEAR(undo_file_name); |
|
2214
f8222d1f9a73
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parents:
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diff
changeset
|
834 } |
|
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Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
835 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
836 vim_free(munged_name); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
837 return undo_file_name; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
838 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
839 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
840 static void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
841 corruption_error(char *mesg, char_u *file_name) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
842 { |
|
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
843 EMSG3(_("E825: Corrupted undo file (%s): %s"), mesg, file_name); |
|
2231
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parents:
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diff
changeset
|
844 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
845 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
846 static void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
847 u_free_uhp(u_header_T *uhp) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
848 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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changeset
|
849 u_entry_T *nuep; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
850 u_entry_T *uep; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
851 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
852 uep = uhp->uh_entry; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
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diff
changeset
|
853 while (uep != NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
854 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
855 nuep = uep->ue_next; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
856 u_freeentry(uep, uep->ue_size); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
857 uep = nuep; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
858 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
859 vim_free(uhp); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
860 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
861 |
|
2266
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
862 /* |
| 6122 | 863 * Write a sequence of bytes to the undo file. |
| 864 * Buffers and encrypts as needed. | |
| 865 * Returns OK or FAIL. | |
|
2266
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
866 */ |
| 6122 | 867 static int |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
868 undo_write(bufinfo_T *bi, char_u *ptr, size_t len) |
| 6122 | 869 { |
| 870 #ifdef FEAT_CRYPT | |
| 871 if (bi->bi_buffer != NULL) | |
| 872 { | |
| 873 size_t len_todo = len; | |
| 874 char_u *p = ptr; | |
| 875 | |
| 876 while (bi->bi_used + len_todo >= CRYPT_BUF_SIZE) | |
| 877 { | |
| 878 size_t n = CRYPT_BUF_SIZE - bi->bi_used; | |
| 879 | |
| 880 mch_memmove(bi->bi_buffer + bi->bi_used, p, n); | |
| 881 len_todo -= n; | |
| 882 p += n; | |
| 883 bi->bi_used = CRYPT_BUF_SIZE; | |
| 884 if (undo_flush(bi) == FAIL) | |
| 885 return FAIL; | |
| 886 } | |
| 887 if (len_todo > 0) | |
| 888 { | |
| 889 mch_memmove(bi->bi_buffer + bi->bi_used, p, len_todo); | |
| 890 bi->bi_used += len_todo; | |
| 891 } | |
| 892 return OK; | |
| 893 } | |
| 894 #endif | |
| 895 if (fwrite(ptr, len, (size_t)1, bi->bi_fp) != 1) | |
| 896 return FAIL; | |
| 897 return OK; | |
| 898 } | |
| 899 | |
| 900 #ifdef FEAT_CRYPT | |
| 901 static int | |
|
7835
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
902 undo_flush(bufinfo_T *bi) |
| 6122 | 903 { |
|
12216
e971ef6c0dee
patch 8.0.0988: warning from Covscan about using NULL pointer
Christian Brabandt <cb@256bit.org>
parents:
11957
diff
changeset
|
904 if (bi->bi_buffer != NULL && bi->bi_state != NULL && bi->bi_used > 0) |
| 6122 | 905 { |
| 906 crypt_encode_inplace(bi->bi_state, bi->bi_buffer, bi->bi_used); | |
| 907 if (fwrite(bi->bi_buffer, bi->bi_used, (size_t)1, bi->bi_fp) != 1) | |
| 908 return FAIL; | |
| 909 bi->bi_used = 0; | |
| 910 } | |
| 911 return OK; | |
| 912 } | |
| 913 #endif | |
| 914 | |
| 915 /* | |
| 916 * Write "ptr[len]" and crypt the bytes when needed. | |
| 917 * Returns OK or FAIL. | |
| 918 */ | |
| 919 static int | |
|
7835
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
920 fwrite_crypt(bufinfo_T *bi, char_u *ptr, size_t len) |
|
2266
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
921 { |
|
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
922 #ifdef FEAT_CRYPT |
|
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
923 char_u *copy; |
|
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
924 char_u small_buf[100]; |
|
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
925 size_t i; |
|
ae2e615a7320
Fix tiny build, move functions to undo.c.
Bram Moolenaar <bram@vim.org>
parents:
2262
diff
changeset
|
926 |
| 6122 | 927 if (bi->bi_state != NULL && bi->bi_buffer == NULL) |
|
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928 { |
| 6122 | 929 /* crypting every piece of text separately */ |
| 930 if (len < 100) | |
| 931 copy = small_buf; /* no malloc()/free() for short strings */ | |
| 932 else | |
| 933 { | |
| 934 copy = lalloc(len, FALSE); | |
| 935 if (copy == NULL) | |
| 936 return 0; | |
| 937 } | |
| 938 crypt_encode(bi->bi_state, ptr, len, copy); | |
| 939 i = fwrite(copy, len, (size_t)1, bi->bi_fp); | |
| 940 if (copy != small_buf) | |
| 941 vim_free(copy); | |
| 942 return i == 1 ? OK : FAIL; | |
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943 } |
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944 #endif |
| 6122 | 945 return undo_write(bi, ptr, len); |
| 946 } | |
| 947 | |
| 948 /* | |
| 949 * Write a number, MSB first, in "len" bytes. | |
| 950 * Must match with undo_read_?c() functions. | |
| 951 * Returns OK or FAIL. | |
| 952 */ | |
| 953 static int | |
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954 undo_write_bytes(bufinfo_T *bi, long_u nr, int len) |
| 6122 | 955 { |
| 956 char_u buf[8]; | |
| 957 int i; | |
| 958 int bufi = 0; | |
| 959 | |
| 960 for (i = len - 1; i >= 0; --i) | |
| 6132 | 961 buf[bufi++] = (char_u)(nr >> (i * 8)); |
| 6122 | 962 return undo_write(bi, buf, (size_t)len); |
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963 } |
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964 |
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965 /* |
| 6122 | 966 * Write the pointer to an undo header. Instead of writing the pointer itself |
| 967 * we use the sequence number of the header. This is converted back to | |
| 968 * pointers when reading. */ | |
| 969 static void | |
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970 put_header_ptr(bufinfo_T *bi, u_header_T *uhp) |
| 6122 | 971 { |
| 972 undo_write_bytes(bi, (long_u)(uhp != NULL ? uhp->uh_seq : 0), 4); | |
| 973 } | |
| 974 | |
| 975 static int | |
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976 undo_read_4c(bufinfo_T *bi) |
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977 { |
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978 #ifdef FEAT_CRYPT |
| 6122 | 979 if (bi->bi_buffer != NULL) |
| 980 { | |
| 981 char_u buf[4]; | |
| 982 int n; | |
| 983 | |
| 984 undo_read(bi, buf, (size_t)4); | |
| 6216 | 985 n = ((unsigned)buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3]; |
| 6122 | 986 return n; |
| 987 } | |
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988 #endif |
| 6122 | 989 return get4c(bi->bi_fp); |
| 990 } | |
| 991 | |
| 992 static int | |
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993 undo_read_2c(bufinfo_T *bi) |
| 6122 | 994 { |
| 995 #ifdef FEAT_CRYPT | |
| 996 if (bi->bi_buffer != NULL) | |
| 997 { | |
| 998 char_u buf[2]; | |
| 999 int n; | |
| 1000 | |
| 1001 undo_read(bi, buf, (size_t)2); | |
| 1002 n = (buf[0] << 8) + buf[1]; | |
| 1003 return n; | |
| 1004 } | |
| 1005 #endif | |
| 1006 return get2c(bi->bi_fp); | |
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1007 } |
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1008 |
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1009 static int |
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1010 undo_read_byte(bufinfo_T *bi) |
| 6122 | 1011 { |
| 1012 #ifdef FEAT_CRYPT | |
| 1013 if (bi->bi_buffer != NULL) | |
| 1014 { | |
| 1015 char_u buf[1]; | |
| 1016 | |
| 1017 undo_read(bi, buf, (size_t)1); | |
| 1018 return buf[0]; | |
| 1019 } | |
| 1020 #endif | |
| 1021 return getc(bi->bi_fp); | |
| 1022 } | |
| 1023 | |
| 1024 static time_t | |
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1025 undo_read_time(bufinfo_T *bi) |
| 6122 | 1026 { |
| 1027 #ifdef FEAT_CRYPT | |
| 1028 if (bi->bi_buffer != NULL) | |
| 1029 { | |
| 1030 char_u buf[8]; | |
| 1031 time_t n = 0; | |
| 1032 int i; | |
| 1033 | |
| 1034 undo_read(bi, buf, (size_t)8); | |
| 1035 for (i = 0; i < 8; ++i) | |
| 1036 n = (n << 8) + buf[i]; | |
| 1037 return n; | |
| 1038 } | |
| 1039 #endif | |
| 1040 return get8ctime(bi->bi_fp); | |
| 1041 } | |
| 1042 | |
| 1043 /* | |
| 1044 * Read "buffer[size]" from the undo file. | |
| 1045 * Return OK or FAIL. | |
| 1046 */ | |
| 1047 static int | |
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1048 undo_read(bufinfo_T *bi, char_u *buffer, size_t size) |
| 6122 | 1049 { |
|
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1050 int retval = OK; |
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1051 |
| 6122 | 1052 #ifdef FEAT_CRYPT |
| 1053 if (bi->bi_buffer != NULL) | |
| 1054 { | |
| 6132 | 1055 int size_todo = (int)size; |
| 6122 | 1056 char_u *p = buffer; |
| 1057 | |
| 1058 while (size_todo > 0) | |
| 1059 { | |
| 1060 size_t n; | |
| 1061 | |
| 1062 if (bi->bi_used >= bi->bi_avail) | |
| 1063 { | |
| 1064 n = fread(bi->bi_buffer, 1, (size_t)CRYPT_BUF_SIZE, bi->bi_fp); | |
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1065 if (n == 0) |
| 6122 | 1066 { |
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1067 retval = FAIL; |
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1068 break; |
| 6122 | 1069 } |
| 1070 bi->bi_avail = n; | |
| 1071 bi->bi_used = 0; | |
| 1072 crypt_decode_inplace(bi->bi_state, bi->bi_buffer, bi->bi_avail); | |
| 1073 } | |
| 1074 n = size_todo; | |
| 1075 if (n > bi->bi_avail - bi->bi_used) | |
| 1076 n = bi->bi_avail - bi->bi_used; | |
| 1077 mch_memmove(p, bi->bi_buffer + bi->bi_used, n); | |
| 1078 bi->bi_used += n; | |
| 6132 | 1079 size_todo -= (int)n; |
| 6122 | 1080 p += n; |
| 1081 } | |
| 1082 } | |
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1083 else |
| 6122 | 1084 #endif |
| 1085 if (fread(buffer, (size_t)size, 1, bi->bi_fp) != 1) | |
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1086 retval = FAIL; |
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1087 |
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1088 if (retval == FAIL) |
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1089 /* Error may be checked for only later. Fill with zeros, |
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1090 * so that the reader won't use garbage. */ |
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1091 vim_memset(buffer, 0, size); |
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1092 return retval; |
| 6122 | 1093 } |
| 1094 | |
| 1095 /* | |
| 1096 * Read a string of length "len" from "bi->bi_fd". | |
| 1097 * "len" can be zero to allocate an empty line. | |
| 1098 * Decrypt the bytes if needed. | |
| 1099 * Append a NUL. | |
| 1100 * Returns a pointer to allocated memory or NULL for failure. | |
| 1101 */ | |
| 1102 static char_u * | |
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1103 read_string_decrypt(bufinfo_T *bi, int len) |
| 6122 | 1104 { |
| 1105 char_u *ptr = alloc((unsigned)len + 1); | |
| 1106 | |
| 1107 if (ptr != NULL) | |
| 1108 { | |
| 1109 if (len > 0 && undo_read(bi, ptr, len) == FAIL) | |
| 1110 { | |
| 1111 vim_free(ptr); | |
| 1112 return NULL; | |
| 1113 } | |
| 1114 ptr[len] = NUL; | |
| 1115 #ifdef FEAT_CRYPT | |
| 1116 if (bi->bi_state != NULL && bi->bi_buffer == NULL) | |
| 1117 crypt_decode_inplace(bi->bi_state, ptr, len); | |
| 1118 #endif | |
| 1119 } | |
| 1120 return ptr; | |
| 1121 } | |
| 1122 | |
| 1123 /* | |
| 1124 * Writes the (not encrypted) header and initializes encryption if needed. | |
| 1125 */ | |
| 1126 static int | |
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1127 serialize_header(bufinfo_T *bi, char_u *hash) |
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1128 { |
| 6122 | 1129 int len; |
| 1130 buf_T *buf = bi->bi_buf; | |
| 1131 FILE *fp = bi->bi_fp; | |
| 1132 char_u time_buf[8]; | |
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1133 |
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1134 /* Start writing, first the magic marker and undo info version. */ |
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1135 if (fwrite(UF_START_MAGIC, (size_t)UF_START_MAGIC_LEN, (size_t)1, fp) != 1) |
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1136 return FAIL; |
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1137 |
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1138 /* If the buffer is encrypted then all text bytes following will be |
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1139 * encrypted. Numbers and other info is not crypted. */ |
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1140 #ifdef FEAT_CRYPT |
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1141 if (*buf->b_p_key != NUL) |
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1142 { |
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1143 char_u *header; |
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1144 int header_len; |
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1145 |
| 6122 | 1146 undo_write_bytes(bi, (long_u)UF_VERSION_CRYPT, 2); |
| 1147 bi->bi_state = crypt_create_for_writing(crypt_get_method_nr(buf), | |
| 1148 buf->b_p_key, &header, &header_len); | |
| 1149 if (bi->bi_state == NULL) | |
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1150 return FAIL; |
|
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1151 len = (int)fwrite(header, (size_t)header_len, (size_t)1, fp); |
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1152 vim_free(header); |
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1153 if (len != 1) |
| 2267 | 1154 { |
| 6122 | 1155 crypt_free_state(bi->bi_state); |
| 1156 bi->bi_state = NULL; | |
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1157 return FAIL; |
| 2267 | 1158 } |
| 6122 | 1159 |
| 1160 if (crypt_whole_undofile(crypt_get_method_nr(buf))) | |
| 1161 { | |
| 1162 bi->bi_buffer = alloc(CRYPT_BUF_SIZE); | |
| 1163 if (bi->bi_buffer == NULL) | |
| 1164 { | |
| 1165 crypt_free_state(bi->bi_state); | |
| 1166 bi->bi_state = NULL; | |
| 1167 return FAIL; | |
| 1168 } | |
| 1169 bi->bi_used = 0; | |
| 1170 } | |
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1171 } |
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1172 else |
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1173 #endif |
| 6122 | 1174 undo_write_bytes(bi, (long_u)UF_VERSION, 2); |
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1175 |
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1176 |
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1177 /* Write a hash of the buffer text, so that we can verify it is still the |
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1178 * same when reading the buffer text. */ |
| 6122 | 1179 if (undo_write(bi, hash, (size_t)UNDO_HASH_SIZE) == FAIL) |
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1180 return FAIL; |
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1181 |
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1182 /* buffer-specific data */ |
| 6122 | 1183 undo_write_bytes(bi, (long_u)buf->b_ml.ml_line_count, 4); |
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1184 len = buf->b_u_line_ptr != NULL ? (int)STRLEN(buf->b_u_line_ptr) : 0; |
| 6122 | 1185 undo_write_bytes(bi, (long_u)len, 4); |
| 1186 if (len > 0 && fwrite_crypt(bi, buf->b_u_line_ptr, (size_t)len) == FAIL) | |
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1187 return FAIL; |
| 6122 | 1188 undo_write_bytes(bi, (long_u)buf->b_u_line_lnum, 4); |
| 1189 undo_write_bytes(bi, (long_u)buf->b_u_line_colnr, 4); | |
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1190 |
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1191 /* Undo structures header data */ |
| 6122 | 1192 put_header_ptr(bi, buf->b_u_oldhead); |
| 1193 put_header_ptr(bi, buf->b_u_newhead); | |
| 1194 put_header_ptr(bi, buf->b_u_curhead); | |
| 1195 | |
| 1196 undo_write_bytes(bi, (long_u)buf->b_u_numhead, 4); | |
| 1197 undo_write_bytes(bi, (long_u)buf->b_u_seq_last, 4); | |
| 1198 undo_write_bytes(bi, (long_u)buf->b_u_seq_cur, 4); | |
| 1199 time_to_bytes(buf->b_u_time_cur, time_buf); | |
| 1200 undo_write(bi, time_buf, 8); | |
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1201 |
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|
1202 /* Optional fields. */ |
| 6122 | 1203 undo_write_bytes(bi, 4, 1); |
| 1204 undo_write_bytes(bi, UF_LAST_SAVE_NR, 1); | |
| 1205 undo_write_bytes(bi, (long_u)buf->b_u_save_nr_last, 4); | |
| 1206 | |
| 1207 undo_write_bytes(bi, 0, 1); /* end marker */ | |
|
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1208 |
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1209 return OK; |
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1210 } |
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1211 |
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|
1212 static int |
|
7835
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diff
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|
1213 serialize_uhp(bufinfo_T *bi, u_header_T *uhp) |
|
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1214 { |
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1215 int i; |
|
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|
1216 u_entry_T *uep; |
| 6122 | 1217 char_u time_buf[8]; |
| 1218 | |
| 1219 if (undo_write_bytes(bi, (long_u)UF_HEADER_MAGIC, 2) == FAIL) | |
|
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1220 return FAIL; |
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1221 |
| 6122 | 1222 put_header_ptr(bi, uhp->uh_next.ptr); |
| 1223 put_header_ptr(bi, uhp->uh_prev.ptr); | |
| 1224 put_header_ptr(bi, uhp->uh_alt_next.ptr); | |
| 1225 put_header_ptr(bi, uhp->uh_alt_prev.ptr); | |
| 1226 undo_write_bytes(bi, uhp->uh_seq, 4); | |
| 1227 serialize_pos(bi, uhp->uh_cursor); | |
|
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|
1228 #ifdef FEAT_VIRTUALEDIT |
| 6122 | 1229 undo_write_bytes(bi, (long_u)uhp->uh_cursor_vcol, 4); |
|
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|
1230 #else |
| 6122 | 1231 undo_write_bytes(bi, (long_u)0, 4); |
|
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1232 #endif |
| 6122 | 1233 undo_write_bytes(bi, (long_u)uhp->uh_flags, 2); |
|
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1234 /* Assume NMARKS will stay the same. */ |
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|
1235 for (i = 0; i < NMARKS; ++i) |
| 6122 | 1236 serialize_pos(bi, uhp->uh_namedm[i]); |
| 1237 serialize_visualinfo(bi, &uhp->uh_visual); | |
| 1238 time_to_bytes(uhp->uh_time, time_buf); | |
| 1239 undo_write(bi, time_buf, 8); | |
|
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1240 |
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1241 /* Optional fields. */ |
| 6122 | 1242 undo_write_bytes(bi, 4, 1); |
| 1243 undo_write_bytes(bi, UHP_SAVE_NR, 1); | |
| 1244 undo_write_bytes(bi, (long_u)uhp->uh_save_nr, 4); | |
| 1245 | |
| 1246 undo_write_bytes(bi, 0, 1); /* end marker */ | |
|
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1247 |
|
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1248 /* Write all the entries. */ |
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1249 for (uep = uhp->uh_entry; uep != NULL; uep = uep->ue_next) |
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1250 { |
| 6122 | 1251 undo_write_bytes(bi, (long_u)UF_ENTRY_MAGIC, 2); |
| 1252 if (serialize_uep(bi, uep) == FAIL) | |
|
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1253 return FAIL; |
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1254 } |
| 6122 | 1255 undo_write_bytes(bi, (long_u)UF_ENTRY_END_MAGIC, 2); |
|
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1256 return OK; |
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1257 } |
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1258 |
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|
1259 static u_header_T * |
|
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|
1260 unserialize_uhp(bufinfo_T *bi, char_u *file_name) |
|
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1261 { |
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1262 u_header_T *uhp; |
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1263 int i; |
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1264 u_entry_T *uep, *last_uep; |
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1265 int c; |
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1266 int error; |
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1267 |
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1268 uhp = (u_header_T *)U_ALLOC_LINE(sizeof(u_header_T)); |
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1269 if (uhp == NULL) |
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1270 return NULL; |
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1271 vim_memset(uhp, 0, sizeof(u_header_T)); |
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1272 #ifdef U_DEBUG |
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1273 uhp->uh_magic = UH_MAGIC; |
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1274 #endif |
| 6122 | 1275 uhp->uh_next.seq = undo_read_4c(bi); |
| 1276 uhp->uh_prev.seq = undo_read_4c(bi); | |
| 1277 uhp->uh_alt_next.seq = undo_read_4c(bi); | |
| 1278 uhp->uh_alt_prev.seq = undo_read_4c(bi); | |
| 1279 uhp->uh_seq = undo_read_4c(bi); | |
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1280 if (uhp->uh_seq <= 0) |
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1281 { |
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1282 corruption_error("uh_seq", file_name); |
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1283 vim_free(uhp); |
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1284 return NULL; |
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1285 } |
| 6122 | 1286 unserialize_pos(bi, &uhp->uh_cursor); |
|
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1287 #ifdef FEAT_VIRTUALEDIT |
| 6122 | 1288 uhp->uh_cursor_vcol = undo_read_4c(bi); |
|
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1289 #else |
| 6122 | 1290 (void)undo_read_4c(bi); |
|
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1291 #endif |
| 6122 | 1292 uhp->uh_flags = undo_read_2c(bi); |
|
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1293 for (i = 0; i < NMARKS; ++i) |
| 6122 | 1294 unserialize_pos(bi, &uhp->uh_namedm[i]); |
| 1295 unserialize_visualinfo(bi, &uhp->uh_visual); | |
| 1296 uhp->uh_time = undo_read_time(bi); | |
|
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1297 |
|
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1298 /* Optional fields. */ |
|
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1299 for (;;) |
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1300 { |
| 6122 | 1301 int len = undo_read_byte(bi); |
|
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1302 int what; |
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1303 |
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1304 if (len == 0) |
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1305 break; |
| 6122 | 1306 what = undo_read_byte(bi); |
|
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1307 switch (what) |
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1308 { |
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1309 case UHP_SAVE_NR: |
| 6122 | 1310 uhp->uh_save_nr = undo_read_4c(bi); |
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1311 break; |
|
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1312 default: |
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1313 /* field not supported, skip */ |
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1314 while (--len >= 0) |
| 6122 | 1315 (void)undo_read_byte(bi); |
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1316 } |
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1317 } |
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1318 |
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1319 /* Unserialize the uep list. */ |
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1320 last_uep = NULL; |
| 6122 | 1321 while ((c = undo_read_2c(bi)) == UF_ENTRY_MAGIC) |
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1322 { |
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1323 error = FALSE; |
| 6122 | 1324 uep = unserialize_uep(bi, &error, file_name); |
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1325 if (last_uep == NULL) |
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1326 uhp->uh_entry = uep; |
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1327 else |
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1328 last_uep->ue_next = uep; |
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1329 last_uep = uep; |
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1330 if (uep == NULL || error) |
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1331 { |
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1332 u_free_uhp(uhp); |
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1333 return NULL; |
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1334 } |
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1335 } |
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1336 if (c != UF_ENTRY_END_MAGIC) |
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1337 { |
|
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|
1338 corruption_error("entry end", file_name); |
|
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|
1339 u_free_uhp(uhp); |
|
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|
1340 return NULL; |
|
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|
1341 } |
|
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|
1342 |
|
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|
1343 return uhp; |
|
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1344 } |
|
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1345 |
|
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|
1346 /* |
| 6122 | 1347 * Serialize "uep". |
|
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1348 */ |
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|
1349 static int |
|
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|
1350 serialize_uep( |
|
4d7ce6c03fda
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|
1351 bufinfo_T *bi, |
|
4d7ce6c03fda
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|
1352 u_entry_T *uep) |
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1353 { |
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1354 int i; |
|
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1355 size_t len; |
|
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|
1356 |
| 6122 | 1357 undo_write_bytes(bi, (long_u)uep->ue_top, 4); |
| 1358 undo_write_bytes(bi, (long_u)uep->ue_bot, 4); | |
| 1359 undo_write_bytes(bi, (long_u)uep->ue_lcount, 4); | |
| 1360 undo_write_bytes(bi, (long_u)uep->ue_size, 4); | |
|
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1361 for (i = 0; i < uep->ue_size; ++i) |
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1362 { |
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|
1363 len = STRLEN(uep->ue_array[i]); |
| 6122 | 1364 if (undo_write_bytes(bi, (long_u)len, 4) == FAIL) |
|
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|
1365 return FAIL; |
| 6122 | 1366 if (len > 0 && fwrite_crypt(bi, uep->ue_array[i], len) == FAIL) |
|
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1367 return FAIL; |
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1368 } |
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1369 return OK; |
|
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1370 } |
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|
1371 |
|
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|
1372 static u_entry_T * |
|
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|
1373 unserialize_uep(bufinfo_T *bi, int *error, char_u *file_name) |
|
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1374 { |
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|
1375 int i; |
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|
1376 u_entry_T *uep; |
|
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1377 char_u **array = NULL; |
|
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|
1378 char_u *line; |
|
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|
1379 int line_len; |
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1380 |
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1381 uep = (u_entry_T *)U_ALLOC_LINE(sizeof(u_entry_T)); |
|
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1382 if (uep == NULL) |
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1383 return NULL; |
|
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1384 vim_memset(uep, 0, sizeof(u_entry_T)); |
|
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1385 #ifdef U_DEBUG |
|
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1386 uep->ue_magic = UE_MAGIC; |
|
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|
1387 #endif |
| 6122 | 1388 uep->ue_top = undo_read_4c(bi); |
| 1389 uep->ue_bot = undo_read_4c(bi); | |
| 1390 uep->ue_lcount = undo_read_4c(bi); | |
| 1391 uep->ue_size = undo_read_4c(bi); | |
|
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1392 if (uep->ue_size > 0) |
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1393 { |
|
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1394 if (uep->ue_size < LONG_MAX / (int)sizeof(char_u *)) |
|
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|
1395 array = (char_u **)U_ALLOC_LINE(sizeof(char_u *) * uep->ue_size); |
|
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1396 if (array == NULL) |
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1397 { |
|
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1398 *error = TRUE; |
|
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|
1399 return uep; |
|
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|
1400 } |
|
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|
1401 vim_memset(array, 0, sizeof(char_u *) * uep->ue_size); |
|
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|
1402 } |
|
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|
1403 uep->ue_array = array; |
|
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|
1404 |
|
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|
1405 for (i = 0; i < uep->ue_size; ++i) |
|
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|
1406 { |
| 6122 | 1407 line_len = undo_read_4c(bi); |
|
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|
1408 if (line_len >= 0) |
| 6122 | 1409 line = read_string_decrypt(bi, line_len); |
|
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|
1410 else |
|
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|
1411 { |
|
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|
1412 line = NULL; |
|
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|
1413 corruption_error("line length", file_name); |
|
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|
1414 } |
|
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|
1415 if (line == NULL) |
|
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|
1416 { |
|
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|
1417 *error = TRUE; |
|
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|
1418 return uep; |
|
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|
1419 } |
|
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|
1420 array[i] = line; |
|
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|
1421 } |
|
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|
1422 return uep; |
|
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|
1423 } |
|
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|
1424 |
|
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|
1425 /* |
| 6122 | 1426 * Serialize "pos". |
|
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|
1427 */ |
|
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|
1428 static void |
|
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|
1429 serialize_pos(bufinfo_T *bi, pos_T pos) |
|
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|
1430 { |
| 6122 | 1431 undo_write_bytes(bi, (long_u)pos.lnum, 4); |
| 1432 undo_write_bytes(bi, (long_u)pos.col, 4); | |
|
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|
1433 #ifdef FEAT_VIRTUALEDIT |
| 6122 | 1434 undo_write_bytes(bi, (long_u)pos.coladd, 4); |
|
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|
1435 #else |
| 6122 | 1436 undo_write_bytes(bi, (long_u)0, 4); |
|
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|
1437 #endif |
|
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1438 } |
|
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|
1439 |
|
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|
1440 /* |
| 6122 | 1441 * Unserialize the pos_T at the current position. |
|
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|
1442 */ |
|
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|
1443 static void |
|
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|
1444 unserialize_pos(bufinfo_T *bi, pos_T *pos) |
|
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|
1445 { |
| 6122 | 1446 pos->lnum = undo_read_4c(bi); |
|
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|
1447 if (pos->lnum < 0) |
|
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|
1448 pos->lnum = 0; |
| 6122 | 1449 pos->col = undo_read_4c(bi); |
|
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|
1450 if (pos->col < 0) |
|
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|
1451 pos->col = 0; |
|
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|
1452 #ifdef FEAT_VIRTUALEDIT |
| 6122 | 1453 pos->coladd = undo_read_4c(bi); |
|
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|
1454 if (pos->coladd < 0) |
|
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|
1455 pos->coladd = 0; |
|
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|
1456 #else |
| 6122 | 1457 (void)undo_read_4c(bi); |
|
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|
1458 #endif |
|
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|
1459 } |
|
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|
1460 |
|
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|
1461 /* |
| 6122 | 1462 * Serialize "info". |
|
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|
1463 */ |
|
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|
1464 static void |
|
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diff
changeset
|
1465 serialize_visualinfo(bufinfo_T *bi, visualinfo_T *info) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1466 { |
| 6122 | 1467 serialize_pos(bi, info->vi_start); |
| 1468 serialize_pos(bi, info->vi_end); | |
| 1469 undo_write_bytes(bi, (long_u)info->vi_mode, 4); | |
| 1470 undo_write_bytes(bi, (long_u)info->vi_curswant, 4); | |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1471 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1472 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1473 /* |
| 6122 | 1474 * Unserialize the visualinfo_T at the current position. |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1475 */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1476 static void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1477 unserialize_visualinfo(bufinfo_T *bi, visualinfo_T *info) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1478 { |
| 6122 | 1479 unserialize_pos(bi, &info->vi_start); |
| 1480 unserialize_pos(bi, &info->vi_end); | |
| 1481 info->vi_mode = undo_read_4c(bi); | |
| 1482 info->vi_curswant = undo_read_4c(bi); | |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1483 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1484 |
|
aa6412cab544
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diff
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|
1485 /* |
|
aa6412cab544
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1486 * Write the undo tree in an undo file. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1487 * When "name" is not NULL, use it as the name of the undo file. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
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diff
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|
1488 * Otherwise use buf->b_ffname to generate the undo file name. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
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|
1489 * "buf" must never be null, buf->b_ffname is used to obtain the original file |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1490 * permissions. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
1491 * "forceit" is TRUE for ":wundo!", FALSE otherwise. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
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|
1492 * "hash[UNDO_HASH_SIZE]" must be the hash value of the buffer text. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
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diff
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|
1493 */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
1494 void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1495 u_write_undo( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1496 char_u *name, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1497 int forceit, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1498 buf_T *buf, |
|
4d7ce6c03fda
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1499 char_u *hash) |
|
2231
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Bram Moolenaar <bram@vim.org>
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2230
diff
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|
1500 { |
|
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Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1501 u_header_T *uhp; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1502 char_u *file_name; |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1503 int mark; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
2230
diff
changeset
|
1504 #ifdef U_DEBUG |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1505 int headers_written = 0; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1506 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
2230
diff
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|
1507 int fd; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
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diff
changeset
|
1508 FILE *fp = NULL; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
1509 int perm; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
2230
diff
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|
1510 int write_ok = FALSE; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1511 #ifdef UNIX |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
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parents:
2230
diff
changeset
|
1512 int st_old_valid = FALSE; |
|
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8568
diff
changeset
|
1513 stat_T st_old; |
|
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8568
diff
changeset
|
1514 stat_T st_new; |
|
2231
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Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1515 #endif |
| 6122 | 1516 bufinfo_T bi; |
| 1517 | |
| 6128 | 1518 vim_memset(&bi, 0, sizeof(bi)); |
|
2231
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Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1519 |
|
aa6412cab544
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Bram Moolenaar <bram@vim.org>
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2230
diff
changeset
|
1520 if (name == NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
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|
1521 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1522 file_name = u_get_undo_file_name(buf->b_ffname, FALSE); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1523 if (file_name == NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
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diff
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|
1524 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1525 if (p_verbose > 0) |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1526 { |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1527 verbose_enter(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1528 smsg((char_u *) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
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|
1529 _("Cannot write undo file in any directory in 'undodir'")); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1530 verbose_leave(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1531 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1532 return; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
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|
1533 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1534 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1535 else |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1536 file_name = name; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1537 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1538 /* |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1539 * Decide about the permission to use for the undo file. If the buffer |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1540 * has a name use the permission of the original file. Otherwise only |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1541 * allow the user to access the undo file. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1542 */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1543 perm = 0600; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1544 if (buf->b_ffname != NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1545 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1546 #ifdef UNIX |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1547 if (mch_stat((char *)buf->b_ffname, &st_old) >= 0) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1548 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1549 perm = st_old.st_mode; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1550 st_old_valid = TRUE; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1551 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1552 #else |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1553 perm = mch_getperm(buf->b_ffname); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1554 if (perm < 0) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1555 perm = 0600; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1556 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1557 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1558 |
| 6771 | 1559 /* strip any s-bit and executable bit */ |
| 1560 perm = perm & 0666; | |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1561 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1562 /* If the undo file already exists, verify that it actually is an undo |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1563 * file, and delete it. */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1564 if (mch_getperm(file_name) >= 0) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1565 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1566 if (name == NULL || !forceit) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1567 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1568 /* Check we can read it and it's an undo file. */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1569 fd = mch_open((char *)file_name, O_RDONLY|O_EXTRA, 0); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1570 if (fd < 0) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1571 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1572 if (name != NULL || p_verbose > 0) |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1573 { |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1574 if (name == NULL) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1575 verbose_enter(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1576 smsg((char_u *) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1577 _("Will not overwrite with undo file, cannot read: %s"), |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1578 file_name); |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1579 if (name == NULL) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1580 verbose_leave(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1581 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1582 goto theend; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1583 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1584 else |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1585 { |
|
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1586 char_u mbuf[UF_START_MAGIC_LEN]; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1587 int len; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1588 |
| 2664 | 1589 len = read_eintr(fd, mbuf, UF_START_MAGIC_LEN); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1590 close(fd); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1591 if (len < UF_START_MAGIC_LEN |
|
2271
2b33a7678e7b
Fix compiler warnings for shadowed variables. Make 'conceal' a long instead
Bram Moolenaar <bram@vim.org>
parents:
2267
diff
changeset
|
1592 || memcmp(mbuf, UF_START_MAGIC, UF_START_MAGIC_LEN) != 0) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1593 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1594 if (name != NULL || p_verbose > 0) |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1595 { |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1596 if (name == NULL) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1597 verbose_enter(); |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1598 smsg((char_u *) |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1599 _("Will not overwrite, this is not an undo file: %s"), |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1600 file_name); |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1601 if (name == NULL) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1602 verbose_leave(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1603 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1604 goto theend; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1605 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1606 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1607 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1608 mch_remove(file_name); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1609 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1610 |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1611 /* If there is no undo information at all, quit here after deleting any |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1612 * existing undo file. */ |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1613 if (buf->b_u_numhead == 0 && buf->b_u_line_ptr == NULL) |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1614 { |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1615 if (p_verbose > 0) |
| 2262 | 1616 verb_msg((char_u *)_("Skipping undo file write, nothing to undo")); |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1617 goto theend; |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1618 } |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1619 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1620 fd = mch_open((char *)file_name, |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1621 O_CREAT|O_EXTRA|O_WRONLY|O_EXCL|O_NOFOLLOW, perm); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1622 if (fd < 0) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1623 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1624 EMSG2(_(e_not_open), file_name); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1625 goto theend; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1626 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1627 (void)mch_setperm(file_name, perm); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1628 if (p_verbose > 0) |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1629 { |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1630 verbose_enter(); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1631 smsg((char_u *)_("Writing undo file: %s"), file_name); |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1632 verbose_leave(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1633 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1634 |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1635 #ifdef U_DEBUG |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1636 /* Check there is no problem in undo info before writing. */ |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1637 u_check(FALSE); |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1638 #endif |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1639 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1640 #ifdef UNIX |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1641 /* |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1642 * Try to set the group of the undo file same as the original file. If |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1643 * this fails, set the protection bits for the group same as the |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1644 * protection bits for others. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1645 */ |
|
2367
76b7ba68a098
Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents:
2348
diff
changeset
|
1646 if (st_old_valid |
|
76b7ba68a098
Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents:
2348
diff
changeset
|
1647 && mch_stat((char *)file_name, &st_new) >= 0 |
|
76b7ba68a098
Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents:
2348
diff
changeset
|
1648 && st_new.st_gid != st_old.st_gid |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1649 # ifdef HAVE_FCHOWN /* sequent-ptx lacks fchown() */ |
|
2367
76b7ba68a098
Fix build problem when fchown() not available. (Gary Johnson)
Bram Moolenaar <bram@vim.org>
parents:
2348
diff
changeset
|
1650 && fchown(fd, (uid_t)-1, st_old.st_gid) != 0 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1651 # endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1652 ) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1653 mch_setperm(file_name, (perm & 0707) | ((perm & 07) << 3)); |
| 5788 | 1654 # if defined(HAVE_SELINUX) || defined(HAVE_SMACK) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1655 if (buf->b_ffname != NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1656 mch_copy_sec(buf->b_ffname, file_name); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1657 # endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1658 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1659 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1660 fp = fdopen(fd, "w"); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1661 if (fp == NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1662 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1663 EMSG2(_(e_not_open), file_name); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1664 close(fd); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1665 mch_remove(file_name); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1666 goto theend; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1667 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1668 |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1669 /* Undo must be synced. */ |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1670 u_sync(TRUE); |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1671 |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1672 /* |
| 6122 | 1673 * Write the header. Initializes encryption, if enabled. |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1674 */ |
| 6122 | 1675 bi.bi_buf = buf; |
| 1676 bi.bi_fp = fp; | |
| 1677 if (serialize_header(&bi, hash) == FAIL) | |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1678 goto write_error; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1679 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1680 /* |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1681 * Iteratively serialize UHPs and their UEPs from the top down. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1682 */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1683 mark = ++lastmark; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1684 uhp = buf->b_u_oldhead; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1685 while (uhp != NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1686 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1687 /* Serialize current UHP if we haven't seen it */ |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1688 if (uhp->uh_walk != mark) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1689 { |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1690 uhp->uh_walk = mark; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1691 #ifdef U_DEBUG |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1692 ++headers_written; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1693 #endif |
| 6122 | 1694 if (serialize_uhp(&bi, uhp) == FAIL) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1695 goto write_error; |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1696 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1697 |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1698 /* Now walk through the tree - algorithm from undo_time(). */ |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1699 if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != mark) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1700 uhp = uhp->uh_prev.ptr; |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1701 else if (uhp->uh_alt_next.ptr != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
1702 && uhp->uh_alt_next.ptr->uh_walk != mark) |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1703 uhp = uhp->uh_alt_next.ptr; |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1704 else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
1705 && uhp->uh_next.ptr->uh_walk != mark) |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1706 uhp = uhp->uh_next.ptr; |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1707 else if (uhp->uh_alt_prev.ptr != NULL) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1708 uhp = uhp->uh_alt_prev.ptr; |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1709 else |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1710 uhp = uhp->uh_next.ptr; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1711 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1712 |
| 6122 | 1713 if (undo_write_bytes(&bi, (long_u)UF_HEADER_END_MAGIC, 2) == OK) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1714 write_ok = TRUE; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1715 #ifdef U_DEBUG |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1716 if (headers_written != buf->b_u_numhead) |
|
4827
60301d4d1682
updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents:
4303
diff
changeset
|
1717 { |
|
60301d4d1682
updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents:
4303
diff
changeset
|
1718 EMSGN("Written %ld headers, ...", headers_written); |
|
60301d4d1682
updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents:
4303
diff
changeset
|
1719 EMSGN("... but numhead is %ld", buf->b_u_numhead); |
|
60301d4d1682
updated for version 7.3.1160
Bram Moolenaar <bram@vim.org>
parents:
4303
diff
changeset
|
1720 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1721 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1722 |
| 6122 | 1723 #ifdef FEAT_CRYPT |
| 1724 if (bi.bi_state != NULL && undo_flush(&bi) == FAIL) | |
| 1725 write_ok = FALSE; | |
| 1726 #endif | |
| 1727 | |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1728 write_error: |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1729 fclose(fp); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1730 if (!write_ok) |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1731 EMSG2(_("E829: write error in undo file: %s"), file_name); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1732 |
|
12716
351cf7c67bbe
patch 8.0.1236: Mac features are confusing
Christian Brabandt <cb@256bit.org>
parents:
12293
diff
changeset
|
1733 #if defined(WIN3264) |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1734 /* Copy file attributes; for systems where this can only be done after |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1735 * closing the file. */ |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1736 if (buf->b_ffname != NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1737 (void)mch_copy_file_attribute(buf->b_ffname, file_name); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1738 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1739 #ifdef HAVE_ACL |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1740 if (buf->b_ffname != NULL) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1741 { |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1742 vim_acl_T acl; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1743 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1744 /* For systems that support ACL: get the ACL from the original file. */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1745 acl = mch_get_acl(buf->b_ffname); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1746 mch_set_acl(file_name, acl); |
| 3545 | 1747 mch_free_acl(acl); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1748 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1749 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1750 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1751 theend: |
| 2267 | 1752 #ifdef FEAT_CRYPT |
| 6122 | 1753 if (bi.bi_state != NULL) |
| 1754 crypt_free_state(bi.bi_state); | |
| 1755 vim_free(bi.bi_buffer); | |
| 2267 | 1756 #endif |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1757 if (file_name != name) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1758 vim_free(file_name); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1759 } |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1760 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1761 /* |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1762 * Load the undo tree from an undo file. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1763 * If "name" is not NULL use it as the undo file name. This also means being |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1764 * a bit more verbose. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1765 * Otherwise use curbuf->b_ffname to generate the undo file name. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1766 * "hash[UNDO_HASH_SIZE]" must be the hash value of the buffer text. |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1767 */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1768 void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
1769 u_read_undo(char_u *name, char_u *hash, char_u *orig_name) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1770 { |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1771 char_u *file_name; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1772 FILE *fp; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1773 long version, str_len; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1774 char_u *line_ptr = NULL; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1775 linenr_T line_lnum; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1776 colnr_T line_colnr; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1777 linenr_T line_count; |
|
10976
f97a72ad8ffa
patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents:
10631
diff
changeset
|
1778 long num_head = 0; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1779 long old_header_seq, new_header_seq, cur_header_seq; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1780 long seq_last, seq_cur; |
|
2282
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
1781 long last_save_nr = 0; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1782 short old_idx = -1, new_idx = -1, cur_idx = -1; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1783 long num_read_uhps = 0; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1784 time_t seq_time; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1785 int i, j; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1786 int c; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1787 u_header_T *uhp; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1788 u_header_T **uhp_table = NULL; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1789 char_u read_hash[UNDO_HASH_SIZE]; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1790 char_u magic_buf[UF_START_MAGIC_LEN]; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1791 #ifdef U_DEBUG |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1792 int *uhp_table_used; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1793 #endif |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1794 #ifdef UNIX |
|
9387
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8568
diff
changeset
|
1795 stat_T st_orig; |
|
f094d4085014
commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe
Christian Brabandt <cb@256bit.org>
parents:
8568
diff
changeset
|
1796 stat_T st_undo; |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1797 #endif |
| 6122 | 1798 bufinfo_T bi; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1799 |
| 6128 | 1800 vim_memset(&bi, 0, sizeof(bi)); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1801 if (name == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1802 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1803 file_name = u_get_undo_file_name(curbuf->b_ffname, TRUE); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1804 if (file_name == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1805 return; |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1806 |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1807 #ifdef UNIX |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1808 /* For safety we only read an undo file if the owner is equal to the |
| 5343 | 1809 * owner of the text file or equal to the current user. */ |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1810 if (mch_stat((char *)orig_name, &st_orig) >= 0 |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1811 && mch_stat((char *)file_name, &st_undo) >= 0 |
| 5343 | 1812 && st_orig.st_uid != st_undo.st_uid |
| 1813 && st_undo.st_uid != getuid()) | |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1814 { |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1815 if (p_verbose > 0) |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1816 { |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1817 verbose_enter(); |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1818 smsg((char_u *)_("Not reading undo file, owner differs: %s"), |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1819 file_name); |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1820 verbose_leave(); |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1821 } |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1822 return; |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1823 } |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1824 #endif |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1825 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1826 else |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1827 file_name = name; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1828 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1829 if (p_verbose > 0) |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1830 { |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1831 verbose_enter(); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1832 smsg((char_u *)_("Reading undo file: %s"), file_name); |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1833 verbose_leave(); |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1834 } |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1835 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1836 fp = mch_fopen((char *)file_name, "r"); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1837 if (fp == NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1838 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1839 if (name != NULL || p_verbose > 0) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1840 EMSG2(_("E822: Cannot open undo file for reading: %s"), file_name); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1841 goto error; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1842 } |
| 6122 | 1843 bi.bi_buf = curbuf; |
| 1844 bi.bi_fp = fp; | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1845 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1846 /* |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1847 * Read the undo file header. |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1848 */ |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1849 if (fread(magic_buf, UF_START_MAGIC_LEN, 1, fp) != 1 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1850 || memcmp(magic_buf, UF_START_MAGIC, UF_START_MAGIC_LEN) != 0) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1851 { |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1852 EMSG2(_("E823: Not an undo file: %s"), file_name); |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1853 goto error; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1854 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1855 version = get2c(fp); |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1856 if (version == UF_VERSION_CRYPT) |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1857 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1858 #ifdef FEAT_CRYPT |
|
2251
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
2245
diff
changeset
|
1859 if (*curbuf->b_p_key == NUL) |
|
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
2245
diff
changeset
|
1860 { |
|
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
2245
diff
changeset
|
1861 EMSG2(_("E832: Non-encrypted file has encrypted undo file: %s"), |
|
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
2245
diff
changeset
|
1862 file_name); |
|
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
2245
diff
changeset
|
1863 goto error; |
|
646d34788036
Fix a few compiler warnings. Fix crash with encrypted undo file.
Bram Moolenaar <bram@vim.org>
parents:
2245
diff
changeset
|
1864 } |
| 6122 | 1865 bi.bi_state = crypt_create_from_file(fp, curbuf->b_p_key); |
| 1866 if (bi.bi_state == NULL) | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1867 { |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1868 EMSG2(_("E826: Undo file decryption failed: %s"), file_name); |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1869 goto error; |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1870 } |
| 6122 | 1871 if (crypt_whole_undofile(bi.bi_state->method_nr)) |
| 1872 { | |
| 1873 bi.bi_buffer = alloc(CRYPT_BUF_SIZE); | |
| 1874 if (bi.bi_buffer == NULL) | |
| 1875 { | |
| 1876 crypt_free_state(bi.bi_state); | |
| 1877 bi.bi_state = NULL; | |
| 1878 goto error; | |
| 1879 } | |
| 1880 bi.bi_avail = 0; | |
| 1881 bi.bi_used = 0; | |
| 1882 } | |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1883 #else |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1884 EMSG2(_("E827: Undo file is encrypted: %s"), file_name); |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1885 goto error; |
|
2239
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1886 #endif |
|
732cb7b31956
Crypt the text in the undo file if the file itself is crypted.
Bram Moolenaar <bram@vim.org>
parents:
2238
diff
changeset
|
1887 } |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1888 else if (version != UF_VERSION) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1889 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1890 EMSG2(_("E824: Incompatible undo file: %s"), file_name); |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1891 goto error; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1892 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1893 |
| 6122 | 1894 if (undo_read(&bi, read_hash, (size_t)UNDO_HASH_SIZE) == FAIL) |
|
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2223
diff
changeset
|
1895 { |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1896 corruption_error("hash", file_name); |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1897 goto error; |
|
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2223
diff
changeset
|
1898 } |
| 6122 | 1899 line_count = (linenr_T)undo_read_4c(&bi); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1900 if (memcmp(hash, read_hash, UNDO_HASH_SIZE) != 0 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1901 || line_count != curbuf->b_ml.ml_line_count) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1902 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1903 if (p_verbose > 0 || name != NULL) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1904 { |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1905 if (name == NULL) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1906 verbose_enter(); |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1907 give_warning((char_u *) |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1908 _("File contents changed, cannot use undo info"), TRUE); |
|
2235
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1909 if (name == NULL) |
|
4ba83ae8d505
Do not write an undo file if there is nothing to undo.
Bram Moolenaar <bram@vim.org>
parents:
2234
diff
changeset
|
1910 verbose_leave(); |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1911 } |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1912 goto error; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1913 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1914 |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1915 /* Read undo data for "U" command. */ |
| 6122 | 1916 str_len = undo_read_4c(&bi); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1917 if (str_len < 0) |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
1918 goto error; |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1919 if (str_len > 0) |
| 6122 | 1920 line_ptr = read_string_decrypt(&bi, str_len); |
| 1921 line_lnum = (linenr_T)undo_read_4c(&bi); | |
| 1922 line_colnr = (colnr_T)undo_read_4c(&bi); | |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1923 if (line_lnum < 0 || line_colnr < 0) |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1924 { |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1925 corruption_error("line lnum/col", file_name); |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1926 goto error; |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1927 } |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1928 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1929 /* Begin general undo data */ |
| 6122 | 1930 old_header_seq = undo_read_4c(&bi); |
| 1931 new_header_seq = undo_read_4c(&bi); | |
| 1932 cur_header_seq = undo_read_4c(&bi); | |
| 1933 num_head = undo_read_4c(&bi); | |
| 1934 seq_last = undo_read_4c(&bi); | |
| 1935 seq_cur = undo_read_4c(&bi); | |
| 1936 seq_time = undo_read_time(&bi); | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1937 |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1938 /* Optional header fields. */ |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1939 for (;;) |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1940 { |
| 6122 | 1941 int len = undo_read_byte(&bi); |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1942 int what; |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1943 |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1944 if (len == 0 || len == EOF) |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1945 break; |
| 6122 | 1946 what = undo_read_byte(&bi); |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1947 switch (what) |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
1948 { |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1949 case UF_LAST_SAVE_NR: |
| 6122 | 1950 last_save_nr = undo_read_4c(&bi); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
1951 break; |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1952 default: |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1953 /* field not supported, skip */ |
|
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1954 while (--len >= 0) |
| 6122 | 1955 (void)undo_read_byte(&bi); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
1956 } |
|
2342
f6540762173d
Fixes and improvements for MS-Windows build.
Bram Moolenaar <bram@vim.org>
parents:
2311
diff
changeset
|
1957 } |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
1958 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1959 /* uhp_table will store the freshly created undo headers we allocate |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1960 * until we insert them into curbuf. The table remains sorted by the |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1961 * sequence numbers of the headers. |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1962 * When there are no headers uhp_table is NULL. */ |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1963 if (num_head > 0) |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1964 { |
|
10976
f97a72ad8ffa
patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents:
10631
diff
changeset
|
1965 if (num_head < LONG_MAX / (long)sizeof(u_header_T *)) |
|
f97a72ad8ffa
patch 8.0.0377: possible overflow when reading corrupted undo file
Christian Brabandt <cb@256bit.org>
parents:
10631
diff
changeset
|
1966 uhp_table = (u_header_T **)U_ALLOC_LINE( |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1967 num_head * sizeof(u_header_T *)); |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1968 if (uhp_table == NULL) |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1969 goto error; |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
1970 } |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1971 |
| 6122 | 1972 while ((c = undo_read_2c(&bi)) == UF_HEADER_MAGIC) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1973 { |
|
2223
81b83a19e127
More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents:
2222
diff
changeset
|
1974 if (num_read_uhps >= num_head) |
|
81b83a19e127
More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents:
2222
diff
changeset
|
1975 { |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1976 corruption_error("num_head too small", file_name); |
|
2223
81b83a19e127
More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents:
2222
diff
changeset
|
1977 goto error; |
|
81b83a19e127
More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents:
2222
diff
changeset
|
1978 } |
|
81b83a19e127
More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents:
2222
diff
changeset
|
1979 |
| 6122 | 1980 uhp = unserialize_uhp(&bi, file_name); |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1981 if (uhp == NULL) |
|
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
1982 goto error; |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1983 uhp_table[num_read_uhps++] = uhp; |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1984 } |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1985 |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1986 if (num_read_uhps != num_head) |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1987 { |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1988 corruption_error("num_head", file_name); |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
1989 goto error; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1990 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1991 if (c != UF_HEADER_END_MAGIC) |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1992 { |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1993 corruption_error("end marker", file_name); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1994 goto error; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1995 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
1996 |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1997 #ifdef U_DEBUG |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1998 uhp_table_used = (int *)alloc_clear( |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
1999 (unsigned)(sizeof(int) * num_head + 1)); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2000 # define SET_FLAG(j) ++uhp_table_used[j] |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2001 #else |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2002 # define SET_FLAG(j) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2003 #endif |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2004 |
|
2238
3d0a7beb0d75
Made reading/writing undo info a bit more robust.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
2005 /* We have put all of the headers into a table. Now we iterate through the |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2006 * table and swizzle each sequence number we have stored in uh_*_seq into |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2007 * a pointer corresponding to the header with that sequence number. */ |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2008 for (i = 0; i < num_head; i++) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2009 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2010 uhp = uhp_table[i]; |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2011 if (uhp == NULL) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2012 continue; |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2013 for (j = 0; j < num_head; j++) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2014 if (uhp_table[j] != NULL && i != j |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2015 && uhp_table[i]->uh_seq == uhp_table[j]->uh_seq) |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2016 { |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
2017 corruption_error("duplicate uh_seq", file_name); |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2018 goto error; |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
2019 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2020 for (j = 0; j < num_head; j++) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2021 if (uhp_table[j] != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2022 && uhp_table[j]->uh_seq == uhp->uh_next.seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2023 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2024 uhp->uh_next.ptr = uhp_table[j]; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2025 SET_FLAG(j); |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2026 break; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2027 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2028 for (j = 0; j < num_head; j++) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2029 if (uhp_table[j] != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2030 && uhp_table[j]->uh_seq == uhp->uh_prev.seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2031 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2032 uhp->uh_prev.ptr = uhp_table[j]; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2033 SET_FLAG(j); |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2034 break; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2035 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2036 for (j = 0; j < num_head; j++) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2037 if (uhp_table[j] != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2038 && uhp_table[j]->uh_seq == uhp->uh_alt_next.seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2039 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2040 uhp->uh_alt_next.ptr = uhp_table[j]; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2041 SET_FLAG(j); |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2042 break; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2043 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2044 for (j = 0; j < num_head; j++) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2045 if (uhp_table[j] != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2046 && uhp_table[j]->uh_seq == uhp->uh_alt_prev.seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2047 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2048 uhp->uh_alt_prev.ptr = uhp_table[j]; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2049 SET_FLAG(j); |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2050 break; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2051 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2052 if (old_header_seq > 0 && old_idx < 0 && uhp->uh_seq == old_header_seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2053 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2054 old_idx = i; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2055 SET_FLAG(i); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2056 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2057 if (new_header_seq > 0 && new_idx < 0 && uhp->uh_seq == new_header_seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2058 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2059 new_idx = i; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2060 SET_FLAG(i); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2061 } |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2062 if (cur_header_seq > 0 && cur_idx < 0 && uhp->uh_seq == cur_header_seq) |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2063 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2064 cur_idx = i; |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2065 SET_FLAG(i); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2066 } |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2067 } |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2068 |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2069 /* Now that we have read the undo info successfully, free the current undo |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2070 * info and use the info from the file. */ |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2071 u_blockfree(curbuf); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2072 curbuf->b_u_oldhead = old_idx < 0 ? NULL : uhp_table[old_idx]; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2073 curbuf->b_u_newhead = new_idx < 0 ? NULL : uhp_table[new_idx]; |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2074 curbuf->b_u_curhead = cur_idx < 0 ? NULL : uhp_table[cur_idx]; |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2075 curbuf->b_u_line_ptr = line_ptr; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2076 curbuf->b_u_line_lnum = line_lnum; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2077 curbuf->b_u_line_colnr = line_colnr; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2078 curbuf->b_u_numhead = num_head; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2079 curbuf->b_u_seq_last = seq_last; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2080 curbuf->b_u_seq_cur = seq_cur; |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
2081 curbuf->b_u_time_cur = seq_time; |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2082 curbuf->b_u_save_nr_last = last_save_nr; |
| 2627 | 2083 curbuf->b_u_save_nr_cur = last_save_nr; |
|
2233
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
2084 |
|
43cad213cb7f
A bit of cleanup and simplification for undofile.
Bram Moolenaar <bram@vim.org>
parents:
2232
diff
changeset
|
2085 curbuf->b_u_synced = TRUE; |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
2086 vim_free(uhp_table); |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2087 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2088 #ifdef U_DEBUG |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2089 for (i = 0; i < num_head; ++i) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2090 if (uhp_table_used[i] == 0) |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2091 EMSGN("uhp_table entry %ld not used, leaking memory", i); |
|
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2092 vim_free(uhp_table_used); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2093 u_check(TRUE); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2094 #endif |
|
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2230
diff
changeset
|
2095 |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2096 if (name != NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2097 smsg((char_u *)_("Finished reading undo file %s"), file_name); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2098 goto theend; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2099 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2100 error: |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
2101 vim_free(line_ptr); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2102 if (uhp_table != NULL) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2103 { |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2104 for (i = 0; i < num_read_uhps; i++) |
|
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2105 if (uhp_table[i] != NULL) |
|
2223
81b83a19e127
More strict checks for the undo file.
Bram Moolenaar <bram@vim.org>
parents:
2222
diff
changeset
|
2106 u_free_uhp(uhp_table[i]); |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2107 vim_free(uhp_table); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2108 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2109 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2110 theend: |
| 2267 | 2111 #ifdef FEAT_CRYPT |
| 6122 | 2112 if (bi.bi_state != NULL) |
| 2113 crypt_free_state(bi.bi_state); | |
| 2114 vim_free(bi.bi_buffer); | |
| 2267 | 2115 #endif |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2116 if (fp != NULL) |
|
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2289
diff
changeset
|
2117 fclose(fp); |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2118 if (file_name != name) |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2119 vim_free(file_name); |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2120 return; |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2121 } |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2122 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2123 #endif /* FEAT_PERSISTENT_UNDO */ |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2124 |
|
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2125 |
| 7 | 2126 /* |
| 2127 * If 'cpoptions' contains 'u': Undo the previous undo or redo (vi compatible). | |
| 2128 * If 'cpoptions' does not contain 'u': Always undo. | |
| 2129 */ | |
| 2130 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2131 u_undo(int count) |
| 7 | 2132 { |
| 2133 /* | |
| 2134 * If we get an undo command while executing a macro, we behave like the | |
| 2135 * original vi. If this happens twice in one macro the result will not | |
| 2136 * be compatible. | |
| 2137 */ | |
| 2138 if (curbuf->b_u_synced == FALSE) | |
| 2139 { | |
| 825 | 2140 u_sync(TRUE); |
| 7 | 2141 count = 1; |
| 2142 } | |
| 2143 | |
| 2144 if (vim_strchr(p_cpo, CPO_UNDO) == NULL) | |
| 2145 undo_undoes = TRUE; | |
| 2146 else | |
| 2147 undo_undoes = !undo_undoes; | |
| 2148 u_doit(count); | |
| 2149 } | |
| 2150 | |
| 2151 /* | |
| 2152 * If 'cpoptions' contains 'u': Repeat the previous undo or redo. | |
| 2153 * If 'cpoptions' does not contain 'u': Always redo. | |
| 2154 */ | |
| 2155 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2156 u_redo(int count) |
| 7 | 2157 { |
| 2158 if (vim_strchr(p_cpo, CPO_UNDO) == NULL) | |
| 2159 undo_undoes = FALSE; | |
| 2160 u_doit(count); | |
| 2161 } | |
| 2162 | |
| 2163 /* | |
| 2164 * Undo or redo, depending on 'undo_undoes', 'count' times. | |
| 2165 */ | |
| 2166 static void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2167 u_doit(int startcount) |
| 7 | 2168 { |
| 777 | 2169 int count = startcount; |
| 2170 | |
| 632 | 2171 if (!undo_allowed()) |
| 7 | 2172 return; |
| 2173 | |
| 2174 u_newcount = 0; | |
| 2175 u_oldcount = 0; | |
| 179 | 2176 if (curbuf->b_ml.ml_flags & ML_EMPTY) |
| 2177 u_oldcount = -1; | |
| 7 | 2178 while (count--) |
| 2179 { | |
| 2189 | 2180 /* Do the change warning now, so that it triggers FileChangedRO when |
| 2181 * needed. This may cause the file to be reloaded, that must happen | |
| 2182 * before we do anything, because it may change curbuf->b_u_curhead | |
| 2183 * and more. */ | |
| 2184 change_warning(0); | |
| 2185 | |
| 7 | 2186 if (undo_undoes) |
| 2187 { | |
| 2188 if (curbuf->b_u_curhead == NULL) /* first undo */ | |
| 2189 curbuf->b_u_curhead = curbuf->b_u_newhead; | |
| 5446 | 2190 else if (get_undolevel() > 0) /* multi level undo */ |
| 7 | 2191 /* get next undo */ |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2192 curbuf->b_u_curhead = curbuf->b_u_curhead->uh_next.ptr; |
| 7 | 2193 /* nothing to undo */ |
| 2194 if (curbuf->b_u_numhead == 0 || curbuf->b_u_curhead == NULL) | |
| 2195 { | |
| 2196 /* stick curbuf->b_u_curhead at end */ | |
| 2197 curbuf->b_u_curhead = curbuf->b_u_oldhead; | |
| 2198 beep_flush(); | |
| 777 | 2199 if (count == startcount - 1) |
| 2200 { | |
| 2201 MSG(_("Already at oldest change")); | |
| 2202 return; | |
| 2203 } | |
| 7 | 2204 break; |
| 2205 } | |
| 2206 | |
| 777 | 2207 u_undoredo(TRUE); |
| 7 | 2208 } |
| 2209 else | |
| 2210 { | |
| 5446 | 2211 if (curbuf->b_u_curhead == NULL || get_undolevel() <= 0) |
| 7 | 2212 { |
| 2213 beep_flush(); /* nothing to redo */ | |
| 777 | 2214 if (count == startcount - 1) |
| 2215 { | |
| 2216 MSG(_("Already at newest change")); | |
| 2217 return; | |
| 2218 } | |
| 7 | 2219 break; |
| 2220 } | |
| 2221 | |
| 777 | 2222 u_undoredo(FALSE); |
| 753 | 2223 |
| 2224 /* Advance for next redo. Set "newhead" when at the end of the | |
| 2225 * redoable changes. */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2226 if (curbuf->b_u_curhead->uh_prev.ptr == NULL) |
| 753 | 2227 curbuf->b_u_newhead = curbuf->b_u_curhead; |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2228 curbuf->b_u_curhead = curbuf->b_u_curhead->uh_prev.ptr; |
| 7 | 2229 } |
| 2230 } | |
| 798 | 2231 u_undo_end(undo_undoes, FALSE); |
| 753 | 2232 } |
| 2233 | |
| 2234 /* | |
| 2235 * Undo or redo over the timeline. | |
| 2236 * When "step" is negative go back in time, otherwise goes forward in time. | |
| 758 | 2237 * When "sec" is FALSE make "step" steps, when "sec" is TRUE use "step" as |
| 2238 * seconds. | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2239 * When "file" is TRUE use "step" as a number of file writes. |
| 772 | 2240 * When "absolute" is TRUE use "step" as the sequence number to jump to. |
| 2241 * "sec" must be FALSE then. | |
| 753 | 2242 */ |
| 2243 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2244 undo_time( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2245 long step, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2246 int sec, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2247 int file, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2248 int absolute) |
| 753 | 2249 { |
| 2250 long target; | |
| 2251 long closest; | |
| 758 | 2252 long closest_start; |
| 2253 long closest_seq = 0; | |
| 2254 long val; | |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2255 u_header_T *uhp = NULL; |
| 753 | 2256 u_header_T *last; |
| 2257 int mark; | |
| 2258 int nomark; | |
| 2259 int round; | |
| 758 | 2260 int dosec = sec; |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2261 int dofile = file; |
| 758 | 2262 int above = FALSE; |
| 794 | 2263 int did_undo = TRUE; |
| 753 | 2264 |
| 766 | 2265 /* First make sure the current undoable change is synced. */ |
| 2266 if (curbuf->b_u_synced == FALSE) | |
| 825 | 2267 u_sync(TRUE); |
| 766 | 2268 |
| 753 | 2269 u_newcount = 0; |
| 2270 u_oldcount = 0; | |
| 179 | 2271 if (curbuf->b_ml.ml_flags & ML_EMPTY) |
| 753 | 2272 u_oldcount = -1; |
| 2273 | |
| 777 | 2274 /* "target" is the node below which we want to be. |
| 2275 * Init "closest" to a value we can't reach. */ | |
| 772 | 2276 if (absolute) |
| 2277 { | |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2278 target = step; |
| 777 | 2279 closest = -1; |
| 753 | 2280 } |
| 2281 else | |
| 2282 { | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2283 if (dosec) |
|
10518
de77fa909414
commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
2284 target = (long)(curbuf->b_u_time_cur) + step; |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2285 else if (dofile) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2286 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2287 if (step < 0) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2288 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2289 /* Going back to a previous write. If there were changes after |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2290 * the last write, count that as moving one file-write, so |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2291 * that ":earlier 1f" undoes all changes since the last save. */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2292 uhp = curbuf->b_u_curhead; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2293 if (uhp != NULL) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2294 uhp = uhp->uh_next.ptr; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2295 else |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2296 uhp = curbuf->b_u_newhead; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2297 if (uhp != NULL && uhp->uh_save_nr != 0) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2298 /* "uh_save_nr" was set in the last block, that means |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2299 * there were no changes since the last write */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2300 target = curbuf->b_u_save_nr_cur + step; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2301 else |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2302 /* count the changes since the last write as one step */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2303 target = curbuf->b_u_save_nr_cur + step + 1; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2304 if (target <= 0) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2305 /* Go to before first write: before the oldest change. Use |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2306 * the sequence number for that. */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2307 dofile = FALSE; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2308 } |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2309 else |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2310 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2311 /* Moving forward to a newer write. */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2312 target = curbuf->b_u_save_nr_cur + step; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2313 if (target > curbuf->b_u_save_nr_last) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2314 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2315 /* Go to after last write: after the latest change. Use |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2316 * the sequence number for that. */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2317 target = curbuf->b_u_seq_last + 1; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2318 dofile = FALSE; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2319 } |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2320 } |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2321 } |
| 777 | 2322 else |
| 2323 target = curbuf->b_u_seq_cur + step; | |
| 2324 if (step < 0) | |
| 758 | 2325 { |
| 777 | 2326 if (target < 0) |
| 2327 target = 0; | |
| 2328 closest = -1; | |
| 758 | 2329 } |
| 2330 else | |
| 2331 { | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2332 if (dosec) |
|
10518
de77fa909414
commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
2333 closest = (long)(vim_time() + 1); |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2334 else if (dofile) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2335 closest = curbuf->b_u_save_nr_last + 2; |
| 777 | 2336 else |
| 2337 closest = curbuf->b_u_seq_last + 2; | |
| 2338 if (target >= closest) | |
| 2339 target = closest - 1; | |
| 758 | 2340 } |
| 753 | 2341 } |
| 758 | 2342 closest_start = closest; |
| 777 | 2343 closest_seq = curbuf->b_u_seq_cur; |
| 753 | 2344 |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2345 /* When "target" is 0; Back to origin. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2346 if (target == 0) |
|
13138
0f906f414c69
patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents:
13134
diff
changeset
|
2347 { |
|
0f906f414c69
patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents:
13134
diff
changeset
|
2348 mark = lastmark; /* avoid that GCC complains */ |
|
0f906f414c69
patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents:
13134
diff
changeset
|
2349 goto target_zero; |
|
0f906f414c69
patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents:
13134
diff
changeset
|
2350 } |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2351 |
| 758 | 2352 /* |
| 2353 * May do this twice: | |
| 753 | 2354 * 1. Search for "target", update "closest" to the best match found. |
| 758 | 2355 * 2. If "target" not found search for "closest". |
| 2356 * | |
| 2357 * When using the closest time we use the sequence number in the second | |
| 2358 * round, because there may be several entries with the same time. | |
| 2359 */ | |
| 753 | 2360 for (round = 1; round <= 2; ++round) |
| 2361 { | |
| 2362 /* Find the path from the current state to where we want to go. The | |
| 2363 * desired state can be anywhere in the undo tree, need to go all over | |
| 2364 * it. We put "nomark" in uh_walk where we have been without success, | |
| 2365 * "mark" where it could possibly be. */ | |
| 2366 mark = ++lastmark; | |
| 2367 nomark = ++lastmark; | |
| 2368 | |
| 2369 if (curbuf->b_u_curhead == NULL) /* at leaf of the tree */ | |
| 2370 uhp = curbuf->b_u_newhead; | |
| 2371 else | |
| 2372 uhp = curbuf->b_u_curhead; | |
| 2373 | |
| 2374 while (uhp != NULL) | |
| 2375 { | |
| 2376 uhp->uh_walk = mark; | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2377 if (dosec) |
|
10518
de77fa909414
commit https://github.com/vim/vim/commit/cbd4de44e8d08fba3c09eb40ad6e36e83faf020a
Christian Brabandt <cb@256bit.org>
parents:
10359
diff
changeset
|
2378 val = (long)(uhp->uh_time); |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2379 else if (dofile) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2380 val = uhp->uh_save_nr; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2381 else |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2382 val = uhp->uh_seq; |
| 753 | 2383 |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2384 if (round == 1 && !(dofile && val == 0)) |
| 758 | 2385 { |
| 2386 /* Remember the header that is closest to the target. | |
| 2387 * It must be at least in the right direction (checked with | |
| 777 | 2388 * "b_u_seq_cur"). When the timestamp is equal find the |
| 758 | 2389 * highest/lowest sequence number. */ |
| 777 | 2390 if ((step < 0 ? uhp->uh_seq <= curbuf->b_u_seq_cur |
| 2391 : uhp->uh_seq > curbuf->b_u_seq_cur) | |
| 2392 && ((dosec && val == closest) | |
| 2393 ? (step < 0 | |
| 2394 ? uhp->uh_seq < closest_seq | |
| 2395 : uhp->uh_seq > closest_seq) | |
| 2396 : closest == closest_start | |
| 2397 || (val > target | |
| 2398 ? (closest > target | |
| 2399 ? val - target <= closest - target | |
| 2400 : val - target <= target - closest) | |
| 2401 : (closest > target | |
| 2402 ? target - val <= closest - target | |
| 2403 : target - val <= target - closest)))) | |
| 758 | 2404 { |
| 2405 closest = val; | |
| 2406 closest_seq = uhp->uh_seq; | |
| 2407 } | |
| 2408 } | |
| 2409 | |
| 2410 /* Quit searching when we found a match. But when searching for a | |
| 2411 * time we need to continue looking for the best uh_seq. */ | |
| 2412 if (target == val && !dosec) | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2413 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2414 target = uhp->uh_seq; |
| 758 | 2415 break; |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2416 } |
| 753 | 2417 |
| 2418 /* go down in the tree if we haven't been there */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2419 if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != nomark |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2420 && uhp->uh_prev.ptr->uh_walk != mark) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2421 uhp = uhp->uh_prev.ptr; |
| 753 | 2422 |
| 2423 /* go to alternate branch if we haven't been there */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2424 else if (uhp->uh_alt_next.ptr != NULL |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2425 && uhp->uh_alt_next.ptr->uh_walk != nomark |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2426 && uhp->uh_alt_next.ptr->uh_walk != mark) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2427 uhp = uhp->uh_alt_next.ptr; |
| 753 | 2428 |
| 2429 /* go up in the tree if we haven't been there and we are at the | |
| 2430 * start of alternate branches */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2431 else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2432 && uhp->uh_next.ptr->uh_walk != nomark |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2433 && uhp->uh_next.ptr->uh_walk != mark) |
| 798 | 2434 { |
| 2435 /* If still at the start we don't go through this change. */ | |
| 2436 if (uhp == curbuf->b_u_curhead) | |
| 2437 uhp->uh_walk = nomark; | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2438 uhp = uhp->uh_next.ptr; |
| 798 | 2439 } |
| 753 | 2440 |
| 2441 else | |
| 2442 { | |
| 2443 /* need to backtrack; mark this node as useless */ | |
| 2444 uhp->uh_walk = nomark; | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2445 if (uhp->uh_alt_prev.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2446 uhp = uhp->uh_alt_prev.ptr; |
| 753 | 2447 else |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2448 uhp = uhp->uh_next.ptr; |
| 753 | 2449 } |
| 2450 } | |
| 2451 | |
| 2452 if (uhp != NULL) /* found it */ | |
| 2453 break; | |
| 772 | 2454 |
| 2455 if (absolute) | |
| 2456 { | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
2457 EMSGN(_("E830: Undo number %ld not found"), step); |
| 772 | 2458 return; |
| 2459 } | |
| 2460 | |
| 758 | 2461 if (closest == closest_start) |
| 753 | 2462 { |
| 758 | 2463 if (step < 0) |
| 2464 MSG(_("Already at oldest change")); | |
| 2465 else | |
| 2466 MSG(_("Already at newest change")); | |
| 753 | 2467 return; |
| 2468 } | |
| 2469 | |
| 758 | 2470 target = closest_seq; |
| 2471 dosec = FALSE; | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2472 dofile = FALSE; |
| 758 | 2473 if (step < 0) |
| 2474 above = TRUE; /* stop above the header */ | |
| 753 | 2475 } |
| 2476 | |
|
13138
0f906f414c69
patch 8.0.1443: compiler complains about uninitialized variable
Christian Brabandt <cb@256bit.org>
parents:
13134
diff
changeset
|
2477 target_zero: |
| 753 | 2478 /* If we found it: Follow the path to go to where we want to be. */ |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2479 if (uhp != NULL || target == 0) |
| 753 | 2480 { |
| 2481 /* | |
| 2482 * First go up the tree as much as needed. | |
| 2483 */ | |
| 2189 | 2484 while (!got_int) |
| 753 | 2485 { |
| 2189 | 2486 /* Do the change warning now, for the same reason as above. */ |
| 2487 change_warning(0); | |
| 2488 | |
| 753 | 2489 uhp = curbuf->b_u_curhead; |
| 2490 if (uhp == NULL) | |
| 2491 uhp = curbuf->b_u_newhead; | |
| 2492 else | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2493 uhp = uhp->uh_next.ptr; |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2494 if (uhp == NULL || (target > 0 && uhp->uh_walk != mark) |
| 777 | 2495 || (uhp->uh_seq == target && !above)) |
| 753 | 2496 break; |
| 2497 curbuf->b_u_curhead = uhp; | |
| 777 | 2498 u_undoredo(TRUE); |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2499 if (target > 0) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2500 uhp->uh_walk = nomark; /* don't go back down here */ |
| 753 | 2501 } |
| 2502 | |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2503 /* When back to origin, redo is not needed. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2504 if (target > 0) |
| 753 | 2505 { |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2506 /* |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2507 * And now go down the tree (redo), branching off where needed. |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2508 */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2509 while (!got_int) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2510 { |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2511 /* Do the change warning now, for the same reason as above. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2512 change_warning(0); |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2513 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2514 uhp = curbuf->b_u_curhead; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2515 if (uhp == NULL) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2516 break; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2517 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2518 /* Go back to the first branch with a mark. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2519 while (uhp->uh_alt_prev.ptr != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2520 && uhp->uh_alt_prev.ptr->uh_walk == mark) |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2521 uhp = uhp->uh_alt_prev.ptr; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2522 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2523 /* Find the last branch with a mark, that's the one. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2524 last = uhp; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2525 while (last->uh_alt_next.ptr != NULL |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2526 && last->uh_alt_next.ptr->uh_walk == mark) |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2527 last = last->uh_alt_next.ptr; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2528 if (last != uhp) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2529 { |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2530 /* Make the used branch the first entry in the list of |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2531 * alternatives to make "u" and CTRL-R take this branch. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2532 while (uhp->uh_alt_prev.ptr != NULL) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2533 uhp = uhp->uh_alt_prev.ptr; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2534 if (last->uh_alt_next.ptr != NULL) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2535 last->uh_alt_next.ptr->uh_alt_prev.ptr = |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2536 last->uh_alt_prev.ptr; |
|
13134
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2537 last->uh_alt_prev.ptr->uh_alt_next.ptr = |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2538 last->uh_alt_next.ptr; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2539 last->uh_alt_prev.ptr = NULL; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2540 last->uh_alt_next.ptr = uhp; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2541 uhp->uh_alt_prev.ptr = last; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2542 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2543 if (curbuf->b_u_oldhead == uhp) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2544 curbuf->b_u_oldhead = last; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2545 uhp = last; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2546 if (uhp->uh_next.ptr != NULL) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2547 uhp->uh_next.ptr->uh_prev.ptr = uhp; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2548 } |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2549 curbuf->b_u_curhead = uhp; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2550 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2551 if (uhp->uh_walk != mark) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2552 break; /* must have reached the target */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2553 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2554 /* Stop when going backwards in time and didn't find the exact |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2555 * header we were looking for. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2556 if (uhp->uh_seq == target && above) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2557 { |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2558 curbuf->b_u_seq_cur = target - 1; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2559 break; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2560 } |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2561 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2562 u_undoredo(FALSE); |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2563 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2564 /* Advance "curhead" to below the header we last used. If it |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2565 * becomes NULL then we need to set "newhead" to this leaf. */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2566 if (uhp->uh_prev.ptr == NULL) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2567 curbuf->b_u_newhead = uhp; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2568 curbuf->b_u_curhead = uhp->uh_prev.ptr; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2569 did_undo = FALSE; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2570 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2571 if (uhp->uh_seq == target) /* found it! */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2572 break; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2573 |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2574 uhp = uhp->uh_prev.ptr; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2575 if (uhp == NULL || uhp->uh_walk != mark) |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2576 { |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2577 /* Need to redo more but can't find it... */ |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2578 internal_error("undo_time()"); |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2579 break; |
|
c4b5ad2b3596
patch 8.0.1441: using ":undo 0" leaves undo in wrong state
Christian Brabandt <cb@256bit.org>
parents:
13012
diff
changeset
|
2580 } |
| 753 | 2581 } |
| 2582 } | |
| 2583 } | |
| 798 | 2584 u_undo_end(did_undo, absolute); |
| 7 | 2585 } |
| 2586 | |
| 2587 /* | |
| 2588 * u_undoredo: common code for undo and redo | |
| 2589 * | |
| 2590 * The lines in the file are replaced by the lines in the entry list at | |
| 2591 * curbuf->b_u_curhead. The replaced lines in the file are saved in the entry | |
| 2592 * list for the next undo/redo. | |
| 777 | 2593 * |
| 2594 * When "undo" is TRUE we go up in the tree, when FALSE we go down. | |
| 7 | 2595 */ |
| 2596 static void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2597 u_undoredo(int undo) |
| 7 | 2598 { |
| 2599 char_u **newarray = NULL; | |
| 2600 linenr_T oldsize; | |
| 2601 linenr_T newsize; | |
| 2602 linenr_T top, bot; | |
| 2603 linenr_T lnum; | |
| 2604 linenr_T newlnum = MAXLNUM; | |
| 2605 long i; | |
| 2606 u_entry_T *uep, *nuep; | |
| 2607 u_entry_T *newlist = NULL; | |
| 2608 int old_flags; | |
| 2609 int new_flags; | |
| 2610 pos_T namedm[NMARKS]; | |
| 692 | 2611 visualinfo_T visualinfo; |
| 7 | 2612 int empty_buffer; /* buffer became empty */ |
| 758 | 2613 u_header_T *curhead = curbuf->b_u_curhead; |
| 7 | 2614 |
| 2189 | 2615 /* Don't want autocommands using the undo structures here, they are |
| 2616 * invalid till the end. */ | |
| 2617 block_autocmds(); | |
| 2618 | |
| 1415 | 2619 #ifdef U_DEBUG |
| 2620 u_check(FALSE); | |
| 2621 #endif | |
| 758 | 2622 old_flags = curhead->uh_flags; |
| 7 | 2623 new_flags = (curbuf->b_changed ? UH_CHANGED : 0) + |
| 2624 ((curbuf->b_ml.ml_flags & ML_EMPTY) ? UH_EMPTYBUF : 0); | |
| 2625 setpcmark(); | |
| 2626 | |
| 2627 /* | |
| 2628 * save marks before undo/redo | |
| 2629 */ | |
| 2630 mch_memmove(namedm, curbuf->b_namedm, sizeof(pos_T) * NMARKS); | |
| 692 | 2631 visualinfo = curbuf->b_visual; |
| 7 | 2632 curbuf->b_op_start.lnum = curbuf->b_ml.ml_line_count; |
| 2633 curbuf->b_op_start.col = 0; | |
| 2634 curbuf->b_op_end.lnum = 0; | |
| 2635 curbuf->b_op_end.col = 0; | |
| 2636 | |
| 758 | 2637 for (uep = curhead->uh_entry; uep != NULL; uep = nuep) |
| 7 | 2638 { |
| 2639 top = uep->ue_top; | |
| 2640 bot = uep->ue_bot; | |
| 2641 if (bot == 0) | |
| 2642 bot = curbuf->b_ml.ml_line_count + 1; | |
| 2643 if (top > curbuf->b_ml.ml_line_count || top >= bot | |
| 2644 || bot > curbuf->b_ml.ml_line_count + 1) | |
| 2645 { | |
| 2189 | 2646 unblock_autocmds(); |
|
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10336
diff
changeset
|
2647 IEMSG(_("E438: u_undo: line numbers wrong")); |
| 7 | 2648 changed(); /* don't want UNCHANGED now */ |
| 2649 return; | |
| 2650 } | |
| 2651 | |
| 2652 oldsize = bot - top - 1; /* number of lines before undo */ | |
| 2653 newsize = uep->ue_size; /* number of lines after undo */ | |
| 2654 | |
| 2655 if (top < newlnum) | |
| 2656 { | |
| 2657 /* If the saved cursor is somewhere in this undo block, move it to | |
| 2658 * the remembered position. Makes "gwap" put the cursor back | |
| 2659 * where it was. */ | |
| 758 | 2660 lnum = curhead->uh_cursor.lnum; |
| 7 | 2661 if (lnum >= top && lnum <= top + newsize + 1) |
| 2662 { | |
| 758 | 2663 curwin->w_cursor = curhead->uh_cursor; |
| 7 | 2664 newlnum = curwin->w_cursor.lnum - 1; |
| 2665 } | |
| 2666 else | |
| 2667 { | |
| 2668 /* Use the first line that actually changed. Avoids that | |
| 2669 * undoing auto-formatting puts the cursor in the previous | |
| 2670 * line. */ | |
| 2671 for (i = 0; i < newsize && i < oldsize; ++i) | |
| 2672 if (STRCMP(uep->ue_array[i], ml_get(top + 1 + i)) != 0) | |
| 2673 break; | |
| 2674 if (i == newsize && newlnum == MAXLNUM && uep->ue_next == NULL) | |
| 2675 { | |
| 2676 newlnum = top; | |
| 2677 curwin->w_cursor.lnum = newlnum + 1; | |
| 2678 } | |
| 2679 else if (i < newsize) | |
| 2680 { | |
| 2681 newlnum = top + i; | |
| 2682 curwin->w_cursor.lnum = newlnum + 1; | |
| 2683 } | |
| 2684 } | |
| 2685 } | |
| 2686 | |
| 2687 empty_buffer = FALSE; | |
| 2688 | |
| 2689 /* delete the lines between top and bot and save them in newarray */ | |
| 168 | 2690 if (oldsize > 0) |
| 7 | 2691 { |
| 168 | 2692 if ((newarray = (char_u **)U_ALLOC_LINE( |
|
2230
290ee42cae85
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Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
2693 sizeof(char_u *) * oldsize)) == NULL) |
| 7 | 2694 { |
| 2695 do_outofmem_msg((long_u)(sizeof(char_u *) * oldsize)); | |
| 2696 /* | |
| 2697 * We have messed up the entry list, repair is impossible. | |
| 2698 * we have to free the rest of the list. | |
| 2699 */ | |
| 2700 while (uep != NULL) | |
| 2701 { | |
| 2702 nuep = uep->ue_next; | |
| 2703 u_freeentry(uep, uep->ue_size); | |
| 2704 uep = nuep; | |
| 2705 } | |
| 2706 break; | |
| 2707 } | |
| 2708 /* delete backwards, it goes faster in most cases */ | |
| 2709 for (lnum = bot - 1, i = oldsize; --i >= 0; --lnum) | |
| 2710 { | |
| 2711 /* what can we do when we run out of memory? */ | |
| 2712 if ((newarray[i] = u_save_line(lnum)) == NULL) | |
| 2713 do_outofmem_msg((long_u)0); | |
| 2714 /* remember we deleted the last line in the buffer, and a | |
| 2715 * dummy empty line will be inserted */ | |
| 2716 if (curbuf->b_ml.ml_line_count == 1) | |
| 2717 empty_buffer = TRUE; | |
| 2718 ml_delete(lnum, FALSE); | |
| 2719 } | |
| 2720 } | |
| 414 | 2721 else |
| 2722 newarray = NULL; | |
| 7 | 2723 |
| 2724 /* insert the lines in u_array between top and bot */ | |
| 2725 if (newsize) | |
| 2726 { | |
| 2727 for (lnum = top, i = 0; i < newsize; ++i, ++lnum) | |
| 2728 { | |
| 2729 /* | |
| 2730 * If the file is empty, there is an empty line 1 that we | |
| 2731 * should get rid of, by replacing it with the new line | |
| 2732 */ | |
| 2733 if (empty_buffer && lnum == 0) | |
| 2734 ml_replace((linenr_T)1, uep->ue_array[i], TRUE); | |
| 2735 else | |
| 2736 ml_append(lnum, uep->ue_array[i], (colnr_T)0, FALSE); | |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
2737 vim_free(uep->ue_array[i]); |
| 7 | 2738 } |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
2739 vim_free((char_u *)uep->ue_array); |
| 7 | 2740 } |
| 2741 | |
| 2742 /* adjust marks */ | |
| 2743 if (oldsize != newsize) | |
| 2744 { | |
| 2745 mark_adjust(top + 1, top + oldsize, (long)MAXLNUM, | |
| 2746 (long)newsize - (long)oldsize); | |
| 2747 if (curbuf->b_op_start.lnum > top + oldsize) | |
| 2748 curbuf->b_op_start.lnum += newsize - oldsize; | |
| 2749 if (curbuf->b_op_end.lnum > top + oldsize) | |
| 2750 curbuf->b_op_end.lnum += newsize - oldsize; | |
| 2751 } | |
| 2752 | |
| 2753 changed_lines(top + 1, 0, bot, newsize - oldsize); | |
| 2754 | |
| 2755 /* set '[ and '] mark */ | |
| 2756 if (top + 1 < curbuf->b_op_start.lnum) | |
| 2757 curbuf->b_op_start.lnum = top + 1; | |
| 2758 if (newsize == 0 && top + 1 > curbuf->b_op_end.lnum) | |
| 2759 curbuf->b_op_end.lnum = top + 1; | |
| 2760 else if (top + newsize > curbuf->b_op_end.lnum) | |
| 2761 curbuf->b_op_end.lnum = top + newsize; | |
| 2762 | |
| 2763 u_newcount += newsize; | |
| 2764 u_oldcount += oldsize; | |
| 2765 uep->ue_size = oldsize; | |
| 2766 uep->ue_array = newarray; | |
| 2767 uep->ue_bot = top + newsize + 1; | |
| 2768 | |
| 2769 /* | |
| 2770 * insert this entry in front of the new entry list | |
| 2771 */ | |
| 2772 nuep = uep->ue_next; | |
| 2773 uep->ue_next = newlist; | |
| 2774 newlist = uep; | |
| 2775 } | |
| 2776 | |
| 758 | 2777 curhead->uh_entry = newlist; |
| 2778 curhead->uh_flags = new_flags; | |
|
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10978
diff
changeset
|
2779 if ((old_flags & UH_EMPTYBUF) && BUFEMPTY()) |
| 7 | 2780 curbuf->b_ml.ml_flags |= ML_EMPTY; |
| 2781 if (old_flags & UH_CHANGED) | |
| 2782 changed(); | |
| 2783 else | |
| 33 | 2784 #ifdef FEAT_NETBEANS_INTG |
| 2785 /* per netbeans undo rules, keep it as modified */ | |
| 2786 if (!isNetbeansModified(curbuf)) | |
| 2787 #endif | |
| 7 | 2788 unchanged(curbuf, FALSE); |
| 2789 | |
| 2790 /* | |
| 2791 * restore marks from before undo/redo | |
| 2792 */ | |
| 2793 for (i = 0; i < NMARKS; ++i) | |
| 6616 | 2794 { |
| 758 | 2795 if (curhead->uh_namedm[i].lnum != 0) |
| 2796 curbuf->b_namedm[i] = curhead->uh_namedm[i]; | |
| 6616 | 2797 if (namedm[i].lnum != 0) |
| 758 | 2798 curhead->uh_namedm[i] = namedm[i]; |
| 6616 | 2799 else |
| 2800 curhead->uh_namedm[i].lnum = 0; | |
| 2801 } | |
| 758 | 2802 if (curhead->uh_visual.vi_start.lnum != 0) |
| 692 | 2803 { |
| 758 | 2804 curbuf->b_visual = curhead->uh_visual; |
| 2805 curhead->uh_visual = visualinfo; | |
| 692 | 2806 } |
| 7 | 2807 |
| 2808 /* | |
| 2809 * If the cursor is only off by one line, put it at the same position as | |
| 2810 * before starting the change (for the "o" command). | |
| 2811 * Otherwise the cursor should go to the first undone line. | |
| 2812 */ | |
| 758 | 2813 if (curhead->uh_cursor.lnum + 1 == curwin->w_cursor.lnum |
| 7 | 2814 && curwin->w_cursor.lnum > 1) |
| 2815 --curwin->w_cursor.lnum; | |
|
2501
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2816 if (curwin->w_cursor.lnum <= curbuf->b_ml.ml_line_count) |
| 7 | 2817 { |
|
2501
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2818 if (curhead->uh_cursor.lnum == curwin->w_cursor.lnum) |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2819 { |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2820 curwin->w_cursor.col = curhead->uh_cursor.col; |
| 7 | 2821 #ifdef FEAT_VIRTUALEDIT |
|
2501
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2822 if (virtual_active() && curhead->uh_cursor_vcol >= 0) |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2823 coladvance((colnr_T)curhead->uh_cursor_vcol); |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2824 else |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2825 curwin->w_cursor.coladd = 0; |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2826 #endif |
|
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2827 } |
| 7 | 2828 else |
|
2501
c43e99e9baaf
Fix: ml_get errors when using undo with 'virtualedit'.
Bram Moolenaar <bram@vim.org>
parents:
2482
diff
changeset
|
2829 beginline(BL_SOL | BL_FIX); |
| 7 | 2830 } |
| 2831 else | |
| 2832 { | |
| 2833 /* We get here with the current cursor line being past the end (eg | |
| 2834 * after adding lines at the end of the file, and then undoing it). | |
| 2835 * check_cursor() will move the cursor to the last line. Move it to | |
| 2836 * the first column here. */ | |
| 2837 curwin->w_cursor.col = 0; | |
| 2838 #ifdef FEAT_VIRTUALEDIT | |
| 2839 curwin->w_cursor.coladd = 0; | |
| 2840 #endif | |
| 2841 } | |
| 2842 | |
| 2843 /* Make sure the cursor is on an existing line and column. */ | |
| 2844 check_cursor(); | |
| 758 | 2845 |
| 2846 /* Remember where we are for "g-" and ":earlier 10s". */ | |
| 2847 curbuf->b_u_seq_cur = curhead->uh_seq; | |
| 777 | 2848 if (undo) |
|
12827
ff494a964ab7
patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents:
12716
diff
changeset
|
2849 { |
| 777 | 2850 /* We are below the previous undo. However, to make ":earlier 1s" |
| 2851 * work we compute this as being just above the just undone change. */ | |
|
12827
ff494a964ab7
patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents:
12716
diff
changeset
|
2852 if (curhead->uh_next.ptr != NULL) |
|
ff494a964ab7
patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents:
12716
diff
changeset
|
2853 curbuf->b_u_seq_cur = curhead->uh_next.ptr->uh_seq; |
|
ff494a964ab7
patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents:
12716
diff
changeset
|
2854 else |
|
ff494a964ab7
patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents:
12716
diff
changeset
|
2855 curbuf->b_u_seq_cur = 0; |
|
ff494a964ab7
patch 8.0.1290: seq_cur of undotree() wrong after undo
Christian Brabandt <cb@256bit.org>
parents:
12716
diff
changeset
|
2856 } |
| 777 | 2857 |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2858 /* Remember where we are for ":earlier 1f" and ":later 1f". */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2859 if (curhead->uh_save_nr != 0) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2860 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2861 if (undo) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2862 curbuf->b_u_save_nr_cur = curhead->uh_save_nr - 1; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2863 else |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2864 curbuf->b_u_save_nr_cur = curhead->uh_save_nr; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2865 } |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
2866 |
| 777 | 2867 /* The timestamp can be the same for multiple changes, just use the one of |
| 2868 * the undone/redone change. */ | |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
2869 curbuf->b_u_time_cur = curhead->uh_time; |
| 2189 | 2870 |
| 2871 unblock_autocmds(); | |
| 1415 | 2872 #ifdef U_DEBUG |
| 2873 u_check(FALSE); | |
| 2874 #endif | |
| 7 | 2875 } |
| 2876 | |
| 2877 /* | |
| 2878 * If we deleted or added lines, report the number of less/more lines. | |
| 2879 * Otherwise, report the number of changes (this may be incorrect | |
| 2880 * in some cases, but it's better than nothing). | |
| 2881 */ | |
| 2882 static void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2883 u_undo_end( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2884 int did_undo, /* just did an undo */ |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2885 int absolute) /* used ":undo N" */ |
| 7 | 2886 { |
| 944 | 2887 char *msgstr; |
| 772 | 2888 u_header_T *uhp; |
| 2889 char_u msgbuf[80]; | |
| 753 | 2890 |
| 7 | 2891 #ifdef FEAT_FOLDING |
| 2892 if ((fdo_flags & FDO_UNDO) && KeyTyped) | |
| 2893 foldOpenCursor(); | |
| 2894 #endif | |
| 753 | 2895 |
| 2896 if (global_busy /* no messages now, wait until global is finished */ | |
| 2897 || !messaging()) /* 'lazyredraw' set, don't do messages now */ | |
| 2898 return; | |
| 2899 | |
| 2900 if (curbuf->b_ml.ml_flags & ML_EMPTY) | |
| 2901 --u_newcount; | |
| 2902 | |
| 2903 u_oldcount -= u_newcount; | |
| 2904 if (u_oldcount == -1) | |
| 944 | 2905 msgstr = N_("more line"); |
| 753 | 2906 else if (u_oldcount < 0) |
| 944 | 2907 msgstr = N_("more lines"); |
| 753 | 2908 else if (u_oldcount == 1) |
| 944 | 2909 msgstr = N_("line less"); |
| 753 | 2910 else if (u_oldcount > 1) |
| 944 | 2911 msgstr = N_("fewer lines"); |
| 753 | 2912 else |
| 2913 { | |
| 2914 u_oldcount = u_newcount; | |
| 2915 if (u_newcount == 1) | |
| 944 | 2916 msgstr = N_("change"); |
| 753 | 2917 else |
| 944 | 2918 msgstr = N_("changes"); |
| 753 | 2919 } |
| 2920 | |
| 772 | 2921 if (curbuf->b_u_curhead != NULL) |
| 794 | 2922 { |
| 798 | 2923 /* For ":undo N" we prefer a "after #N" message. */ |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2924 if (absolute && curbuf->b_u_curhead->uh_next.ptr != NULL) |
| 798 | 2925 { |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2926 uhp = curbuf->b_u_curhead->uh_next.ptr; |
| 798 | 2927 did_undo = FALSE; |
| 2928 } | |
| 2929 else if (did_undo) | |
| 794 | 2930 uhp = curbuf->b_u_curhead; |
| 2931 else | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
2932 uhp = curbuf->b_u_curhead->uh_next.ptr; |
| 794 | 2933 } |
| 753 | 2934 else |
| 772 | 2935 uhp = curbuf->b_u_newhead; |
| 753 | 2936 |
| 772 | 2937 if (uhp == NULL) |
| 2938 *msgbuf = NUL; | |
| 2939 else | |
| 2940 u_add_time(msgbuf, sizeof(msgbuf), uhp->uh_time); | |
| 2941 | |
|
2282
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2942 #ifdef FEAT_CONCEAL |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2943 { |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2944 win_T *wp; |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2945 |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2946 FOR_ALL_WINDOWS(wp) |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2947 { |
|
2378
85b7dc8da5eb
Add the 'concealcursor' option to decide when the cursor line is to be
Bram Moolenaar <bram@vim.org>
parents:
2367
diff
changeset
|
2948 if (wp->w_buffer == curbuf && wp->w_p_cole > 0) |
|
2282
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2949 redraw_win_later(wp, NOT_VALID); |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2950 } |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2951 } |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2952 #endif |
|
a888ed7ba375
Make updating text for conceal mode simpler. A few compiler warning fixes.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
2953 |
|
14237
487d7bda80ea
patch 8.1.0135: undo message delays screen update for CTRL-O u
Christian Brabandt <cb@256bit.org>
parents:
14147
diff
changeset
|
2954 smsg_attr_keep(0, (char_u *)_("%ld %s; %s #%ld %s"), |
| 777 | 2955 u_oldcount < 0 ? -u_oldcount : u_oldcount, |
| 944 | 2956 _(msgstr), |
| 794 | 2957 did_undo ? _("before") : _("after"), |
| 2958 uhp == NULL ? 0L : uhp->uh_seq, | |
| 2959 msgbuf); | |
| 7 | 2960 } |
| 2961 | |
| 2962 /* | |
| 2963 * u_sync: stop adding to the current entry list | |
| 2964 */ | |
| 2965 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2966 u_sync( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2967 int force) /* Also sync when no_u_sync is set. */ |
| 7 | 2968 { |
| 825 | 2969 /* Skip it when already synced or syncing is disabled. */ |
| 2970 if (curbuf->b_u_synced || (!force && no_u_sync > 0)) | |
| 2971 return; | |
| 7 | 2972 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) |
|
12293
1ff5e5dfa9b0
patch 8.0.1026: GTK on-the-spot input has problems
Christian Brabandt <cb@256bit.org>
parents:
12216
diff
changeset
|
2973 if (p_imst == IM_ON_THE_SPOT && im_is_preediting()) |
| 7 | 2974 return; /* XIM is busy, don't break an undo sequence */ |
| 2975 #endif | |
| 5446 | 2976 if (get_undolevel() < 0) |
| 7 | 2977 curbuf->b_u_synced = TRUE; /* no entries, nothing to do */ |
| 2978 else | |
| 2979 { | |
| 2980 u_getbot(); /* compute ue_bot of previous u_save */ | |
| 2981 curbuf->b_u_curhead = NULL; | |
| 2982 } | |
| 2983 } | |
| 2984 | |
| 2985 /* | |
| 772 | 2986 * ":undolist": List the leafs of the undo tree |
| 2987 */ | |
| 2988 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
2989 ex_undolist(exarg_T *eap UNUSED) |
| 772 | 2990 { |
| 2991 garray_T ga; | |
| 2992 u_header_T *uhp; | |
| 2993 int mark; | |
| 2994 int nomark; | |
| 2995 int changes = 1; | |
| 2996 int i; | |
| 2997 | |
| 2998 /* | |
| 2999 * 1: walk the tree to find all leafs, put the info in "ga". | |
| 3000 * 2: sort the lines | |
| 3001 * 3: display the list | |
| 3002 */ | |
| 3003 mark = ++lastmark; | |
| 3004 nomark = ++lastmark; | |
| 3005 ga_init2(&ga, (int)sizeof(char *), 20); | |
| 3006 | |
| 3007 uhp = curbuf->b_u_oldhead; | |
| 3008 while (uhp != NULL) | |
| 3009 { | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3010 if (uhp->uh_prev.ptr == NULL && uhp->uh_walk != nomark |
| 777 | 3011 && uhp->uh_walk != mark) |
| 772 | 3012 { |
| 3013 if (ga_grow(&ga, 1) == FAIL) | |
| 3014 break; | |
|
13610
e76499e85744
patch 8.0.1677: no compiler warning for wrong format in vim_snprintf()
Christian Brabandt <cb@256bit.org>
parents:
13380
diff
changeset
|
3015 vim_snprintf((char *)IObuff, IOSIZE, "%6ld %7d ", |
| 772 | 3016 uhp->uh_seq, changes); |
| 3017 u_add_time(IObuff + STRLEN(IObuff), IOSIZE - STRLEN(IObuff), | |
| 3018 uhp->uh_time); | |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3019 if (uhp->uh_save_nr > 0) |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3020 { |
| 2627 | 3021 while (STRLEN(IObuff) < 33) |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3022 STRCAT(IObuff, " "); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3023 vim_snprintf_add((char *)IObuff, IOSIZE, |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3024 " %3ld", uhp->uh_save_nr); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3025 } |
| 772 | 3026 ((char_u **)(ga.ga_data))[ga.ga_len++] = vim_strsave(IObuff); |
| 3027 } | |
| 3028 | |
| 3029 uhp->uh_walk = mark; | |
| 3030 | |
| 3031 /* go down in the tree if we haven't been there */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3032 if (uhp->uh_prev.ptr != NULL && uhp->uh_prev.ptr->uh_walk != nomark |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3033 && uhp->uh_prev.ptr->uh_walk != mark) |
| 772 | 3034 { |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3035 uhp = uhp->uh_prev.ptr; |
| 772 | 3036 ++changes; |
| 3037 } | |
| 3038 | |
| 3039 /* go to alternate branch if we haven't been there */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3040 else if (uhp->uh_alt_next.ptr != NULL |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3041 && uhp->uh_alt_next.ptr->uh_walk != nomark |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3042 && uhp->uh_alt_next.ptr->uh_walk != mark) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3043 uhp = uhp->uh_alt_next.ptr; |
| 772 | 3044 |
| 3045 /* go up in the tree if we haven't been there and we are at the | |
| 3046 * start of alternate branches */ | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3047 else if (uhp->uh_next.ptr != NULL && uhp->uh_alt_prev.ptr == NULL |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3048 && uhp->uh_next.ptr->uh_walk != nomark |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3049 && uhp->uh_next.ptr->uh_walk != mark) |
| 772 | 3050 { |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3051 uhp = uhp->uh_next.ptr; |
| 772 | 3052 --changes; |
| 3053 } | |
| 3054 | |
| 3055 else | |
| 3056 { | |
| 3057 /* need to backtrack; mark this node as done */ | |
| 3058 uhp->uh_walk = nomark; | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3059 if (uhp->uh_alt_prev.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3060 uhp = uhp->uh_alt_prev.ptr; |
| 772 | 3061 else |
| 3062 { | |
|
2242
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3063 uhp = uhp->uh_next.ptr; |
| 772 | 3064 --changes; |
| 3065 } | |
| 3066 } | |
| 3067 } | |
| 3068 | |
| 3069 if (ga.ga_len == 0) | |
| 3070 MSG(_("Nothing to undo")); | |
| 3071 else | |
| 3072 { | |
| 3073 sort_strings((char_u **)ga.ga_data, ga.ga_len); | |
| 3074 | |
| 3075 msg_start(); | |
| 2627 | 3076 msg_puts_attr((char_u *)_("number changes when saved"), |
|
11158
501f46f7644c
patch 8.0.0466: still macros that should be all-caps
Christian Brabandt <cb@256bit.org>
parents:
11127
diff
changeset
|
3077 HL_ATTR(HLF_T)); |
| 772 | 3078 for (i = 0; i < ga.ga_len && !got_int; ++i) |
| 3079 { | |
| 3080 msg_putchar('\n'); | |
| 3081 if (got_int) | |
| 3082 break; | |
| 3083 msg_puts(((char_u **)ga.ga_data)[i]); | |
| 3084 } | |
| 3085 msg_end(); | |
| 3086 | |
| 3087 ga_clear_strings(&ga); | |
| 3088 } | |
| 3089 } | |
| 3090 | |
| 3091 /* | |
| 3092 * Put the timestamp of an undo header in "buf[buflen]" in a nice format. | |
| 3093 */ | |
| 3094 static void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3095 u_add_time(char_u *buf, size_t buflen, time_t tt) |
| 772 | 3096 { |
| 3097 #ifdef HAVE_STRFTIME | |
| 3098 struct tm *curtime; | |
| 3099 | |
|
9674
adc7212951ee
commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
3100 if (vim_time() - tt >= 100) |
| 772 | 3101 { |
| 3102 curtime = localtime(&tt); | |
|
9674
adc7212951ee
commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a
Christian Brabandt <cb@256bit.org>
parents:
9536
diff
changeset
|
3103 if (vim_time() - tt < (60L * 60L * 12L)) |
| 2627 | 3104 /* within 12 hours */ |
| 3105 (void)strftime((char *)buf, buflen, "%H:%M:%S", curtime); | |
| 3106 else | |
| 3751 | 3107 /* longer ago */ |
| 2689 | 3108 (void)strftime((char *)buf, buflen, "%Y/%m/%d %H:%M:%S", curtime); |
| 772 | 3109 } |
| 3110 else | |
| 3111 #endif | |
|
14589
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3112 { |
|
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3113 long seconds = (long)(vim_time() - tt); |
|
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3114 |
|
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3115 vim_snprintf((char *)buf, buflen, |
|
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3116 NGETTEXT("%ld second ago", "%ld seconds ago", seconds), |
|
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3117 seconds); |
|
9c9ee53868b9
patch 8.1.0308: a quick undo shows "1 seconds ago"
Christian Brabandt <cb@256bit.org>
parents:
14327
diff
changeset
|
3118 } |
| 772 | 3119 } |
| 3120 | |
| 3121 /* | |
| 697 | 3122 * ":undojoin": continue adding to the last entry list |
| 3123 */ | |
| 3124 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3125 ex_undojoin(exarg_T *eap UNUSED) |
| 697 | 3126 { |
| 839 | 3127 if (curbuf->b_u_newhead == NULL) |
| 3128 return; /* nothing changed before */ | |
| 3129 if (curbuf->b_u_curhead != NULL) | |
| 3130 { | |
| 3131 EMSG(_("E790: undojoin is not allowed after undo")); | |
| 3132 return; | |
| 3133 } | |
| 697 | 3134 if (!curbuf->b_u_synced) |
| 3135 return; /* already unsynced */ | |
| 5446 | 3136 if (get_undolevel() < 0) |
| 697 | 3137 return; /* no entries, nothing to do */ |
| 3138 else | |
|
10631
cbf17371627c
patch 8.0.0205: wrong behavior after :undojoin
Christian Brabandt <cb@256bit.org>
parents:
10518
diff
changeset
|
3139 /* Append next change to the last entry */ |
|
cbf17371627c
patch 8.0.0205: wrong behavior after :undojoin
Christian Brabandt <cb@256bit.org>
parents:
10518
diff
changeset
|
3140 curbuf->b_u_synced = FALSE; |
| 697 | 3141 } |
| 3142 | |
| 3143 /* | |
|
2394
a3aca345aafa
Add the 'undoreload' option to be able to undo a file reload.
Bram Moolenaar <bram@vim.org>
parents:
2378
diff
changeset
|
3144 * Called after writing or reloading the file and setting b_changed to FALSE. |
| 7 | 3145 * Now an undo means that the buffer is modified. |
| 3146 */ | |
| 3147 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3148 u_unchanged(buf_T *buf) |
| 7 | 3149 { |
| 758 | 3150 u_unch_branch(buf->b_u_oldhead); |
| 3151 buf->b_did_warn = FALSE; | |
| 3152 } | |
| 3153 | |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3154 /* |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3155 * After reloading a buffer which was saved for 'undoreload': Find the first |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3156 * line that was changed and set the cursor there. |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3157 */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3158 void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3159 u_find_first_changed(void) |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3160 { |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3161 u_header_T *uhp = curbuf->b_u_newhead; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3162 u_entry_T *uep; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3163 linenr_T lnum; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3164 |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3165 if (curbuf->b_u_curhead != NULL || uhp == NULL) |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3166 return; /* undid something in an autocmd? */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3167 |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3168 /* Check that the last undo block was for the whole file. */ |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3169 uep = uhp->uh_entry; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3170 if (uep->ue_top != 0 || uep->ue_bot != 0) |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3171 return; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3172 |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3173 for (lnum = 1; lnum < curbuf->b_ml.ml_line_count |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3174 && lnum <= uep->ue_size; ++lnum) |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3175 if (STRCMP(ml_get_buf(curbuf, lnum, FALSE), |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3176 uep->ue_array[lnum - 1]) != 0) |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3177 { |
|
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10978
diff
changeset
|
3178 CLEAR_POS(&(uhp->uh_cursor)); |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3179 uhp->uh_cursor.lnum = lnum; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3180 return; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3181 } |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3182 if (curbuf->b_ml.ml_line_count != uep->ue_size) |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3183 { |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3184 /* lines added or deleted at the end, put the cursor there */ |
|
11121
778c10516955
patch 8.0.0448: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
10978
diff
changeset
|
3185 CLEAR_POS(&(uhp->uh_cursor)); |
|
2482
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3186 uhp->uh_cursor.lnum = lnum; |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3187 } |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3188 } |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3189 |
|
88751831fa0a
When undoing a reload, move the cursor to the first changed line.
Bram Moolenaar <bram@vim.org>
parents:
2410
diff
changeset
|
3190 /* |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3191 * Increase the write count, store it in the last undo header, what would be |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3192 * used for "u". |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3193 */ |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3194 void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3195 u_update_save_nr(buf_T *buf) |
|
2281
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3196 { |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3197 u_header_T *uhp; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3198 |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3199 ++buf->b_u_save_nr_last; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3200 buf->b_u_save_nr_cur = buf->b_u_save_nr_last; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3201 uhp = buf->b_u_curhead; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3202 if (uhp != NULL) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3203 uhp = uhp->uh_next.ptr; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3204 else |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3205 uhp = buf->b_u_newhead; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3206 if (uhp != NULL) |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3207 uhp->uh_save_nr = buf->b_u_save_nr_last; |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3208 } |
|
e41433ea71df
Added ":earlier 1f" and ":later 1f".
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
3209 |
| 758 | 3210 static void |
|
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3211 u_unch_branch(u_header_T *uhp) |
| 758 | 3212 { |
| 753 | 3213 u_header_T *uh; |
| 7 | 3214 |
|
2242
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Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3215 for (uh = uhp; uh != NULL; uh = uh->uh_prev.ptr) |
| 758 | 3216 { |
| 7 | 3217 uh->uh_flags |= UH_CHANGED; |
|
2242
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Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3218 if (uh->uh_alt_next.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3219 u_unch_branch(uh->uh_alt_next.ptr); /* recursive */ |
| 758 | 3220 } |
| 7 | 3221 } |
| 3222 | |
| 3223 /* | |
| 3224 * Get pointer to last added entry. | |
| 3225 * If it's not valid, give an error message and return NULL. | |
| 3226 */ | |
| 3227 static u_entry_T * | |
|
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4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3228 u_get_headentry(void) |
| 7 | 3229 { |
| 3230 if (curbuf->b_u_newhead == NULL || curbuf->b_u_newhead->uh_entry == NULL) | |
| 3231 { | |
|
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10336
diff
changeset
|
3232 IEMSG(_("E439: undo list corrupt")); |
| 7 | 3233 return NULL; |
| 3234 } | |
| 3235 return curbuf->b_u_newhead->uh_entry; | |
| 3236 } | |
| 3237 | |
| 3238 /* | |
| 3239 * u_getbot(): compute the line number of the previous u_save | |
| 3240 * It is called only when b_u_synced is FALSE. | |
| 3241 */ | |
| 3242 static void | |
|
7835
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commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3243 u_getbot(void) |
| 7 | 3244 { |
| 3245 u_entry_T *uep; | |
| 3246 linenr_T extra; | |
| 3247 | |
| 3248 uep = u_get_headentry(); /* check for corrupt undo list */ | |
| 3249 if (uep == NULL) | |
| 3250 return; | |
| 3251 | |
| 3252 uep = curbuf->b_u_newhead->uh_getbot_entry; | |
| 3253 if (uep != NULL) | |
| 3254 { | |
| 3255 /* | |
| 3256 * the new ue_bot is computed from the number of lines that has been | |
| 3257 * inserted (0 - deleted) since calling u_save. This is equal to the | |
| 3258 * old line count subtracted from the current line count. | |
| 3259 */ | |
| 3260 extra = curbuf->b_ml.ml_line_count - uep->ue_lcount; | |
| 3261 uep->ue_bot = uep->ue_top + uep->ue_size + 1 + extra; | |
| 3262 if (uep->ue_bot < 1 || uep->ue_bot > curbuf->b_ml.ml_line_count) | |
| 3263 { | |
|
10359
66f1b5bf3fa6
commit https://github.com/vim/vim/commit/95f096030ed1a8afea028f2ea295d6f6a70f466f
Christian Brabandt <cb@256bit.org>
parents:
10336
diff
changeset
|
3264 IEMSG(_("E440: undo line missing")); |
| 7 | 3265 uep->ue_bot = uep->ue_top + 1; /* assume all lines deleted, will |
| 3266 * get all the old lines back | |
| 3267 * without deleting the current | |
| 3268 * ones */ | |
| 3269 } | |
| 3270 | |
| 3271 curbuf->b_u_newhead->uh_getbot_entry = NULL; | |
| 3272 } | |
| 3273 | |
| 3274 curbuf->b_u_synced = TRUE; | |
| 3275 } | |
| 3276 | |
| 3277 /* | |
| 1415 | 3278 * Free one header "uhp" and its entry list and adjust the pointers. |
| 7 | 3279 */ |
| 3280 static void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3281 u_freeheader( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3282 buf_T *buf, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3283 u_header_T *uhp, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3284 u_header_T **uhpp) /* if not NULL reset when freeing this header */ |
| 7 | 3285 { |
| 1415 | 3286 u_header_T *uhap; |
| 3287 | |
| 753 | 3288 /* When there is an alternate redo list free that branch completely, |
| 3289 * because we can never go there. */ | |
|
2242
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Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3290 if (uhp->uh_alt_next.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3291 u_freebranch(buf, uhp->uh_alt_next.ptr, uhpp); |
| 7 | 3292 |
|
2242
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Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3293 if (uhp->uh_alt_prev.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3294 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL; |
| 7 | 3295 |
| 753 | 3296 /* Update the links in the list to remove the header. */ |
|
2242
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diff
changeset
|
3297 if (uhp->uh_next.ptr == NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3298 buf->b_u_oldhead = uhp->uh_prev.ptr; |
| 7 | 3299 else |
|
2242
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parents:
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diff
changeset
|
3300 uhp->uh_next.ptr->uh_prev.ptr = uhp->uh_prev.ptr; |
| 7 | 3301 |
|
2242
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Don't use pointers to store numbers, use a union.
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parents:
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diff
changeset
|
3302 if (uhp->uh_prev.ptr == NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3303 buf->b_u_newhead = uhp->uh_next.ptr; |
| 7 | 3304 else |
|
2242
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Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
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changeset
|
3305 for (uhap = uhp->uh_prev.ptr; uhap != NULL; |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3306 uhap = uhap->uh_alt_next.ptr) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
3307 uhap->uh_next.ptr = uhp->uh_next.ptr; |
| 7 | 3308 |
| 753 | 3309 u_freeentries(buf, uhp, uhpp); |
| 3310 } | |
| 3311 | |
| 3312 /* | |
| 758 | 3313 * Free an alternate branch and any following alternate branches. |
| 753 | 3314 */ |
| 3315 static void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3316 u_freebranch( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3317 buf_T *buf, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3318 u_header_T *uhp, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3319 u_header_T **uhpp) /* if not NULL reset when freeing this header */ |
| 753 | 3320 { |
| 3321 u_header_T *tofree, *next; | |
| 3322 | |
| 1440 | 3323 /* If this is the top branch we may need to use u_freeheader() to update |
| 3324 * all the pointers. */ | |
| 3325 if (uhp == buf->b_u_oldhead) | |
| 3326 { | |
| 5448 | 3327 while (buf->b_u_oldhead != NULL) |
| 3328 u_freeheader(buf, buf->b_u_oldhead, uhpp); | |
| 1440 | 3329 return; |
| 3330 } | |
| 3331 | |
|
2242
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Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3332 if (uhp->uh_alt_prev.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3333 uhp->uh_alt_prev.ptr->uh_alt_next.ptr = NULL; |
| 753 | 3334 |
| 3335 next = uhp; | |
| 3336 while (next != NULL) | |
| 3337 { | |
| 3338 tofree = next; | |
|
2242
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Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3339 if (tofree->uh_alt_next.ptr != NULL) |
|
bc4685345719
Don't use pointers to store numbers, use a union.
Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3340 u_freebranch(buf, tofree->uh_alt_next.ptr, uhpp); /* recursive */ |
|
bc4685345719
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Bram Moolenaar <bram@vim.org>
parents:
2239
diff
changeset
|
3341 next = tofree->uh_prev.ptr; |
| 753 | 3342 u_freeentries(buf, tofree, uhpp); |
| 3343 } | |
| 3344 } | |
| 3345 | |
| 3346 /* | |
| 3347 * Free all the undo entries for one header and the header itself. | |
| 3348 * This means that "uhp" is invalid when returning. | |
| 3349 */ | |
| 3350 static void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3351 u_freeentries( |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
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parents:
7805
diff
changeset
|
3352 buf_T *buf, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3353 u_header_T *uhp, |
|
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3354 u_header_T **uhpp) /* if not NULL reset when freeing this header */ |
| 753 | 3355 { |
| 3356 u_entry_T *uep, *nuep; | |
| 3357 | |
| 3358 /* Check for pointers to the header that become invalid now. */ | |
| 3359 if (buf->b_u_curhead == uhp) | |
| 3360 buf->b_u_curhead = NULL; | |
| 1415 | 3361 if (buf->b_u_newhead == uhp) |
| 3362 buf->b_u_newhead = NULL; /* freeing the newest entry */ | |
| 753 | 3363 if (uhpp != NULL && uhp == *uhpp) |
| 3364 *uhpp = NULL; | |
| 3365 | |
| 3366 for (uep = uhp->uh_entry; uep != NULL; uep = nuep) | |
| 3367 { | |
| 3368 nuep = uep->ue_next; | |
| 3369 u_freeentry(uep, uep->ue_size); | |
| 3370 } | |
| 3371 | |
| 1415 | 3372 #ifdef U_DEBUG |
| 3373 uhp->uh_magic = 0; | |
| 3374 #endif | |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3375 vim_free((char_u *)uhp); |
| 168 | 3376 --buf->b_u_numhead; |
| 7 | 3377 } |
| 3378 | |
| 3379 /* | |
| 3380 * free entry 'uep' and 'n' lines in uep->ue_array[] | |
| 3381 */ | |
| 3382 static void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3383 u_freeentry(u_entry_T *uep, long n) |
| 7 | 3384 { |
| 414 | 3385 while (n > 0) |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3386 vim_free(uep->ue_array[--n]); |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3387 vim_free((char_u *)uep->ue_array); |
| 1415 | 3388 #ifdef U_DEBUG |
| 3389 uep->ue_magic = 0; | |
| 3390 #endif | |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3391 vim_free((char_u *)uep); |
| 7 | 3392 } |
| 3393 | |
| 3394 /* | |
| 3395 * invalidate the undo buffer; called when storage has already been released | |
| 3396 */ | |
| 3397 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3398 u_clearall(buf_T *buf) |
| 7 | 3399 { |
| 3400 buf->b_u_newhead = buf->b_u_oldhead = buf->b_u_curhead = NULL; | |
| 3401 buf->b_u_synced = TRUE; | |
| 3402 buf->b_u_numhead = 0; | |
| 3403 buf->b_u_line_ptr = NULL; | |
| 3404 buf->b_u_line_lnum = 0; | |
| 3405 } | |
| 3406 | |
| 3407 /* | |
| 3408 * save the line "lnum" for the "U" command | |
| 3409 */ | |
| 3410 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3411 u_saveline(linenr_T lnum) |
| 7 | 3412 { |
| 3413 if (lnum == curbuf->b_u_line_lnum) /* line is already saved */ | |
| 3414 return; | |
| 356 | 3415 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) /* should never happen */ |
| 7 | 3416 return; |
| 3417 u_clearline(); | |
| 3418 curbuf->b_u_line_lnum = lnum; | |
| 3419 if (curwin->w_cursor.lnum == lnum) | |
| 3420 curbuf->b_u_line_colnr = curwin->w_cursor.col; | |
| 3421 else | |
| 3422 curbuf->b_u_line_colnr = 0; | |
| 3423 if ((curbuf->b_u_line_ptr = u_save_line(lnum)) == NULL) | |
| 3424 do_outofmem_msg((long_u)0); | |
| 3425 } | |
| 3426 | |
| 3427 /* | |
| 3428 * clear the line saved for the "U" command | |
| 3429 * (this is used externally for crossing a line while in insert mode) | |
| 3430 */ | |
| 3431 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3432 u_clearline(void) |
| 7 | 3433 { |
| 3434 if (curbuf->b_u_line_ptr != NULL) | |
| 3435 { | |
|
13244
ac42c4b11dbc
patch 8.0.1496: clearing a pointer takes two lines
Christian Brabandt <cb@256bit.org>
parents:
13138
diff
changeset
|
3436 VIM_CLEAR(curbuf->b_u_line_ptr); |
| 7 | 3437 curbuf->b_u_line_lnum = 0; |
| 3438 } | |
| 3439 } | |
| 3440 | |
| 3441 /* | |
| 3442 * Implementation of the "U" command. | |
| 3443 * Differentiation from vi: "U" can be undone with the next "U". | |
| 3444 * We also allow the cursor to be in another line. | |
|
2289
3331756e4232
Make synstack() work on the character just after the end of the line.
Bram Moolenaar <bram@vim.org>
parents:
2288
diff
changeset
|
3445 * Careful: may trigger autocommands that reload the buffer. |
| 7 | 3446 */ |
| 3447 void | |
|
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Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3448 u_undoline(void) |
| 7 | 3449 { |
| 3450 colnr_T t; | |
| 3451 char_u *oldp; | |
| 3452 | |
| 3453 if (undo_off) | |
| 3454 return; | |
| 3455 | |
| 1534 | 3456 if (curbuf->b_u_line_ptr == NULL |
| 3457 || curbuf->b_u_line_lnum > curbuf->b_ml.ml_line_count) | |
| 7 | 3458 { |
| 3459 beep_flush(); | |
| 3460 return; | |
| 3461 } | |
| 1534 | 3462 |
| 3463 /* first save the line for the 'u' command */ | |
| 7 | 3464 if (u_savecommon(curbuf->b_u_line_lnum - 1, |
|
2394
a3aca345aafa
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Bram Moolenaar <bram@vim.org>
parents:
2378
diff
changeset
|
3465 curbuf->b_u_line_lnum + 1, (linenr_T)0, FALSE) == FAIL) |
| 7 | 3466 return; |
| 3467 oldp = u_save_line(curbuf->b_u_line_lnum); | |
| 3468 if (oldp == NULL) | |
| 3469 { | |
| 3470 do_outofmem_msg((long_u)0); | |
| 3471 return; | |
| 3472 } | |
| 3473 ml_replace(curbuf->b_u_line_lnum, curbuf->b_u_line_ptr, TRUE); | |
| 3474 changed_bytes(curbuf->b_u_line_lnum, 0); | |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3475 vim_free(curbuf->b_u_line_ptr); |
| 7 | 3476 curbuf->b_u_line_ptr = oldp; |
| 3477 | |
| 3478 t = curbuf->b_u_line_colnr; | |
| 3479 if (curwin->w_cursor.lnum == curbuf->b_u_line_lnum) | |
| 3480 curbuf->b_u_line_colnr = curwin->w_cursor.col; | |
| 3481 curwin->w_cursor.col = t; | |
| 3482 curwin->w_cursor.lnum = curbuf->b_u_line_lnum; | |
| 1534 | 3483 check_cursor_col(); |
| 7 | 3484 } |
| 3485 | |
| 3486 /* | |
| 168 | 3487 * Free all allocated memory blocks for the buffer 'buf'. |
| 3488 */ | |
| 3489 void | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3490 u_blockfree(buf_T *buf) |
| 168 | 3491 { |
| 753 | 3492 while (buf->b_u_oldhead != NULL) |
| 758 | 3493 u_freeheader(buf, buf->b_u_oldhead, NULL); |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3494 vim_free(buf->b_u_line_ptr); |
| 7 | 3495 } |
| 3496 | |
| 3497 /* | |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3498 * u_save_line(): allocate memory and copy line 'lnum' into it. |
|
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3499 * Returns NULL when out of memory. |
| 7 | 3500 */ |
| 3501 static char_u * | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3502 u_save_line(linenr_T lnum) |
| 7 | 3503 { |
|
2230
290ee42cae85
Remove old and unused method to allocate memory for undo.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
3504 return vim_strsave(ml_get(lnum)); |
| 7 | 3505 } |
| 3506 | |
| 3507 /* | |
| 3508 * Check if the 'modified' flag is set, or 'ff' has changed (only need to | |
| 3509 * check the first character, because it can only be "dos", "unix" or "mac"). | |
| 3510 * "nofile" and "scratch" type buffers are considered to always be unchanged. | |
|
13012
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3511 * Also considers a buffer changed when a terminal window contains a running |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3512 * job. |
| 7 | 3513 */ |
| 3514 int | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3515 bufIsChanged(buf_T *buf) |
| 7 | 3516 { |
|
11957
bc0fee081e1e
patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents:
11836
diff
changeset
|
3517 #ifdef FEAT_TERMINAL |
|
bc0fee081e1e
patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents:
11836
diff
changeset
|
3518 if (term_job_running(buf->b_term)) |
|
bc0fee081e1e
patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents:
11836
diff
changeset
|
3519 return TRUE; |
| 7 | 3520 #endif |
|
13012
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3521 return bufIsChangedNotTerm(buf); |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3522 } |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3523 |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3524 /* |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3525 * Like bufIsChanged() but ignoring a terminal window. |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3526 */ |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3527 int |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3528 bufIsChangedNotTerm(buf_T *buf) |
|
8d5b451d7bab
patch 8.0.1382: get "no write since last change" message if terminal is open
Christian Brabandt <cb@256bit.org>
parents:
12827
diff
changeset
|
3529 { |
|
14147
de75c249723d
patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents:
13610
diff
changeset
|
3530 // In a "prompt" buffer we do respect 'modified', so that we can control |
|
de75c249723d
patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents:
13610
diff
changeset
|
3531 // closing the window by setting or resetting that option. |
|
de75c249723d
patch 8.1.0091: MS-Windows: Cannot interrupt gdb when program is running
Christian Brabandt <cb@256bit.org>
parents:
13610
diff
changeset
|
3532 return (!bt_dontwrite(buf) || bt_prompt(buf)) |
|
11957
bc0fee081e1e
patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents:
11836
diff
changeset
|
3533 && (buf->b_changed || file_ff_differs(buf, TRUE)); |
| 7 | 3534 } |
| 3535 | |
| 3536 int | |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3537 curbufIsChanged(void) |
| 7 | 3538 { |
|
11957
bc0fee081e1e
patch 8.0.0858: can exit while a terminal is still running a job
Christian Brabandt <cb@256bit.org>
parents:
11836
diff
changeset
|
3539 return bufIsChanged(curbuf); |
| 7 | 3540 } |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3541 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3542 #if defined(FEAT_EVAL) || defined(PROTO) |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3543 /* |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3544 * For undotree(): Append the list of undo blocks at "first_uhp" to "list". |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3545 * Recursive. |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3546 */ |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3547 void |
|
7835
4d7ce6c03fda
commit https://github.com/vim/vim/commit/764b23c8fd3369cb05ae9122abf3ca16fec539d7
Christian Brabandt <cb@256bit.org>
parents:
7805
diff
changeset
|
3548 u_eval_tree(u_header_T *first_uhp, list_T *list) |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3549 { |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3550 u_header_T *uhp = first_uhp; |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3551 dict_T *dict; |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3552 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3553 while (uhp != NULL) |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3554 { |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3555 dict = dict_alloc(); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3556 if (dict == NULL) |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3557 return; |
|
14301
3c80092eb211
patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents:
14237
diff
changeset
|
3558 dict_add_number(dict, "seq", uhp->uh_seq); |
|
3c80092eb211
patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents:
14237
diff
changeset
|
3559 dict_add_number(dict, "time", (long)uhp->uh_time); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3560 if (uhp == curbuf->b_u_newhead) |
|
14301
3c80092eb211
patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents:
14237
diff
changeset
|
3561 dict_add_number(dict, "newhead", 1); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3562 if (uhp == curbuf->b_u_curhead) |
|
14301
3c80092eb211
patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents:
14237
diff
changeset
|
3563 dict_add_number(dict, "curhead", 1); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3564 if (uhp->uh_save_nr > 0) |
|
14301
3c80092eb211
patch 8.1.0166: using dict_add_nr_str() is clumsy
Christian Brabandt <cb@256bit.org>
parents:
14237
diff
changeset
|
3565 dict_add_number(dict, "save", uhp->uh_save_nr); |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3566 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3567 if (uhp->uh_alt_next.ptr != NULL) |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3568 { |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3569 list_T *alt_list = list_alloc(); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3570 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3571 if (alt_list != NULL) |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3572 { |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3573 /* Recursive call to add alternate undo tree. */ |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3574 u_eval_tree(uhp->uh_alt_next.ptr, alt_list); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3575 dict_add_list(dict, "alt", alt_list); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3576 } |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3577 } |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3578 |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3579 list_append_dict(list, dict); |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3580 uhp = uhp->uh_prev.ptr; |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3581 } |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3582 } |
|
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
Bram Moolenaar <bram@vim.org>
parents:
2271
diff
changeset
|
3583 #endif |