Mercurial > vim
annotate src/misc2.c @ 3707:c03b6363492b v7.3.613
updated for version 7.3.613
Problem: Including Python's config.c in the build causes trouble. It is
not clear why it was there.
Solution: Omit the config file. (James McCoy)
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Wed, 25 Jul 2012 16:32:08 +0200 |
parents | 286ba0251c0a |
children | 99f076ca8d84 |
rev | line source |
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7 | 1 /* vi:set ts=8 sts=4 sw=4: |
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 * misc2.c: Various functions. | |
12 */ | |
13 #include "vim.h" | |
14 | |
359 | 15 static char_u *username = NULL; /* cached result of mch_get_user_name() */ |
16 | |
17 static char_u *ff_expand_buffer = NULL; /* used for expanding filenames */ | |
18 | |
7 | 19 #if defined(FEAT_VIRTUALEDIT) || defined(PROTO) |
20 static int coladvance2 __ARGS((pos_T *pos, int addspaces, int finetune, colnr_T wcol)); | |
21 | |
22 /* | |
23 * Return TRUE if in the current mode we need to use virtual. | |
24 */ | |
25 int | |
26 virtual_active() | |
27 { | |
28 /* While an operator is being executed we return "virtual_op", because | |
29 * VIsual_active has already been reset, thus we can't check for "block" | |
30 * being used. */ | |
31 if (virtual_op != MAYBE) | |
32 return virtual_op; | |
33 return (ve_flags == VE_ALL | |
34 # ifdef FEAT_VISUAL | |
35 || ((ve_flags & VE_BLOCK) && VIsual_active && VIsual_mode == Ctrl_V) | |
36 # endif | |
37 || ((ve_flags & VE_INSERT) && (State & INSERT))); | |
38 } | |
39 | |
40 /* | |
41 * Get the screen position of the cursor. | |
42 */ | |
43 int | |
44 getviscol() | |
45 { | |
46 colnr_T x; | |
47 | |
48 getvvcol(curwin, &curwin->w_cursor, &x, NULL, NULL); | |
49 return (int)x; | |
50 } | |
51 | |
52 /* | |
53 * Get the screen position of character col with a coladd in the cursor line. | |
54 */ | |
55 int | |
56 getviscol2(col, coladd) | |
57 colnr_T col; | |
58 colnr_T coladd; | |
59 { | |
60 colnr_T x; | |
61 pos_T pos; | |
62 | |
63 pos.lnum = curwin->w_cursor.lnum; | |
64 pos.col = col; | |
65 pos.coladd = coladd; | |
66 getvvcol(curwin, &pos, &x, NULL, NULL); | |
67 return (int)x; | |
68 } | |
69 | |
70 /* | |
1209 | 71 * Go to column "wcol", and add/insert white space as necessary to get the |
7 | 72 * cursor in that column. |
73 * The caller must have saved the cursor line for undo! | |
74 */ | |
75 int | |
76 coladvance_force(wcol) | |
77 colnr_T wcol; | |
78 { | |
79 int rc = coladvance2(&curwin->w_cursor, TRUE, FALSE, wcol); | |
80 | |
81 if (wcol == MAXCOL) | |
82 curwin->w_valid &= ~VALID_VIRTCOL; | |
83 else | |
84 { | |
85 /* Virtcol is valid */ | |
86 curwin->w_valid |= VALID_VIRTCOL; | |
87 curwin->w_virtcol = wcol; | |
88 } | |
89 return rc; | |
90 } | |
91 #endif | |
92 | |
93 /* | |
94 * Try to advance the Cursor to the specified screen column. | |
95 * If virtual editing: fine tune the cursor position. | |
96 * Note that all virtual positions off the end of a line should share | |
97 * a curwin->w_cursor.col value (n.b. this is equal to STRLEN(line)), | |
98 * beginning at coladd 0. | |
99 * | |
100 * return OK if desired column is reached, FAIL if not | |
101 */ | |
102 int | |
103 coladvance(wcol) | |
104 colnr_T wcol; | |
105 { | |
106 int rc = getvpos(&curwin->w_cursor, wcol); | |
107 | |
108 if (wcol == MAXCOL || rc == FAIL) | |
109 curwin->w_valid &= ~VALID_VIRTCOL; | |
44 | 110 else if (*ml_get_cursor() != TAB) |
7 | 111 { |
44 | 112 /* Virtcol is valid when not on a TAB */ |
7 | 113 curwin->w_valid |= VALID_VIRTCOL; |
114 curwin->w_virtcol = wcol; | |
115 } | |
116 return rc; | |
117 } | |
118 | |
119 /* | |
120 * Return in "pos" the position of the cursor advanced to screen column "wcol". | |
121 * return OK if desired column is reached, FAIL if not | |
122 */ | |
123 int | |
124 getvpos(pos, wcol) | |
125 pos_T *pos; | |
126 colnr_T wcol; | |
127 { | |
128 #ifdef FEAT_VIRTUALEDIT | |
129 return coladvance2(pos, FALSE, virtual_active(), wcol); | |
130 } | |
131 | |
132 static int | |
133 coladvance2(pos, addspaces, finetune, wcol) | |
134 pos_T *pos; | |
135 int addspaces; /* change the text to achieve our goal? */ | |
1209 | 136 int finetune; /* change char offset for the exact column */ |
7 | 137 colnr_T wcol; /* column to move to */ |
138 { | |
139 #endif | |
140 int idx; | |
141 char_u *ptr; | |
142 char_u *line; | |
143 colnr_T col = 0; | |
144 int csize = 0; | |
145 int one_more; | |
146 #ifdef FEAT_LINEBREAK | |
147 int head = 0; | |
148 #endif | |
149 | |
772 | 150 one_more = (State & INSERT) |
151 || restart_edit != NUL | |
7 | 152 #ifdef FEAT_VISUAL |
772 | 153 || (VIsual_active && *p_sel != 'o') |
154 #endif | |
155 #ifdef FEAT_VIRTUALEDIT | |
782 | 156 || ((ve_flags & VE_ONEMORE) && wcol < MAXCOL) |
772 | 157 #endif |
158 ; | |
1982 | 159 line = ml_get_buf(curbuf, pos->lnum, FALSE); |
7 | 160 |
161 if (wcol >= MAXCOL) | |
162 { | |
163 idx = (int)STRLEN(line) - 1 + one_more; | |
164 col = wcol; | |
165 | |
166 #ifdef FEAT_VIRTUALEDIT | |
167 if ((addspaces || finetune) && !VIsual_active) | |
168 { | |
169 curwin->w_curswant = linetabsize(line) + one_more; | |
170 if (curwin->w_curswant > 0) | |
171 --curwin->w_curswant; | |
172 } | |
173 #endif | |
174 } | |
175 else | |
176 { | |
177 #ifdef FEAT_VIRTUALEDIT | |
178 int width = W_WIDTH(curwin) - win_col_off(curwin); | |
179 | |
620 | 180 if (finetune |
7 | 181 && curwin->w_p_wrap |
182 # ifdef FEAT_VERTSPLIT | |
183 && curwin->w_width != 0 | |
184 # endif | |
185 && wcol >= (colnr_T)width) | |
186 { | |
187 csize = linetabsize(line); | |
188 if (csize > 0) | |
189 csize--; | |
190 | |
620 | 191 if (wcol / width > (colnr_T)csize / width |
192 && ((State & INSERT) == 0 || (int)wcol > csize + 1)) | |
7 | 193 { |
194 /* In case of line wrapping don't move the cursor beyond the | |
620 | 195 * right screen edge. In Insert mode allow going just beyond |
196 * the last character (like what happens when typing and | |
197 * reaching the right window edge). */ | |
7 | 198 wcol = (csize / width + 1) * width - 1; |
199 } | |
200 } | |
201 #endif | |
202 | |
203 ptr = line; | |
204 while (col <= wcol && *ptr != NUL) | |
205 { | |
206 /* Count a tab for what it's worth (if list mode not on) */ | |
207 #ifdef FEAT_LINEBREAK | |
208 csize = win_lbr_chartabsize(curwin, ptr, col, &head); | |
39 | 209 mb_ptr_adv(ptr); |
7 | 210 #else |
211 csize = lbr_chartabsize_adv(&ptr, col); | |
212 #endif | |
213 col += csize; | |
214 } | |
215 idx = (int)(ptr - line); | |
216 /* | |
217 * Handle all the special cases. The virtual_active() check | |
218 * is needed to ensure that a virtual position off the end of | |
219 * a line has the correct indexing. The one_more comparison | |
220 * replaces an explicit add of one_more later on. | |
221 */ | |
222 if (col > wcol || (!virtual_active() && one_more == 0)) | |
223 { | |
224 idx -= 1; | |
225 # ifdef FEAT_LINEBREAK | |
226 /* Don't count the chars from 'showbreak'. */ | |
227 csize -= head; | |
228 # endif | |
229 col -= csize; | |
230 } | |
231 | |
232 #ifdef FEAT_VIRTUALEDIT | |
233 if (virtual_active() | |
234 && addspaces | |
235 && ((col != wcol && col != wcol + 1) || csize > 1)) | |
236 { | |
237 /* 'virtualedit' is set: The difference between wcol and col is | |
238 * filled with spaces. */ | |
239 | |
240 if (line[idx] == NUL) | |
241 { | |
242 /* Append spaces */ | |
243 int correct = wcol - col; | |
244 char_u *newline = alloc(idx + correct + 1); | |
245 int t; | |
246 | |
247 if (newline == NULL) | |
248 return FAIL; | |
249 | |
250 for (t = 0; t < idx; ++t) | |
251 newline[t] = line[t]; | |
252 | |
253 for (t = 0; t < correct; ++t) | |
254 newline[t + idx] = ' '; | |
255 | |
256 newline[idx + correct] = NUL; | |
257 | |
258 ml_replace(pos->lnum, newline, FALSE); | |
259 changed_bytes(pos->lnum, (colnr_T)idx); | |
260 idx += correct; | |
261 col = wcol; | |
262 } | |
263 else | |
264 { | |
265 /* Break a tab */ | |
266 int linelen = (int)STRLEN(line); | |
267 int correct = wcol - col - csize + 1; /* negative!! */ | |
840 | 268 char_u *newline; |
7 | 269 int t, s = 0; |
270 int v; | |
271 | |
840 | 272 if (-correct > csize) |
273 return FAIL; | |
274 | |
275 newline = alloc(linelen + csize); | |
276 if (newline == NULL) | |
7 | 277 return FAIL; |
278 | |
279 for (t = 0; t < linelen; t++) | |
280 { | |
281 if (t != idx) | |
282 newline[s++] = line[t]; | |
283 else | |
284 for (v = 0; v < csize; v++) | |
285 newline[s++] = ' '; | |
286 } | |
287 | |
288 newline[linelen + csize - 1] = NUL; | |
289 | |
290 ml_replace(pos->lnum, newline, FALSE); | |
291 changed_bytes(pos->lnum, idx); | |
292 idx += (csize - 1 + correct); | |
293 col += correct; | |
294 } | |
295 } | |
296 #endif | |
297 } | |
298 | |
299 if (idx < 0) | |
300 pos->col = 0; | |
301 else | |
302 pos->col = idx; | |
303 | |
304 #ifdef FEAT_VIRTUALEDIT | |
305 pos->coladd = 0; | |
306 | |
307 if (finetune) | |
308 { | |
309 if (wcol == MAXCOL) | |
310 { | |
311 /* The width of the last character is used to set coladd. */ | |
312 if (!one_more) | |
313 { | |
314 colnr_T scol, ecol; | |
315 | |
316 getvcol(curwin, pos, &scol, NULL, &ecol); | |
317 pos->coladd = ecol - scol; | |
318 } | |
319 } | |
320 else | |
321 { | |
322 int b = (int)wcol - (int)col; | |
323 | |
324 /* The difference between wcol and col is used to set coladd. */ | |
325 if (b > 0 && b < (MAXCOL - 2 * W_WIDTH(curwin))) | |
326 pos->coladd = b; | |
327 | |
328 col += b; | |
329 } | |
330 } | |
331 #endif | |
332 | |
333 #ifdef FEAT_MBYTE | |
1982 | 334 /* prevent from moving onto a trail byte */ |
7 | 335 if (has_mbyte) |
2933 | 336 mb_adjustpos(curbuf, pos); |
7 | 337 #endif |
338 | |
339 if (col < wcol) | |
340 return FAIL; | |
341 return OK; | |
342 } | |
343 | |
344 /* | |
1621 | 345 * Increment the cursor position. See inc() for return values. |
7 | 346 */ |
347 int | |
348 inc_cursor() | |
349 { | |
350 return inc(&curwin->w_cursor); | |
351 } | |
352 | |
1621 | 353 /* |
354 * Increment the line pointer "lp" crossing line boundaries as necessary. | |
355 * Return 1 when going to the next line. | |
356 * Return 2 when moving forward onto a NUL at the end of the line). | |
357 * Return -1 when at the end of file. | |
358 * Return 0 otherwise. | |
359 */ | |
7 | 360 int |
361 inc(lp) | |
362 pos_T *lp; | |
363 { | |
364 char_u *p = ml_get_pos(lp); | |
365 | |
366 if (*p != NUL) /* still within line, move to next char (may be NUL) */ | |
367 { | |
368 #ifdef FEAT_MBYTE | |
369 if (has_mbyte) | |
370 { | |
474 | 371 int l = (*mb_ptr2len)(p); |
7 | 372 |
373 lp->col += l; | |
374 return ((p[l] != NUL) ? 0 : 2); | |
375 } | |
376 #endif | |
377 lp->col++; | |
378 #ifdef FEAT_VIRTUALEDIT | |
379 lp->coladd = 0; | |
380 #endif | |
381 return ((p[1] != NUL) ? 0 : 2); | |
382 } | |
383 if (lp->lnum != curbuf->b_ml.ml_line_count) /* there is a next line */ | |
384 { | |
385 lp->col = 0; | |
386 lp->lnum++; | |
387 #ifdef FEAT_VIRTUALEDIT | |
388 lp->coladd = 0; | |
389 #endif | |
390 return 1; | |
391 } | |
392 return -1; | |
393 } | |
394 | |
395 /* | |
396 * incl(lp): same as inc(), but skip the NUL at the end of non-empty lines | |
397 */ | |
398 int | |
399 incl(lp) | |
400 pos_T *lp; | |
401 { | |
402 int r; | |
403 | |
404 if ((r = inc(lp)) >= 1 && lp->col) | |
405 r = inc(lp); | |
406 return r; | |
407 } | |
408 | |
409 /* | |
410 * dec(p) | |
411 * | |
412 * Decrement the line pointer 'p' crossing line boundaries as necessary. | |
413 * Return 1 when crossing a line, -1 when at start of file, 0 otherwise. | |
414 */ | |
415 int | |
416 dec_cursor() | |
417 { | |
418 return dec(&curwin->w_cursor); | |
419 } | |
420 | |
421 int | |
422 dec(lp) | |
423 pos_T *lp; | |
424 { | |
425 char_u *p; | |
426 | |
427 #ifdef FEAT_VIRTUALEDIT | |
428 lp->coladd = 0; | |
429 #endif | |
430 if (lp->col > 0) /* still within line */ | |
431 { | |
432 lp->col--; | |
433 #ifdef FEAT_MBYTE | |
434 if (has_mbyte) | |
435 { | |
436 p = ml_get(lp->lnum); | |
437 lp->col -= (*mb_head_off)(p, p + lp->col); | |
438 } | |
439 #endif | |
440 return 0; | |
441 } | |
442 if (lp->lnum > 1) /* there is a prior line */ | |
443 { | |
444 lp->lnum--; | |
445 p = ml_get(lp->lnum); | |
446 lp->col = (colnr_T)STRLEN(p); | |
447 #ifdef FEAT_MBYTE | |
448 if (has_mbyte) | |
449 lp->col -= (*mb_head_off)(p, p + lp->col); | |
450 #endif | |
451 return 1; | |
452 } | |
453 return -1; /* at start of file */ | |
454 } | |
455 | |
456 /* | |
457 * decl(lp): same as dec(), but skip the NUL at the end of non-empty lines | |
458 */ | |
459 int | |
460 decl(lp) | |
461 pos_T *lp; | |
462 { | |
463 int r; | |
464 | |
465 if ((r = dec(lp)) == 1 && lp->col) | |
466 r = dec(lp); | |
467 return r; | |
468 } | |
469 | |
470 /* | |
2178
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471 * Get the line number relative to the current cursor position, i.e. the |
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472 * difference between line number and cursor position. Only look for lines that |
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473 * can be visible, folded lines don't count. |
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474 */ |
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475 linenr_T |
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476 get_cursor_rel_lnum(wp, lnum) |
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477 win_T *wp; |
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478 linenr_T lnum; /* line number to get the result for */ |
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479 { |
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480 linenr_T cursor = wp->w_cursor.lnum; |
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481 linenr_T retval = 0; |
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482 |
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483 #ifdef FEAT_FOLDING |
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484 if (hasAnyFolding(wp)) |
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485 { |
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486 if (lnum > cursor) |
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487 { |
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488 while (lnum > cursor) |
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489 { |
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490 (void)hasFolding(lnum, &lnum, NULL); |
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491 /* if lnum and cursor are in the same fold, |
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492 * now lnum <= cursor */ |
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493 if (lnum > cursor) |
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494 retval++; |
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495 lnum--; |
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496 } |
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497 } |
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498 else if (lnum < cursor) |
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499 { |
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500 while (lnum < cursor) |
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501 { |
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502 (void)hasFolding(lnum, NULL, &lnum); |
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503 /* if lnum and cursor are in the same fold, |
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504 * now lnum >= cursor */ |
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505 if (lnum < cursor) |
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506 retval--; |
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507 lnum++; |
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508 } |
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509 } |
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510 /* else if (lnum == cursor) |
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511 * retval = 0; |
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512 */ |
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513 } |
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514 else |
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515 #endif |
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516 retval = lnum - cursor; |
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517 |
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518 return retval; |
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519 } |
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520 |
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521 /* |
7 | 522 * Make sure curwin->w_cursor.lnum is valid. |
523 */ | |
524 void | |
525 check_cursor_lnum() | |
526 { | |
527 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) | |
528 { | |
529 #ifdef FEAT_FOLDING | |
530 /* If there is a closed fold at the end of the file, put the cursor in | |
531 * its first line. Otherwise in the last line. */ | |
532 if (!hasFolding(curbuf->b_ml.ml_line_count, | |
533 &curwin->w_cursor.lnum, NULL)) | |
534 #endif | |
535 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; | |
536 } | |
537 if (curwin->w_cursor.lnum <= 0) | |
538 curwin->w_cursor.lnum = 1; | |
539 } | |
540 | |
541 /* | |
542 * Make sure curwin->w_cursor.col is valid. | |
543 */ | |
544 void | |
545 check_cursor_col() | |
546 { | |
2933 | 547 check_cursor_col_win(curwin); |
548 } | |
549 | |
550 /* | |
551 * Make sure win->w_cursor.col is valid. | |
552 */ | |
553 void | |
554 check_cursor_col_win(win) | |
555 win_T *win; | |
556 { | |
7 | 557 colnr_T len; |
558 #ifdef FEAT_VIRTUALEDIT | |
2933 | 559 colnr_T oldcol = win->w_cursor.col; |
560 colnr_T oldcoladd = win->w_cursor.col + win->w_cursor.coladd; | |
561 #endif | |
562 | |
563 len = (colnr_T)STRLEN(ml_get_buf(win->w_buffer, win->w_cursor.lnum, FALSE)); | |
7 | 564 if (len == 0) |
2933 | 565 win->w_cursor.col = 0; |
566 else if (win->w_cursor.col >= len) | |
7 | 567 { |
1488 | 568 /* Allow cursor past end-of-line when: |
569 * - in Insert mode or restarting Insert mode | |
570 * - in Visual mode and 'selection' isn't "old" | |
571 * - 'virtualedit' is set */ | |
620 | 572 if ((State & INSERT) || restart_edit |
7 | 573 #ifdef FEAT_VISUAL |
574 || (VIsual_active && *p_sel != 'o') | |
575 #endif | |
1488 | 576 #ifdef FEAT_VIRTUALEDIT |
577 || (ve_flags & VE_ONEMORE) | |
578 #endif | |
7 | 579 || virtual_active()) |
2933 | 580 win->w_cursor.col = len; |
7 | 581 else |
1099 | 582 { |
2933 | 583 win->w_cursor.col = len - 1; |
1099 | 584 #ifdef FEAT_MBYTE |
2933 | 585 /* Move the cursor to the head byte. */ |
1099 | 586 if (has_mbyte) |
2933 | 587 mb_adjustpos(win->w_buffer, &win->w_cursor); |
1099 | 588 #endif |
589 } | |
7 | 590 } |
2933 | 591 else if (win->w_cursor.col < 0) |
592 win->w_cursor.col = 0; | |
7 | 593 |
594 #ifdef FEAT_VIRTUALEDIT | |
595 /* If virtual editing is on, we can leave the cursor on the old position, | |
596 * only we must set it to virtual. But don't do it when at the end of the | |
597 * line. */ | |
598 if (oldcol == MAXCOL) | |
2933 | 599 win->w_cursor.coladd = 0; |
7 | 600 else if (ve_flags == VE_ALL) |
1841 | 601 { |
2933 | 602 if (oldcoladd > win->w_cursor.col) |
603 win->w_cursor.coladd = oldcoladd - win->w_cursor.col; | |
1841 | 604 else |
605 /* avoid weird number when there is a miscalculation or overflow */ | |
2933 | 606 win->w_cursor.coladd = 0; |
1841 | 607 } |
7 | 608 #endif |
609 } | |
610 | |
611 /* | |
612 * make sure curwin->w_cursor in on a valid character | |
613 */ | |
614 void | |
615 check_cursor() | |
616 { | |
617 check_cursor_lnum(); | |
618 check_cursor_col(); | |
619 } | |
620 | |
621 #if defined(FEAT_TEXTOBJ) || defined(PROTO) | |
622 /* | |
623 * Make sure curwin->w_cursor is not on the NUL at the end of the line. | |
624 * Allow it when in Visual mode and 'selection' is not "old". | |
625 */ | |
626 void | |
627 adjust_cursor_col() | |
628 { | |
629 if (curwin->w_cursor.col > 0 | |
630 # ifdef FEAT_VISUAL | |
631 && (!VIsual_active || *p_sel == 'o') | |
632 # endif | |
633 && gchar_cursor() == NUL) | |
634 --curwin->w_cursor.col; | |
635 } | |
636 #endif | |
637 | |
638 /* | |
639 * When curwin->w_leftcol has changed, adjust the cursor position. | |
640 * Return TRUE if the cursor was moved. | |
641 */ | |
642 int | |
643 leftcol_changed() | |
644 { | |
645 long lastcol; | |
646 colnr_T s, e; | |
647 int retval = FALSE; | |
648 | |
649 changed_cline_bef_curs(); | |
650 lastcol = curwin->w_leftcol + W_WIDTH(curwin) - curwin_col_off() - 1; | |
651 validate_virtcol(); | |
652 | |
653 /* | |
654 * If the cursor is right or left of the screen, move it to last or first | |
655 * character. | |
656 */ | |
657 if (curwin->w_virtcol > (colnr_T)(lastcol - p_siso)) | |
658 { | |
659 retval = TRUE; | |
660 coladvance((colnr_T)(lastcol - p_siso)); | |
661 } | |
662 else if (curwin->w_virtcol < curwin->w_leftcol + p_siso) | |
663 { | |
664 retval = TRUE; | |
665 (void)coladvance((colnr_T)(curwin->w_leftcol + p_siso)); | |
666 } | |
667 | |
668 /* | |
669 * If the start of the character under the cursor is not on the screen, | |
670 * advance the cursor one more char. If this fails (last char of the | |
671 * line) adjust the scrolling. | |
672 */ | |
673 getvvcol(curwin, &curwin->w_cursor, &s, NULL, &e); | |
674 if (e > (colnr_T)lastcol) | |
675 { | |
676 retval = TRUE; | |
677 coladvance(s - 1); | |
678 } | |
679 else if (s < curwin->w_leftcol) | |
680 { | |
681 retval = TRUE; | |
682 if (coladvance(e + 1) == FAIL) /* there isn't another character */ | |
683 { | |
684 curwin->w_leftcol = s; /* adjust w_leftcol instead */ | |
685 changed_cline_bef_curs(); | |
686 } | |
687 } | |
688 | |
689 if (retval) | |
690 curwin->w_set_curswant = TRUE; | |
691 redraw_later(NOT_VALID); | |
692 return retval; | |
693 } | |
694 | |
695 /********************************************************************** | |
696 * Various routines dealing with allocation and deallocation of memory. | |
697 */ | |
698 | |
699 #if defined(MEM_PROFILE) || defined(PROTO) | |
700 | |
701 # define MEM_SIZES 8200 | |
702 static long_u mem_allocs[MEM_SIZES]; | |
703 static long_u mem_frees[MEM_SIZES]; | |
704 static long_u mem_allocated; | |
705 static long_u mem_freed; | |
706 static long_u mem_peak; | |
707 static long_u num_alloc; | |
708 static long_u num_freed; | |
709 | |
710 static void mem_pre_alloc_s __ARGS((size_t *sizep)); | |
711 static void mem_pre_alloc_l __ARGS((long_u *sizep)); | |
712 static void mem_post_alloc __ARGS((void **pp, size_t size)); | |
713 static void mem_pre_free __ARGS((void **pp)); | |
714 | |
715 static void | |
716 mem_pre_alloc_s(sizep) | |
717 size_t *sizep; | |
718 { | |
719 *sizep += sizeof(size_t); | |
720 } | |
721 | |
722 static void | |
723 mem_pre_alloc_l(sizep) | |
724 long_u *sizep; | |
725 { | |
726 *sizep += sizeof(size_t); | |
727 } | |
728 | |
729 static void | |
730 mem_post_alloc(pp, size) | |
731 void **pp; | |
732 size_t size; | |
733 { | |
734 if (*pp == NULL) | |
735 return; | |
736 size -= sizeof(size_t); | |
737 *(long_u *)*pp = size; | |
738 if (size <= MEM_SIZES-1) | |
739 mem_allocs[size-1]++; | |
740 else | |
741 mem_allocs[MEM_SIZES-1]++; | |
742 mem_allocated += size; | |
743 if (mem_allocated - mem_freed > mem_peak) | |
744 mem_peak = mem_allocated - mem_freed; | |
745 num_alloc++; | |
746 *pp = (void *)((char *)*pp + sizeof(size_t)); | |
747 } | |
748 | |
749 static void | |
750 mem_pre_free(pp) | |
751 void **pp; | |
752 { | |
753 long_u size; | |
754 | |
755 *pp = (void *)((char *)*pp - sizeof(size_t)); | |
756 size = *(size_t *)*pp; | |
757 if (size <= MEM_SIZES-1) | |
758 mem_frees[size-1]++; | |
759 else | |
760 mem_frees[MEM_SIZES-1]++; | |
761 mem_freed += size; | |
762 num_freed++; | |
763 } | |
764 | |
765 /* | |
766 * called on exit via atexit() | |
767 */ | |
768 void | |
769 vim_mem_profile_dump() | |
770 { | |
771 int i, j; | |
772 | |
773 printf("\r\n"); | |
774 j = 0; | |
775 for (i = 0; i < MEM_SIZES - 1; i++) | |
776 { | |
777 if (mem_allocs[i] || mem_frees[i]) | |
778 { | |
779 if (mem_frees[i] > mem_allocs[i]) | |
780 printf("\r\n%s", _("ERROR: ")); | |
781 printf("[%4d / %4lu-%-4lu] ", i + 1, mem_allocs[i], mem_frees[i]); | |
782 j++; | |
783 if (j > 3) | |
784 { | |
785 j = 0; | |
786 printf("\r\n"); | |
787 } | |
788 } | |
789 } | |
790 | |
791 i = MEM_SIZES - 1; | |
792 if (mem_allocs[i]) | |
793 { | |
794 printf("\r\n"); | |
795 if (mem_frees[i] > mem_allocs[i]) | |
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796 puts(_("ERROR: ")); |
7 | 797 printf("[>%d / %4lu-%-4lu]", i, mem_allocs[i], mem_frees[i]); |
798 } | |
799 | |
800 printf(_("\n[bytes] total alloc-freed %lu-%lu, in use %lu, peak use %lu\n"), | |
801 mem_allocated, mem_freed, mem_allocated - mem_freed, mem_peak); | |
802 printf(_("[calls] total re/malloc()'s %lu, total free()'s %lu\n\n"), | |
803 num_alloc, num_freed); | |
804 } | |
805 | |
806 #endif /* MEM_PROFILE */ | |
807 | |
808 /* | |
809 * Some memory is reserved for error messages and for being able to | |
810 * call mf_release_all(), which needs some memory for mf_trans_add(). | |
811 */ | |
812 #if defined(MSDOS) && !defined(DJGPP) | |
813 # define SMALL_MEM | |
814 # define KEEP_ROOM 8192L | |
815 #else | |
816 # define KEEP_ROOM (2 * 8192L) | |
817 #endif | |
3634 | 818 #define KEEP_ROOM_KB (KEEP_ROOM / 1024L) |
7 | 819 |
820 /* | |
1576 | 821 * Note: if unsigned is 16 bits we can only allocate up to 64K with alloc(). |
7 | 822 * Use lalloc for larger blocks. |
823 */ | |
824 char_u * | |
825 alloc(size) | |
826 unsigned size; | |
827 { | |
828 return (lalloc((long_u)size, TRUE)); | |
829 } | |
830 | |
831 /* | |
832 * Allocate memory and set all bytes to zero. | |
833 */ | |
834 char_u * | |
835 alloc_clear(size) | |
836 unsigned size; | |
837 { | |
838 char_u *p; | |
839 | |
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840 p = lalloc((long_u)size, TRUE); |
7 | 841 if (p != NULL) |
842 (void)vim_memset(p, 0, (size_t)size); | |
843 return p; | |
844 } | |
845 | |
846 /* | |
847 * alloc() with check for maximum line length | |
848 */ | |
849 char_u * | |
850 alloc_check(size) | |
851 unsigned size; | |
852 { | |
853 #if !defined(UNIX) && !defined(__EMX__) | |
854 if (sizeof(int) == 2 && size > 0x7fff) | |
855 { | |
856 /* Don't hide this message */ | |
857 emsg_silent = 0; | |
858 EMSG(_("E340: Line is becoming too long")); | |
859 return NULL; | |
860 } | |
861 #endif | |
862 return (lalloc((long_u)size, TRUE)); | |
863 } | |
864 | |
865 /* | |
866 * Allocate memory like lalloc() and set all bytes to zero. | |
867 */ | |
868 char_u * | |
869 lalloc_clear(size, message) | |
870 long_u size; | |
871 int message; | |
872 { | |
873 char_u *p; | |
874 | |
875 p = (lalloc(size, message)); | |
876 if (p != NULL) | |
877 (void)vim_memset(p, 0, (size_t)size); | |
878 return p; | |
879 } | |
880 | |
881 /* | |
882 * Low level memory allocation function. | |
883 * This is used often, KEEP IT FAST! | |
884 */ | |
885 char_u * | |
886 lalloc(size, message) | |
887 long_u size; | |
888 int message; | |
889 { | |
890 char_u *p; /* pointer to new storage space */ | |
891 static int releasing = FALSE; /* don't do mf_release_all() recursive */ | |
892 int try_again; | |
893 #if defined(HAVE_AVAIL_MEM) && !defined(SMALL_MEM) | |
894 static long_u allocated = 0; /* allocated since last avail check */ | |
895 #endif | |
896 | |
897 /* Safety check for allocating zero bytes */ | |
898 if (size == 0) | |
899 { | |
900 /* Don't hide this message */ | |
901 emsg_silent = 0; | |
902 EMSGN(_("E341: Internal error: lalloc(%ld, )"), size); | |
903 return NULL; | |
904 } | |
905 | |
906 #ifdef MEM_PROFILE | |
907 mem_pre_alloc_l(&size); | |
908 #endif | |
909 | |
910 #if defined(MSDOS) && !defined(DJGPP) | |
911 if (size >= 0xfff0) /* in MSDOS we can't deal with >64K blocks */ | |
912 p = NULL; | |
913 else | |
914 #endif | |
915 | |
916 /* | |
917 * Loop when out of memory: Try to release some memfile blocks and | |
918 * if some blocks are released call malloc again. | |
919 */ | |
920 for (;;) | |
921 { | |
922 /* | |
923 * Handle three kind of systems: | |
924 * 1. No check for available memory: Just return. | |
925 * 2. Slow check for available memory: call mch_avail_mem() after | |
926 * allocating KEEP_ROOM amount of memory. | |
927 * 3. Strict check for available memory: call mch_avail_mem() | |
928 */ | |
929 if ((p = (char_u *)malloc((size_t)size)) != NULL) | |
930 { | |
931 #ifndef HAVE_AVAIL_MEM | |
932 /* 1. No check for available memory: Just return. */ | |
933 goto theend; | |
934 #else | |
935 # ifndef SMALL_MEM | |
936 /* 2. Slow check for available memory: call mch_avail_mem() after | |
937 * allocating (KEEP_ROOM / 2) amount of memory. */ | |
938 allocated += size; | |
939 if (allocated < KEEP_ROOM / 2) | |
940 goto theend; | |
941 allocated = 0; | |
942 # endif | |
943 /* 3. check for available memory: call mch_avail_mem() */ | |
3634 | 944 if (mch_avail_mem(TRUE) < KEEP_ROOM_KB && !releasing) |
7 | 945 { |
1737 | 946 free((char *)p); /* System is low... no go! */ |
7 | 947 p = NULL; |
948 } | |
949 else | |
950 goto theend; | |
951 #endif | |
952 } | |
953 /* | |
954 * Remember that mf_release_all() is being called to avoid an endless | |
955 * loop, because mf_release_all() may call alloc() recursively. | |
956 */ | |
957 if (releasing) | |
958 break; | |
959 releasing = TRUE; | |
448 | 960 |
961 clear_sb_text(); /* free any scrollback text */ | |
962 try_again = mf_release_all(); /* release as many blocks as possible */ | |
370 | 963 #ifdef FEAT_EVAL |
448 | 964 try_again |= garbage_collect(); /* cleanup recursive lists/dicts */ |
965 #endif | |
966 | |
7 | 967 releasing = FALSE; |
968 if (!try_again) | |
969 break; | |
970 } | |
971 | |
972 if (message && p == NULL) | |
973 do_outofmem_msg(size); | |
974 | |
975 theend: | |
976 #ifdef MEM_PROFILE | |
977 mem_post_alloc((void **)&p, (size_t)size); | |
978 #endif | |
979 return p; | |
980 } | |
981 | |
982 #if defined(MEM_PROFILE) || defined(PROTO) | |
983 /* | |
984 * realloc() with memory profiling. | |
985 */ | |
986 void * | |
987 mem_realloc(ptr, size) | |
988 void *ptr; | |
989 size_t size; | |
990 { | |
991 void *p; | |
992 | |
993 mem_pre_free(&ptr); | |
994 mem_pre_alloc_s(&size); | |
995 | |
996 p = realloc(ptr, size); | |
997 | |
998 mem_post_alloc(&p, size); | |
999 | |
1000 return p; | |
1001 } | |
1002 #endif | |
1003 | |
1004 /* | |
1005 * Avoid repeating the error message many times (they take 1 second each). | |
1006 * Did_outofmem_msg is reset when a character is read. | |
1007 */ | |
1008 void | |
1009 do_outofmem_msg(size) | |
1010 long_u size; | |
1011 { | |
1012 if (!did_outofmem_msg) | |
1013 { | |
1014 /* Don't hide this message */ | |
1015 emsg_silent = 0; | |
3156 | 1016 |
1017 /* Must come first to avoid coming back here when printing the error | |
1018 * message fails, e.g. when setting v:errmsg. */ | |
1019 did_outofmem_msg = TRUE; | |
1020 | |
7 | 1021 EMSGN(_("E342: Out of memory! (allocating %lu bytes)"), size); |
1022 } | |
1023 } | |
1024 | |
356 | 1025 #if defined(EXITFREE) || defined(PROTO) |
359 | 1026 |
1027 # if defined(FEAT_SEARCHPATH) | |
1028 static void free_findfile __ARGS((void)); | |
1029 # endif | |
1030 | |
356 | 1031 /* |
1032 * Free everything that we allocated. | |
1033 * Can be used to detect memory leaks, e.g., with ccmalloc. | |
359 | 1034 * NOTE: This is tricky! Things are freed that functions depend on. Don't be |
1035 * surprised if Vim crashes... | |
1036 * Some things can't be freed, esp. things local to a library function. | |
356 | 1037 */ |
1038 void | |
1039 free_all_mem() | |
1040 { | |
1041 buf_T *buf, *nextbuf; | |
359 | 1042 static int entered = FALSE; |
1043 | |
1044 /* When we cause a crash here it is caught and Vim tries to exit cleanly. | |
1045 * Don't try freeing everything again. */ | |
1046 if (entered) | |
1047 return; | |
1048 entered = TRUE; | |
356 | 1049 |
1446 | 1050 # ifdef FEAT_AUTOCMD |
1410 | 1051 block_autocmds(); /* don't want to trigger autocommands here */ |
1446 | 1052 # endif |
1053 | |
1054 # ifdef FEAT_WINDOWS | |
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1055 /* Close all tabs and windows. Reset 'equalalways' to avoid redraws. */ |
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1056 p_ea = FALSE; |
766 | 1057 if (first_tabpage->tp_next != NULL) |
1058 do_cmdline_cmd((char_u *)"tabonly!"); | |
1059 if (firstwin != lastwin) | |
1060 do_cmdline_cmd((char_u *)"only!"); | |
1446 | 1061 # endif |
673 | 1062 |
741 | 1063 # if defined(FEAT_SPELL) |
356 | 1064 /* Free all spell info. */ |
1065 spell_free_all(); | |
1066 # endif | |
1067 | |
359 | 1068 # if defined(FEAT_USR_CMDS) |
356 | 1069 /* Clear user commands (before deleting buffers). */ |
1070 ex_comclear(NULL); | |
359 | 1071 # endif |
356 | 1072 |
1073 # ifdef FEAT_MENU | |
1074 /* Clear menus. */ | |
1075 do_cmdline_cmd((char_u *)"aunmenu *"); | |
1993 | 1076 # ifdef FEAT_MULTI_LANG |
1077 do_cmdline_cmd((char_u *)"menutranslate clear"); | |
1078 # endif | |
356 | 1079 # endif |
1080 | |
359 | 1081 /* Clear mappings, abbreviations, breakpoints. */ |
1993 | 1082 do_cmdline_cmd((char_u *)"lmapclear"); |
1083 do_cmdline_cmd((char_u *)"xmapclear"); | |
356 | 1084 do_cmdline_cmd((char_u *)"mapclear"); |
1085 do_cmdline_cmd((char_u *)"mapclear!"); | |
1086 do_cmdline_cmd((char_u *)"abclear"); | |
359 | 1087 # if defined(FEAT_EVAL) |
1088 do_cmdline_cmd((char_u *)"breakdel *"); | |
1089 # endif | |
362 | 1090 # if defined(FEAT_PROFILE) |
1091 do_cmdline_cmd((char_u *)"profdel *"); | |
1092 # endif | |
1828 | 1093 # if defined(FEAT_KEYMAP) |
1094 do_cmdline_cmd((char_u *)"set keymap="); | |
1095 #endif | |
359 | 1096 |
1097 # ifdef FEAT_TITLE | |
1098 free_titles(); | |
1099 # endif | |
1100 # if defined(FEAT_SEARCHPATH) | |
1101 free_findfile(); | |
1102 # endif | |
356 | 1103 |
1104 /* Obviously named calls. */ | |
1105 # if defined(FEAT_AUTOCMD) | |
1106 free_all_autocmds(); | |
1107 # endif | |
1108 clear_termcodes(); | |
359 | 1109 free_all_options(); |
1110 free_all_marks(); | |
1111 alist_clear(&global_alist); | |
1112 free_homedir(); | |
1113 free_search_patterns(); | |
1114 free_old_sub(); | |
1115 free_last_insert(); | |
1116 free_prev_shellcmd(); | |
1117 free_regexp_stuff(); | |
1118 free_tag_stuff(); | |
1119 free_cd_dir(); | |
1828 | 1120 # ifdef FEAT_SIGNS |
1121 free_signs(); | |
1122 # endif | |
1446 | 1123 # ifdef FEAT_EVAL |
359 | 1124 set_expr_line(NULL); |
1446 | 1125 # endif |
1126 # ifdef FEAT_DIFF | |
673 | 1127 diff_clear(curtab); |
1446 | 1128 # endif |
626 | 1129 clear_sb_text(); /* free any scrollback text */ |
359 | 1130 |
1131 /* Free some global vars. */ | |
1132 vim_free(username); | |
1422 | 1133 # ifdef FEAT_CLIPBOARD |
359 | 1134 vim_free(clip_exclude_prog); |
1422 | 1135 # endif |
359 | 1136 vim_free(last_cmdline); |
1446 | 1137 # ifdef FEAT_CMDHIST |
359 | 1138 vim_free(new_last_cmdline); |
1446 | 1139 # endif |
680 | 1140 set_keep_msg(NULL, 0); |
359 | 1141 vim_free(ff_expand_buffer); |
356 | 1142 |
1143 /* Clear cmdline history. */ | |
1144 p_hi = 0; | |
1446 | 1145 # ifdef FEAT_CMDHIST |
356 | 1146 init_history(); |
1446 | 1147 # endif |
356 | 1148 |
359 | 1149 #ifdef FEAT_QUICKFIX |
1446 | 1150 { |
1863 | 1151 win_T *win; |
1152 tabpage_T *tab; | |
1446 | 1153 |
1154 qf_free_all(NULL); | |
1155 /* Free all location lists */ | |
1863 | 1156 FOR_ALL_TAB_WINDOWS(tab, win) |
1446 | 1157 qf_free_all(win); |
1158 } | |
359 | 1159 #endif |
1160 | |
1161 /* Close all script inputs. */ | |
1162 close_all_scripts(); | |
1163 | |
1164 #if defined(FEAT_WINDOWS) | |
1165 /* Destroy all windows. Must come before freeing buffers. */ | |
1166 win_free_all(); | |
1167 #endif | |
1168 | |
1576 | 1169 /* Free all buffers. Reset 'autochdir' to avoid accessing things that |
1170 * were freed already. */ | |
1171 #ifdef FEAT_AUTOCHDIR | |
1172 p_acd = FALSE; | |
1173 #endif | |
356 | 1174 for (buf = firstbuf; buf != NULL; ) |
1175 { | |
1176 nextbuf = buf->b_next; | |
3365 | 1177 close_buffer(NULL, buf, DOBUF_WIPE, FALSE); |
356 | 1178 if (buf_valid(buf)) |
1179 buf = nextbuf; /* didn't work, try next one */ | |
1180 else | |
1181 buf = firstbuf; | |
1182 } | |
1183 | |
359 | 1184 #ifdef FEAT_ARABIC |
1185 free_cmdline_buf(); | |
356 | 1186 #endif |
1187 | |
1188 /* Clear registers. */ | |
1189 clear_registers(); | |
1190 ResetRedobuff(); | |
1191 ResetRedobuff(); | |
1192 | |
1071 | 1193 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11) |
359 | 1194 vim_free(serverDelayedStartName); |
1195 #endif | |
1196 | |
356 | 1197 /* highlight info */ |
1198 free_highlight(); | |
1199 | |
362 | 1200 reset_last_sourcing(); |
1201 | |
766 | 1202 #ifdef FEAT_WINDOWS |
853 | 1203 free_tabpage(first_tabpage); |
1204 first_tabpage = NULL; | |
766 | 1205 #endif |
1206 | |
356 | 1207 # ifdef UNIX |
1208 /* Machine-specific free. */ | |
1209 mch_free_mem(); | |
1210 # endif | |
1211 | |
1212 /* message history */ | |
1213 for (;;) | |
1214 if (delete_first_msg() == FAIL) | |
1215 break; | |
1216 | |
1217 # ifdef FEAT_EVAL | |
1218 eval_clear(); | |
1219 # endif | |
1220 | |
359 | 1221 free_termoptions(); |
1222 | |
356 | 1223 /* screenlines (can't display anything now!) */ |
1224 free_screenlines(); | |
1225 | |
1226 #if defined(USE_XSMP) | |
1227 xsmp_close(); | |
1228 #endif | |
359 | 1229 #ifdef FEAT_GUI_GTK |
1230 gui_mch_free_all(); | |
1231 #endif | |
1232 clear_hl_tables(); | |
356 | 1233 |
1234 vim_free(IObuff); | |
1235 vim_free(NameBuff); | |
1236 } | |
1237 #endif | |
1238 | |
7 | 1239 /* |
2656 | 1240 * Copy "string" into newly allocated memory. |
7 | 1241 */ |
1242 char_u * | |
1243 vim_strsave(string) | |
1244 char_u *string; | |
1245 { | |
1246 char_u *p; | |
1247 unsigned len; | |
1248 | |
1249 len = (unsigned)STRLEN(string) + 1; | |
1250 p = alloc(len); | |
1251 if (p != NULL) | |
1252 mch_memmove(p, string, (size_t)len); | |
1253 return p; | |
1254 } | |
1255 | |
2656 | 1256 /* |
1257 * Copy up to "len" bytes of "string" into newly allocated memory and | |
1258 * terminate with a NUL. | |
1259 * The allocated memory always has size "len + 1", also when "string" is | |
1260 * shorter. | |
1261 */ | |
7 | 1262 char_u * |
1263 vim_strnsave(string, len) | |
1264 char_u *string; | |
1265 int len; | |
1266 { | |
1267 char_u *p; | |
1268 | |
1269 p = alloc((unsigned)(len + 1)); | |
1270 if (p != NULL) | |
1271 { | |
1272 STRNCPY(p, string, len); | |
1273 p[len] = NUL; | |
1274 } | |
1275 return p; | |
1276 } | |
1277 | |
1278 /* | |
1279 * Same as vim_strsave(), but any characters found in esc_chars are preceded | |
1280 * by a backslash. | |
1281 */ | |
1282 char_u * | |
1283 vim_strsave_escaped(string, esc_chars) | |
1284 char_u *string; | |
1285 char_u *esc_chars; | |
1286 { | |
16 | 1287 return vim_strsave_escaped_ext(string, esc_chars, '\\', FALSE); |
7 | 1288 } |
1289 | |
1290 /* | |
1291 * Same as vim_strsave_escaped(), but when "bsl" is TRUE also escape | |
1292 * characters where rem_backslash() would remove the backslash. | |
16 | 1293 * Escape the characters with "cc". |
7 | 1294 */ |
1295 char_u * | |
16 | 1296 vim_strsave_escaped_ext(string, esc_chars, cc, bsl) |
7 | 1297 char_u *string; |
1298 char_u *esc_chars; | |
16 | 1299 int cc; |
7 | 1300 int bsl; |
1301 { | |
1302 char_u *p; | |
1303 char_u *p2; | |
1304 char_u *escaped_string; | |
1305 unsigned length; | |
1306 #ifdef FEAT_MBYTE | |
1307 int l; | |
1308 #endif | |
1309 | |
1310 /* | |
1311 * First count the number of backslashes required. | |
1312 * Then allocate the memory and insert them. | |
1313 */ | |
1314 length = 1; /* count the trailing NUL */ | |
1315 for (p = string; *p; p++) | |
1316 { | |
1317 #ifdef FEAT_MBYTE | |
474 | 1318 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 1319 { |
1320 length += l; /* count a multibyte char */ | |
1321 p += l - 1; | |
1322 continue; | |
1323 } | |
1324 #endif | |
1325 if (vim_strchr(esc_chars, *p) != NULL || (bsl && rem_backslash(p))) | |
1326 ++length; /* count a backslash */ | |
1327 ++length; /* count an ordinary char */ | |
1328 } | |
1329 escaped_string = alloc(length); | |
1330 if (escaped_string != NULL) | |
1331 { | |
1332 p2 = escaped_string; | |
1333 for (p = string; *p; p++) | |
1334 { | |
1335 #ifdef FEAT_MBYTE | |
474 | 1336 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 1337 { |
1338 mch_memmove(p2, p, (size_t)l); | |
1339 p2 += l; | |
1340 p += l - 1; /* skip multibyte char */ | |
1341 continue; | |
1342 } | |
1343 #endif | |
1344 if (vim_strchr(esc_chars, *p) != NULL || (bsl && rem_backslash(p))) | |
16 | 1345 *p2++ = cc; |
7 | 1346 *p2++ = *p; |
1347 } | |
1348 *p2 = NUL; | |
1349 } | |
1350 return escaped_string; | |
1351 } | |
1352 | |
1685 | 1353 /* |
1354 * Return TRUE when 'shell' has "csh" in the tail. | |
1355 */ | |
1356 int | |
1357 csh_like_shell() | |
1358 { | |
1359 return (strstr((char *)gettail(p_sh), "csh") != NULL); | |
1360 } | |
1712 | 1361 |
985 | 1362 /* |
1363 * Escape "string" for use as a shell argument with system(). | |
1993 | 1364 * This uses single quotes, except when we know we need to use double quotes |
985 | 1365 * (MS-DOS and MS-Windows without 'shellslash' set). |
1673 | 1366 * Escape a newline, depending on the 'shell' option. |
1367 * When "do_special" is TRUE also replace "!", "%", "#" and things starting | |
1368 * with "<" like "<cfile>". | |
985 | 1369 * Returns the result in allocated memory, NULL if we have run out. |
1370 */ | |
1371 char_u * | |
1661 | 1372 vim_strsave_shellescape(string, do_special) |
985 | 1373 char_u *string; |
1661 | 1374 int do_special; |
985 | 1375 { |
1376 unsigned length; | |
1377 char_u *p; | |
1378 char_u *d; | |
1379 char_u *escaped_string; | |
1661 | 1380 int l; |
1673 | 1381 int csh_like; |
1382 | |
1383 /* Only csh and similar shells expand '!' within single quotes. For sh and | |
1384 * the like we must not put a backslash before it, it will be taken | |
1385 * literally. If do_special is set the '!' will be escaped twice. | |
1386 * Csh also needs to have "\n" escaped twice when do_special is set. */ | |
1685 | 1387 csh_like = csh_like_shell(); |
985 | 1388 |
1389 /* First count the number of extra bytes required. */ | |
1072 | 1390 length = (unsigned)STRLEN(string) + 3; /* two quotes and a trailing NUL */ |
985 | 1391 for (p = string; *p != NUL; mb_ptr_adv(p)) |
1392 { | |
1393 # if defined(WIN32) || defined(WIN16) || defined(DOS) | |
1394 if (!p_ssl) | |
1395 { | |
1396 if (*p == '"') | |
1397 ++length; /* " -> "" */ | |
1398 } | |
1399 else | |
1400 # endif | |
1401 if (*p == '\'') | |
1402 length += 3; /* ' => '\'' */ | |
1673 | 1403 if (*p == '\n' || (*p == '!' && (csh_like || do_special))) |
1404 { | |
1405 ++length; /* insert backslash */ | |
1406 if (csh_like && do_special) | |
1407 ++length; /* insert backslash */ | |
1408 } | |
1661 | 1409 if (do_special && find_cmdline_var(p, &l) >= 0) |
1410 { | |
1411 ++length; /* insert backslash */ | |
1412 p += l - 1; | |
1413 } | |
985 | 1414 } |
1415 | |
1416 /* Allocate memory for the result and fill it. */ | |
1417 escaped_string = alloc(length); | |
1418 if (escaped_string != NULL) | |
1419 { | |
1420 d = escaped_string; | |
1421 | |
1422 /* add opening quote */ | |
1423 # if defined(WIN32) || defined(WIN16) || defined(DOS) | |
1424 if (!p_ssl) | |
1425 *d++ = '"'; | |
1426 else | |
1427 # endif | |
1428 *d++ = '\''; | |
1429 | |
1430 for (p = string; *p != NUL; ) | |
1431 { | |
1432 # if defined(WIN32) || defined(WIN16) || defined(DOS) | |
1433 if (!p_ssl) | |
1434 { | |
1435 if (*p == '"') | |
1436 { | |
1437 *d++ = '"'; | |
1438 *d++ = '"'; | |
1439 ++p; | |
1440 continue; | |
1441 } | |
1442 } | |
1443 else | |
1444 # endif | |
1445 if (*p == '\'') | |
1446 { | |
1661 | 1447 *d++ = '\''; |
1448 *d++ = '\\'; | |
1449 *d++ = '\''; | |
1450 *d++ = '\''; | |
985 | 1451 ++p; |
1452 continue; | |
1453 } | |
1673 | 1454 if (*p == '\n' || (*p == '!' && (csh_like || do_special))) |
1455 { | |
1456 *d++ = '\\'; | |
1457 if (csh_like && do_special) | |
1458 *d++ = '\\'; | |
1459 *d++ = *p++; | |
1460 continue; | |
1461 } | |
1661 | 1462 if (do_special && find_cmdline_var(p, &l) >= 0) |
1463 { | |
1464 *d++ = '\\'; /* insert backslash */ | |
1465 while (--l >= 0) /* copy the var */ | |
1466 *d++ = *p++; | |
2009 | 1467 continue; |
1661 | 1468 } |
985 | 1469 |
1470 MB_COPY_CHAR(p, d); | |
1471 } | |
1472 | |
1473 /* add terminating quote and finish with a NUL */ | |
1474 # if defined(WIN32) || defined(WIN16) || defined(DOS) | |
1475 if (!p_ssl) | |
1476 *d++ = '"'; | |
1477 else | |
1478 # endif | |
1479 *d++ = '\''; | |
1480 *d = NUL; | |
1481 } | |
1482 | |
1483 return escaped_string; | |
1484 } | |
1485 | |
7 | 1486 /* |
1487 * Like vim_strsave(), but make all characters uppercase. | |
1488 * This uses ASCII lower-to-upper case translation, language independent. | |
1489 */ | |
1490 char_u * | |
1491 vim_strsave_up(string) | |
1492 char_u *string; | |
1493 { | |
1494 char_u *p1; | |
1495 | |
1496 p1 = vim_strsave(string); | |
1497 vim_strup(p1); | |
1498 return p1; | |
1499 } | |
1500 | |
1501 /* | |
1502 * Like vim_strnsave(), but make all characters uppercase. | |
1503 * This uses ASCII lower-to-upper case translation, language independent. | |
1504 */ | |
1505 char_u * | |
1506 vim_strnsave_up(string, len) | |
1507 char_u *string; | |
1508 int len; | |
1509 { | |
1510 char_u *p1; | |
1511 | |
1512 p1 = vim_strnsave(string, len); | |
1513 vim_strup(p1); | |
1514 return p1; | |
1515 } | |
1516 | |
1517 /* | |
1518 * ASCII lower-to-upper case translation, language independent. | |
1519 */ | |
1520 void | |
1521 vim_strup(p) | |
1522 char_u *p; | |
1523 { | |
1524 char_u *p2; | |
1525 int c; | |
1526 | |
1527 if (p != NULL) | |
1528 { | |
1529 p2 = p; | |
1530 while ((c = *p2) != NUL) | |
1531 #ifdef EBCDIC | |
1532 *p2++ = isalpha(c) ? toupper(c) : c; | |
1533 #else | |
1534 *p2++ = (c < 'a' || c > 'z') ? c : (c - 0x20); | |
1535 #endif | |
1536 } | |
1537 } | |
1538 | |
741 | 1539 #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) |
323 | 1540 /* |
1541 * Make string "s" all upper-case and return it in allocated memory. | |
1542 * Handles multi-byte characters as well as possible. | |
1543 * Returns NULL when out of memory. | |
1544 */ | |
1545 char_u * | |
1546 strup_save(orig) | |
1547 char_u *orig; | |
1548 { | |
1549 char_u *p; | |
1550 char_u *res; | |
1551 | |
1552 res = p = vim_strsave(orig); | |
1553 | |
1554 if (res != NULL) | |
1555 while (*p != NUL) | |
1556 { | |
1557 # ifdef FEAT_MBYTE | |
1558 int l; | |
1559 | |
1560 if (enc_utf8) | |
1561 { | |
1562 int c, uc; | |
3263 | 1563 int newl; |
323 | 1564 char_u *s; |
1565 | |
1566 c = utf_ptr2char(p); | |
1567 uc = utf_toupper(c); | |
1568 | |
1569 /* Reallocate string when byte count changes. This is rare, | |
1570 * thus it's OK to do another malloc()/free(). */ | |
474 | 1571 l = utf_ptr2len(p); |
3263 | 1572 newl = utf_char2len(uc); |
1573 if (newl != l) | |
323 | 1574 { |
3263 | 1575 s = alloc((unsigned)STRLEN(res) + 1 + newl - l); |
323 | 1576 if (s == NULL) |
1577 break; | |
1578 mch_memmove(s, res, p - res); | |
3263 | 1579 STRCPY(s + (p - res) + newl, p + l); |
323 | 1580 p = s + (p - res); |
1581 vim_free(res); | |
1582 res = s; | |
1583 } | |
1584 | |
1585 utf_char2bytes(uc, p); | |
3263 | 1586 p += newl; |
323 | 1587 } |
474 | 1588 else if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
323 | 1589 p += l; /* skip multi-byte character */ |
1590 else | |
1591 # endif | |
1592 { | |
1593 *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */ | |
1594 p++; | |
1595 } | |
1596 } | |
1597 | |
1598 return res; | |
1599 } | |
1600 #endif | |
1601 | |
7 | 1602 /* |
1603 * copy a space a number of times | |
1604 */ | |
1605 void | |
1606 copy_spaces(ptr, count) | |
1607 char_u *ptr; | |
1608 size_t count; | |
1609 { | |
1610 size_t i = count; | |
1611 char_u *p = ptr; | |
1612 | |
1613 while (i--) | |
1614 *p++ = ' '; | |
1615 } | |
1616 | |
1617 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) | |
1618 /* | |
1619 * Copy a character a number of times. | |
1993 | 1620 * Does not work for multi-byte characters! |
7 | 1621 */ |
1622 void | |
1623 copy_chars(ptr, count, c) | |
1624 char_u *ptr; | |
1625 size_t count; | |
1626 int c; | |
1627 { | |
1628 size_t i = count; | |
1629 char_u *p = ptr; | |
1630 | |
1631 while (i--) | |
1632 *p++ = c; | |
1633 } | |
1634 #endif | |
1635 | |
1636 /* | |
1637 * delete spaces at the end of a string | |
1638 */ | |
1639 void | |
1640 del_trailing_spaces(ptr) | |
1641 char_u *ptr; | |
1642 { | |
1643 char_u *q; | |
1644 | |
1645 q = ptr + STRLEN(ptr); | |
1646 while (--q > ptr && vim_iswhite(q[0]) && q[-1] != '\\' && q[-1] != Ctrl_V) | |
1647 *q = NUL; | |
1648 } | |
1649 | |
1650 /* | |
323 | 1651 * Like strncpy(), but always terminate the result with one NUL. |
378 | 1652 * "to" must be "len + 1" long! |
7 | 1653 */ |
1654 void | |
1655 vim_strncpy(to, from, len) | |
323 | 1656 char_u *to; |
1657 char_u *from; | |
418 | 1658 size_t len; |
7 | 1659 { |
323 | 1660 STRNCPY(to, from, len); |
1661 to[len] = NUL; | |
7 | 1662 } |
1663 | |
1664 /* | |
2768 | 1665 * Like strcat(), but make sure the result fits in "tosize" bytes and is |
1666 * always NUL terminated. | |
1667 */ | |
1668 void | |
1669 vim_strcat(to, from, tosize) | |
1670 char_u *to; | |
1671 char_u *from; | |
1672 size_t tosize; | |
1673 { | |
1674 size_t tolen = STRLEN(to); | |
1675 size_t fromlen = STRLEN(from); | |
1676 | |
1677 if (tolen + fromlen + 1 > tosize) | |
1678 { | |
1679 mch_memmove(to + tolen, from, tosize - tolen - 1); | |
1680 to[tosize - 1] = NUL; | |
1681 } | |
1682 else | |
1683 STRCPY(to + tolen, from); | |
1684 } | |
1685 | |
1686 /* | |
7 | 1687 * Isolate one part of a string option where parts are separated with |
1688 * "sep_chars". | |
459 | 1689 * The part is copied into "buf[maxlen]". |
7 | 1690 * "*option" is advanced to the next part. |
1691 * The length is returned. | |
1692 */ | |
1693 int | |
1694 copy_option_part(option, buf, maxlen, sep_chars) | |
1695 char_u **option; | |
1696 char_u *buf; | |
1697 int maxlen; | |
1698 char *sep_chars; | |
1699 { | |
1700 int len = 0; | |
1701 char_u *p = *option; | |
1702 | |
1703 /* skip '.' at start of option part, for 'suffixes' */ | |
1704 if (*p == '.') | |
1705 buf[len++] = *p++; | |
1706 while (*p != NUL && vim_strchr((char_u *)sep_chars, *p) == NULL) | |
1707 { | |
1708 /* | |
1709 * Skip backslash before a separator character and space. | |
1710 */ | |
1711 if (p[0] == '\\' && vim_strchr((char_u *)sep_chars, p[1]) != NULL) | |
1712 ++p; | |
1713 if (len < maxlen - 1) | |
1714 buf[len++] = *p; | |
1715 ++p; | |
1716 } | |
1717 buf[len] = NUL; | |
1718 | |
1719 if (*p != NUL && *p != ',') /* skip non-standard separator */ | |
1720 ++p; | |
1721 p = skip_to_option_part(p); /* p points to next file name */ | |
1722 | |
1723 *option = p; | |
1724 return len; | |
1725 } | |
1726 | |
1727 /* | |
625 | 1728 * Replacement for free() that ignores NULL pointers. |
1729 * Also skip free() when exiting for sure, this helps when we caught a deadly | |
1730 * signal that was caused by a crash in free(). | |
7 | 1731 */ |
1732 void | |
1733 vim_free(x) | |
1734 void *x; | |
1735 { | |
625 | 1736 if (x != NULL && !really_exiting) |
7 | 1737 { |
1738 #ifdef MEM_PROFILE | |
1739 mem_pre_free(&x); | |
1740 #endif | |
1741 free(x); | |
1742 } | |
1743 } | |
1744 | |
1745 #ifndef HAVE_MEMSET | |
1746 void * | |
1747 vim_memset(ptr, c, size) | |
1748 void *ptr; | |
1749 int c; | |
1750 size_t size; | |
1751 { | |
1752 char *p = ptr; | |
1753 | |
1754 while (size-- > 0) | |
1755 *p++ = c; | |
1756 return ptr; | |
1757 } | |
1758 #endif | |
1759 | |
1760 #ifdef VIM_MEMCMP | |
1761 /* | |
1762 * Return zero when "b1" and "b2" are the same for "len" bytes. | |
1763 * Return non-zero otherwise. | |
1764 */ | |
1765 int | |
1766 vim_memcmp(b1, b2, len) | |
1767 void *b1; | |
1768 void *b2; | |
1769 size_t len; | |
1770 { | |
1771 char_u *p1 = (char_u *)b1, *p2 = (char_u *)b2; | |
1772 | |
1773 for ( ; len > 0; --len) | |
1774 { | |
1775 if (*p1 != *p2) | |
1776 return 1; | |
1777 ++p1; | |
1778 ++p2; | |
1779 } | |
1780 return 0; | |
1781 } | |
1782 #endif | |
1783 | |
1784 #ifdef VIM_MEMMOVE | |
1785 /* | |
1786 * Version of memmove() that handles overlapping source and destination. | |
1787 * For systems that don't have a function that is guaranteed to do that (SYSV). | |
1788 */ | |
1789 void | |
1790 mch_memmove(dst_arg, src_arg, len) | |
1791 void *src_arg, *dst_arg; | |
1792 size_t len; | |
1793 { | |
1794 /* | |
1795 * A void doesn't have a size, we use char pointers. | |
1796 */ | |
1797 char *dst = dst_arg, *src = src_arg; | |
1798 | |
1799 /* overlap, copy backwards */ | |
1800 if (dst > src && dst < src + len) | |
1801 { | |
1802 src += len; | |
1803 dst += len; | |
1804 while (len-- > 0) | |
1805 *--dst = *--src; | |
1806 } | |
1807 else /* copy forwards */ | |
1808 while (len-- > 0) | |
1809 *dst++ = *src++; | |
1810 } | |
1811 #endif | |
1812 | |
1813 #if (!defined(HAVE_STRCASECMP) && !defined(HAVE_STRICMP)) || defined(PROTO) | |
1814 /* | |
1815 * Compare two strings, ignoring case, using current locale. | |
1816 * Doesn't work for multi-byte characters. | |
1817 * return 0 for match, < 0 for smaller, > 0 for bigger | |
1818 */ | |
1819 int | |
1820 vim_stricmp(s1, s2) | |
1821 char *s1; | |
1822 char *s2; | |
1823 { | |
1824 int i; | |
1825 | |
1826 for (;;) | |
1827 { | |
1828 i = (int)TOLOWER_LOC(*s1) - (int)TOLOWER_LOC(*s2); | |
1829 if (i != 0) | |
1830 return i; /* this character different */ | |
1831 if (*s1 == NUL) | |
1832 break; /* strings match until NUL */ | |
1833 ++s1; | |
1834 ++s2; | |
1835 } | |
1836 return 0; /* strings match */ | |
1837 } | |
1838 #endif | |
1839 | |
1840 #if (!defined(HAVE_STRNCASECMP) && !defined(HAVE_STRNICMP)) || defined(PROTO) | |
1841 /* | |
1842 * Compare two strings, for length "len", ignoring case, using current locale. | |
1843 * Doesn't work for multi-byte characters. | |
1844 * return 0 for match, < 0 for smaller, > 0 for bigger | |
1845 */ | |
1846 int | |
1847 vim_strnicmp(s1, s2, len) | |
1848 char *s1; | |
1849 char *s2; | |
1850 size_t len; | |
1851 { | |
1852 int i; | |
1853 | |
1854 while (len > 0) | |
1855 { | |
1856 i = (int)TOLOWER_LOC(*s1) - (int)TOLOWER_LOC(*s2); | |
1857 if (i != 0) | |
1858 return i; /* this character different */ | |
1859 if (*s1 == NUL) | |
1860 break; /* strings match until NUL */ | |
1861 ++s1; | |
1862 ++s2; | |
1863 --len; | |
1864 } | |
1865 return 0; /* strings match */ | |
1866 } | |
1867 #endif | |
1868 | |
1869 /* | |
1870 * Version of strchr() and strrchr() that handle unsigned char strings | |
170 | 1871 * with characters from 128 to 255 correctly. It also doesn't return a |
1872 * pointer to the NUL at the end of the string. | |
7 | 1873 */ |
1874 char_u * | |
1875 vim_strchr(string, c) | |
1876 char_u *string; | |
1877 int c; | |
1878 { | |
1879 char_u *p; | |
1880 int b; | |
1881 | |
1882 p = string; | |
1883 #ifdef FEAT_MBYTE | |
1884 if (enc_utf8 && c >= 0x80) | |
1885 { | |
1886 while (*p != NUL) | |
1887 { | |
1888 if (utf_ptr2char(p) == c) | |
1889 return p; | |
474 | 1890 p += (*mb_ptr2len)(p); |
7 | 1891 } |
1892 return NULL; | |
1893 } | |
1894 if (enc_dbcs != 0 && c > 255) | |
1895 { | |
1896 int n2 = c & 0xff; | |
1897 | |
1898 c = ((unsigned)c >> 8) & 0xff; | |
1899 while ((b = *p) != NUL) | |
1900 { | |
1901 if (b == c && p[1] == n2) | |
1902 return p; | |
474 | 1903 p += (*mb_ptr2len)(p); |
7 | 1904 } |
1905 return NULL; | |
1906 } | |
1907 if (has_mbyte) | |
1908 { | |
1909 while ((b = *p) != NUL) | |
1910 { | |
1911 if (b == c) | |
1912 return p; | |
474 | 1913 p += (*mb_ptr2len)(p); |
7 | 1914 } |
1915 return NULL; | |
1916 } | |
1917 #endif | |
1918 while ((b = *p) != NUL) | |
1919 { | |
1920 if (b == c) | |
1921 return p; | |
1922 ++p; | |
1923 } | |
1924 return NULL; | |
1925 } | |
1926 | |
1927 /* | |
170 | 1928 * Version of strchr() that only works for bytes and handles unsigned char |
1929 * strings with characters above 128 correctly. It also doesn't return a | |
1930 * pointer to the NUL at the end of the string. | |
1931 */ | |
1932 char_u * | |
1933 vim_strbyte(string, c) | |
1934 char_u *string; | |
1935 int c; | |
1936 { | |
1937 char_u *p = string; | |
1938 | |
1939 while (*p != NUL) | |
1940 { | |
1941 if (*p == c) | |
1942 return p; | |
1943 ++p; | |
1944 } | |
1945 return NULL; | |
1946 } | |
1947 | |
1948 /* | |
7 | 1949 * Search for last occurrence of "c" in "string". |
500 | 1950 * Return NULL if not found. |
170 | 1951 * Does not handle multi-byte char for "c"! |
7 | 1952 */ |
1953 char_u * | |
1954 vim_strrchr(string, c) | |
1955 char_u *string; | |
1956 int c; | |
1957 { | |
1958 char_u *retval = NULL; | |
170 | 1959 char_u *p = string; |
1960 | |
1961 while (*p) | |
7 | 1962 { |
170 | 1963 if (*p == c) |
1964 retval = p; | |
1965 mb_ptr_adv(p); | |
7 | 1966 } |
1967 return retval; | |
1968 } | |
1969 | |
1970 /* | |
1971 * Vim's version of strpbrk(), in case it's missing. | |
1972 * Don't generate a prototype for this, causes problems when it's not used. | |
1973 */ | |
1974 #ifndef PROTO | |
1975 # ifndef HAVE_STRPBRK | |
1976 # ifdef vim_strpbrk | |
1977 # undef vim_strpbrk | |
1978 # endif | |
1979 char_u * | |
1980 vim_strpbrk(s, charset) | |
1981 char_u *s; | |
1982 char_u *charset; | |
1983 { | |
1984 while (*s) | |
1985 { | |
1986 if (vim_strchr(charset, *s) != NULL) | |
1987 return s; | |
39 | 1988 mb_ptr_adv(s); |
7 | 1989 } |
1990 return NULL; | |
1991 } | |
1992 # endif | |
1993 #endif | |
1994 | |
1995 /* | |
1996 * Vim has its own isspace() function, because on some machines isspace() | |
1997 * can't handle characters above 128. | |
1998 */ | |
1999 int | |
2000 vim_isspace(x) | |
2001 int x; | |
2002 { | |
2003 return ((x >= 9 && x <= 13) || x == ' '); | |
2004 } | |
2005 | |
2006 /************************************************************************ | |
119 | 2007 * Functions for handling growing arrays. |
7 | 2008 */ |
2009 | |
2010 /* | |
2011 * Clear an allocated growing array. | |
2012 */ | |
2013 void | |
2014 ga_clear(gap) | |
2015 garray_T *gap; | |
2016 { | |
2017 vim_free(gap->ga_data); | |
2018 ga_init(gap); | |
2019 } | |
2020 | |
2021 /* | |
2022 * Clear a growing array that contains a list of strings. | |
2023 */ | |
2024 void | |
2025 ga_clear_strings(gap) | |
2026 garray_T *gap; | |
2027 { | |
2028 int i; | |
2029 | |
2030 for (i = 0; i < gap->ga_len; ++i) | |
2031 vim_free(((char_u **)(gap->ga_data))[i]); | |
2032 ga_clear(gap); | |
2033 } | |
2034 | |
2035 /* | |
2036 * Initialize a growing array. Don't forget to set ga_itemsize and | |
2037 * ga_growsize! Or use ga_init2(). | |
2038 */ | |
2039 void | |
2040 ga_init(gap) | |
2041 garray_T *gap; | |
2042 { | |
2043 gap->ga_data = NULL; | |
41 | 2044 gap->ga_maxlen = 0; |
7 | 2045 gap->ga_len = 0; |
2046 } | |
2047 | |
2048 void | |
2049 ga_init2(gap, itemsize, growsize) | |
2050 garray_T *gap; | |
2051 int itemsize; | |
2052 int growsize; | |
2053 { | |
2054 ga_init(gap); | |
2055 gap->ga_itemsize = itemsize; | |
2056 gap->ga_growsize = growsize; | |
2057 } | |
2058 | |
2059 /* | |
2060 * Make room in growing array "gap" for at least "n" items. | |
2061 * Return FAIL for failure, OK otherwise. | |
2062 */ | |
2063 int | |
2064 ga_grow(gap, n) | |
2065 garray_T *gap; | |
2066 int n; | |
2067 { | |
3376 | 2068 size_t old_len; |
2069 size_t new_len; | |
7 | 2070 char_u *pp; |
2071 | |
41 | 2072 if (gap->ga_maxlen - gap->ga_len < n) |
7 | 2073 { |
2074 if (n < gap->ga_growsize) | |
2075 n = gap->ga_growsize; | |
3376 | 2076 new_len = gap->ga_itemsize * (gap->ga_len + n); |
2077 pp = (gap->ga_data == NULL) | |
3386 | 2078 ? alloc((unsigned)new_len) : vim_realloc(gap->ga_data, new_len); |
7 | 2079 if (pp == NULL) |
2080 return FAIL; | |
3376 | 2081 old_len = gap->ga_itemsize * gap->ga_maxlen; |
2082 vim_memset(pp + old_len, 0, new_len - old_len); | |
41 | 2083 gap->ga_maxlen = gap->ga_len + n; |
7 | 2084 gap->ga_data = pp; |
2085 } | |
2086 return OK; | |
2087 } | |
2088 | |
2089 /* | |
2487
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2090 * For a growing array that contains a list of strings: concatenate all the |
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2091 * strings with a separating comma. |
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2092 * Returns NULL when out of memory. |
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2093 */ |
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2094 char_u * |
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2095 ga_concat_strings(gap) |
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2096 garray_T *gap; |
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2097 { |
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2098 int i; |
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2099 int len = 0; |
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2100 char_u *s; |
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2101 |
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2102 for (i = 0; i < gap->ga_len; ++i) |
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2103 len += (int)STRLEN(((char_u **)(gap->ga_data))[i]) + 1; |
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2104 |
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2105 s = alloc(len + 1); |
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2106 if (s != NULL) |
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2107 { |
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2108 *s = NUL; |
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2109 for (i = 0; i < gap->ga_len; ++i) |
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2110 { |
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2111 if (*s != NUL) |
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2112 STRCAT(s, ","); |
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2113 STRCAT(s, ((char_u **)(gap->ga_data))[i]); |
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2114 } |
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2115 } |
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2116 return s; |
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2117 } |
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2118 |
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2119 /* |
7 | 2120 * Concatenate a string to a growarray which contains characters. |
2121 * Note: Does NOT copy the NUL at the end! | |
2122 */ | |
2123 void | |
2124 ga_concat(gap, s) | |
2125 garray_T *gap; | |
2126 char_u *s; | |
2127 { | |
2128 int len = (int)STRLEN(s); | |
2129 | |
2130 if (ga_grow(gap, len) == OK) | |
2131 { | |
2132 mch_memmove((char *)gap->ga_data + gap->ga_len, s, (size_t)len); | |
2133 gap->ga_len += len; | |
2134 } | |
2135 } | |
2136 | |
2137 /* | |
2138 * Append one byte to a growarray which contains bytes. | |
2139 */ | |
2140 void | |
2141 ga_append(gap, c) | |
2142 garray_T *gap; | |
2143 int c; | |
2144 { | |
2145 if (ga_grow(gap, 1) == OK) | |
2146 { | |
2147 *((char *)gap->ga_data + gap->ga_len) = c; | |
2148 ++gap->ga_len; | |
2149 } | |
2150 } | |
2151 | |
2935 | 2152 #if (defined(UNIX) && !defined(USE_SYSTEM)) || defined(WIN3264) |
2153 /* | |
2154 * Append the text in "gap" below the cursor line and clear "gap". | |
2155 */ | |
2156 void | |
2157 append_ga_line(gap) | |
2158 garray_T *gap; | |
2159 { | |
2160 /* Remove trailing CR. */ | |
2161 if (gap->ga_len > 0 | |
2162 && !curbuf->b_p_bin | |
2163 && ((char_u *)gap->ga_data)[gap->ga_len - 1] == CAR) | |
2164 --gap->ga_len; | |
2165 ga_append(gap, NUL); | |
2166 ml_append(curwin->w_cursor.lnum++, gap->ga_data, 0, FALSE); | |
2167 gap->ga_len = 0; | |
2168 } | |
2169 #endif | |
2170 | |
7 | 2171 /************************************************************************ |
2172 * functions that use lookup tables for various things, generally to do with | |
2173 * special key codes. | |
2174 */ | |
2175 | |
2176 /* | |
2177 * Some useful tables. | |
2178 */ | |
2179 | |
2180 static struct modmasktable | |
2181 { | |
2182 short mod_mask; /* Bit-mask for particular key modifier */ | |
2183 short mod_flag; /* Bit(s) for particular key modifier */ | |
2184 char_u name; /* Single letter name of modifier */ | |
2185 } mod_mask_table[] = | |
2186 { | |
2187 {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'M'}, | |
179 | 2188 {MOD_MASK_META, MOD_MASK_META, (char_u)'T'}, |
7 | 2189 {MOD_MASK_CTRL, MOD_MASK_CTRL, (char_u)'C'}, |
2190 {MOD_MASK_SHIFT, MOD_MASK_SHIFT, (char_u)'S'}, | |
2191 {MOD_MASK_MULTI_CLICK, MOD_MASK_2CLICK, (char_u)'2'}, | |
2192 {MOD_MASK_MULTI_CLICK, MOD_MASK_3CLICK, (char_u)'3'}, | |
2193 {MOD_MASK_MULTI_CLICK, MOD_MASK_4CLICK, (char_u)'4'}, | |
2194 #ifdef MACOS | |
2195 {MOD_MASK_CMD, MOD_MASK_CMD, (char_u)'D'}, | |
2196 #endif | |
2197 /* 'A' must be the last one */ | |
2198 {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'A'}, | |
2199 {0, 0, NUL} | |
2200 }; | |
2201 | |
2202 /* | |
2203 * Shifted key terminal codes and their unshifted equivalent. | |
1209 | 2204 * Don't add mouse codes here, they are handled separately! |
7 | 2205 */ |
2206 #define MOD_KEYS_ENTRY_SIZE 5 | |
2207 | |
2208 static char_u modifier_keys_table[] = | |
2209 { | |
2210 /* mod mask with modifier without modifier */ | |
2211 MOD_MASK_SHIFT, '&', '9', '@', '1', /* begin */ | |
2212 MOD_MASK_SHIFT, '&', '0', '@', '2', /* cancel */ | |
2213 MOD_MASK_SHIFT, '*', '1', '@', '4', /* command */ | |
2214 MOD_MASK_SHIFT, '*', '2', '@', '5', /* copy */ | |
2215 MOD_MASK_SHIFT, '*', '3', '@', '6', /* create */ | |
2216 MOD_MASK_SHIFT, '*', '4', 'k', 'D', /* delete char */ | |
2217 MOD_MASK_SHIFT, '*', '5', 'k', 'L', /* delete line */ | |
2218 MOD_MASK_SHIFT, '*', '7', '@', '7', /* end */ | |
2219 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_END, '@', '7', /* end */ | |
2220 MOD_MASK_SHIFT, '*', '9', '@', '9', /* exit */ | |
2221 MOD_MASK_SHIFT, '*', '0', '@', '0', /* find */ | |
2222 MOD_MASK_SHIFT, '#', '1', '%', '1', /* help */ | |
2223 MOD_MASK_SHIFT, '#', '2', 'k', 'h', /* home */ | |
2224 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_HOME, 'k', 'h', /* home */ | |
2225 MOD_MASK_SHIFT, '#', '3', 'k', 'I', /* insert */ | |
2226 MOD_MASK_SHIFT, '#', '4', 'k', 'l', /* left arrow */ | |
2227 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_LEFT, 'k', 'l', /* left arrow */ | |
2228 MOD_MASK_SHIFT, '%', 'a', '%', '3', /* message */ | |
2229 MOD_MASK_SHIFT, '%', 'b', '%', '4', /* move */ | |
2230 MOD_MASK_SHIFT, '%', 'c', '%', '5', /* next */ | |
2231 MOD_MASK_SHIFT, '%', 'd', '%', '7', /* options */ | |
2232 MOD_MASK_SHIFT, '%', 'e', '%', '8', /* previous */ | |
2233 MOD_MASK_SHIFT, '%', 'f', '%', '9', /* print */ | |
2234 MOD_MASK_SHIFT, '%', 'g', '%', '0', /* redo */ | |
2235 MOD_MASK_SHIFT, '%', 'h', '&', '3', /* replace */ | |
2236 MOD_MASK_SHIFT, '%', 'i', 'k', 'r', /* right arr. */ | |
2237 MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_RIGHT, 'k', 'r', /* right arr. */ | |
2238 MOD_MASK_SHIFT, '%', 'j', '&', '5', /* resume */ | |
2239 MOD_MASK_SHIFT, '!', '1', '&', '6', /* save */ | |
2240 MOD_MASK_SHIFT, '!', '2', '&', '7', /* suspend */ | |
2241 MOD_MASK_SHIFT, '!', '3', '&', '8', /* undo */ | |
2242 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_UP, 'k', 'u', /* up arrow */ | |
2243 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_DOWN, 'k', 'd', /* down arrow */ | |
2244 | |
2245 /* vt100 F1 */ | |
2246 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF1, KS_EXTRA, (int)KE_XF1, | |
2247 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF2, KS_EXTRA, (int)KE_XF2, | |
2248 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF3, KS_EXTRA, (int)KE_XF3, | |
2249 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF4, KS_EXTRA, (int)KE_XF4, | |
2250 | |
2251 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F1, 'k', '1', /* F1 */ | |
2252 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F2, 'k', '2', | |
2253 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F3, 'k', '3', | |
2254 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F4, 'k', '4', | |
2255 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F5, 'k', '5', | |
2256 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F6, 'k', '6', | |
2257 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F7, 'k', '7', | |
2258 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F8, 'k', '8', | |
2259 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F9, 'k', '9', | |
2260 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F10, 'k', ';', /* F10 */ | |
2261 | |
2262 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F11, 'F', '1', | |
2263 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F12, 'F', '2', | |
2264 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F13, 'F', '3', | |
2265 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F14, 'F', '4', | |
2266 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F15, 'F', '5', | |
2267 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F16, 'F', '6', | |
2268 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F17, 'F', '7', | |
2269 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F18, 'F', '8', | |
2270 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F19, 'F', '9', | |
2271 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F20, 'F', 'A', | |
2272 | |
2273 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F21, 'F', 'B', | |
2274 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F22, 'F', 'C', | |
2275 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F23, 'F', 'D', | |
2276 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F24, 'F', 'E', | |
2277 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F25, 'F', 'F', | |
2278 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F26, 'F', 'G', | |
2279 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F27, 'F', 'H', | |
2280 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F28, 'F', 'I', | |
2281 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F29, 'F', 'J', | |
2282 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F30, 'F', 'K', | |
2283 | |
2284 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F31, 'F', 'L', | |
2285 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F32, 'F', 'M', | |
2286 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F33, 'F', 'N', | |
2287 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F34, 'F', 'O', | |
2288 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F35, 'F', 'P', | |
2289 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F36, 'F', 'Q', | |
2290 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F37, 'F', 'R', | |
2291 | |
2292 /* TAB pseudo code*/ | |
2293 MOD_MASK_SHIFT, 'k', 'B', KS_EXTRA, (int)KE_TAB, | |
2294 | |
2295 NUL | |
2296 }; | |
2297 | |
2298 static struct key_name_entry | |
2299 { | |
2300 int key; /* Special key code or ascii value */ | |
2301 char_u *name; /* Name of key */ | |
2302 } key_names_table[] = | |
2303 { | |
2304 {' ', (char_u *)"Space"}, | |
2305 {TAB, (char_u *)"Tab"}, | |
2306 {K_TAB, (char_u *)"Tab"}, | |
2307 {NL, (char_u *)"NL"}, | |
2308 {NL, (char_u *)"NewLine"}, /* Alternative name */ | |
2309 {NL, (char_u *)"LineFeed"}, /* Alternative name */ | |
2310 {NL, (char_u *)"LF"}, /* Alternative name */ | |
2311 {CAR, (char_u *)"CR"}, | |
2312 {CAR, (char_u *)"Return"}, /* Alternative name */ | |
2313 {CAR, (char_u *)"Enter"}, /* Alternative name */ | |
2314 {K_BS, (char_u *)"BS"}, | |
2315 {K_BS, (char_u *)"BackSpace"}, /* Alternative name */ | |
2316 {ESC, (char_u *)"Esc"}, | |
2317 {CSI, (char_u *)"CSI"}, | |
2318 {K_CSI, (char_u *)"xCSI"}, | |
2319 {'|', (char_u *)"Bar"}, | |
2320 {'\\', (char_u *)"Bslash"}, | |
2321 {K_DEL, (char_u *)"Del"}, | |
2322 {K_DEL, (char_u *)"Delete"}, /* Alternative name */ | |
2323 {K_KDEL, (char_u *)"kDel"}, | |
2324 {K_UP, (char_u *)"Up"}, | |
2325 {K_DOWN, (char_u *)"Down"}, | |
2326 {K_LEFT, (char_u *)"Left"}, | |
2327 {K_RIGHT, (char_u *)"Right"}, | |
180 | 2328 {K_XUP, (char_u *)"xUp"}, |
2329 {K_XDOWN, (char_u *)"xDown"}, | |
2330 {K_XLEFT, (char_u *)"xLeft"}, | |
2331 {K_XRIGHT, (char_u *)"xRight"}, | |
7 | 2332 |
2333 {K_F1, (char_u *)"F1"}, | |
2334 {K_F2, (char_u *)"F2"}, | |
2335 {K_F3, (char_u *)"F3"}, | |
2336 {K_F4, (char_u *)"F4"}, | |
2337 {K_F5, (char_u *)"F5"}, | |
2338 {K_F6, (char_u *)"F6"}, | |
2339 {K_F7, (char_u *)"F7"}, | |
2340 {K_F8, (char_u *)"F8"}, | |
2341 {K_F9, (char_u *)"F9"}, | |
2342 {K_F10, (char_u *)"F10"}, | |
2343 | |
2344 {K_F11, (char_u *)"F11"}, | |
2345 {K_F12, (char_u *)"F12"}, | |
2346 {K_F13, (char_u *)"F13"}, | |
2347 {K_F14, (char_u *)"F14"}, | |
2348 {K_F15, (char_u *)"F15"}, | |
2349 {K_F16, (char_u *)"F16"}, | |
2350 {K_F17, (char_u *)"F17"}, | |
2351 {K_F18, (char_u *)"F18"}, | |
2352 {K_F19, (char_u *)"F19"}, | |
2353 {K_F20, (char_u *)"F20"}, | |
2354 | |
2355 {K_F21, (char_u *)"F21"}, | |
2356 {K_F22, (char_u *)"F22"}, | |
2357 {K_F23, (char_u *)"F23"}, | |
2358 {K_F24, (char_u *)"F24"}, | |
2359 {K_F25, (char_u *)"F25"}, | |
2360 {K_F26, (char_u *)"F26"}, | |
2361 {K_F27, (char_u *)"F27"}, | |
2362 {K_F28, (char_u *)"F28"}, | |
2363 {K_F29, (char_u *)"F29"}, | |
2364 {K_F30, (char_u *)"F30"}, | |
2365 | |
2366 {K_F31, (char_u *)"F31"}, | |
2367 {K_F32, (char_u *)"F32"}, | |
2368 {K_F33, (char_u *)"F33"}, | |
2369 {K_F34, (char_u *)"F34"}, | |
2370 {K_F35, (char_u *)"F35"}, | |
2371 {K_F36, (char_u *)"F36"}, | |
2372 {K_F37, (char_u *)"F37"}, | |
2373 | |
2374 {K_XF1, (char_u *)"xF1"}, | |
2375 {K_XF2, (char_u *)"xF2"}, | |
2376 {K_XF3, (char_u *)"xF3"}, | |
2377 {K_XF4, (char_u *)"xF4"}, | |
2378 | |
2379 {K_HELP, (char_u *)"Help"}, | |
2380 {K_UNDO, (char_u *)"Undo"}, | |
2381 {K_INS, (char_u *)"Insert"}, | |
2382 {K_INS, (char_u *)"Ins"}, /* Alternative name */ | |
2383 {K_KINS, (char_u *)"kInsert"}, | |
2384 {K_HOME, (char_u *)"Home"}, | |
2385 {K_KHOME, (char_u *)"kHome"}, | |
2386 {K_XHOME, (char_u *)"xHome"}, | |
230 | 2387 {K_ZHOME, (char_u *)"zHome"}, |
7 | 2388 {K_END, (char_u *)"End"}, |
2389 {K_KEND, (char_u *)"kEnd"}, | |
2390 {K_XEND, (char_u *)"xEnd"}, | |
230 | 2391 {K_ZEND, (char_u *)"zEnd"}, |
7 | 2392 {K_PAGEUP, (char_u *)"PageUp"}, |
2393 {K_PAGEDOWN, (char_u *)"PageDown"}, | |
2394 {K_KPAGEUP, (char_u *)"kPageUp"}, | |
2395 {K_KPAGEDOWN, (char_u *)"kPageDown"}, | |
2396 | |
2397 {K_KPLUS, (char_u *)"kPlus"}, | |
2398 {K_KMINUS, (char_u *)"kMinus"}, | |
2399 {K_KDIVIDE, (char_u *)"kDivide"}, | |
2400 {K_KMULTIPLY, (char_u *)"kMultiply"}, | |
2401 {K_KENTER, (char_u *)"kEnter"}, | |
2402 {K_KPOINT, (char_u *)"kPoint"}, | |
2403 | |
2404 {K_K0, (char_u *)"k0"}, | |
2405 {K_K1, (char_u *)"k1"}, | |
2406 {K_K2, (char_u *)"k2"}, | |
2407 {K_K3, (char_u *)"k3"}, | |
2408 {K_K4, (char_u *)"k4"}, | |
2409 {K_K5, (char_u *)"k5"}, | |
2410 {K_K6, (char_u *)"k6"}, | |
2411 {K_K7, (char_u *)"k7"}, | |
2412 {K_K8, (char_u *)"k8"}, | |
2413 {K_K9, (char_u *)"k9"}, | |
2414 | |
2415 {'<', (char_u *)"lt"}, | |
2416 | |
2417 {K_MOUSE, (char_u *)"Mouse"}, | |
3273 | 2418 #ifdef FEAT_MOUSE_NET |
7 | 2419 {K_NETTERM_MOUSE, (char_u *)"NetMouse"}, |
3273 | 2420 #endif |
2421 #ifdef FEAT_MOUSE_DEC | |
7 | 2422 {K_DEC_MOUSE, (char_u *)"DecMouse"}, |
3273 | 2423 #endif |
2424 #ifdef FEAT_MOUSE_JSB | |
7 | 2425 {K_JSBTERM_MOUSE, (char_u *)"JsbMouse"}, |
3273 | 2426 #endif |
2427 #ifdef FEAT_MOUSE_PTERM | |
7 | 2428 {K_PTERM_MOUSE, (char_u *)"PtermMouse"}, |
3273 | 2429 #endif |
2430 #ifdef FEAT_MOUSE_URXVT | |
2431 {K_URXVT_MOUSE, (char_u *)"UrxvtMouse"}, | |
2432 #endif | |
7 | 2433 {K_LEFTMOUSE, (char_u *)"LeftMouse"}, |
2434 {K_LEFTMOUSE_NM, (char_u *)"LeftMouseNM"}, | |
2435 {K_LEFTDRAG, (char_u *)"LeftDrag"}, | |
2436 {K_LEFTRELEASE, (char_u *)"LeftRelease"}, | |
2437 {K_LEFTRELEASE_NM, (char_u *)"LeftReleaseNM"}, | |
2438 {K_MIDDLEMOUSE, (char_u *)"MiddleMouse"}, | |
2439 {K_MIDDLEDRAG, (char_u *)"MiddleDrag"}, | |
2440 {K_MIDDLERELEASE, (char_u *)"MiddleRelease"}, | |
2441 {K_RIGHTMOUSE, (char_u *)"RightMouse"}, | |
2442 {K_RIGHTDRAG, (char_u *)"RightDrag"}, | |
2443 {K_RIGHTRELEASE, (char_u *)"RightRelease"}, | |
2409
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diff
changeset
|
2444 {K_MOUSEDOWN, (char_u *)"ScrollWheelUp"}, |
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parents:
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diff
changeset
|
2445 {K_MOUSEUP, (char_u *)"ScrollWheelDown"}, |
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Add support for horizontal scroll wheel. (Bjorn Winckler)
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parents:
2363
diff
changeset
|
2446 {K_MOUSELEFT, (char_u *)"ScrollWheelRight"}, |
0ca06a92adfb
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diff
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|
2447 {K_MOUSERIGHT, (char_u *)"ScrollWheelLeft"}, |
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diff
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|
2448 {K_MOUSEDOWN, (char_u *)"MouseDown"}, /* OBSOLETE: Use */ |
0ca06a92adfb
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diff
changeset
|
2449 {K_MOUSEUP, (char_u *)"MouseUp"}, /* ScrollWheelXXX instead */ |
7 | 2450 {K_X1MOUSE, (char_u *)"X1Mouse"}, |
2451 {K_X1DRAG, (char_u *)"X1Drag"}, | |
2452 {K_X1RELEASE, (char_u *)"X1Release"}, | |
2453 {K_X2MOUSE, (char_u *)"X2Mouse"}, | |
2454 {K_X2DRAG, (char_u *)"X2Drag"}, | |
2455 {K_X2RELEASE, (char_u *)"X2Release"}, | |
2456 {K_DROP, (char_u *)"Drop"}, | |
2457 {K_ZERO, (char_u *)"Nul"}, | |
2458 #ifdef FEAT_EVAL | |
2459 {K_SNR, (char_u *)"SNR"}, | |
2460 #endif | |
2461 {K_PLUG, (char_u *)"Plug"}, | |
2462 {0, NULL} | |
2463 }; | |
2464 | |
2465 #define KEY_NAMES_TABLE_LEN (sizeof(key_names_table) / sizeof(struct key_name_entry)) | |
2466 | |
2467 #ifdef FEAT_MOUSE | |
2468 static struct mousetable | |
2469 { | |
2470 int pseudo_code; /* Code for pseudo mouse event */ | |
2471 int button; /* Which mouse button is it? */ | |
2472 int is_click; /* Is it a mouse button click event? */ | |
2473 int is_drag; /* Is it a mouse drag event? */ | |
2474 } mouse_table[] = | |
2475 { | |
2476 {(int)KE_LEFTMOUSE, MOUSE_LEFT, TRUE, FALSE}, | |
2477 #ifdef FEAT_GUI | |
2478 {(int)KE_LEFTMOUSE_NM, MOUSE_LEFT, TRUE, FALSE}, | |
2479 #endif | |
2480 {(int)KE_LEFTDRAG, MOUSE_LEFT, FALSE, TRUE}, | |
2481 {(int)KE_LEFTRELEASE, MOUSE_LEFT, FALSE, FALSE}, | |
2482 #ifdef FEAT_GUI | |
2483 {(int)KE_LEFTRELEASE_NM, MOUSE_LEFT, FALSE, FALSE}, | |
2484 #endif | |
2485 {(int)KE_MIDDLEMOUSE, MOUSE_MIDDLE, TRUE, FALSE}, | |
2486 {(int)KE_MIDDLEDRAG, MOUSE_MIDDLE, FALSE, TRUE}, | |
2487 {(int)KE_MIDDLERELEASE, MOUSE_MIDDLE, FALSE, FALSE}, | |
2488 {(int)KE_RIGHTMOUSE, MOUSE_RIGHT, TRUE, FALSE}, | |
2489 {(int)KE_RIGHTDRAG, MOUSE_RIGHT, FALSE, TRUE}, | |
2490 {(int)KE_RIGHTRELEASE, MOUSE_RIGHT, FALSE, FALSE}, | |
2491 {(int)KE_X1MOUSE, MOUSE_X1, TRUE, FALSE}, | |
2492 {(int)KE_X1DRAG, MOUSE_X1, FALSE, TRUE}, | |
2493 {(int)KE_X1RELEASE, MOUSE_X1, FALSE, FALSE}, | |
2494 {(int)KE_X2MOUSE, MOUSE_X2, TRUE, FALSE}, | |
2495 {(int)KE_X2DRAG, MOUSE_X2, FALSE, TRUE}, | |
2496 {(int)KE_X2RELEASE, MOUSE_X2, FALSE, FALSE}, | |
2497 /* DRAG without CLICK */ | |
2498 {(int)KE_IGNORE, MOUSE_RELEASE, FALSE, TRUE}, | |
2499 /* RELEASE without CLICK */ | |
2500 {(int)KE_IGNORE, MOUSE_RELEASE, FALSE, FALSE}, | |
2501 {0, 0, 0, 0}, | |
2502 }; | |
2503 #endif /* FEAT_MOUSE */ | |
2504 | |
2505 /* | |
2506 * Return the modifier mask bit (MOD_MASK_*) which corresponds to the given | |
2507 * modifier name ('S' for Shift, 'C' for Ctrl etc). | |
2508 */ | |
2509 int | |
2510 name_to_mod_mask(c) | |
2511 int c; | |
2512 { | |
2513 int i; | |
2514 | |
2515 c = TOUPPER_ASC(c); | |
2516 for (i = 0; mod_mask_table[i].mod_mask != 0; i++) | |
2517 if (c == mod_mask_table[i].name) | |
2518 return mod_mask_table[i].mod_flag; | |
2519 return 0; | |
2520 } | |
2521 | |
2522 /* | |
2523 * Check if if there is a special key code for "key" that includes the | |
2524 * modifiers specified. | |
2525 */ | |
2526 int | |
2527 simplify_key(key, modifiers) | |
2528 int key; | |
2529 int *modifiers; | |
2530 { | |
2531 int i; | |
2532 int key0; | |
2533 int key1; | |
2534 | |
2535 if (*modifiers & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) | |
2536 { | |
2537 /* TAB is a special case */ | |
2538 if (key == TAB && (*modifiers & MOD_MASK_SHIFT)) | |
2539 { | |
2540 *modifiers &= ~MOD_MASK_SHIFT; | |
2541 return K_S_TAB; | |
2542 } | |
2543 key0 = KEY2TERMCAP0(key); | |
2544 key1 = KEY2TERMCAP1(key); | |
2545 for (i = 0; modifier_keys_table[i] != NUL; i += MOD_KEYS_ENTRY_SIZE) | |
2546 if (key0 == modifier_keys_table[i + 3] | |
2547 && key1 == modifier_keys_table[i + 4] | |
2548 && (*modifiers & modifier_keys_table[i])) | |
2549 { | |
2550 *modifiers &= ~modifier_keys_table[i]; | |
2551 return TERMCAP2KEY(modifier_keys_table[i + 1], | |
2552 modifier_keys_table[i + 2]); | |
2553 } | |
2554 } | |
2555 return key; | |
2556 } | |
2557 | |
2558 /* | |
180 | 2559 * Change <xHome> to <Home>, <xUp> to <Up>, etc. |
2560 */ | |
2561 int | |
2562 handle_x_keys(key) | |
2563 int key; | |
2564 { | |
2565 switch (key) | |
2566 { | |
2567 case K_XUP: return K_UP; | |
2568 case K_XDOWN: return K_DOWN; | |
2569 case K_XLEFT: return K_LEFT; | |
2570 case K_XRIGHT: return K_RIGHT; | |
2571 case K_XHOME: return K_HOME; | |
230 | 2572 case K_ZHOME: return K_HOME; |
180 | 2573 case K_XEND: return K_END; |
230 | 2574 case K_ZEND: return K_END; |
180 | 2575 case K_XF1: return K_F1; |
2576 case K_XF2: return K_F2; | |
2577 case K_XF3: return K_F3; | |
2578 case K_XF4: return K_F4; | |
2579 case K_S_XF1: return K_S_F1; | |
2580 case K_S_XF2: return K_S_F2; | |
2581 case K_S_XF3: return K_S_F3; | |
2582 case K_S_XF4: return K_S_F4; | |
2583 } | |
2584 return key; | |
2585 } | |
2586 | |
2587 /* | |
7 | 2588 * Return a string which contains the name of the given key when the given |
2589 * modifiers are down. | |
2590 */ | |
2591 char_u * | |
2592 get_special_key_name(c, modifiers) | |
2593 int c; | |
2594 int modifiers; | |
2595 { | |
2596 static char_u string[MAX_KEY_NAME_LEN + 1]; | |
2597 | |
2598 int i, idx; | |
2599 int table_idx; | |
2600 char_u *s; | |
2601 | |
2602 string[0] = '<'; | |
2603 idx = 1; | |
2604 | |
2605 /* Key that stands for a normal character. */ | |
2606 if (IS_SPECIAL(c) && KEY2TERMCAP0(c) == KS_KEY) | |
2607 c = KEY2TERMCAP1(c); | |
2608 | |
2609 /* | |
2610 * Translate shifted special keys into unshifted keys and set modifier. | |
2611 * Same for CTRL and ALT modifiers. | |
2612 */ | |
2613 if (IS_SPECIAL(c)) | |
2614 { | |
2615 for (i = 0; modifier_keys_table[i] != 0; i += MOD_KEYS_ENTRY_SIZE) | |
2616 if ( KEY2TERMCAP0(c) == (int)modifier_keys_table[i + 1] | |
2617 && (int)KEY2TERMCAP1(c) == (int)modifier_keys_table[i + 2]) | |
2618 { | |
2619 modifiers |= modifier_keys_table[i]; | |
2620 c = TERMCAP2KEY(modifier_keys_table[i + 3], | |
2621 modifier_keys_table[i + 4]); | |
2622 break; | |
2623 } | |
2624 } | |
2625 | |
2626 /* try to find the key in the special key table */ | |
2627 table_idx = find_special_key_in_table(c); | |
2628 | |
2629 /* | |
2630 * When not a known special key, and not a printable character, try to | |
2631 * extract modifiers. | |
2632 */ | |
2633 if (c > 0 | |
2634 #ifdef FEAT_MBYTE | |
2635 && (*mb_char2len)(c) == 1 | |
2636 #endif | |
2637 ) | |
2638 { | |
2639 if (table_idx < 0 | |
2640 && (!vim_isprintc(c) || (c & 0x7f) == ' ') | |
2641 && (c & 0x80)) | |
2642 { | |
2643 c &= 0x7f; | |
2644 modifiers |= MOD_MASK_ALT; | |
2645 /* try again, to find the un-alted key in the special key table */ | |
2646 table_idx = find_special_key_in_table(c); | |
2647 } | |
2648 if (table_idx < 0 && !vim_isprintc(c) && c < ' ') | |
2649 { | |
2650 #ifdef EBCDIC | |
2651 c = CtrlChar(c); | |
2652 #else | |
2653 c += '@'; | |
2654 #endif | |
2655 modifiers |= MOD_MASK_CTRL; | |
2656 } | |
2657 } | |
2658 | |
2659 /* translate the modifier into a string */ | |
2660 for (i = 0; mod_mask_table[i].name != 'A'; i++) | |
2661 if ((modifiers & mod_mask_table[i].mod_mask) | |
2662 == mod_mask_table[i].mod_flag) | |
2663 { | |
2664 string[idx++] = mod_mask_table[i].name; | |
2665 string[idx++] = (char_u)'-'; | |
2666 } | |
2667 | |
2668 if (table_idx < 0) /* unknown special key, may output t_xx */ | |
2669 { | |
2670 if (IS_SPECIAL(c)) | |
2671 { | |
2672 string[idx++] = 't'; | |
2673 string[idx++] = '_'; | |
2674 string[idx++] = KEY2TERMCAP0(c); | |
2675 string[idx++] = KEY2TERMCAP1(c); | |
2676 } | |
2677 /* Not a special key, only modifiers, output directly */ | |
2678 else | |
2679 { | |
2680 #ifdef FEAT_MBYTE | |
2681 if (has_mbyte && (*mb_char2len)(c) > 1) | |
2682 idx += (*mb_char2bytes)(c, string + idx); | |
2683 else | |
2684 #endif | |
2685 if (vim_isprintc(c)) | |
2686 string[idx++] = c; | |
2687 else | |
2688 { | |
2689 s = transchar(c); | |
2690 while (*s) | |
2691 string[idx++] = *s++; | |
2692 } | |
2693 } | |
2694 } | |
2695 else /* use name of special key */ | |
2696 { | |
2697 STRCPY(string + idx, key_names_table[table_idx].name); | |
2698 idx = (int)STRLEN(string); | |
2699 } | |
2700 string[idx++] = '>'; | |
2701 string[idx] = NUL; | |
2702 return string; | |
2703 } | |
2704 | |
2705 /* | |
2706 * Try translating a <> name at (*srcp)[] to dst[]. | |
2707 * Return the number of characters added to dst[], zero for no match. | |
2708 * If there is a match, srcp is advanced to after the <> name. | |
2709 * dst[] must be big enough to hold the result (up to six characters)! | |
2710 */ | |
2711 int | |
2712 trans_special(srcp, dst, keycode) | |
2713 char_u **srcp; | |
2714 char_u *dst; | |
2715 int keycode; /* prefer key code, e.g. K_DEL instead of DEL */ | |
2716 { | |
2717 int modifiers = 0; | |
2718 int key; | |
2719 int dlen = 0; | |
2720 | |
1775 | 2721 key = find_special_key(srcp, &modifiers, keycode, FALSE); |
7 | 2722 if (key == 0) |
2723 return 0; | |
2724 | |
2725 /* Put the appropriate modifier in a string */ | |
2726 if (modifiers != 0) | |
2727 { | |
2728 dst[dlen++] = K_SPECIAL; | |
2729 dst[dlen++] = KS_MODIFIER; | |
2730 dst[dlen++] = modifiers; | |
2731 } | |
2732 | |
2733 if (IS_SPECIAL(key)) | |
2734 { | |
2735 dst[dlen++] = K_SPECIAL; | |
2736 dst[dlen++] = KEY2TERMCAP0(key); | |
2737 dst[dlen++] = KEY2TERMCAP1(key); | |
2738 } | |
2739 #ifdef FEAT_MBYTE | |
2740 else if (has_mbyte && !keycode) | |
2741 dlen += (*mb_char2bytes)(key, dst + dlen); | |
2742 #endif | |
2743 else if (keycode) | |
2744 dlen = (int)(add_char2buf(key, dst + dlen) - dst); | |
2745 else | |
2746 dst[dlen++] = key; | |
2747 | |
2748 return dlen; | |
2749 } | |
2750 | |
2751 /* | |
2752 * Try translating a <> name at (*srcp)[], return the key and modifiers. | |
2753 * srcp is advanced to after the <> name. | |
2754 * returns 0 if there is no match. | |
2755 */ | |
2756 int | |
1775 | 2757 find_special_key(srcp, modp, keycode, keep_x_key) |
7 | 2758 char_u **srcp; |
2759 int *modp; | |
1775 | 2760 int keycode; /* prefer key code, e.g. K_DEL instead of DEL */ |
2761 int keep_x_key; /* don't translate xHome to Home key */ | |
7 | 2762 { |
2763 char_u *last_dash; | |
2764 char_u *end_of_name; | |
2765 char_u *src; | |
2766 char_u *bp; | |
2767 int modifiers; | |
2768 int bit; | |
2769 int key; | |
835 | 2770 unsigned long n; |
3024 | 2771 int l; |
7 | 2772 |
2773 src = *srcp; | |
2774 if (src[0] != '<') | |
2775 return 0; | |
2776 | |
2777 /* Find end of modifier list */ | |
2778 last_dash = src; | |
2779 for (bp = src + 1; *bp == '-' || vim_isIDc(*bp); bp++) | |
2780 { | |
2781 if (*bp == '-') | |
2782 { | |
2783 last_dash = bp; | |
3024 | 2784 if (bp[1] != NUL) |
2785 { | |
2786 #ifdef FEAT_MBYTE | |
2787 if (has_mbyte) | |
2788 l = mb_ptr2len(bp + 1); | |
2789 else | |
2790 #endif | |
2791 l = 1; | |
2792 if (bp[l + 1] == '>') | |
2793 bp += l; /* anything accepted, like <C-?> */ | |
2794 } | |
7 | 2795 } |
2796 if (bp[0] == 't' && bp[1] == '_' && bp[2] && bp[3]) | |
2797 bp += 3; /* skip t_xx, xx may be '-' or '>' */ | |
3026 | 2798 else if (STRNICMP(bp, "char-", 5) == 0) |
2799 { | |
2800 vim_str2nr(bp + 5, NULL, &l, TRUE, TRUE, NULL, NULL); | |
2801 bp += l + 5; | |
2802 break; | |
2803 } | |
7 | 2804 } |
2805 | |
2806 if (*bp == '>') /* found matching '>' */ | |
2807 { | |
2808 end_of_name = bp + 1; | |
2809 | |
2810 /* Which modifiers are given? */ | |
2811 modifiers = 0x0; | |
2812 for (bp = src + 1; bp < last_dash; bp++) | |
2813 { | |
2814 if (*bp != '-') | |
2815 { | |
2816 bit = name_to_mod_mask(*bp); | |
2817 if (bit == 0x0) | |
2818 break; /* Illegal modifier name */ | |
2819 modifiers |= bit; | |
2820 } | |
2821 } | |
2822 | |
2823 /* | |
2824 * Legal modifier name. | |
2825 */ | |
2826 if (bp >= last_dash) | |
2827 { | |
3024 | 2828 if (STRNICMP(last_dash + 1, "char-", 5) == 0 |
2829 && VIM_ISDIGIT(last_dash[6])) | |
2830 { | |
2831 /* <Char-123> or <Char-033> or <Char-0x33> */ | |
2832 vim_str2nr(last_dash + 6, NULL, NULL, TRUE, TRUE, NULL, &n); | |
3026 | 2833 key = (int)n; |
3024 | 2834 } |
7 | 2835 else |
180 | 2836 { |
3026 | 2837 /* |
2838 * Modifier with single letter, or special key name. | |
2839 */ | |
2840 #ifdef FEAT_MBYTE | |
2841 if (has_mbyte) | |
2842 l = mb_ptr2len(last_dash + 1); | |
2843 else | |
2844 #endif | |
2845 l = 1; | |
2846 if (modifiers != 0 && last_dash[l + 1] == '>') | |
2847 key = PTR2CHAR(last_dash + 1); | |
2848 else | |
2849 { | |
2850 key = get_special_key_code(last_dash + 1); | |
2851 if (!keep_x_key) | |
2852 key = handle_x_keys(key); | |
2853 } | |
180 | 2854 } |
7 | 2855 |
2856 /* | |
2857 * get_special_key_code() may return NUL for invalid | |
2858 * special key name. | |
2859 */ | |
2860 if (key != NUL) | |
2861 { | |
2862 /* | |
2863 * Only use a modifier when there is no special key code that | |
2864 * includes the modifier. | |
2865 */ | |
2866 key = simplify_key(key, &modifiers); | |
2867 | |
2868 if (!keycode) | |
2869 { | |
2870 /* don't want keycode, use single byte code */ | |
2871 if (key == K_BS) | |
2872 key = BS; | |
2873 else if (key == K_DEL || key == K_KDEL) | |
2874 key = DEL; | |
2875 } | |
2876 | |
2877 /* | |
2878 * Normal Key with modifier: Try to make a single byte code. | |
2879 */ | |
2880 if (!IS_SPECIAL(key)) | |
2881 key = extract_modifiers(key, &modifiers); | |
2882 | |
2883 *modp = modifiers; | |
2884 *srcp = end_of_name; | |
2885 return key; | |
2886 } | |
2887 } | |
2888 } | |
2889 return 0; | |
2890 } | |
2891 | |
2892 /* | |
2893 * Try to include modifiers in the key. | |
2894 * Changes "Shift-a" to 'A', "Alt-A" to 0xc0, etc. | |
2895 */ | |
2896 int | |
2897 extract_modifiers(key, modp) | |
2898 int key; | |
2899 int *modp; | |
2900 { | |
2901 int modifiers = *modp; | |
2902 | |
2903 #ifdef MACOS | |
2904 /* Command-key really special, No fancynest */ | |
2905 if (!(modifiers & MOD_MASK_CMD)) | |
2906 #endif | |
2907 if ((modifiers & MOD_MASK_SHIFT) && ASCII_ISALPHA(key)) | |
2908 { | |
2909 key = TOUPPER_ASC(key); | |
2910 modifiers &= ~MOD_MASK_SHIFT; | |
2911 } | |
2912 if ((modifiers & MOD_MASK_CTRL) | |
2913 #ifdef EBCDIC | |
2914 /* * TODO: EBCDIC Better use: | |
2915 * && (Ctrl_chr(key) || key == '?') | |
2916 * ??? */ | |
2917 && strchr("?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_", key) | |
2918 != NULL | |
2919 #else | |
2920 && ((key >= '?' && key <= '_') || ASCII_ISALPHA(key)) | |
2921 #endif | |
2922 ) | |
2923 { | |
2924 key = Ctrl_chr(key); | |
2925 modifiers &= ~MOD_MASK_CTRL; | |
2926 /* <C-@> is <Nul> */ | |
2927 if (key == 0) | |
2928 key = K_ZERO; | |
2929 } | |
2930 #ifdef MACOS | |
2931 /* Command-key really special, No fancynest */ | |
2932 if (!(modifiers & MOD_MASK_CMD)) | |
2933 #endif | |
2934 if ((modifiers & MOD_MASK_ALT) && key < 0x80 | |
2935 #ifdef FEAT_MBYTE | |
2936 && !enc_dbcs /* avoid creating a lead byte */ | |
2937 #endif | |
2938 ) | |
2939 { | |
2940 key |= 0x80; | |
2941 modifiers &= ~MOD_MASK_ALT; /* remove the META modifier */ | |
2942 } | |
2943 | |
2944 *modp = modifiers; | |
2945 return key; | |
2946 } | |
2947 | |
2948 /* | |
2949 * Try to find key "c" in the special key table. | |
2950 * Return the index when found, -1 when not found. | |
2951 */ | |
2952 int | |
2953 find_special_key_in_table(c) | |
2954 int c; | |
2955 { | |
2956 int i; | |
2957 | |
2958 for (i = 0; key_names_table[i].name != NULL; i++) | |
2959 if (c == key_names_table[i].key) | |
2960 break; | |
2961 if (key_names_table[i].name == NULL) | |
2962 i = -1; | |
2963 return i; | |
2964 } | |
2965 | |
2966 /* | |
2967 * Find the special key with the given name (the given string does not have to | |
2968 * end with NUL, the name is assumed to end before the first non-idchar). | |
2969 * If the name starts with "t_" the next two characters are interpreted as a | |
2970 * termcap name. | |
2971 * Return the key code, or 0 if not found. | |
2972 */ | |
2973 int | |
2974 get_special_key_code(name) | |
2975 char_u *name; | |
2976 { | |
2977 char_u *table_name; | |
2978 char_u string[3]; | |
2979 int i, j; | |
2980 | |
2981 /* | |
2982 * If it's <t_xx> we get the code for xx from the termcap | |
2983 */ | |
2984 if (name[0] == 't' && name[1] == '_' && name[2] != NUL && name[3] != NUL) | |
2985 { | |
2986 string[0] = name[2]; | |
2987 string[1] = name[3]; | |
2988 string[2] = NUL; | |
2989 if (add_termcap_entry(string, FALSE) == OK) | |
2990 return TERMCAP2KEY(name[2], name[3]); | |
2991 } | |
2992 else | |
2993 for (i = 0; key_names_table[i].name != NULL; i++) | |
2994 { | |
2995 table_name = key_names_table[i].name; | |
2996 for (j = 0; vim_isIDc(name[j]) && table_name[j] != NUL; j++) | |
2997 if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j])) | |
2998 break; | |
2999 if (!vim_isIDc(name[j]) && table_name[j] == NUL) | |
3000 return key_names_table[i].key; | |
3001 } | |
3002 return 0; | |
3003 } | |
3004 | |
1661 | 3005 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
7 | 3006 char_u * |
3007 get_key_name(i) | |
3008 int i; | |
3009 { | |
1881 | 3010 if (i >= (int)KEY_NAMES_TABLE_LEN) |
7 | 3011 return NULL; |
3012 return key_names_table[i].name; | |
3013 } | |
3014 #endif | |
3015 | |
1661 | 3016 #if defined(FEAT_MOUSE) || defined(PROTO) |
7 | 3017 /* |
3018 * Look up the given mouse code to return the relevant information in the other | |
3019 * arguments. Return which button is down or was released. | |
3020 */ | |
3021 int | |
3022 get_mouse_button(code, is_click, is_drag) | |
3023 int code; | |
3024 int *is_click; | |
3025 int *is_drag; | |
3026 { | |
3027 int i; | |
3028 | |
3029 for (i = 0; mouse_table[i].pseudo_code; i++) | |
3030 if (code == mouse_table[i].pseudo_code) | |
3031 { | |
3032 *is_click = mouse_table[i].is_click; | |
3033 *is_drag = mouse_table[i].is_drag; | |
3034 return mouse_table[i].button; | |
3035 } | |
3036 return 0; /* Shouldn't get here */ | |
3037 } | |
3038 | |
3039 /* | |
3040 * Return the appropriate pseudo mouse event token (KE_LEFTMOUSE etc) based on | |
3041 * the given information about which mouse button is down, and whether the | |
3042 * mouse was clicked, dragged or released. | |
3043 */ | |
3044 int | |
3045 get_pseudo_mouse_code(button, is_click, is_drag) | |
3046 int button; /* eg MOUSE_LEFT */ | |
3047 int is_click; | |
3048 int is_drag; | |
3049 { | |
3050 int i; | |
3051 | |
3052 for (i = 0; mouse_table[i].pseudo_code; i++) | |
3053 if (button == mouse_table[i].button | |
3054 && is_click == mouse_table[i].is_click | |
3055 && is_drag == mouse_table[i].is_drag) | |
3056 { | |
3057 #ifdef FEAT_GUI | |
263 | 3058 /* Trick: a non mappable left click and release has mouse_col -1 |
3059 * or added MOUSE_COLOFF. Used for 'mousefocus' in | |
3060 * gui_mouse_moved() */ | |
3061 if (mouse_col < 0 || mouse_col > MOUSE_COLOFF) | |
7 | 3062 { |
263 | 3063 if (mouse_col < 0) |
3064 mouse_col = 0; | |
3065 else | |
3066 mouse_col -= MOUSE_COLOFF; | |
7 | 3067 if (mouse_table[i].pseudo_code == (int)KE_LEFTMOUSE) |
3068 return (int)KE_LEFTMOUSE_NM; | |
3069 if (mouse_table[i].pseudo_code == (int)KE_LEFTRELEASE) | |
3070 return (int)KE_LEFTRELEASE_NM; | |
3071 } | |
3072 #endif | |
3073 return mouse_table[i].pseudo_code; | |
3074 } | |
1209 | 3075 return (int)KE_IGNORE; /* not recognized, ignore it */ |
7 | 3076 } |
3077 #endif /* FEAT_MOUSE */ | |
3078 | |
3079 /* | |
3080 * Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC. | |
3081 */ | |
3082 int | |
3083 get_fileformat(buf) | |
3084 buf_T *buf; | |
3085 { | |
3086 int c = *buf->b_p_ff; | |
3087 | |
3088 if (buf->b_p_bin || c == 'u') | |
3089 return EOL_UNIX; | |
3090 if (c == 'm') | |
3091 return EOL_MAC; | |
3092 return EOL_DOS; | |
3093 } | |
3094 | |
3095 /* | |
3096 * Like get_fileformat(), but override 'fileformat' with "p" for "++opt=val" | |
3097 * argument. | |
3098 */ | |
3099 int | |
3100 get_fileformat_force(buf, eap) | |
3101 buf_T *buf; | |
3102 exarg_T *eap; /* can be NULL! */ | |
3103 { | |
3104 int c; | |
3105 | |
3106 if (eap != NULL && eap->force_ff != 0) | |
3107 c = eap->cmd[eap->force_ff]; | |
3108 else | |
3109 { | |
3110 if ((eap != NULL && eap->force_bin != 0) | |
3111 ? (eap->force_bin == FORCE_BIN) : buf->b_p_bin) | |
3112 return EOL_UNIX; | |
3113 c = *buf->b_p_ff; | |
3114 } | |
3115 if (c == 'u') | |
3116 return EOL_UNIX; | |
3117 if (c == 'm') | |
3118 return EOL_MAC; | |
3119 return EOL_DOS; | |
3120 } | |
3121 | |
3122 /* | |
3123 * Set the current end-of-line type to EOL_DOS, EOL_UNIX or EOL_MAC. | |
3124 * Sets both 'textmode' and 'fileformat'. | |
3125 * Note: Does _not_ set global value of 'textmode'! | |
3126 */ | |
3127 void | |
3128 set_fileformat(t, opt_flags) | |
3129 int t; | |
3130 int opt_flags; /* OPT_LOCAL and/or OPT_GLOBAL */ | |
3131 { | |
3132 char *p = NULL; | |
3133 | |
3134 switch (t) | |
3135 { | |
3136 case EOL_DOS: | |
3137 p = FF_DOS; | |
3138 curbuf->b_p_tx = TRUE; | |
3139 break; | |
3140 case EOL_UNIX: | |
3141 p = FF_UNIX; | |
3142 curbuf->b_p_tx = FALSE; | |
3143 break; | |
3144 case EOL_MAC: | |
3145 p = FF_MAC; | |
3146 curbuf->b_p_tx = FALSE; | |
3147 break; | |
3148 } | |
3149 if (p != NULL) | |
3150 set_string_option_direct((char_u *)"ff", -1, (char_u *)p, | |
694 | 3151 OPT_FREE | opt_flags, 0); |
3152 | |
7 | 3153 #ifdef FEAT_WINDOWS |
671 | 3154 /* This may cause the buffer to become (un)modified. */ |
7 | 3155 check_status(curbuf); |
673 | 3156 redraw_tabline = TRUE; |
7 | 3157 #endif |
3158 #ifdef FEAT_TITLE | |
3159 need_maketitle = TRUE; /* set window title later */ | |
3160 #endif | |
3161 } | |
3162 | |
3163 /* | |
3164 * Return the default fileformat from 'fileformats'. | |
3165 */ | |
3166 int | |
3167 default_fileformat() | |
3168 { | |
3169 switch (*p_ffs) | |
3170 { | |
3171 case 'm': return EOL_MAC; | |
3172 case 'd': return EOL_DOS; | |
3173 } | |
3174 return EOL_UNIX; | |
3175 } | |
3176 | |
3177 /* | |
3178 * Call shell. Calls mch_call_shell, with 'shellxquote' added. | |
3179 */ | |
3180 int | |
3181 call_shell(cmd, opt) | |
3182 char_u *cmd; | |
3183 int opt; | |
3184 { | |
3185 char_u *ncmd; | |
3186 int retval; | |
170 | 3187 #ifdef FEAT_PROFILE |
3188 proftime_T wait_time; | |
3189 #endif | |
7 | 3190 |
3191 if (p_verbose > 3) | |
3192 { | |
293 | 3193 verbose_enter(); |
273 | 3194 smsg((char_u *)_("Calling shell to execute: \"%s\""), |
7 | 3195 cmd == NULL ? p_sh : cmd); |
3196 out_char('\n'); | |
3197 cursor_on(); | |
293 | 3198 verbose_leave(); |
7 | 3199 } |
3200 | |
170 | 3201 #ifdef FEAT_PROFILE |
789 | 3202 if (do_profiling == PROF_YES) |
170 | 3203 prof_child_enter(&wait_time); |
3204 #endif | |
3205 | |
7 | 3206 if (*p_sh == NUL) |
3207 { | |
3208 EMSG(_(e_shellempty)); | |
3209 retval = -1; | |
3210 } | |
3211 else | |
3212 { | |
3213 #ifdef FEAT_GUI_MSWIN | |
3214 /* Don't hide the pointer while executing a shell command. */ | |
3215 gui_mch_mousehide(FALSE); | |
3216 #endif | |
3217 #ifdef FEAT_GUI | |
3218 ++hold_gui_events; | |
3219 #endif | |
3220 /* The external command may update a tags file, clear cached tags. */ | |
3221 tag_freematch(); | |
3222 | |
3223 if (cmd == NULL || *p_sxq == NUL) | |
3224 retval = mch_call_shell(cmd, opt); | |
3225 else | |
3226 { | |
3359 | 3227 char_u *ecmd = cmd; |
3228 | |
3229 if (*p_sxe != NUL && STRCMP(p_sxq, "(") == 0) | |
3230 { | |
3231 ecmd = vim_strsave_escaped_ext(cmd, p_sxe, '^', FALSE); | |
3232 if (ecmd == NULL) | |
3233 ecmd = cmd; | |
3234 } | |
3235 ncmd = alloc((unsigned)(STRLEN(ecmd) + STRLEN(p_sxq) * 2 + 1)); | |
7 | 3236 if (ncmd != NULL) |
3237 { | |
3238 STRCPY(ncmd, p_sxq); | |
3359 | 3239 STRCAT(ncmd, ecmd); |
3357 | 3240 /* When 'shellxquote' is ( append ). |
3241 * When 'shellxquote' is "( append )". */ | |
3242 STRCAT(ncmd, STRCMP(p_sxq, "(") == 0 ? (char_u *)")" | |
3243 : STRCMP(p_sxq, "\"(") == 0 ? (char_u *)")\"" | |
3244 : p_sxq); | |
7 | 3245 retval = mch_call_shell(ncmd, opt); |
3246 vim_free(ncmd); | |
3247 } | |
3248 else | |
3249 retval = -1; | |
3359 | 3250 if (ecmd != cmd) |
3251 vim_free(ecmd); | |
7 | 3252 } |
3253 #ifdef FEAT_GUI | |
3254 --hold_gui_events; | |
3255 #endif | |
3256 /* | |
3257 * Check the window size, in case it changed while executing the | |
3258 * external command. | |
3259 */ | |
3260 shell_resized_check(); | |
3261 } | |
3262 | |
3263 #ifdef FEAT_EVAL | |
3264 set_vim_var_nr(VV_SHELL_ERROR, (long)retval); | |
170 | 3265 # ifdef FEAT_PROFILE |
789 | 3266 if (do_profiling == PROF_YES) |
170 | 3267 prof_child_exit(&wait_time); |
3268 # endif | |
7 | 3269 #endif |
3270 | |
3271 return retval; | |
3272 } | |
3273 | |
3274 /* | |
789 | 3275 * VISUAL, SELECTMODE and OP_PENDING State are never set, they are equal to |
3276 * NORMAL State with a condition. This function returns the real State. | |
7 | 3277 */ |
3278 int | |
3279 get_real_state() | |
3280 { | |
3281 if (State & NORMAL) | |
3282 { | |
3283 #ifdef FEAT_VISUAL | |
3284 if (VIsual_active) | |
789 | 3285 { |
3286 if (VIsual_select) | |
3287 return SELECTMODE; | |
7 | 3288 return VISUAL; |
789 | 3289 } |
7 | 3290 else |
3291 #endif | |
3292 if (finish_op) | |
789 | 3293 return OP_PENDING; |
7 | 3294 } |
3295 return State; | |
3296 } | |
3297 | |
39 | 3298 #if defined(FEAT_MBYTE) || defined(PROTO) |
3299 /* | |
3300 * Return TRUE if "p" points to just after a path separator. | |
2939 | 3301 * Takes care of multi-byte characters. |
39 | 3302 * "b" must point to the start of the file name |
3303 */ | |
3304 int | |
3305 after_pathsep(b, p) | |
3306 char_u *b; | |
3307 char_u *p; | |
3308 { | |
2939 | 3309 return p > b && vim_ispathsep(p[-1]) |
39 | 3310 && (!has_mbyte || (*mb_head_off)(b, p - 1) == 0); |
3311 } | |
3312 #endif | |
3313 | |
3314 /* | |
3315 * Return TRUE if file names "f1" and "f2" are in the same directory. | |
3316 * "f1" may be a short name, "f2" must be a full path. | |
3317 */ | |
3318 int | |
3319 same_directory(f1, f2) | |
3320 char_u *f1; | |
3321 char_u *f2; | |
3322 { | |
3323 char_u ffname[MAXPATHL]; | |
3324 char_u *t1; | |
3325 char_u *t2; | |
3326 | |
3327 /* safety check */ | |
3328 if (f1 == NULL || f2 == NULL) | |
3329 return FALSE; | |
3330 | |
3331 (void)vim_FullName(f1, ffname, MAXPATHL, FALSE); | |
3332 t1 = gettail_sep(ffname); | |
3333 t2 = gettail_sep(f2); | |
3334 return (t1 - ffname == t2 - f2 | |
3335 && pathcmp((char *)ffname, (char *)f2, (int)(t1 - ffname)) == 0); | |
3336 } | |
3337 | |
7 | 3338 #if defined(FEAT_SESSION) || defined(MSWIN) || defined(FEAT_GUI_MAC) \ |
574 | 3339 || ((defined(FEAT_GUI_GTK)) \ |
11 | 3340 && ( defined(FEAT_WINDOWS) || defined(FEAT_DND)) ) \ |
7 | 3341 || defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
3342 || defined(PROTO) | |
3343 /* | |
3344 * Change to a file's directory. | |
3345 * Caller must call shorten_fnames()! | |
3346 * Return OK or FAIL. | |
3347 */ | |
3348 int | |
3349 vim_chdirfile(fname) | |
3350 char_u *fname; | |
3351 { | |
39 | 3352 char_u dir[MAXPATHL]; |
3353 | |
418 | 3354 vim_strncpy(dir, fname, MAXPATHL - 1); |
39 | 3355 *gettail_sep(dir) = NUL; |
3356 return mch_chdir((char *)dir) == 0 ? OK : FAIL; | |
7 | 3357 } |
3358 #endif | |
3359 | |
3360 #if defined(STAT_IGNORES_SLASH) || defined(PROTO) | |
3361 /* | |
3362 * Check if "name" ends in a slash and is not a directory. | |
3363 * Used for systems where stat() ignores a trailing slash on a file name. | |
3364 * The Vim code assumes a trailing slash is only ignored for a directory. | |
3365 */ | |
3366 int | |
3367 illegal_slash(name) | |
3368 char *name; | |
3369 { | |
3370 if (name[0] == NUL) | |
3371 return FALSE; /* no file name is not illegal */ | |
3372 if (name[strlen(name) - 1] != '/') | |
3373 return FALSE; /* no trailing slash */ | |
3374 if (mch_isdir((char_u *)name)) | |
3375 return FALSE; /* trailing slash for a directory */ | |
3376 return TRUE; | |
3377 } | |
3378 #endif | |
3379 | |
3380 #if defined(CURSOR_SHAPE) || defined(PROTO) | |
3381 | |
3382 /* | |
3383 * Handling of cursor and mouse pointer shapes in various modes. | |
3384 */ | |
3385 | |
3386 cursorentry_T shape_table[SHAPE_IDX_COUNT] = | |
3387 { | |
3388 /* The values will be filled in from the 'guicursor' and 'mouseshape' | |
3389 * defaults when Vim starts. | |
3390 * Adjust the SHAPE_IDX_ defines when making changes! */ | |
3391 {0, 0, 0, 700L, 400L, 250L, 0, 0, "n", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3392 {0, 0, 0, 700L, 400L, 250L, 0, 0, "v", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3393 {0, 0, 0, 700L, 400L, 250L, 0, 0, "i", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3394 {0, 0, 0, 700L, 400L, 250L, 0, 0, "r", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3395 {0, 0, 0, 700L, 400L, 250L, 0, 0, "c", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3396 {0, 0, 0, 700L, 400L, 250L, 0, 0, "ci", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3397 {0, 0, 0, 700L, 400L, 250L, 0, 0, "cr", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3398 {0, 0, 0, 700L, 400L, 250L, 0, 0, "o", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3399 {0, 0, 0, 700L, 400L, 250L, 0, 0, "ve", SHAPE_CURSOR+SHAPE_MOUSE}, | |
3400 {0, 0, 0, 0L, 0L, 0L, 0, 0, "e", SHAPE_MOUSE}, | |
3401 {0, 0, 0, 0L, 0L, 0L, 0, 0, "s", SHAPE_MOUSE}, | |
3402 {0, 0, 0, 0L, 0L, 0L, 0, 0, "sd", SHAPE_MOUSE}, | |
3403 {0, 0, 0, 0L, 0L, 0L, 0, 0, "vs", SHAPE_MOUSE}, | |
3404 {0, 0, 0, 0L, 0L, 0L, 0, 0, "vd", SHAPE_MOUSE}, | |
3405 {0, 0, 0, 0L, 0L, 0L, 0, 0, "m", SHAPE_MOUSE}, | |
3406 {0, 0, 0, 0L, 0L, 0L, 0, 0, "ml", SHAPE_MOUSE}, | |
3407 {0, 0, 0, 100L, 100L, 100L, 0, 0, "sm", SHAPE_CURSOR}, | |
3408 }; | |
3409 | |
3410 #ifdef FEAT_MOUSESHAPE | |
3411 /* | |
3412 * Table with names for mouse shapes. Keep in sync with all the tables for | |
3413 * mch_set_mouse_shape()!. | |
3414 */ | |
3415 static char * mshape_names[] = | |
3416 { | |
3417 "arrow", /* default, must be the first one */ | |
3418 "blank", /* hidden */ | |
3419 "beam", | |
3420 "updown", | |
3421 "udsizing", | |
3422 "leftright", | |
3423 "lrsizing", | |
3424 "busy", | |
3425 "no", | |
3426 "crosshair", | |
3427 "hand1", | |
3428 "hand2", | |
3429 "pencil", | |
3430 "question", | |
3431 "rightup-arrow", | |
3432 "up-arrow", | |
3433 NULL | |
3434 }; | |
3435 #endif | |
3436 | |
3437 /* | |
3438 * Parse the 'guicursor' option ("what" is SHAPE_CURSOR) or 'mouseshape' | |
3439 * ("what" is SHAPE_MOUSE). | |
3440 * Returns error message for an illegal option, NULL otherwise. | |
3441 */ | |
3442 char_u * | |
3443 parse_shape_opt(what) | |
3444 int what; | |
3445 { | |
3446 char_u *modep; | |
3447 char_u *colonp; | |
3448 char_u *commap; | |
3449 char_u *slashp; | |
3450 char_u *p, *endp; | |
3451 int idx = 0; /* init for GCC */ | |
3452 int all_idx; | |
3453 int len; | |
3454 int i; | |
3455 long n; | |
3456 int found_ve = FALSE; /* found "ve" flag */ | |
3457 int round; | |
3458 | |
3459 /* | |
3460 * First round: check for errors; second round: do it for real. | |
3461 */ | |
3462 for (round = 1; round <= 2; ++round) | |
3463 { | |
3464 /* | |
3465 * Repeat for all comma separated parts. | |
3466 */ | |
3467 #ifdef FEAT_MOUSESHAPE | |
3468 if (what == SHAPE_MOUSE) | |
3469 modep = p_mouseshape; | |
3470 else | |
3471 #endif | |
3472 modep = p_guicursor; | |
3473 while (*modep != NUL) | |
3474 { | |
3475 colonp = vim_strchr(modep, ':'); | |
3476 if (colonp == NULL) | |
3477 return (char_u *)N_("E545: Missing colon"); | |
3478 if (colonp == modep) | |
3479 return (char_u *)N_("E546: Illegal mode"); | |
3480 commap = vim_strchr(modep, ','); | |
3481 | |
3482 /* | |
3483 * Repeat for all mode's before the colon. | |
3484 * For the 'a' mode, we loop to handle all the modes. | |
3485 */ | |
3486 all_idx = -1; | |
3487 while (modep < colonp || all_idx >= 0) | |
3488 { | |
3489 if (all_idx < 0) | |
3490 { | |
3491 /* Find the mode. */ | |
3492 if (modep[1] == '-' || modep[1] == ':') | |
3493 len = 1; | |
3494 else | |
3495 len = 2; | |
3496 if (len == 1 && TOLOWER_ASC(modep[0]) == 'a') | |
3497 all_idx = SHAPE_IDX_COUNT - 1; | |
3498 else | |
3499 { | |
3500 for (idx = 0; idx < SHAPE_IDX_COUNT; ++idx) | |
3501 if (STRNICMP(modep, shape_table[idx].name, len) | |
3502 == 0) | |
3503 break; | |
3504 if (idx == SHAPE_IDX_COUNT | |
3505 || (shape_table[idx].used_for & what) == 0) | |
3506 return (char_u *)N_("E546: Illegal mode"); | |
3507 if (len == 2 && modep[0] == 'v' && modep[1] == 'e') | |
3508 found_ve = TRUE; | |
3509 } | |
3510 modep += len + 1; | |
3511 } | |
3512 | |
3513 if (all_idx >= 0) | |
3514 idx = all_idx--; | |
3515 else if (round == 2) | |
3516 { | |
3517 #ifdef FEAT_MOUSESHAPE | |
3518 if (what == SHAPE_MOUSE) | |
3519 { | |
3520 /* Set the default, for the missing parts */ | |
3521 shape_table[idx].mshape = 0; | |
3522 } | |
3523 else | |
3524 #endif | |
3525 { | |
3526 /* Set the defaults, for the missing parts */ | |
3527 shape_table[idx].shape = SHAPE_BLOCK; | |
3528 shape_table[idx].blinkwait = 700L; | |
3529 shape_table[idx].blinkon = 400L; | |
3530 shape_table[idx].blinkoff = 250L; | |
3531 } | |
3532 } | |
3533 | |
3534 /* Parse the part after the colon */ | |
3535 for (p = colonp + 1; *p && *p != ','; ) | |
3536 { | |
3537 #ifdef FEAT_MOUSESHAPE | |
3538 if (what == SHAPE_MOUSE) | |
3539 { | |
3540 for (i = 0; ; ++i) | |
3541 { | |
3542 if (mshape_names[i] == NULL) | |
3543 { | |
3544 if (!VIM_ISDIGIT(*p)) | |
3545 return (char_u *)N_("E547: Illegal mouseshape"); | |
3546 if (round == 2) | |
3547 shape_table[idx].mshape = | |
3548 getdigits(&p) + MSHAPE_NUMBERED; | |
3549 else | |
3550 (void)getdigits(&p); | |
3551 break; | |
3552 } | |
3553 len = (int)STRLEN(mshape_names[i]); | |
3554 if (STRNICMP(p, mshape_names[i], len) == 0) | |
3555 { | |
3556 if (round == 2) | |
3557 shape_table[idx].mshape = i; | |
3558 p += len; | |
3559 break; | |
3560 } | |
3561 } | |
3562 } | |
3563 else /* if (what == SHAPE_MOUSE) */ | |
3564 #endif | |
3565 { | |
3566 /* | |
3567 * First handle the ones with a number argument. | |
3568 */ | |
3569 i = *p; | |
3570 len = 0; | |
3571 if (STRNICMP(p, "ver", 3) == 0) | |
3572 len = 3; | |
3573 else if (STRNICMP(p, "hor", 3) == 0) | |
3574 len = 3; | |
3575 else if (STRNICMP(p, "blinkwait", 9) == 0) | |
3576 len = 9; | |
3577 else if (STRNICMP(p, "blinkon", 7) == 0) | |
3578 len = 7; | |
3579 else if (STRNICMP(p, "blinkoff", 8) == 0) | |
3580 len = 8; | |
3581 if (len != 0) | |
3582 { | |
3583 p += len; | |
3584 if (!VIM_ISDIGIT(*p)) | |
3585 return (char_u *)N_("E548: digit expected"); | |
3586 n = getdigits(&p); | |
3587 if (len == 3) /* "ver" or "hor" */ | |
3588 { | |
3589 if (n == 0) | |
3590 return (char_u *)N_("E549: Illegal percentage"); | |
3591 if (round == 2) | |
3592 { | |
3593 if (TOLOWER_ASC(i) == 'v') | |
3594 shape_table[idx].shape = SHAPE_VER; | |
3595 else | |
3596 shape_table[idx].shape = SHAPE_HOR; | |
3597 shape_table[idx].percentage = n; | |
3598 } | |
3599 } | |
3600 else if (round == 2) | |
3601 { | |
3602 if (len == 9) | |
3603 shape_table[idx].blinkwait = n; | |
3604 else if (len == 7) | |
3605 shape_table[idx].blinkon = n; | |
3606 else | |
3607 shape_table[idx].blinkoff = n; | |
3608 } | |
3609 } | |
3610 else if (STRNICMP(p, "block", 5) == 0) | |
3611 { | |
3612 if (round == 2) | |
3613 shape_table[idx].shape = SHAPE_BLOCK; | |
3614 p += 5; | |
3615 } | |
3616 else /* must be a highlight group name then */ | |
3617 { | |
3618 endp = vim_strchr(p, '-'); | |
3619 if (commap == NULL) /* last part */ | |
3620 { | |
3621 if (endp == NULL) | |
3622 endp = p + STRLEN(p); /* find end of part */ | |
3623 } | |
3624 else if (endp > commap || endp == NULL) | |
3625 endp = commap; | |
3626 slashp = vim_strchr(p, '/'); | |
3627 if (slashp != NULL && slashp < endp) | |
3628 { | |
3629 /* "group/langmap_group" */ | |
3630 i = syn_check_group(p, (int)(slashp - p)); | |
3631 p = slashp + 1; | |
3632 } | |
3633 if (round == 2) | |
3634 { | |
3635 shape_table[idx].id = syn_check_group(p, | |
3636 (int)(endp - p)); | |
3637 shape_table[idx].id_lm = shape_table[idx].id; | |
3638 if (slashp != NULL && slashp < endp) | |
3639 shape_table[idx].id = i; | |
3640 } | |
3641 p = endp; | |
3642 } | |
3643 } /* if (what != SHAPE_MOUSE) */ | |
3644 | |
3645 if (*p == '-') | |
3646 ++p; | |
3647 } | |
3648 } | |
3649 modep = p; | |
3650 if (*modep == ',') | |
3651 ++modep; | |
3652 } | |
3653 } | |
3654 | |
3655 /* If the 's' flag is not given, use the 'v' cursor for 's' */ | |
3656 if (!found_ve) | |
3657 { | |
3658 #ifdef FEAT_MOUSESHAPE | |
3659 if (what == SHAPE_MOUSE) | |
3660 { | |
3661 shape_table[SHAPE_IDX_VE].mshape = shape_table[SHAPE_IDX_V].mshape; | |
3662 } | |
3663 else | |
3664 #endif | |
3665 { | |
3666 shape_table[SHAPE_IDX_VE].shape = shape_table[SHAPE_IDX_V].shape; | |
3667 shape_table[SHAPE_IDX_VE].percentage = | |
3668 shape_table[SHAPE_IDX_V].percentage; | |
3669 shape_table[SHAPE_IDX_VE].blinkwait = | |
3670 shape_table[SHAPE_IDX_V].blinkwait; | |
3671 shape_table[SHAPE_IDX_VE].blinkon = | |
3672 shape_table[SHAPE_IDX_V].blinkon; | |
3673 shape_table[SHAPE_IDX_VE].blinkoff = | |
3674 shape_table[SHAPE_IDX_V].blinkoff; | |
3675 shape_table[SHAPE_IDX_VE].id = shape_table[SHAPE_IDX_V].id; | |
3676 shape_table[SHAPE_IDX_VE].id_lm = shape_table[SHAPE_IDX_V].id_lm; | |
3677 } | |
3678 } | |
3679 | |
3680 return NULL; | |
3681 } | |
3682 | |
500 | 3683 # if defined(MCH_CURSOR_SHAPE) || defined(FEAT_GUI) \ |
3684 || defined(FEAT_MOUSESHAPE) || defined(PROTO) | |
7 | 3685 /* |
3686 * Return the index into shape_table[] for the current mode. | |
3687 * When "mouse" is TRUE, consider indexes valid for the mouse pointer. | |
3688 */ | |
3689 int | |
3690 get_shape_idx(mouse) | |
3691 int mouse; | |
3692 { | |
3693 #ifdef FEAT_MOUSESHAPE | |
3694 if (mouse && (State == HITRETURN || State == ASKMORE)) | |
3695 { | |
3696 # ifdef FEAT_GUI | |
87 | 3697 int x, y; |
3698 gui_mch_getmouse(&x, &y); | |
3699 if (Y_2_ROW(y) == Rows - 1) | |
7 | 3700 return SHAPE_IDX_MOREL; |
3701 # endif | |
3702 return SHAPE_IDX_MORE; | |
3703 } | |
3704 if (mouse && drag_status_line) | |
3705 return SHAPE_IDX_SDRAG; | |
3706 # ifdef FEAT_VERTSPLIT | |
3707 if (mouse && drag_sep_line) | |
3708 return SHAPE_IDX_VDRAG; | |
3709 # endif | |
3710 #endif | |
3711 if (!mouse && State == SHOWMATCH) | |
3712 return SHAPE_IDX_SM; | |
3713 #ifdef FEAT_VREPLACE | |
3714 if (State & VREPLACE_FLAG) | |
3715 return SHAPE_IDX_R; | |
3716 #endif | |
3717 if (State & REPLACE_FLAG) | |
3718 return SHAPE_IDX_R; | |
3719 if (State & INSERT) | |
3720 return SHAPE_IDX_I; | |
3721 if (State & CMDLINE) | |
3722 { | |
3723 if (cmdline_at_end()) | |
3724 return SHAPE_IDX_C; | |
3725 if (cmdline_overstrike()) | |
3726 return SHAPE_IDX_CR; | |
3727 return SHAPE_IDX_CI; | |
3728 } | |
3729 if (finish_op) | |
3730 return SHAPE_IDX_O; | |
3731 #ifdef FEAT_VISUAL | |
3732 if (VIsual_active) | |
3733 { | |
3734 if (*p_sel == 'e') | |
3735 return SHAPE_IDX_VE; | |
3736 else | |
3737 return SHAPE_IDX_V; | |
3738 } | |
3739 #endif | |
3740 return SHAPE_IDX_N; | |
3741 } | |
500 | 3742 #endif |
7 | 3743 |
3744 # if defined(FEAT_MOUSESHAPE) || defined(PROTO) | |
3745 static int old_mouse_shape = 0; | |
3746 | |
3747 /* | |
3748 * Set the mouse shape: | |
3749 * If "shape" is -1, use shape depending on the current mode, | |
3750 * depending on the current state. | |
3751 * If "shape" is -2, only update the shape when it's CLINE or STATUS (used | |
3752 * when the mouse moves off the status or command line). | |
3753 */ | |
3754 void | |
3755 update_mouseshape(shape_idx) | |
3756 int shape_idx; | |
3757 { | |
3758 int new_mouse_shape; | |
3759 | |
3760 /* Only works in GUI mode. */ | |
227 | 3761 if (!gui.in_use || gui.starting) |
7 | 3762 return; |
3763 | |
3764 /* Postpone the updating when more is to come. Speeds up executing of | |
3765 * mappings. */ | |
3766 if (shape_idx == -1 && char_avail()) | |
3767 { | |
3768 postponed_mouseshape = TRUE; | |
3769 return; | |
3770 } | |
3771 | |
864 | 3772 /* When ignoring the mouse don't change shape on the statusline. */ |
3773 if (*p_mouse == NUL | |
3774 && (shape_idx == SHAPE_IDX_CLINE | |
3775 || shape_idx == SHAPE_IDX_STATUS | |
3776 || shape_idx == SHAPE_IDX_VSEP)) | |
3777 shape_idx = -2; | |
3778 | |
7 | 3779 if (shape_idx == -2 |
3780 && old_mouse_shape != shape_table[SHAPE_IDX_CLINE].mshape | |
3781 && old_mouse_shape != shape_table[SHAPE_IDX_STATUS].mshape | |
3782 && old_mouse_shape != shape_table[SHAPE_IDX_VSEP].mshape) | |
3783 return; | |
3784 if (shape_idx < 0) | |
3785 new_mouse_shape = shape_table[get_shape_idx(TRUE)].mshape; | |
3786 else | |
3787 new_mouse_shape = shape_table[shape_idx].mshape; | |
3788 if (new_mouse_shape != old_mouse_shape) | |
3789 { | |
3790 mch_set_mouse_shape(new_mouse_shape); | |
3791 old_mouse_shape = new_mouse_shape; | |
3792 } | |
3793 postponed_mouseshape = FALSE; | |
3794 } | |
3795 # endif | |
3796 | |
3797 #endif /* CURSOR_SHAPE */ | |
3798 | |
3799 | |
3800 #ifdef FEAT_CRYPT | |
3801 /* | |
1209 | 3802 * Optional encryption support. |
7 | 3803 * Mohsin Ahmed, mosh@sasi.com, 98-09-24 |
3804 * Based on zip/crypt sources. | |
3805 * | |
3806 * NOTE FOR USA: Since 2000 exporting this code from the USA is allowed to | |
3807 * most countries. There are a few exceptions, but that still should not be a | |
3808 * problem since this code was originally created in Europe and India. | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
3809 * |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
3810 * Blowfish addition originally made by Mohsin Ahmed, |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
3811 * http://www.cs.albany.edu/~mosh 2010-03-14 |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
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|
3812 * Based on blowfish by Bruce Schneier (http://www.schneier.com/blowfish.html) |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
3813 * and sha256 by Christophe Devine. |
7 | 3814 */ |
3815 | |
3816 /* from zip.h */ | |
3817 | |
3818 typedef unsigned short ush; /* unsigned 16-bit value */ | |
3819 typedef unsigned long ulg; /* unsigned 32-bit value */ | |
3820 | |
3821 static void make_crc_tab __ARGS((void)); | |
3822 | |
297 | 3823 static ulg crc_32_tab[256]; |
7 | 3824 |
3825 /* | |
3826 * Fill the CRC table. | |
3827 */ | |
3828 static void | |
3829 make_crc_tab() | |
3830 { | |
3831 ulg s,t,v; | |
3832 static int done = FALSE; | |
3833 | |
3834 if (done) | |
3835 return; | |
3836 for (t = 0; t < 256; t++) | |
3837 { | |
3838 v = t; | |
3839 for (s = 0; s < 8; s++) | |
3840 v = (v >> 1) ^ ((v & 1) * (ulg)0xedb88320L); | |
3841 crc_32_tab[t] = v; | |
3842 } | |
3843 done = TRUE; | |
3844 } | |
3845 | |
3846 #define CRC32(c, b) (crc_32_tab[((int)(c) ^ (b)) & 0xff] ^ ((c) >> 8)) | |
3847 | |
3848 static ulg keys[3]; /* keys defining the pseudo-random sequence */ | |
3849 | |
3850 /* | |
2244 | 3851 * Return the next byte in the pseudo-random sequence. |
7 | 3852 */ |
2244 | 3853 #define DECRYPT_BYTE_ZIP(t) { \ |
3854 ush temp; \ | |
3855 \ | |
3856 temp = (ush)keys[2] | 2; \ | |
3857 t = (int)(((unsigned)(temp * (temp ^ 1)) >> 8) & 0xff); \ | |
3858 } | |
3859 | |
3860 /* | |
3861 * Update the encryption keys with the next byte of plain text. | |
3862 */ | |
3863 #define UPDATE_KEYS_ZIP(c) { \ | |
3864 keys[0] = CRC32(keys[0], (c)); \ | |
3865 keys[1] += keys[0] & 0xff; \ | |
3866 keys[1] = keys[1] * 134775813L + 1; \ | |
3867 keys[2] = CRC32(keys[2], (int)(keys[1] >> 24)); \ | |
7 | 3868 } |
3869 | |
2267 | 3870 static int crypt_busy = 0; |
3871 static ulg saved_keys[3]; | |
3872 static int saved_crypt_method; | |
3873 | |
3874 /* | |
2360
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3875 * Return int value for crypt method string: |
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|
3876 * 0 for "zip", the old method. Also for any non-valid value. |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3877 * 1 for "blowfish". |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3878 */ |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3879 int |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3880 crypt_method_from_string(s) |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3881 char_u *s; |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3882 { |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3883 return *s == 'b' ? 1 : 0; |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3884 } |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3885 |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3886 /* |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3887 * Get the crypt method for buffer "buf" as a number. |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
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3888 */ |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3889 int |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3890 get_crypt_method(buf) |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3891 buf_T *buf; |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3892 { |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3893 return crypt_method_from_string(*buf->b_p_cm == NUL ? p_cm : buf->b_p_cm); |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3894 } |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3895 |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3896 /* |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3897 * Set the crypt method for buffer "buf" to "method" using the int value as |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
Bram Moolenaar <bram@vim.org>
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|
3898 * returned by crypt_method_from_string(). |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3899 */ |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3900 void |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3901 set_crypt_method(buf, method) |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3902 buf_T *buf; |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3903 int method; |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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3904 { |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3905 free_string_option(buf->b_p_cm); |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3906 buf->b_p_cm = vim_strsave((char_u *)(method == 0 ? "zip" : "blowfish")); |
d8e4b27cef80
Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3907 } |
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Change 'cryptmethod' from a number to a string option. Make it global-local.
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|
3908 |
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|
3909 /* |
2267 | 3910 * Prepare for initializing encryption. If already doing encryption then save |
3911 * the state. | |
2545
298d8d6e69be
Avoid warnings from the clang compiler. (Dominique Pelle)
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2522
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3912 * Must always be called symmetrically with crypt_pop_state(). |
2267 | 3913 */ |
3914 void | |
3915 crypt_push_state() | |
3916 { | |
3917 if (crypt_busy == 1) | |
3918 { | |
3919 /* save the state */ | |
3920 if (use_crypt_method == 0) | |
3921 { | |
3922 saved_keys[0] = keys[0]; | |
3923 saved_keys[1] = keys[1]; | |
3924 saved_keys[2] = keys[2]; | |
3925 } | |
3926 else | |
3927 bf_crypt_save(); | |
3928 saved_crypt_method = use_crypt_method; | |
3929 } | |
3930 else if (crypt_busy > 1) | |
3931 EMSG2(_(e_intern2), "crypt_push_state()"); | |
3932 ++crypt_busy; | |
3933 } | |
3934 | |
3935 /* | |
3936 * End encryption. If doing encryption before crypt_push_state() then restore | |
3937 * the saved state. | |
2545
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Avoid warnings from the clang compiler. (Dominique Pelle)
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2522
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|
3938 * Must always be called symmetrically with crypt_push_state(). |
2267 | 3939 */ |
3940 void | |
3941 crypt_pop_state() | |
3942 { | |
3943 --crypt_busy; | |
3944 if (crypt_busy == 1) | |
3945 { | |
3946 use_crypt_method = saved_crypt_method; | |
3947 if (use_crypt_method == 0) | |
3948 { | |
3949 keys[0] = saved_keys[0]; | |
3950 keys[1] = saved_keys[1]; | |
3951 keys[2] = saved_keys[2]; | |
3952 } | |
3953 else | |
3954 bf_crypt_restore(); | |
3955 } | |
3956 } | |
3957 | |
7 | 3958 /* |
2244 | 3959 * Encrypt "from[len]" into "to[len]". |
3960 * "from" and "to" can be equal to encrypt in place. | |
7 | 3961 */ |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
3962 void |
2244 | 3963 crypt_encode(from, len, to) |
3964 char_u *from; | |
3965 size_t len; | |
3966 char_u *to; | |
7 | 3967 { |
2244 | 3968 size_t i; |
3969 int ztemp, t; | |
3970 | |
3971 if (use_crypt_method == 0) | |
3972 for (i = 0; i < len; ++i) | |
3973 { | |
3974 ztemp = from[i]; | |
3975 DECRYPT_BYTE_ZIP(t); | |
3976 UPDATE_KEYS_ZIP(ztemp); | |
3977 to[i] = t ^ ztemp; | |
3978 } | |
2180
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
3979 else |
2245
4e0124f5aee2
Optimize the blowfish crypt/decrypt code a bit more.
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2244
diff
changeset
|
3980 bf_crypt_encode(from, len, to); |
2244 | 3981 } |
3982 | |
3983 /* | |
3984 * Decrypt "ptr[len]" in place. | |
3985 */ | |
3986 void | |
3987 crypt_decode(ptr, len) | |
3988 char_u *ptr; | |
3989 long len; | |
3990 { | |
3991 char_u *p; | |
3992 | |
3993 if (use_crypt_method == 0) | |
3994 for (p = ptr; p < ptr + len; ++p) | |
3995 { | |
3996 ush temp; | |
3997 | |
3998 temp = (ush)keys[2] | 2; | |
3999 temp = (int)(((unsigned)(temp * (temp ^ 1)) >> 8) & 0xff); | |
4000 UPDATE_KEYS_ZIP(*p ^= temp); | |
4001 } | |
4002 else | |
2245
4e0124f5aee2
Optimize the blowfish crypt/decrypt code a bit more.
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2244
diff
changeset
|
4003 bf_crypt_decode(ptr, len); |
7 | 4004 } |
4005 | |
4006 /* | |
4007 * Initialize the encryption keys and the random header according to | |
4008 * the given password. | |
4009 * If "passwd" is NULL or empty, don't do anything. | |
4010 */ | |
4011 void | |
4012 crypt_init_keys(passwd) | |
4013 char_u *passwd; /* password string with which to modify keys */ | |
4014 { | |
4015 if (passwd != NULL && *passwd != NUL) | |
4016 { | |
2244 | 4017 if (use_crypt_method == 0) |
2245
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|
4018 { |
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|
4019 char_u *p; |
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|
4020 |
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|
4021 make_crc_tab(); |
4e0124f5aee2
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|
4022 keys[0] = 305419896L; |
4e0124f5aee2
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diff
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|
4023 keys[1] = 591751049L; |
4e0124f5aee2
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|
4024 keys[2] = 878082192L; |
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|
4025 for (p = passwd; *p!= NUL; ++p) |
2244 | 4026 { |
2245
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Optimize the blowfish crypt/decrypt code a bit more.
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diff
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|
4027 UPDATE_KEYS_ZIP((int)*p); |
2244 | 4028 } |
2245
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diff
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|
4029 } |
2244 | 4030 else |
2245
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|
4031 bf_crypt_init_keys(passwd); |
7 | 4032 } |
4033 } | |
4034 | |
4035 /* | |
2180
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|
4036 * Free an allocated crypt key. Clear the text to make sure it doesn't stay |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
4037 * in memory anywhere. |
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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|
4038 */ |
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|
4039 void |
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|
4040 free_crypt_key(key) |
f60a0c9cbe6c
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|
4041 char_u *key; |
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|
4042 { |
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|
4043 char_u *p; |
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4044 |
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|
4045 if (key != NULL) |
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|
4046 { |
f60a0c9cbe6c
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changeset
|
4047 for (p = key; *p != NUL; ++p) |
2211
dded7e33d0a9
Fix wrong memory access when clearing crypt key.
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2180
diff
changeset
|
4048 *p = 0; |
2180
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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changeset
|
4049 vim_free(key); |
f60a0c9cbe6c
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|
4050 } |
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4051 } |
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4052 |
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|
4053 /* |
7 | 4054 * Ask the user for a crypt key. |
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|
4055 * When "store" is TRUE, the new key is stored in the 'key' option, and the |
7 | 4056 * 'key' option value is returned: Don't free it. |
4057 * When "store" is FALSE, the typed key is returned in allocated memory. | |
4058 * Returns NULL on failure. | |
4059 */ | |
4060 char_u * | |
4061 get_crypt_key(store, twice) | |
4062 int store; | |
4063 int twice; /* Ask for the key twice. */ | |
4064 { | |
4065 char_u *p1, *p2 = NULL; | |
4066 int round; | |
4067 | |
4068 for (round = 0; ; ++round) | |
4069 { | |
4070 cmdline_star = TRUE; | |
4071 cmdline_row = msg_row; | |
4072 p1 = getcmdline_prompt(NUL, round == 0 | |
4073 ? (char_u *)_("Enter encryption key: ") | |
531 | 4074 : (char_u *)_("Enter same key again: "), 0, EXPAND_NOTHING, |
4075 NULL); | |
7 | 4076 cmdline_star = FALSE; |
4077 | |
4078 if (p1 == NULL) | |
4079 break; | |
4080 | |
4081 if (round == twice) | |
4082 { | |
4083 if (p2 != NULL && STRCMP(p1, p2) != 0) | |
4084 { | |
4085 MSG(_("Keys don't match!")); | |
2180
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Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
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changeset
|
4086 free_crypt_key(p1); |
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
4087 free_crypt_key(p2); |
7 | 4088 p2 = NULL; |
4089 round = -1; /* do it again */ | |
4090 continue; | |
4091 } | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
4092 |
7 | 4093 if (store) |
4094 { | |
4095 set_option_value((char_u *)"key", 0L, p1, OPT_LOCAL); | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
4096 free_crypt_key(p1); |
7 | 4097 p1 = curbuf->b_p_key; |
4098 } | |
4099 break; | |
4100 } | |
4101 p2 = p1; | |
4102 } | |
4103 | |
4104 /* since the user typed this, no need to wait for return */ | |
2267 | 4105 if (msg_didout) |
4106 msg_putchar('\n'); | |
2491
904cd1c26a1e
After entering a crypt key would need to hit return to continue.
Bram Moolenaar <bram@vim.org>
parents:
2487
diff
changeset
|
4107 need_wait_return = FALSE; |
7 | 4108 msg_didout = FALSE; |
4109 | |
2180
f60a0c9cbe6c
Add the blowfish encryption patch from Mohsin Ahmed. Needs more work.
Bram Moolenaar <bram@vim.org>
parents:
2178
diff
changeset
|
4110 free_crypt_key(p2); |
7 | 4111 return p1; |
4112 } | |
4113 | |
4114 #endif /* FEAT_CRYPT */ | |
4115 | |
4116 /* TODO: make some #ifdef for this */ | |
4117 /*--------[ file searching ]-------------------------------------------------*/ | |
4118 /* | |
4119 * File searching functions for 'path', 'tags' and 'cdpath' options. | |
4120 * External visible functions: | |
4121 * vim_findfile_init() creates/initialises the search context | |
4122 * vim_findfile_free_visited() free list of visited files/dirs of search | |
4123 * context | |
4124 * vim_findfile() find a file in the search context | |
4125 * vim_findfile_cleanup() cleanup/free search context created by | |
4126 * vim_findfile_init() | |
4127 * | |
4128 * All static functions and variables start with 'ff_' | |
4129 * | |
4130 * In general it works like this: | |
4131 * First you create yourself a search context by calling vim_findfile_init(). | |
4132 * It is possible to give a search context from a previous call to | |
4133 * vim_findfile_init(), so it can be reused. After this you call vim_findfile() | |
4134 * until you are satisfied with the result or it returns NULL. On every call it | |
4135 * returns the next file which matches the conditions given to | |
4136 * vim_findfile_init(). If it doesn't find a next file it returns NULL. | |
4137 * | |
4138 * It is possible to call vim_findfile_init() again to reinitialise your search | |
4139 * with some new parameters. Don't forget to pass your old search context to | |
4140 * it, so it can reuse it and especially reuse the list of already visited | |
4141 * directories. If you want to delete the list of already visited directories | |
4142 * simply call vim_findfile_free_visited(). | |
4143 * | |
4144 * When you are done call vim_findfile_cleanup() to free the search context. | |
4145 * | |
4146 * The function vim_findfile_init() has a long comment, which describes the | |
4147 * needed parameters. | |
4148 * | |
4149 * | |
4150 * | |
4151 * ATTENTION: | |
4152 * ========== | |
1072 | 4153 * Also we use an allocated search context here, this functions are NOT |
7 | 4154 * thread-safe!!!!! |
4155 * | |
4156 * To minimize parameter passing (or because I'm to lazy), only the | |
4157 * external visible functions get a search context as a parameter. This is | |
4158 * then assigned to a static global, which is used throughout the local | |
4159 * functions. | |
4160 */ | |
4161 | |
4162 /* | |
4163 * type for the directory search stack | |
4164 */ | |
4165 typedef struct ff_stack | |
4166 { | |
4167 struct ff_stack *ffs_prev; | |
4168 | |
4169 /* the fix part (no wildcards) and the part containing the wildcards | |
4170 * of the search path | |
4171 */ | |
4172 char_u *ffs_fix_path; | |
4173 #ifdef FEAT_PATH_EXTRA | |
4174 char_u *ffs_wc_path; | |
4175 #endif | |
4176 | |
4177 /* files/dirs found in the above directory, matched by the first wildcard | |
4178 * of wc_part | |
4179 */ | |
4180 char_u **ffs_filearray; | |
4181 int ffs_filearray_size; | |
4182 char_u ffs_filearray_cur; /* needed for partly handled dirs */ | |
4183 | |
4184 /* to store status of partly handled directories | |
1541 | 4185 * 0: we work on this directory for the first time |
7 | 4186 * 1: this directory was partly searched in an earlier step |
1541 | 4187 */ |
7 | 4188 int ffs_stage; |
4189 | |
4190 /* How deep are we in the directory tree? | |
4191 * Counts backward from value of level parameter to vim_findfile_init | |
4192 */ | |
4193 int ffs_level; | |
4194 | |
4195 /* Did we already expand '**' to an empty string? */ | |
4196 int ffs_star_star_empty; | |
4197 } ff_stack_T; | |
4198 | |
4199 /* | |
4200 * type for already visited directories or files. | |
4201 */ | |
4202 typedef struct ff_visited | |
4203 { | |
4204 struct ff_visited *ffv_next; | |
4205 | |
4206 #ifdef FEAT_PATH_EXTRA | |
4207 /* Visited directories are different if the wildcard string are | |
4208 * different. So we have to save it. | |
4209 */ | |
4210 char_u *ffv_wc_path; | |
4211 #endif | |
4212 /* for unix use inode etc for comparison (needed because of links), else | |
4213 * use filename. | |
4214 */ | |
4215 #ifdef UNIX | |
1881 | 4216 int ffv_dev_valid; /* ffv_dev and ffv_ino were set */ |
4217 dev_t ffv_dev; /* device number */ | |
7 | 4218 ino_t ffv_ino; /* inode number */ |
4219 #endif | |
4220 /* The memory for this struct is allocated according to the length of | |
4221 * ffv_fname. | |
4222 */ | |
4223 char_u ffv_fname[1]; /* actually longer */ | |
4224 } ff_visited_T; | |
4225 | |
4226 /* | |
4227 * We might have to manage several visited lists during a search. | |
1209 | 4228 * This is especially needed for the tags option. If tags is set to: |
7 | 4229 * "./++/tags,./++/TAGS,++/tags" (replace + with *) |
4230 * So we have to do 3 searches: | |
4231 * 1) search from the current files directory downward for the file "tags" | |
4232 * 2) search from the current files directory downward for the file "TAGS" | |
4233 * 3) search from Vims current directory downwards for the file "tags" | |
4234 * As you can see, the first and the third search are for the same file, so for | |
4235 * the third search we can use the visited list of the first search. For the | |
4236 * second search we must start from a empty visited list. | |
4237 * The struct ff_visited_list_hdr is used to manage a linked list of already | |
4238 * visited lists. | |
4239 */ | |
4240 typedef struct ff_visited_list_hdr | |
4241 { | |
4242 struct ff_visited_list_hdr *ffvl_next; | |
4243 | |
4244 /* the filename the attached visited list is for */ | |
4245 char_u *ffvl_filename; | |
4246 | |
4247 ff_visited_T *ffvl_visited_list; | |
4248 | |
4249 } ff_visited_list_hdr_T; | |
4250 | |
4251 | |
4252 /* | |
4253 * '**' can be expanded to several directory levels. | |
1209 | 4254 * Set the default maximum depth. |
7 | 4255 */ |
4256 #define FF_MAX_STAR_STAR_EXPAND ((char_u)30) | |
1541 | 4257 |
7 | 4258 /* |
4259 * The search context: | |
4260 * ffsc_stack_ptr: the stack for the dirs to search | |
4261 * ffsc_visited_list: the currently active visited list | |
4262 * ffsc_dir_visited_list: the currently active visited list for search dirs | |
4263 * ffsc_visited_lists_list: the list of all visited lists | |
4264 * ffsc_dir_visited_lists_list: the list of all visited lists for search dirs | |
4265 * ffsc_file_to_search: the file to search for | |
4266 * ffsc_start_dir: the starting directory, if search path was relative | |
4267 * ffsc_fix_path: the fix part of the given path (without wildcards) | |
4268 * Needed for upward search. | |
4269 * ffsc_wc_path: the part of the given path containing wildcards | |
4270 * ffsc_level: how many levels of dirs to search downwards | |
4271 * ffsc_stopdirs_v: array of stop directories for upward search | |
1541 | 4272 * ffsc_find_what: FINDFILE_BOTH, FINDFILE_DIR or FINDFILE_FILE |
2521
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
4273 * ffsc_tagfile: searching for tags file, don't use 'suffixesadd' |
7 | 4274 */ |
4275 typedef struct ff_search_ctx_T | |
4276 { | |
4277 ff_stack_T *ffsc_stack_ptr; | |
4278 ff_visited_list_hdr_T *ffsc_visited_list; | |
4279 ff_visited_list_hdr_T *ffsc_dir_visited_list; | |
4280 ff_visited_list_hdr_T *ffsc_visited_lists_list; | |
4281 ff_visited_list_hdr_T *ffsc_dir_visited_lists_list; | |
4282 char_u *ffsc_file_to_search; | |
4283 char_u *ffsc_start_dir; | |
4284 char_u *ffsc_fix_path; | |
4285 #ifdef FEAT_PATH_EXTRA | |
4286 char_u *ffsc_wc_path; | |
4287 int ffsc_level; | |
4288 char_u **ffsc_stopdirs_v; | |
4289 #endif | |
1541 | 4290 int ffsc_find_what; |
2521
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
4291 int ffsc_tagfile; |
359 | 4292 } ff_search_ctx_T; |
4293 | |
7 | 4294 /* locally needed functions */ |
4295 #ifdef FEAT_PATH_EXTRA | |
4296 static int ff_check_visited __ARGS((ff_visited_T **, char_u *, char_u *)); | |
4297 #else | |
4298 static int ff_check_visited __ARGS((ff_visited_T **, char_u *)); | |
4299 #endif | |
4300 static void vim_findfile_free_visited_list __ARGS((ff_visited_list_hdr_T **list_headp)); | |
4301 static void ff_free_visited_list __ARGS((ff_visited_T *vl)); | |
4302 static ff_visited_list_hdr_T* ff_get_visited_list __ARGS((char_u *, ff_visited_list_hdr_T **list_headp)); | |
4303 #ifdef FEAT_PATH_EXTRA | |
4304 static int ff_wc_equal __ARGS((char_u *s1, char_u *s2)); | |
4305 #endif | |
4306 | |
1541 | 4307 static void ff_push __ARGS((ff_search_ctx_T *search_ctx, ff_stack_T *stack_ptr)); |
4308 static ff_stack_T *ff_pop __ARGS((ff_search_ctx_T *search_ctx)); | |
4309 static void ff_clear __ARGS((ff_search_ctx_T *search_ctx)); | |
4310 static void ff_free_stack_element __ARGS((ff_stack_T *stack_ptr)); | |
7 | 4311 #ifdef FEAT_PATH_EXTRA |
4312 static ff_stack_T *ff_create_stack_element __ARGS((char_u *, char_u *, int, int)); | |
4313 #else | |
4314 static ff_stack_T *ff_create_stack_element __ARGS((char_u *, int, int)); | |
4315 #endif | |
4316 #ifdef FEAT_PATH_EXTRA | |
4317 static int ff_path_in_stoplist __ARGS((char_u *, int, char_u **)); | |
4318 #endif | |
4319 | |
3202 | 4320 static char_u e_pathtoolong[] = N_("E854: path too long for completion"); |
4321 | |
7 | 4322 #if 0 |
4323 /* | |
4324 * if someone likes findfirst/findnext, here are the functions | |
4325 * NOT TESTED!! | |
4326 */ | |
4327 | |
4328 static void *ff_fn_search_context = NULL; | |
4329 | |
4330 char_u * | |
4331 vim_findfirst(path, filename, level) | |
4332 char_u *path; | |
4333 char_u *filename; | |
4334 int level; | |
4335 { | |
4336 ff_fn_search_context = | |
4337 vim_findfile_init(path, filename, NULL, level, TRUE, FALSE, | |
4338 ff_fn_search_context, rel_fname); | |
4339 if (NULL == ff_fn_search_context) | |
4340 return NULL; | |
4341 else | |
4342 return vim_findnext() | |
4343 } | |
4344 | |
4345 char_u * | |
4346 vim_findnext() | |
4347 { | |
4348 char_u *ret = vim_findfile(ff_fn_search_context); | |
4349 | |
4350 if (NULL == ret) | |
4351 { | |
4352 vim_findfile_cleanup(ff_fn_search_context); | |
4353 ff_fn_search_context = NULL; | |
4354 } | |
4355 return ret; | |
4356 } | |
4357 #endif | |
4358 | |
4359 /* | |
2522
d7ecfc8b784c
Update help about wildcards in 'tags' option.
Bram Moolenaar <bram@vim.org>
parents:
2521
diff
changeset
|
4360 * Initialization routine for vim_findfile(). |
7 | 4361 * |
2211
dded7e33d0a9
Fix wrong memory access when clearing crypt key.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
4362 * Returns the newly allocated search context or NULL if an error occurred. |
7 | 4363 * |
4364 * Don't forget to clean up by calling vim_findfile_cleanup() if you are done | |
4365 * with the search context. | |
4366 * | |
4367 * Find the file 'filename' in the directory 'path'. | |
4368 * The parameter 'path' may contain wildcards. If so only search 'level' | |
4369 * directories deep. The parameter 'level' is the absolute maximum and is | |
4370 * not related to restricts given to the '**' wildcard. If 'level' is 100 | |
4371 * and you use '**200' vim_findfile() will stop after 100 levels. | |
4372 * | |
1541 | 4373 * 'filename' cannot contain wildcards! It is used as-is, no backslashes to |
4374 * escape special characters. | |
4375 * | |
7 | 4376 * If 'stopdirs' is not NULL and nothing is found downward, the search is |
4377 * restarted on the next higher directory level. This is repeated until the | |
4378 * start-directory of a search is contained in 'stopdirs'. 'stopdirs' has the | |
4379 * format ";*<dirname>*\(;<dirname>\)*;\=$". | |
4380 * | |
4381 * If the 'path' is relative, the starting dir for the search is either VIM's | |
4382 * current dir or if the path starts with "./" the current files dir. | |
2211
dded7e33d0a9
Fix wrong memory access when clearing crypt key.
Bram Moolenaar <bram@vim.org>
parents:
2180
diff
changeset
|
4383 * If the 'path' is absolute, the starting dir is that part of the path before |
7 | 4384 * the first wildcard. |
4385 * | |
4386 * Upward search is only done on the starting dir. | |
4387 * | |
4388 * If 'free_visited' is TRUE the list of already visited files/directories is | |
4389 * cleared. Set this to FALSE if you just want to search from another | |
4390 * directory, but want to be sure that no directory from a previous search is | |
4391 * searched again. This is useful if you search for a file at different places. | |
4392 * The list of visited files/dirs can also be cleared with the function | |
4393 * vim_findfile_free_visited(). | |
4394 * | |
1541 | 4395 * Set the parameter 'find_what' to FINDFILE_DIR if you want to search for |
4396 * directories only, FINDFILE_FILE for files only, FINDFILE_BOTH for both. | |
7 | 4397 * |
4398 * A search context returned by a previous call to vim_findfile_init() can be | |
1541 | 4399 * passed in the parameter "search_ctx_arg". This context is reused and |
4400 * reinitialized with the new parameters. The list of already visited | |
7 | 4401 * directories from this context is only deleted if the parameter |
1541 | 4402 * "free_visited" is true. Be aware that the passed "search_ctx_arg" is freed |
4403 * if the reinitialization fails. | |
7 | 4404 * |
1541 | 4405 * If you don't have a search context from a previous call "search_ctx_arg" |
4406 * must be NULL. | |
7 | 4407 * |
4408 * This function silently ignores a few errors, vim_findfile() will have | |
4409 * limited functionality then. | |
4410 */ | |
4411 void * | |
1541 | 4412 vim_findfile_init(path, filename, stopdirs, level, free_visited, find_what, |
4413 search_ctx_arg, tagfile, rel_fname) | |
7 | 4414 char_u *path; |
4415 char_u *filename; | |
1881 | 4416 char_u *stopdirs UNUSED; |
7 | 4417 int level; |
4418 int free_visited; | |
1541 | 4419 int find_what; |
4420 void *search_ctx_arg; | |
2521
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
4421 int tagfile; /* expanding names of tags files */ |
7 | 4422 char_u *rel_fname; /* file name to use for "." */ |
4423 { | |
4424 #ifdef FEAT_PATH_EXTRA | |
1541 | 4425 char_u *wc_part; |
4426 #endif | |
4427 ff_stack_T *sptr; | |
4428 ff_search_ctx_T *search_ctx; | |
7 | 4429 |
4430 /* If a search context is given by the caller, reuse it, else allocate a | |
4431 * new one. | |
4432 */ | |
1541 | 4433 if (search_ctx_arg != NULL) |
4434 search_ctx = search_ctx_arg; | |
7 | 4435 else |
4436 { | |
1541 | 4437 search_ctx = (ff_search_ctx_T*)alloc((unsigned)sizeof(ff_search_ctx_T)); |
4438 if (search_ctx == NULL) | |
7 | 4439 goto error_return; |
2215
cccb71c2c5c1
Fix uninit memory read in undo code. Fix uint32_t in proto file.
Bram Moolenaar <bram@vim.org>
parents:
2211
diff
changeset
|
4440 vim_memset(search_ctx, 0, sizeof(ff_search_ctx_T)); |
7 | 4441 } |
1541 | 4442 search_ctx->ffsc_find_what = find_what; |
2521
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
4443 search_ctx->ffsc_tagfile = tagfile; |
7 | 4444 |
4445 /* clear the search context, but NOT the visited lists */ | |
1541 | 4446 ff_clear(search_ctx); |
7 | 4447 |
4448 /* clear visited list if wanted */ | |
4449 if (free_visited == TRUE) | |
1541 | 4450 vim_findfile_free_visited(search_ctx); |
7 | 4451 else |
4452 { | |
4453 /* Reuse old visited lists. Get the visited list for the given | |
4454 * filename. If no list for the current filename exists, creates a new | |
1541 | 4455 * one. */ |
4456 search_ctx->ffsc_visited_list = ff_get_visited_list(filename, | |
4457 &search_ctx->ffsc_visited_lists_list); | |
4458 if (search_ctx->ffsc_visited_list == NULL) | |
7 | 4459 goto error_return; |
1541 | 4460 search_ctx->ffsc_dir_visited_list = ff_get_visited_list(filename, |
4461 &search_ctx->ffsc_dir_visited_lists_list); | |
4462 if (search_ctx->ffsc_dir_visited_list == NULL) | |
7 | 4463 goto error_return; |
4464 } | |
4465 | |
4466 if (ff_expand_buffer == NULL) | |
4467 { | |
4468 ff_expand_buffer = (char_u*)alloc(MAXPATHL); | |
4469 if (ff_expand_buffer == NULL) | |
4470 goto error_return; | |
4471 } | |
4472 | |
4473 /* Store information on starting dir now if path is relative. | |
20 | 4474 * If path is absolute, we do that later. */ |
7 | 4475 if (path[0] == '.' |
4476 && (vim_ispathsep(path[1]) || path[1] == NUL) | |
4477 && (!tagfile || vim_strchr(p_cpo, CPO_DOTTAG) == NULL) | |
4478 && rel_fname != NULL) | |
4479 { | |
4480 int len = (int)(gettail(rel_fname) - rel_fname); | |
4481 | |
4482 if (!vim_isAbsName(rel_fname) && len + 1 < MAXPATHL) | |
4483 { | |
4484 /* Make the start dir an absolute path name. */ | |
418 | 4485 vim_strncpy(ff_expand_buffer, rel_fname, len); |
1541 | 4486 search_ctx->ffsc_start_dir = FullName_save(ff_expand_buffer, FALSE); |
7 | 4487 } |
4488 else | |
1541 | 4489 search_ctx->ffsc_start_dir = vim_strnsave(rel_fname, len); |
4490 if (search_ctx->ffsc_start_dir == NULL) | |
7 | 4491 goto error_return; |
4492 if (*++path != NUL) | |
4493 ++path; | |
4494 } | |
4495 else if (*path == NUL || !vim_isAbsName(path)) | |
4496 { | |
4497 #ifdef BACKSLASH_IN_FILENAME | |
4498 /* "c:dir" needs "c:" to be expanded, otherwise use current dir */ | |
4499 if (*path != NUL && path[1] == ':') | |
4500 { | |
4501 char_u drive[3]; | |
4502 | |
4503 drive[0] = path[0]; | |
4504 drive[1] = ':'; | |
4505 drive[2] = NUL; | |
4506 if (vim_FullName(drive, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) | |
4507 goto error_return; | |
4508 path += 2; | |
4509 } | |
4510 else | |
4511 #endif | |
4512 if (mch_dirname(ff_expand_buffer, MAXPATHL) == FAIL) | |
4513 goto error_return; | |
4514 | |
1541 | 4515 search_ctx->ffsc_start_dir = vim_strsave(ff_expand_buffer); |
4516 if (search_ctx->ffsc_start_dir == NULL) | |
7 | 4517 goto error_return; |
4518 | |
4519 #ifdef BACKSLASH_IN_FILENAME | |
4520 /* A path that starts with "/dir" is relative to the drive, not to the | |
4521 * directory (but not for "//machine/dir"). Only use the drive name. */ | |
4522 if ((*path == '/' || *path == '\\') | |
4523 && path[1] != path[0] | |
1541 | 4524 && search_ctx->ffsc_start_dir[1] == ':') |
4525 search_ctx->ffsc_start_dir[2] = NUL; | |
7 | 4526 #endif |
4527 } | |
4528 | |
4529 #ifdef FEAT_PATH_EXTRA | |
4530 /* | |
4531 * If stopdirs are given, split them into an array of pointers. | |
4532 * If this fails (mem allocation), there is no upward search at all or a | |
4533 * stop directory is not recognized -> continue silently. | |
4534 * If stopdirs just contains a ";" or is empty, | |
1541 | 4535 * search_ctx->ffsc_stopdirs_v will only contain a NULL pointer. This |
7 | 4536 * is handled as unlimited upward search. See function |
4537 * ff_path_in_stoplist() for details. | |
4538 */ | |
4539 if (stopdirs != NULL) | |
4540 { | |
4541 char_u *walker = stopdirs; | |
4542 int dircount; | |
4543 | |
4544 while (*walker == ';') | |
4545 walker++; | |
4546 | |
4547 dircount = 1; | |
1541 | 4548 search_ctx->ffsc_stopdirs_v = |
4549 (char_u **)alloc((unsigned)sizeof(char_u *)); | |
4550 | |
4551 if (search_ctx->ffsc_stopdirs_v != NULL) | |
7 | 4552 { |
4553 do | |
4554 { | |
4555 char_u *helper; | |
4556 void *ptr; | |
4557 | |
4558 helper = walker; | |
1541 | 4559 ptr = vim_realloc(search_ctx->ffsc_stopdirs_v, |
7 | 4560 (dircount + 1) * sizeof(char_u *)); |
4561 if (ptr) | |
1541 | 4562 search_ctx->ffsc_stopdirs_v = ptr; |
7 | 4563 else |
4564 /* ignore, keep what we have and continue */ | |
4565 break; | |
4566 walker = vim_strchr(walker, ';'); | |
4567 if (walker) | |
4568 { | |
1541 | 4569 search_ctx->ffsc_stopdirs_v[dircount-1] = |
4570 vim_strnsave(helper, (int)(walker - helper)); | |
7 | 4571 walker++; |
4572 } | |
4573 else | |
4574 /* this might be "", which means ascent till top | |
4575 * of directory tree. | |
4576 */ | |
1541 | 4577 search_ctx->ffsc_stopdirs_v[dircount-1] = |
4578 vim_strsave(helper); | |
7 | 4579 |
4580 dircount++; | |
4581 | |
4582 } while (walker != NULL); | |
1541 | 4583 search_ctx->ffsc_stopdirs_v[dircount-1] = NULL; |
7 | 4584 } |
4585 } | |
4586 #endif | |
4587 | |
4588 #ifdef FEAT_PATH_EXTRA | |
1541 | 4589 search_ctx->ffsc_level = level; |
7 | 4590 |
4591 /* split into: | |
4592 * -fix path | |
4593 * -wildcard_stuff (might be NULL) | |
4594 */ | |
4595 wc_part = vim_strchr(path, '*'); | |
4596 if (wc_part != NULL) | |
4597 { | |
4598 int llevel; | |
4599 int len; | |
29 | 4600 char *errpt; |
7 | 4601 |
4602 /* save the fix part of the path */ | |
1541 | 4603 search_ctx->ffsc_fix_path = vim_strnsave(path, (int)(wc_part - path)); |
7 | 4604 |
4605 /* | |
4606 * copy wc_path and add restricts to the '**' wildcard. | |
1209 | 4607 * The octet after a '**' is used as a (binary) counter. |
7 | 4608 * So '**3' is transposed to '**^C' ('^C' is ASCII value 3) |
4609 * or '**76' is transposed to '**N'( 'N' is ASCII value 76). | |
4610 * For EBCDIC you get different character values. | |
4611 * If no restrict is given after '**' the default is used. | |
1993 | 4612 * Due to this technique the path looks awful if you print it as a |
7 | 4613 * string. |
4614 */ | |
4615 len = 0; | |
4616 while (*wc_part != NUL) | |
4617 { | |
3202 | 4618 if (len + 5 >= MAXPATHL) |
4619 { | |
4620 EMSG(_(e_pathtoolong)); | |
4621 break; | |
4622 } | |
7 | 4623 if (STRNCMP(wc_part, "**", 2) == 0) |
4624 { | |
4625 ff_expand_buffer[len++] = *wc_part++; | |
4626 ff_expand_buffer[len++] = *wc_part++; | |
4627 | |
29 | 4628 llevel = strtol((char *)wc_part, &errpt, 10); |
4629 if ((char_u *)errpt != wc_part && llevel > 0 && llevel < 255) | |
7 | 4630 ff_expand_buffer[len++] = llevel; |
29 | 4631 else if ((char_u *)errpt != wc_part && llevel == 0) |
7 | 4632 /* restrict is 0 -> remove already added '**' */ |
4633 len -= 2; | |
4634 else | |
4635 ff_expand_buffer[len++] = FF_MAX_STAR_STAR_EXPAND; | |
29 | 4636 wc_part = (char_u *)errpt; |
461 | 4637 if (*wc_part != NUL && !vim_ispathsep(*wc_part)) |
7 | 4638 { |
4639 EMSG2(_("E343: Invalid path: '**[number]' must be at the end of the path or be followed by '%s'."), PATHSEPSTR); | |
4640 goto error_return; | |
4641 } | |
4642 } | |
4643 else | |
4644 ff_expand_buffer[len++] = *wc_part++; | |
4645 } | |
4646 ff_expand_buffer[len] = NUL; | |
1541 | 4647 search_ctx->ffsc_wc_path = vim_strsave(ff_expand_buffer); |
4648 | |
4649 if (search_ctx->ffsc_wc_path == NULL) | |
7 | 4650 goto error_return; |
4651 } | |
4652 else | |
4653 #endif | |
1541 | 4654 search_ctx->ffsc_fix_path = vim_strsave(path); |
4655 | |
4656 if (search_ctx->ffsc_start_dir == NULL) | |
7 | 4657 { |
4658 /* store the fix part as startdir. | |
4659 * This is needed if the parameter path is fully qualified. | |
4660 */ | |
1541 | 4661 search_ctx->ffsc_start_dir = vim_strsave(search_ctx->ffsc_fix_path); |
2445
04dae202d316
Fixes for coverity warnings.
Bram Moolenaar <bram@vim.org>
parents:
2409
diff
changeset
|
4662 if (search_ctx->ffsc_start_dir == NULL) |
04dae202d316
Fixes for coverity warnings.
Bram Moolenaar <bram@vim.org>
parents:
2409
diff
changeset
|
4663 goto error_return; |
04dae202d316
Fixes for coverity warnings.
Bram Moolenaar <bram@vim.org>
parents:
2409
diff
changeset
|
4664 search_ctx->ffsc_fix_path[0] = NUL; |
7 | 4665 } |
4666 | |
4667 /* create an absolute path */ | |
3202 | 4668 if (STRLEN(search_ctx->ffsc_start_dir) |
4669 + STRLEN(search_ctx->ffsc_fix_path) + 3 >= MAXPATHL) | |
4670 { | |
4671 EMSG(_(e_pathtoolong)); | |
4672 goto error_return; | |
4673 } | |
1541 | 4674 STRCPY(ff_expand_buffer, search_ctx->ffsc_start_dir); |
7 | 4675 add_pathsep(ff_expand_buffer); |
1541 | 4676 STRCAT(ff_expand_buffer, search_ctx->ffsc_fix_path); |
7 | 4677 add_pathsep(ff_expand_buffer); |
4678 | |
4679 sptr = ff_create_stack_element(ff_expand_buffer, | |
4680 #ifdef FEAT_PATH_EXTRA | |
1541 | 4681 search_ctx->ffsc_wc_path, |
7 | 4682 #endif |
4683 level, 0); | |
4684 | |
4685 if (sptr == NULL) | |
4686 goto error_return; | |
4687 | |
1541 | 4688 ff_push(search_ctx, sptr); |
4689 | |
4690 search_ctx->ffsc_file_to_search = vim_strsave(filename); | |
4691 if (search_ctx->ffsc_file_to_search == NULL) | |
7 | 4692 goto error_return; |
4693 | |
1541 | 4694 return search_ctx; |
7 | 4695 |
4696 error_return: | |
4697 /* | |
4698 * We clear the search context now! | |
4699 * Even when the caller gave us a (perhaps valid) context we free it here, | |
4700 * as we might have already destroyed it. | |
4701 */ | |
1541 | 4702 vim_findfile_cleanup(search_ctx); |
7 | 4703 return NULL; |
4704 } | |
4705 | |
4706 #if defined(FEAT_PATH_EXTRA) || defined(PROTO) | |
4707 /* | |
4708 * Get the stopdir string. Check that ';' is not escaped. | |
4709 */ | |
4710 char_u * | |
4711 vim_findfile_stopdir(buf) | |
4712 char_u *buf; | |
4713 { | |
4714 char_u *r_ptr = buf; | |
4715 | |
4716 while (*r_ptr != NUL && *r_ptr != ';') | |
4717 { | |
4718 if (r_ptr[0] == '\\' && r_ptr[1] == ';') | |
4719 { | |
2984 | 4720 /* Overwrite the escape char, |
4721 * use STRLEN(r_ptr) to move the trailing '\0'. */ | |
1621 | 4722 STRMOVE(r_ptr, r_ptr + 1); |
7 | 4723 r_ptr++; |
4724 } | |
4725 r_ptr++; | |
4726 } | |
4727 if (*r_ptr == ';') | |
4728 { | |
4729 *r_ptr = 0; | |
4730 r_ptr++; | |
4731 } | |
4732 else if (*r_ptr == NUL) | |
4733 r_ptr = NULL; | |
4734 return r_ptr; | |
4735 } | |
4736 #endif | |
4737 | |
1541 | 4738 /* |
4739 * Clean up the given search context. Can handle a NULL pointer. | |
4740 */ | |
7 | 4741 void |
4742 vim_findfile_cleanup(ctx) | |
4743 void *ctx; | |
4744 { | |
359 | 4745 if (ctx == NULL) |
7 | 4746 return; |
4747 | |
4748 vim_findfile_free_visited(ctx); | |
1541 | 4749 ff_clear(ctx); |
7 | 4750 vim_free(ctx); |
4751 } | |
4752 | |
4753 /* | |
4754 * Find a file in a search context. | |
4755 * The search context was created with vim_findfile_init() above. | |
4756 * Return a pointer to an allocated file name or NULL if nothing found. | |
4757 * To get all matching files call this function until you get NULL. | |
4758 * | |
20 | 4759 * If the passed search_context is NULL, NULL is returned. |
7 | 4760 * |
4761 * The search algorithm is depth first. To change this replace the | |
4762 * stack with a list (don't forget to leave partly searched directories on the | |
4763 * top of the list). | |
4764 */ | |
4765 char_u * | |
1541 | 4766 vim_findfile(search_ctx_arg) |
4767 void *search_ctx_arg; | |
7 | 4768 { |
4769 char_u *file_path; | |
4770 #ifdef FEAT_PATH_EXTRA | |
4771 char_u *rest_of_wildcards; | |
4772 char_u *path_end = NULL; | |
4773 #endif | |
1541 | 4774 ff_stack_T *stackp; |
7 | 4775 #if defined(FEAT_SEARCHPATH) || defined(FEAT_PATH_EXTRA) |
4776 int len; | |
4777 #endif | |
4778 int i; | |
4779 char_u *p; | |
4780 #ifdef FEAT_SEARCHPATH | |
4781 char_u *suf; | |
4782 #endif | |
1541 | 4783 ff_search_ctx_T *search_ctx; |
4784 | |
4785 if (search_ctx_arg == NULL) | |
7 | 4786 return NULL; |
4787 | |
1541 | 4788 search_ctx = (ff_search_ctx_T *)search_ctx_arg; |
7 | 4789 |
4790 /* | |
4791 * filepath is used as buffer for various actions and as the storage to | |
4792 * return a found filename. | |
4793 */ | |
4794 if ((file_path = alloc((int)MAXPATHL)) == NULL) | |
4795 return NULL; | |
4796 | |
4797 #ifdef FEAT_PATH_EXTRA | |
4798 /* store the end of the start dir -- needed for upward search */ | |
1541 | 4799 if (search_ctx->ffsc_start_dir != NULL) |
4800 path_end = &search_ctx->ffsc_start_dir[ | |
4801 STRLEN(search_ctx->ffsc_start_dir)]; | |
7 | 4802 #endif |
4803 | |
4804 #ifdef FEAT_PATH_EXTRA | |
4805 /* upward search loop */ | |
4806 for (;;) | |
4807 { | |
4808 #endif | |
4809 /* downward search loop */ | |
4810 for (;;) | |
4811 { | |
4812 /* check if user user wants to stop the search*/ | |
4813 ui_breakcheck(); | |
4814 if (got_int) | |
4815 break; | |
4816 | |
4817 /* get directory to work on from stack */ | |
1541 | 4818 stackp = ff_pop(search_ctx); |
4819 if (stackp == NULL) | |
7 | 4820 break; |
4821 | |
4822 /* | |
4823 * TODO: decide if we leave this test in | |
4824 * | |
4825 * GOOD: don't search a directory(-tree) twice. | |
4826 * BAD: - check linked list for every new directory entered. | |
4827 * - check for double files also done below | |
4828 * | |
4829 * Here we check if we already searched this directory. | |
4830 * We already searched a directory if: | |
4831 * 1) The directory is the same. | |
4832 * 2) We would use the same wildcard string. | |
4833 * | |
4834 * Good if you have links on same directory via several ways | |
4835 * or you have selfreferences in directories (e.g. SuSE Linux 6.3: | |
4836 * /etc/rc.d/init.d is linked to /etc/rc.d -> endless loop) | |
4837 * | |
4838 * This check is only needed for directories we work on for the | |
1541 | 4839 * first time (hence stackp->ff_filearray == NULL) |
7 | 4840 */ |
1541 | 4841 if (stackp->ffs_filearray == NULL |
4842 && ff_check_visited(&search_ctx->ffsc_dir_visited_list | |
7 | 4843 ->ffvl_visited_list, |
1541 | 4844 stackp->ffs_fix_path |
7 | 4845 #ifdef FEAT_PATH_EXTRA |
1541 | 4846 , stackp->ffs_wc_path |
7 | 4847 #endif |
4848 ) == FAIL) | |
4849 { | |
4850 #ifdef FF_VERBOSE | |
4851 if (p_verbose >= 5) | |
4852 { | |
293 | 4853 verbose_enter_scroll(); |
7 | 4854 smsg((char_u *)"Already Searched: %s (%s)", |
1541 | 4855 stackp->ffs_fix_path, stackp->ffs_wc_path); |
7 | 4856 /* don't overwrite this either */ |
4857 msg_puts((char_u *)"\n"); | |
293 | 4858 verbose_leave_scroll(); |
7 | 4859 } |
4860 #endif | |
1541 | 4861 ff_free_stack_element(stackp); |
7 | 4862 continue; |
4863 } | |
4864 #ifdef FF_VERBOSE | |
4865 else if (p_verbose >= 5) | |
4866 { | |
293 | 4867 verbose_enter_scroll(); |
273 | 4868 smsg((char_u *)"Searching: %s (%s)", |
1541 | 4869 stackp->ffs_fix_path, stackp->ffs_wc_path); |
7 | 4870 /* don't overwrite this either */ |
4871 msg_puts((char_u *)"\n"); | |
293 | 4872 verbose_leave_scroll(); |
7 | 4873 } |
4874 #endif | |
4875 | |
4876 /* check depth */ | |
1541 | 4877 if (stackp->ffs_level <= 0) |
7 | 4878 { |
1541 | 4879 ff_free_stack_element(stackp); |
7 | 4880 continue; |
4881 } | |
4882 | |
4883 file_path[0] = NUL; | |
4884 | |
4885 /* | |
4886 * If no filearray till now expand wildcards | |
4887 * The function expand_wildcards() can handle an array of paths | |
4888 * and all possible expands are returned in one array. We use this | |
4889 * to handle the expansion of '**' into an empty string. | |
4890 */ | |
1541 | 4891 if (stackp->ffs_filearray == NULL) |
7 | 4892 { |
4893 char_u *dirptrs[2]; | |
4894 | |
4895 /* we use filepath to build the path expand_wildcards() should | |
4896 * expand. | |
4897 */ | |
4898 dirptrs[0] = file_path; | |
4899 dirptrs[1] = NULL; | |
4900 | |
4901 /* if we have a start dir copy it in */ | |
1541 | 4902 if (!vim_isAbsName(stackp->ffs_fix_path) |
4903 && search_ctx->ffsc_start_dir) | |
7 | 4904 { |
1541 | 4905 STRCPY(file_path, search_ctx->ffsc_start_dir); |
7 | 4906 add_pathsep(file_path); |
4907 } | |
4908 | |
4909 /* append the fix part of the search path */ | |
1541 | 4910 STRCAT(file_path, stackp->ffs_fix_path); |
7 | 4911 add_pathsep(file_path); |
4912 | |
4913 #ifdef FEAT_PATH_EXTRA | |
1541 | 4914 rest_of_wildcards = stackp->ffs_wc_path; |
7 | 4915 if (*rest_of_wildcards != NUL) |
4916 { | |
4917 len = (int)STRLEN(file_path); | |
4918 if (STRNCMP(rest_of_wildcards, "**", 2) == 0) | |
4919 { | |
4920 /* pointer to the restrict byte | |
4921 * The restrict byte is not a character! | |
4922 */ | |
4923 p = rest_of_wildcards + 2; | |
4924 | |
4925 if (*p > 0) | |
4926 { | |
4927 (*p)--; | |
4928 file_path[len++] = '*'; | |
4929 } | |
4930 | |
4931 if (*p == 0) | |
4932 { | |
4933 /* remove '**<numb> from wildcards */ | |
1621 | 4934 STRMOVE(rest_of_wildcards, rest_of_wildcards + 3); |
7 | 4935 } |
4936 else | |
4937 rest_of_wildcards += 3; | |
4938 | |
1541 | 4939 if (stackp->ffs_star_star_empty == 0) |
7 | 4940 { |
4941 /* if not done before, expand '**' to empty */ | |
1541 | 4942 stackp->ffs_star_star_empty = 1; |
4943 dirptrs[1] = stackp->ffs_fix_path; | |
7 | 4944 } |
4945 } | |
4946 | |
4947 /* | |
4948 * Here we copy until the next path separator or the end of | |
4949 * the path. If we stop at a path separator, there is | |
1209 | 4950 * still something else left. This is handled below by |
7 | 4951 * pushing every directory returned from expand_wildcards() |
4952 * on the stack again for further search. | |
4953 */ | |
4954 while (*rest_of_wildcards | |
4955 && !vim_ispathsep(*rest_of_wildcards)) | |
4956 file_path[len++] = *rest_of_wildcards++; | |
4957 | |
4958 file_path[len] = NUL; | |
4959 if (vim_ispathsep(*rest_of_wildcards)) | |
4960 rest_of_wildcards++; | |
4961 } | |
4962 #endif | |
4963 | |
4964 /* | |
4965 * Expand wildcards like "*" and "$VAR". | |
4966 * If the path is a URL don't try this. | |
4967 */ | |
4968 if (path_with_url(dirptrs[0])) | |
4969 { | |
1541 | 4970 stackp->ffs_filearray = (char_u **) |
7 | 4971 alloc((unsigned)sizeof(char *)); |
1541 | 4972 if (stackp->ffs_filearray != NULL |
4973 && (stackp->ffs_filearray[0] | |
7 | 4974 = vim_strsave(dirptrs[0])) != NULL) |
1541 | 4975 stackp->ffs_filearray_size = 1; |
7 | 4976 else |
1541 | 4977 stackp->ffs_filearray_size = 0; |
7 | 4978 } |
4979 else | |
2984 | 4980 /* Add EW_NOTWILD because the expanded path may contain |
4981 * wildcard characters that are to be taken literally. | |
4982 * This is a bit of a hack. */ | |
7 | 4983 expand_wildcards((dirptrs[1] == NULL) ? 1 : 2, dirptrs, |
1541 | 4984 &stackp->ffs_filearray_size, |
4985 &stackp->ffs_filearray, | |
2984 | 4986 EW_DIR|EW_ADDSLASH|EW_SILENT|EW_NOTWILD); |
7 | 4987 |
1541 | 4988 stackp->ffs_filearray_cur = 0; |
4989 stackp->ffs_stage = 0; | |
7 | 4990 } |
4991 #ifdef FEAT_PATH_EXTRA | |
4992 else | |
1541 | 4993 rest_of_wildcards = &stackp->ffs_wc_path[ |
4994 STRLEN(stackp->ffs_wc_path)]; | |
4995 #endif | |
4996 | |
4997 if (stackp->ffs_stage == 0) | |
7 | 4998 { |
4999 /* this is the first time we work on this directory */ | |
5000 #ifdef FEAT_PATH_EXTRA | |
5001 if (*rest_of_wildcards == NUL) | |
5002 #endif | |
5003 { | |
5004 /* | |
5005 * we don't have further wildcards to expand, so we have to | |
5006 * check for the final file now | |
5007 */ | |
1541 | 5008 for (i = stackp->ffs_filearray_cur; |
5009 i < stackp->ffs_filearray_size; ++i) | |
7 | 5010 { |
1541 | 5011 if (!path_with_url(stackp->ffs_filearray[i]) |
5012 && !mch_isdir(stackp->ffs_filearray[i])) | |
7 | 5013 continue; /* not a directory */ |
5014 | |
1993 | 5015 /* prepare the filename to be checked for existence |
7 | 5016 * below */ |
1541 | 5017 STRCPY(file_path, stackp->ffs_filearray[i]); |
7 | 5018 add_pathsep(file_path); |
1541 | 5019 STRCAT(file_path, search_ctx->ffsc_file_to_search); |
7 | 5020 |
5021 /* | |
5022 * Try without extra suffix and then with suffixes | |
5023 * from 'suffixesadd'. | |
5024 */ | |
5025 #ifdef FEAT_SEARCHPATH | |
5026 len = (int)STRLEN(file_path); | |
2521
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
5027 if (search_ctx->ffsc_tagfile) |
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
5028 suf = (char_u *)""; |
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
5029 else |
d890c820722f
Fix: 'suffixesadd' was used for finding tags file.
Bram Moolenaar <bram@vim.org>
parents:
2520
diff
changeset
|
5030 suf = curbuf->b_p_sua; |
7 | 5031 for (;;) |
5032 #endif | |
5033 { | |
5034 /* if file exists and we didn't already find it */ | |
5035 if ((path_with_url(file_path) | |
1541 | 5036 || (mch_getperm(file_path) >= 0 |
5037 && (search_ctx->ffsc_find_what | |
5038 == FINDFILE_BOTH | |
5039 || ((search_ctx->ffsc_find_what | |
5040 == FINDFILE_DIR) | |
5041 == mch_isdir(file_path))))) | |
7 | 5042 #ifndef FF_VERBOSE |
5043 && (ff_check_visited( | |
1541 | 5044 &search_ctx->ffsc_visited_list->ffvl_visited_list, |
7 | 5045 file_path |
5046 #ifdef FEAT_PATH_EXTRA | |
5047 , (char_u *)"" | |
5048 #endif | |
5049 ) == OK) | |
5050 #endif | |
5051 ) | |
5052 { | |
5053 #ifdef FF_VERBOSE | |
5054 if (ff_check_visited( | |
1541 | 5055 &search_ctx->ffsc_visited_list->ffvl_visited_list, |
7 | 5056 file_path |
5057 #ifdef FEAT_PATH_EXTRA | |
5058 , (char_u *)"" | |
5059 #endif | |
5060 ) == FAIL) | |
5061 { | |
5062 if (p_verbose >= 5) | |
5063 { | |
293 | 5064 verbose_enter_scroll(); |
273 | 5065 smsg((char_u *)"Already: %s", |
7 | 5066 file_path); |
5067 /* don't overwrite this either */ | |
5068 msg_puts((char_u *)"\n"); | |
293 | 5069 verbose_leave_scroll(); |
7 | 5070 } |
5071 continue; | |
5072 } | |
5073 #endif | |
5074 | |
5075 /* push dir to examine rest of subdirs later */ | |
1541 | 5076 stackp->ffs_filearray_cur = i + 1; |
5077 ff_push(search_ctx, stackp); | |
7 | 5078 |
1789 | 5079 if (!path_with_url(file_path)) |
5080 simplify_filename(file_path); | |
7 | 5081 if (mch_dirname(ff_expand_buffer, MAXPATHL) |
5082 == OK) | |
5083 { | |
5084 p = shorten_fname(file_path, | |
5085 ff_expand_buffer); | |
5086 if (p != NULL) | |
1621 | 5087 STRMOVE(file_path, p); |
7 | 5088 } |
5089 #ifdef FF_VERBOSE | |
5090 if (p_verbose >= 5) | |
5091 { | |
293 | 5092 verbose_enter_scroll(); |
273 | 5093 smsg((char_u *)"HIT: %s", file_path); |
7 | 5094 /* don't overwrite this either */ |
5095 msg_puts((char_u *)"\n"); | |
293 | 5096 verbose_leave_scroll(); |
7 | 5097 } |
5098 #endif | |
5099 return file_path; | |
5100 } | |
5101 | |
5102 #ifdef FEAT_SEARCHPATH | |
5103 /* Not found or found already, try next suffix. */ | |
5104 if (*suf == NUL) | |
5105 break; | |
5106 copy_option_part(&suf, file_path + len, | |
5107 MAXPATHL - len, ","); | |
5108 #endif | |
5109 } | |
5110 } | |
5111 } | |
5112 #ifdef FEAT_PATH_EXTRA | |
5113 else | |
5114 { | |
5115 /* | |
5116 * still wildcards left, push the directories for further | |
5117 * search | |
5118 */ | |
1541 | 5119 for (i = stackp->ffs_filearray_cur; |
5120 i < stackp->ffs_filearray_size; ++i) | |
7 | 5121 { |
1541 | 5122 if (!mch_isdir(stackp->ffs_filearray[i])) |
7 | 5123 continue; /* not a directory */ |
5124 | |
1541 | 5125 ff_push(search_ctx, |
5126 ff_create_stack_element( | |
5127 stackp->ffs_filearray[i], | |
5128 rest_of_wildcards, | |
5129 stackp->ffs_level - 1, 0)); | |
7 | 5130 } |
5131 } | |
5132 #endif | |
1541 | 5133 stackp->ffs_filearray_cur = 0; |
5134 stackp->ffs_stage = 1; | |
7 | 5135 } |
5136 | |
5137 #ifdef FEAT_PATH_EXTRA | |
5138 /* | |
5139 * if wildcards contains '**' we have to descent till we reach the | |
5140 * leaves of the directory tree. | |
5141 */ | |
1541 | 5142 if (STRNCMP(stackp->ffs_wc_path, "**", 2) == 0) |
7 | 5143 { |
1541 | 5144 for (i = stackp->ffs_filearray_cur; |
5145 i < stackp->ffs_filearray_size; ++i) | |
7 | 5146 { |
1541 | 5147 if (fnamecmp(stackp->ffs_filearray[i], |
5148 stackp->ffs_fix_path) == 0) | |
7 | 5149 continue; /* don't repush same directory */ |
1541 | 5150 if (!mch_isdir(stackp->ffs_filearray[i])) |
7 | 5151 continue; /* not a directory */ |
1541 | 5152 ff_push(search_ctx, |
5153 ff_create_stack_element(stackp->ffs_filearray[i], | |
5154 stackp->ffs_wc_path, stackp->ffs_level - 1, 1)); | |
7 | 5155 } |
5156 } | |
5157 #endif | |
5158 | |
5159 /* we are done with the current directory */ | |
1541 | 5160 ff_free_stack_element(stackp); |
7 | 5161 |
5162 } | |
5163 | |
5164 #ifdef FEAT_PATH_EXTRA | |
5165 /* If we reached this, we didn't find anything downwards. | |
5166 * Let's check if we should do an upward search. | |
5167 */ | |
1541 | 5168 if (search_ctx->ffsc_start_dir |
5169 && search_ctx->ffsc_stopdirs_v != NULL && !got_int) | |
7 | 5170 { |
5171 ff_stack_T *sptr; | |
5172 | |
5173 /* is the last starting directory in the stop list? */ | |
1541 | 5174 if (ff_path_in_stoplist(search_ctx->ffsc_start_dir, |
5175 (int)(path_end - search_ctx->ffsc_start_dir), | |
5176 search_ctx->ffsc_stopdirs_v) == TRUE) | |
7 | 5177 break; |
5178 | |
5179 /* cut of last dir */ | |
1541 | 5180 while (path_end > search_ctx->ffsc_start_dir |
5181 && vim_ispathsep(*path_end)) | |
7 | 5182 path_end--; |
1541 | 5183 while (path_end > search_ctx->ffsc_start_dir |
5184 && !vim_ispathsep(path_end[-1])) | |
7 | 5185 path_end--; |
5186 *path_end = 0; | |
5187 path_end--; | |
5188 | |
1541 | 5189 if (*search_ctx->ffsc_start_dir == 0) |
7 | 5190 break; |
5191 | |
1541 | 5192 STRCPY(file_path, search_ctx->ffsc_start_dir); |
7 | 5193 add_pathsep(file_path); |
1541 | 5194 STRCAT(file_path, search_ctx->ffsc_fix_path); |
7 | 5195 |
5196 /* create a new stack entry */ | |
5197 sptr = ff_create_stack_element(file_path, | |
1541 | 5198 search_ctx->ffsc_wc_path, search_ctx->ffsc_level, 0); |
7 | 5199 if (sptr == NULL) |
5200 break; | |
1541 | 5201 ff_push(search_ctx, sptr); |
7 | 5202 } |
5203 else | |
5204 break; | |
5205 } | |
5206 #endif | |
5207 | |
5208 vim_free(file_path); | |
5209 return NULL; | |
5210 } | |
5211 | |
5212 /* | |
5213 * Free the list of lists of visited files and directories | |
5214 * Can handle it if the passed search_context is NULL; | |
5215 */ | |
5216 void | |
1541 | 5217 vim_findfile_free_visited(search_ctx_arg) |
5218 void *search_ctx_arg; | |
7 | 5219 { |
1541 | 5220 ff_search_ctx_T *search_ctx; |
5221 | |
5222 if (search_ctx_arg == NULL) | |
7 | 5223 return; |
5224 | |
1541 | 5225 search_ctx = (ff_search_ctx_T *)search_ctx_arg; |
5226 vim_findfile_free_visited_list(&search_ctx->ffsc_visited_lists_list); | |
5227 vim_findfile_free_visited_list(&search_ctx->ffsc_dir_visited_lists_list); | |
7 | 5228 } |
5229 | |
5230 static void | |
5231 vim_findfile_free_visited_list(list_headp) | |
5232 ff_visited_list_hdr_T **list_headp; | |
5233 { | |
5234 ff_visited_list_hdr_T *vp; | |
5235 | |
5236 while (*list_headp != NULL) | |
5237 { | |
5238 vp = (*list_headp)->ffvl_next; | |
5239 ff_free_visited_list((*list_headp)->ffvl_visited_list); | |
5240 | |
5241 vim_free((*list_headp)->ffvl_filename); | |
5242 vim_free(*list_headp); | |
5243 *list_headp = vp; | |
5244 } | |
5245 *list_headp = NULL; | |
5246 } | |
5247 | |
5248 static void | |
5249 ff_free_visited_list(vl) | |
5250 ff_visited_T *vl; | |
5251 { | |
5252 ff_visited_T *vp; | |
5253 | |
5254 while (vl != NULL) | |
5255 { | |
5256 vp = vl->ffv_next; | |
5257 #ifdef FEAT_PATH_EXTRA | |
5258 vim_free(vl->ffv_wc_path); | |
5259 #endif | |
5260 vim_free(vl); | |
5261 vl = vp; | |
5262 } | |
5263 vl = NULL; | |
5264 } | |
5265 | |
5266 /* | |
5267 * Returns the already visited list for the given filename. If none is found it | |
5268 * allocates a new one. | |
5269 */ | |
5270 static ff_visited_list_hdr_T* | |
5271 ff_get_visited_list(filename, list_headp) | |
5272 char_u *filename; | |
5273 ff_visited_list_hdr_T **list_headp; | |
5274 { | |
5275 ff_visited_list_hdr_T *retptr = NULL; | |
5276 | |
5277 /* check if a visited list for the given filename exists */ | |
5278 if (*list_headp != NULL) | |
5279 { | |
5280 retptr = *list_headp; | |
5281 while (retptr != NULL) | |
5282 { | |
5283 if (fnamecmp(filename, retptr->ffvl_filename) == 0) | |
5284 { | |
5285 #ifdef FF_VERBOSE | |
5286 if (p_verbose >= 5) | |
5287 { | |
293 | 5288 verbose_enter_scroll(); |
273 | 5289 smsg((char_u *)"ff_get_visited_list: FOUND list for %s", |
7 | 5290 filename); |
5291 /* don't overwrite this either */ | |
5292 msg_puts((char_u *)"\n"); | |
293 | 5293 verbose_leave_scroll(); |
7 | 5294 } |
5295 #endif | |
5296 return retptr; | |
5297 } | |
5298 retptr = retptr->ffvl_next; | |
5299 } | |
5300 } | |
5301 | |
5302 #ifdef FF_VERBOSE | |
5303 if (p_verbose >= 5) | |
5304 { | |
293 | 5305 verbose_enter_scroll(); |
273 | 5306 smsg((char_u *)"ff_get_visited_list: new list for %s", filename); |
7 | 5307 /* don't overwrite this either */ |
5308 msg_puts((char_u *)"\n"); | |
293 | 5309 verbose_leave_scroll(); |
7 | 5310 } |
5311 #endif | |
5312 | |
5313 /* | |
5314 * if we reach this we didn't find a list and we have to allocate new list | |
5315 */ | |
5316 retptr = (ff_visited_list_hdr_T*)alloc((unsigned)sizeof(*retptr)); | |
5317 if (retptr == NULL) | |
5318 return NULL; | |
5319 | |
5320 retptr->ffvl_visited_list = NULL; | |
5321 retptr->ffvl_filename = vim_strsave(filename); | |
5322 if (retptr->ffvl_filename == NULL) | |
5323 { | |
5324 vim_free(retptr); | |
5325 return NULL; | |
5326 } | |
5327 retptr->ffvl_next = *list_headp; | |
5328 *list_headp = retptr; | |
5329 | |
5330 return retptr; | |
5331 } | |
5332 | |
5333 #ifdef FEAT_PATH_EXTRA | |
5334 /* | |
5335 * check if two wildcard paths are equal. Returns TRUE or FALSE. | |
5336 * They are equal if: | |
5337 * - both paths are NULL | |
5338 * - they have the same length | |
5339 * - char by char comparison is OK | |
5340 * - the only differences are in the counters behind a '**', so | |
5341 * '**\20' is equal to '**\24' | |
5342 */ | |
5343 static int | |
5344 ff_wc_equal(s1, s2) | |
5345 char_u *s1; | |
5346 char_u *s2; | |
5347 { | |
5348 int i; | |
5349 | |
5350 if (s1 == s2) | |
5351 return TRUE; | |
5352 | |
5353 if (s1 == NULL || s2 == NULL) | |
5354 return FALSE; | |
5355 | |
5356 if (STRLEN(s1) != STRLEN(s2)) | |
5357 return FAIL; | |
5358 | |
5359 for (i = 0; s1[i] != NUL && s2[i] != NUL; i++) | |
5360 { | |
5361 if (s1[i] != s2[i] | |
5362 #ifdef CASE_INSENSITIVE_FILENAME | |
5363 && TOUPPER_LOC(s1[i]) != TOUPPER_LOC(s2[i]) | |
5364 #endif | |
5365 ) | |
5366 { | |
5367 if (i >= 2) | |
5368 if (s1[i-1] == '*' && s1[i-2] == '*') | |
5369 continue; | |
5370 else | |
5371 return FAIL; | |
5372 else | |
5373 return FAIL; | |
5374 } | |
5375 } | |
5376 return TRUE; | |
5377 } | |
5378 #endif | |
5379 | |
5380 /* | |
5381 * maintains the list of already visited files and dirs | |
5382 * returns FAIL if the given file/dir is already in the list | |
5383 * returns OK if it is newly added | |
5384 * | |
5385 * TODO: What to do on memory allocation problems? | |
5386 * -> return TRUE - Better the file is found several times instead of | |
5387 * never. | |
5388 */ | |
5389 static int | |
5390 ff_check_visited(visited_list, fname | |
5391 #ifdef FEAT_PATH_EXTRA | |
5392 , wc_path | |
5393 #endif | |
5394 ) | |
5395 ff_visited_T **visited_list; | |
5396 char_u *fname; | |
5397 #ifdef FEAT_PATH_EXTRA | |
5398 char_u *wc_path; | |
5399 #endif | |
5400 { | |
5401 ff_visited_T *vp; | |
5402 #ifdef UNIX | |
5403 struct stat st; | |
5404 int url = FALSE; | |
5405 #endif | |
5406 | |
5407 /* For an URL we only compare the name, otherwise we compare the | |
5408 * device/inode (unix) or the full path name (not Unix). */ | |
5409 if (path_with_url(fname)) | |
5410 { | |
418 | 5411 vim_strncpy(ff_expand_buffer, fname, MAXPATHL - 1); |
7 | 5412 #ifdef UNIX |
5413 url = TRUE; | |
5414 #endif | |
5415 } | |
5416 else | |
5417 { | |
5418 ff_expand_buffer[0] = NUL; | |
5419 #ifdef UNIX | |
5420 if (mch_stat((char *)fname, &st) < 0) | |
5421 #else | |
5422 if (vim_FullName(fname, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) | |
5423 #endif | |
5424 return FAIL; | |
5425 } | |
5426 | |
5427 /* check against list of already visited files */ | |
5428 for (vp = *visited_list; vp != NULL; vp = vp->ffv_next) | |
5429 { | |
5430 if ( | |
5431 #ifdef UNIX | |
1881 | 5432 !url ? (vp->ffv_dev_valid && vp->ffv_dev == st.st_dev |
5433 && vp->ffv_ino == st.st_ino) | |
5434 : | |
7 | 5435 #endif |
5436 fnamecmp(vp->ffv_fname, ff_expand_buffer) == 0 | |
5437 ) | |
5438 { | |
5439 #ifdef FEAT_PATH_EXTRA | |
5440 /* are the wildcard parts equal */ | |
5441 if (ff_wc_equal(vp->ffv_wc_path, wc_path) == TRUE) | |
5442 #endif | |
5443 /* already visited */ | |
5444 return FAIL; | |
5445 } | |
5446 } | |
5447 | |
5448 /* | |
5449 * New file/dir. Add it to the list of visited files/dirs. | |
5450 */ | |
5451 vp = (ff_visited_T *)alloc((unsigned)(sizeof(ff_visited_T) | |
5452 + STRLEN(ff_expand_buffer))); | |
5453 | |
5454 if (vp != NULL) | |
5455 { | |
5456 #ifdef UNIX | |
5457 if (!url) | |
5458 { | |
1881 | 5459 vp->ffv_dev_valid = TRUE; |
7 | 5460 vp->ffv_ino = st.st_ino; |
5461 vp->ffv_dev = st.st_dev; | |
5462 vp->ffv_fname[0] = NUL; | |
5463 } | |
5464 else | |
5465 { | |
1881 | 5466 vp->ffv_dev_valid = FALSE; |
7 | 5467 #endif |
5468 STRCPY(vp->ffv_fname, ff_expand_buffer); | |
5469 #ifdef UNIX | |
5470 } | |
5471 #endif | |
5472 #ifdef FEAT_PATH_EXTRA | |
5473 if (wc_path != NULL) | |
5474 vp->ffv_wc_path = vim_strsave(wc_path); | |
5475 else | |
5476 vp->ffv_wc_path = NULL; | |
5477 #endif | |
5478 | |
5479 vp->ffv_next = *visited_list; | |
5480 *visited_list = vp; | |
5481 } | |
5482 | |
5483 return OK; | |
5484 } | |
5485 | |
5486 /* | |
5487 * create stack element from given path pieces | |
5488 */ | |
5489 static ff_stack_T * | |
5490 ff_create_stack_element(fix_part, | |
5491 #ifdef FEAT_PATH_EXTRA | |
5492 wc_part, | |
5493 #endif | |
5494 level, star_star_empty) | |
5495 char_u *fix_part; | |
5496 #ifdef FEAT_PATH_EXTRA | |
5497 char_u *wc_part; | |
5498 #endif | |
5499 int level; | |
5500 int star_star_empty; | |
5501 { | |
5502 ff_stack_T *new; | |
5503 | |
5504 new = (ff_stack_T *)alloc((unsigned)sizeof(ff_stack_T)); | |
5505 if (new == NULL) | |
5506 return NULL; | |
5507 | |
5508 new->ffs_prev = NULL; | |
5509 new->ffs_filearray = NULL; | |
5510 new->ffs_filearray_size = 0; | |
5511 new->ffs_filearray_cur = 0; | |
5512 new->ffs_stage = 0; | |
5513 new->ffs_level = level; | |
5514 new->ffs_star_star_empty = star_star_empty;; | |
5515 | |
5516 /* the following saves NULL pointer checks in vim_findfile */ | |
5517 if (fix_part == NULL) | |
5518 fix_part = (char_u *)""; | |
5519 new->ffs_fix_path = vim_strsave(fix_part); | |
5520 | |
5521 #ifdef FEAT_PATH_EXTRA | |
5522 if (wc_part == NULL) | |
5523 wc_part = (char_u *)""; | |
5524 new->ffs_wc_path = vim_strsave(wc_part); | |
5525 #endif | |
5526 | |
5527 if (new->ffs_fix_path == NULL | |
5528 #ifdef FEAT_PATH_EXTRA | |
5529 || new->ffs_wc_path == NULL | |
5530 #endif | |
5531 ) | |
5532 { | |
5533 ff_free_stack_element(new); | |
5534 new = NULL; | |
5535 } | |
5536 | |
5537 return new; | |
5538 } | |
5539 | |
5540 /* | |
1541 | 5541 * Push a dir on the directory stack. |
7 | 5542 */ |
5543 static void | |
1541 | 5544 ff_push(search_ctx, stack_ptr) |
5545 ff_search_ctx_T *search_ctx; | |
5546 ff_stack_T *stack_ptr; | |
7 | 5547 { |
5548 /* check for NULL pointer, not to return an error to the user, but | |
359 | 5549 * to prevent a crash */ |
1541 | 5550 if (stack_ptr != NULL) |
7 | 5551 { |
1541 | 5552 stack_ptr->ffs_prev = search_ctx->ffsc_stack_ptr; |
5553 search_ctx->ffsc_stack_ptr = stack_ptr; | |
7 | 5554 } |
5555 } | |
5556 | |
5557 /* | |
1541 | 5558 * Pop a dir from the directory stack. |
5559 * Returns NULL if stack is empty. | |
7 | 5560 */ |
5561 static ff_stack_T * | |
1541 | 5562 ff_pop(search_ctx) |
5563 ff_search_ctx_T *search_ctx; | |
7 | 5564 { |
5565 ff_stack_T *sptr; | |
5566 | |
1541 | 5567 sptr = search_ctx->ffsc_stack_ptr; |
5568 if (search_ctx->ffsc_stack_ptr != NULL) | |
5569 search_ctx->ffsc_stack_ptr = search_ctx->ffsc_stack_ptr->ffs_prev; | |
7 | 5570 |
5571 return sptr; | |
5572 } | |
5573 | |
5574 /* | |
5575 * free the given stack element | |
5576 */ | |
5577 static void | |
1541 | 5578 ff_free_stack_element(stack_ptr) |
5579 ff_stack_T *stack_ptr; | |
7 | 5580 { |
5581 /* vim_free handles possible NULL pointers */ | |
1541 | 5582 vim_free(stack_ptr->ffs_fix_path); |
7 | 5583 #ifdef FEAT_PATH_EXTRA |
1541 | 5584 vim_free(stack_ptr->ffs_wc_path); |
5585 #endif | |
5586 | |
5587 if (stack_ptr->ffs_filearray != NULL) | |
5588 FreeWild(stack_ptr->ffs_filearray_size, stack_ptr->ffs_filearray); | |
5589 | |
5590 vim_free(stack_ptr); | |
7 | 5591 } |
5592 | |
5593 /* | |
1541 | 5594 * Clear the search context, but NOT the visited list. |
7 | 5595 */ |
5596 static void | |
1541 | 5597 ff_clear(search_ctx) |
5598 ff_search_ctx_T *search_ctx; | |
7 | 5599 { |
5600 ff_stack_T *sptr; | |
5601 | |
5602 /* clear up stack */ | |
1541 | 5603 while ((sptr = ff_pop(search_ctx)) != NULL) |
7 | 5604 ff_free_stack_element(sptr); |
5605 | |
1541 | 5606 vim_free(search_ctx->ffsc_file_to_search); |
5607 vim_free(search_ctx->ffsc_start_dir); | |
5608 vim_free(search_ctx->ffsc_fix_path); | |
7 | 5609 #ifdef FEAT_PATH_EXTRA |
1541 | 5610 vim_free(search_ctx->ffsc_wc_path); |
7 | 5611 #endif |
5612 | |
5613 #ifdef FEAT_PATH_EXTRA | |
1541 | 5614 if (search_ctx->ffsc_stopdirs_v != NULL) |
7 | 5615 { |
5616 int i = 0; | |
5617 | |
1541 | 5618 while (search_ctx->ffsc_stopdirs_v[i] != NULL) |
7 | 5619 { |
1541 | 5620 vim_free(search_ctx->ffsc_stopdirs_v[i]); |
7 | 5621 i++; |
5622 } | |
1541 | 5623 vim_free(search_ctx->ffsc_stopdirs_v); |
7 | 5624 } |
1541 | 5625 search_ctx->ffsc_stopdirs_v = NULL; |
7 | 5626 #endif |
5627 | |
5628 /* reset everything */ | |
1541 | 5629 search_ctx->ffsc_file_to_search = NULL; |
5630 search_ctx->ffsc_start_dir = NULL; | |
5631 search_ctx->ffsc_fix_path = NULL; | |
7 | 5632 #ifdef FEAT_PATH_EXTRA |
1541 | 5633 search_ctx->ffsc_wc_path = NULL; |
5634 search_ctx->ffsc_level = 0; | |
7 | 5635 #endif |
5636 } | |
5637 | |
5638 #ifdef FEAT_PATH_EXTRA | |
5639 /* | |
5640 * check if the given path is in the stopdirs | |
5641 * returns TRUE if yes else FALSE | |
5642 */ | |
5643 static int | |
5644 ff_path_in_stoplist(path, path_len, stopdirs_v) | |
5645 char_u *path; | |
5646 int path_len; | |
5647 char_u **stopdirs_v; | |
5648 { | |
5649 int i = 0; | |
5650 | |
5651 /* eat up trailing path separators, except the first */ | |
461 | 5652 while (path_len > 1 && vim_ispathsep(path[path_len - 1])) |
7 | 5653 path_len--; |
5654 | |
5655 /* if no path consider it as match */ | |
5656 if (path_len == 0) | |
5657 return TRUE; | |
5658 | |
5659 for (i = 0; stopdirs_v[i] != NULL; i++) | |
5660 { | |
5661 if ((int)STRLEN(stopdirs_v[i]) > path_len) | |
5662 { | |
5663 /* match for parent directory. So '/home' also matches | |
5664 * '/home/rks'. Check for PATHSEP in stopdirs_v[i], else | |
5665 * '/home/r' would also match '/home/rks' | |
5666 */ | |
5667 if (fnamencmp(stopdirs_v[i], path, path_len) == 0 | |
461 | 5668 && vim_ispathsep(stopdirs_v[i][path_len])) |
7 | 5669 return TRUE; |
5670 } | |
5671 else | |
5672 { | |
5673 if (fnamecmp(stopdirs_v[i], path) == 0) | |
5674 return TRUE; | |
5675 } | |
5676 } | |
5677 return FALSE; | |
5678 } | |
5679 #endif | |
5680 | |
5681 #if defined(FEAT_SEARCHPATH) || defined(PROTO) | |
5682 /* | |
1541 | 5683 * Find the file name "ptr[len]" in the path. Also finds directory names. |
7 | 5684 * |
5685 * On the first call set the parameter 'first' to TRUE to initialize | |
5686 * the search. For repeating calls to FALSE. | |
5687 * | |
5688 * Repeating calls will return other files called 'ptr[len]' from the path. | |
5689 * | |
5690 * Only on the first call 'ptr' and 'len' are used. For repeating calls they | |
5691 * don't need valid values. | |
5692 * | |
5693 * If nothing found on the first call the option FNAME_MESS will issue the | |
5694 * message: | |
5695 * 'Can't find file "<file>" in path' | |
5696 * On repeating calls: | |
5697 * 'No more file "<file>" found in path' | |
5698 * | |
5699 * options: | |
5700 * FNAME_MESS give error message when not found | |
5701 * | |
5702 * Uses NameBuff[]! | |
5703 * | |
5704 * Returns an allocated string for the file name. NULL for error. | |
5705 * | |
5706 */ | |
5707 char_u * | |
5708 find_file_in_path(ptr, len, options, first, rel_fname) | |
5709 char_u *ptr; /* file name */ | |
5710 int len; /* length of file name */ | |
5711 int options; | |
5712 int first; /* use count'th matching file name */ | |
5713 char_u *rel_fname; /* file name searching relative to */ | |
5714 { | |
5715 return find_file_in_path_option(ptr, len, options, first, | |
5716 *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path, | |
1541 | 5717 FINDFILE_BOTH, rel_fname, curbuf->b_p_sua); |
7 | 5718 } |
5719 | |
359 | 5720 static char_u *ff_file_to_find = NULL; |
5721 static void *fdip_search_ctx = NULL; | |
5722 | |
5723 #if defined(EXITFREE) | |
5724 static void | |
5725 free_findfile() | |
5726 { | |
5727 vim_free(ff_file_to_find); | |
5728 vim_findfile_cleanup(fdip_search_ctx); | |
5729 } | |
5730 #endif | |
5731 | |
7 | 5732 /* |
5733 * Find the directory name "ptr[len]" in the path. | |
5734 * | |
5735 * options: | |
5736 * FNAME_MESS give error message when not found | |
5737 * | |
5738 * Uses NameBuff[]! | |
5739 * | |
5740 * Returns an allocated string for the file name. NULL for error. | |
5741 */ | |
5742 char_u * | |
5743 find_directory_in_path(ptr, len, options, rel_fname) | |
5744 char_u *ptr; /* file name */ | |
5745 int len; /* length of file name */ | |
5746 int options; | |
5747 char_u *rel_fname; /* file name searching relative to */ | |
5748 { | |
5749 return find_file_in_path_option(ptr, len, options, TRUE, p_cdpath, | |
1541 | 5750 FINDFILE_DIR, rel_fname, (char_u *)""); |
7 | 5751 } |
5752 | |
19 | 5753 char_u * |
1541 | 5754 find_file_in_path_option(ptr, len, options, first, path_option, find_what, rel_fname, suffixes) |
7 | 5755 char_u *ptr; /* file name */ |
5756 int len; /* length of file name */ | |
5757 int options; | |
5758 int first; /* use count'th matching file name */ | |
5759 char_u *path_option; /* p_path or p_cdpath */ | |
1541 | 5760 int find_what; /* FINDFILE_FILE, _DIR or _BOTH */ |
7 | 5761 char_u *rel_fname; /* file name we are looking relative to. */ |
794 | 5762 char_u *suffixes; /* list of suffixes, 'suffixesadd' option */ |
7 | 5763 { |
5764 static char_u *dir; | |
5765 static int did_findfile_init = FALSE; | |
5766 char_u save_char; | |
5767 char_u *file_name = NULL; | |
5768 char_u *buf = NULL; | |
5769 int rel_to_curdir; | |
5770 #ifdef AMIGA | |
5771 struct Process *proc = (struct Process *)FindTask(0L); | |
5772 APTR save_winptr = proc->pr_WindowPtr; | |
5773 | |
5774 /* Avoid a requester here for a volume that doesn't exist. */ | |
5775 proc->pr_WindowPtr = (APTR)-1L; | |
5776 #endif | |
5777 | |
5778 if (first == TRUE) | |
5779 { | |
5780 /* copy file name into NameBuff, expanding environment variables */ | |
5781 save_char = ptr[len]; | |
5782 ptr[len] = NUL; | |
5783 expand_env(ptr, NameBuff, MAXPATHL); | |
5784 ptr[len] = save_char; | |
5785 | |
359 | 5786 vim_free(ff_file_to_find); |
5787 ff_file_to_find = vim_strsave(NameBuff); | |
5788 if (ff_file_to_find == NULL) /* out of memory */ | |
7 | 5789 { |
5790 file_name = NULL; | |
5791 goto theend; | |
5792 } | |
5793 } | |
5794 | |
359 | 5795 rel_to_curdir = (ff_file_to_find[0] == '.' |
5796 && (ff_file_to_find[1] == NUL | |
5797 || vim_ispathsep(ff_file_to_find[1]) | |
5798 || (ff_file_to_find[1] == '.' | |
5799 && (ff_file_to_find[2] == NUL | |
5800 || vim_ispathsep(ff_file_to_find[2]))))); | |
5801 if (vim_isAbsName(ff_file_to_find) | |
7 | 5802 /* "..", "../path", "." and "./path": don't use the path_option */ |
5803 || rel_to_curdir | |
5804 #if defined(MSWIN) || defined(MSDOS) || defined(OS2) | |
5805 /* handle "\tmp" as absolute path */ | |
359 | 5806 || vim_ispathsep(ff_file_to_find[0]) |
1993 | 5807 /* handle "c:name" as absolute path */ |
359 | 5808 || (ff_file_to_find[0] != NUL && ff_file_to_find[1] == ':') |
7 | 5809 #endif |
5810 #ifdef AMIGA | |
5811 /* handle ":tmp" as absolute path */ | |
359 | 5812 || ff_file_to_find[0] == ':' |
7 | 5813 #endif |
5814 ) | |
5815 { | |
5816 /* | |
5817 * Absolute path, no need to use "path_option". | |
5818 * If this is not a first call, return NULL. We already returned a | |
5819 * filename on the first call. | |
5820 */ | |
5821 if (first == TRUE) | |
5822 { | |
5823 int l; | |
5824 int run; | |
5825 | |
359 | 5826 if (path_with_url(ff_file_to_find)) |
7 | 5827 { |
359 | 5828 file_name = vim_strsave(ff_file_to_find); |
7 | 5829 goto theend; |
5830 } | |
5831 | |
5832 /* When FNAME_REL flag given first use the directory of the file. | |
5833 * Otherwise or when this fails use the current directory. */ | |
5834 for (run = 1; run <= 2; ++run) | |
5835 { | |
359 | 5836 l = (int)STRLEN(ff_file_to_find); |
7 | 5837 if (run == 1 |
5838 && rel_to_curdir | |
5839 && (options & FNAME_REL) | |
5840 && rel_fname != NULL | |
5841 && STRLEN(rel_fname) + l < MAXPATHL) | |
5842 { | |
5843 STRCPY(NameBuff, rel_fname); | |
359 | 5844 STRCPY(gettail(NameBuff), ff_file_to_find); |
7 | 5845 l = (int)STRLEN(NameBuff); |
5846 } | |
5847 else | |
5848 { | |
359 | 5849 STRCPY(NameBuff, ff_file_to_find); |
7 | 5850 run = 2; |
5851 } | |
5852 | |
5853 /* When the file doesn't exist, try adding parts of | |
5854 * 'suffixesadd'. */ | |
794 | 5855 buf = suffixes; |
7 | 5856 for (;;) |
5857 { | |
5858 if ( | |
5859 #ifdef DJGPP | |
5860 /* "C:" by itself will fail for mch_getperm(), | |
5861 * assume it's always valid. */ | |
1541 | 5862 (find_what != FINDFILE_FILE && NameBuff[0] != NUL |
7 | 5863 && NameBuff[1] == ':' |
5864 && NameBuff[2] == NUL) || | |
5865 #endif | |
5866 (mch_getperm(NameBuff) >= 0 | |
1541 | 5867 && (find_what == FINDFILE_BOTH |
5868 || ((find_what == FINDFILE_DIR) | |
5869 == mch_isdir(NameBuff))))) | |
7 | 5870 { |
5871 file_name = vim_strsave(NameBuff); | |
5872 goto theend; | |
5873 } | |
5874 if (*buf == NUL) | |
5875 break; | |
5876 copy_option_part(&buf, NameBuff + l, MAXPATHL - l, ","); | |
5877 } | |
5878 } | |
5879 } | |
5880 } | |
5881 else | |
5882 { | |
5883 /* | |
5884 * Loop over all paths in the 'path' or 'cdpath' option. | |
5885 * When "first" is set, first setup to the start of the option. | |
5886 * Otherwise continue to find the next match. | |
5887 */ | |
5888 if (first == TRUE) | |
5889 { | |
5890 /* vim_findfile_free_visited can handle a possible NULL pointer */ | |
359 | 5891 vim_findfile_free_visited(fdip_search_ctx); |
7 | 5892 dir = path_option; |
5893 did_findfile_init = FALSE; | |
5894 } | |
5895 | |
5896 for (;;) | |
5897 { | |
5898 if (did_findfile_init) | |
5899 { | |
359 | 5900 file_name = vim_findfile(fdip_search_ctx); |
7 | 5901 if (file_name != NULL) |
5902 break; | |
5903 | |
5904 did_findfile_init = FALSE; | |
5905 } | |
5906 else | |
5907 { | |
5908 char_u *r_ptr; | |
5909 | |
5910 if (dir == NULL || *dir == NUL) | |
5911 { | |
5912 /* We searched all paths of the option, now we can | |
5913 * free the search context. */ | |
359 | 5914 vim_findfile_cleanup(fdip_search_ctx); |
5915 fdip_search_ctx = NULL; | |
7 | 5916 break; |
5917 } | |
5918 | |
5919 if ((buf = alloc((int)(MAXPATHL))) == NULL) | |
5920 break; | |
5921 | |
5922 /* copy next path */ | |
5923 buf[0] = 0; | |
5924 copy_option_part(&dir, buf, MAXPATHL, " ,"); | |
5925 | |
5926 #ifdef FEAT_PATH_EXTRA | |
5927 /* get the stopdir string */ | |
5928 r_ptr = vim_findfile_stopdir(buf); | |
5929 #else | |
5930 r_ptr = NULL; | |
5931 #endif | |
359 | 5932 fdip_search_ctx = vim_findfile_init(buf, ff_file_to_find, |
1541 | 5933 r_ptr, 100, FALSE, find_what, |
359 | 5934 fdip_search_ctx, FALSE, rel_fname); |
5935 if (fdip_search_ctx != NULL) | |
7 | 5936 did_findfile_init = TRUE; |
5937 vim_free(buf); | |
5938 } | |
5939 } | |
5940 } | |
5941 if (file_name == NULL && (options & FNAME_MESS)) | |
5942 { | |
5943 if (first == TRUE) | |
5944 { | |
1541 | 5945 if (find_what == FINDFILE_DIR) |
7 | 5946 EMSG2(_("E344: Can't find directory \"%s\" in cdpath"), |
359 | 5947 ff_file_to_find); |
7 | 5948 else |
5949 EMSG2(_("E345: Can't find file \"%s\" in path"), | |
359 | 5950 ff_file_to_find); |
7 | 5951 } |
5952 else | |
5953 { | |
1541 | 5954 if (find_what == FINDFILE_DIR) |
7 | 5955 EMSG2(_("E346: No more directory \"%s\" found in cdpath"), |
359 | 5956 ff_file_to_find); |
7 | 5957 else |
5958 EMSG2(_("E347: No more file \"%s\" found in path"), | |
359 | 5959 ff_file_to_find); |
7 | 5960 } |
5961 } | |
5962 | |
5963 theend: | |
5964 #ifdef AMIGA | |
5965 proc->pr_WindowPtr = save_winptr; | |
5966 #endif | |
5967 return file_name; | |
5968 } | |
5969 | |
5970 #endif /* FEAT_SEARCHPATH */ | |
5971 | |
5972 /* | |
5973 * Change directory to "new_dir". If FEAT_SEARCHPATH is defined, search | |
5974 * 'cdpath' for relative directory names, otherwise just mch_chdir(). | |
5975 */ | |
5976 int | |
5977 vim_chdir(new_dir) | |
5978 char_u *new_dir; | |
5979 { | |
5980 #ifndef FEAT_SEARCHPATH | |
5981 return mch_chdir((char *)new_dir); | |
5982 #else | |
5983 char_u *dir_name; | |
5984 int r; | |
5985 | |
5986 dir_name = find_directory_in_path(new_dir, (int)STRLEN(new_dir), | |
5987 FNAME_MESS, curbuf->b_ffname); | |
5988 if (dir_name == NULL) | |
5989 return -1; | |
5990 r = mch_chdir((char *)dir_name); | |
5991 vim_free(dir_name); | |
5992 return r; | |
5993 #endif | |
5994 } | |
5995 | |
5996 /* | |
418 | 5997 * Get user name from machine-specific function. |
7 | 5998 * Returns the user name in "buf[len]". |
418 | 5999 * Some systems are quite slow in obtaining the user name (Windows NT), thus |
6000 * cache the result. | |
7 | 6001 * Returns OK or FAIL. |
6002 */ | |
6003 int | |
6004 get_user_name(buf, len) | |
6005 char_u *buf; | |
6006 int len; | |
6007 { | |
359 | 6008 if (username == NULL) |
7 | 6009 { |
6010 if (mch_get_user_name(buf, len) == FAIL) | |
6011 return FAIL; | |
359 | 6012 username = vim_strsave(buf); |
7 | 6013 } |
6014 else | |
418 | 6015 vim_strncpy(buf, username, len - 1); |
7 | 6016 return OK; |
6017 } | |
6018 | |
6019 #ifndef HAVE_QSORT | |
6020 /* | |
6021 * Our own qsort(), for systems that don't have it. | |
6022 * It's simple and slow. From the K&R C book. | |
6023 */ | |
6024 void | |
6025 qsort(base, elm_count, elm_size, cmp) | |
6026 void *base; | |
6027 size_t elm_count; | |
6028 size_t elm_size; | |
6029 int (*cmp) __ARGS((const void *, const void *)); | |
6030 { | |
6031 char_u *buf; | |
6032 char_u *p1; | |
6033 char_u *p2; | |
6034 int i, j; | |
6035 int gap; | |
6036 | |
6037 buf = alloc((unsigned)elm_size); | |
6038 if (buf == NULL) | |
6039 return; | |
6040 | |
6041 for (gap = elm_count / 2; gap > 0; gap /= 2) | |
6042 for (i = gap; i < elm_count; ++i) | |
6043 for (j = i - gap; j >= 0; j -= gap) | |
6044 { | |
6045 /* Compare the elements. */ | |
6046 p1 = (char_u *)base + j * elm_size; | |
6047 p2 = (char_u *)base + (j + gap) * elm_size; | |
6048 if ((*cmp)((void *)p1, (void *)p2) <= 0) | |
6049 break; | |
1993 | 6050 /* Exchange the elements. */ |
7 | 6051 mch_memmove(buf, p1, elm_size); |
6052 mch_memmove(p1, p2, elm_size); | |
6053 mch_memmove(p2, buf, elm_size); | |
6054 } | |
6055 | |
6056 vim_free(buf); | |
6057 } | |
6058 #endif | |
6059 | |
6060 /* | |
6061 * Sort an array of strings. | |
6062 */ | |
6063 static int | |
6064 #ifdef __BORLANDC__ | |
6065 _RTLENTRYF | |
6066 #endif | |
6067 sort_compare __ARGS((const void *s1, const void *s2)); | |
6068 | |
6069 static int | |
6070 #ifdef __BORLANDC__ | |
6071 _RTLENTRYF | |
6072 #endif | |
6073 sort_compare(s1, s2) | |
6074 const void *s1; | |
6075 const void *s2; | |
6076 { | |
6077 return STRCMP(*(char **)s1, *(char **)s2); | |
6078 } | |
6079 | |
6080 void | |
6081 sort_strings(files, count) | |
6082 char_u **files; | |
6083 int count; | |
6084 { | |
6085 qsort((void *)files, (size_t)count, sizeof(char_u *), sort_compare); | |
6086 } | |
6087 | |
6088 #if !defined(NO_EXPANDPATH) || defined(PROTO) | |
6089 /* | |
6090 * Compare path "p[]" to "q[]". | |
39 | 6091 * If "maxlen" >= 0 compare "p[maxlen]" to "q[maxlen]" |
7 | 6092 * Return value like strcmp(p, q), but consider path separators. |
6093 */ | |
6094 int | |
39 | 6095 pathcmp(p, q, maxlen) |
7 | 6096 const char *p, *q; |
39 | 6097 int maxlen; |
7 | 6098 { |
6099 int i; | |
41 | 6100 const char *s = NULL; |
7 | 6101 |
39 | 6102 for (i = 0; maxlen < 0 || i < maxlen; ++i) |
7 | 6103 { |
6104 /* End of "p": check if "q" also ends or just has a slash. */ | |
6105 if (p[i] == NUL) | |
6106 { | |
6107 if (q[i] == NUL) /* full match */ | |
6108 return 0; | |
6109 s = q; | |
6110 break; | |
6111 } | |
6112 | |
6113 /* End of "q": check if "p" just has a slash. */ | |
6114 if (q[i] == NUL) | |
6115 { | |
6116 s = p; | |
6117 break; | |
6118 } | |
6119 | |
6120 if ( | |
6121 #ifdef CASE_INSENSITIVE_FILENAME | |
6122 TOUPPER_LOC(p[i]) != TOUPPER_LOC(q[i]) | |
6123 #else | |
6124 p[i] != q[i] | |
6125 #endif | |
6126 #ifdef BACKSLASH_IN_FILENAME | |
6127 /* consider '/' and '\\' to be equal */ | |
6128 && !((p[i] == '/' && q[i] == '\\') | |
6129 || (p[i] == '\\' && q[i] == '/')) | |
6130 #endif | |
6131 ) | |
6132 { | |
6133 if (vim_ispathsep(p[i])) | |
6134 return -1; | |
6135 if (vim_ispathsep(q[i])) | |
6136 return 1; | |
6137 return ((char_u *)p)[i] - ((char_u *)q)[i]; /* no match */ | |
6138 } | |
6139 } | |
41 | 6140 if (s == NULL) /* "i" ran into "maxlen" */ |
6141 return 0; | |
7 | 6142 |
6143 /* ignore a trailing slash, but not "//" or ":/" */ | |
41 | 6144 if (s[i + 1] == NUL |
6145 && i > 0 | |
6146 && !after_pathsep((char_u *)s, (char_u *)s + i) | |
7 | 6147 #ifdef BACKSLASH_IN_FILENAME |
41 | 6148 && (s[i] == '/' || s[i] == '\\') |
7 | 6149 #else |
41 | 6150 && s[i] == '/' |
7 | 6151 #endif |
41 | 6152 ) |
7 | 6153 return 0; /* match with trailing slash */ |
6154 if (s == q) | |
6155 return -1; /* no match */ | |
6156 return 1; | |
6157 } | |
6158 #endif | |
6159 | |
6160 /* | |
6161 * The putenv() implementation below comes from the "screen" program. | |
6162 * Included with permission from Juergen Weigert. | |
6163 * See pty.c for the copyright notice. | |
6164 */ | |
6165 | |
6166 /* | |
6167 * putenv -- put value into environment | |
6168 * | |
6169 * Usage: i = putenv (string) | |
6170 * int i; | |
6171 * char *string; | |
6172 * | |
6173 * where string is of the form <name>=<value>. | |
6174 * Putenv returns 0 normally, -1 on error (not enough core for malloc). | |
6175 * | |
6176 * Putenv may need to add a new name into the environment, or to | |
6177 * associate a value longer than the current value with a particular | |
6178 * name. So, to make life simpler, putenv() copies your entire | |
6179 * environment into the heap (i.e. malloc()) from the stack | |
6180 * (i.e. where it resides when your process is initiated) the first | |
6181 * time you call it. | |
6182 * | |
6183 * (history removed, not very interesting. See the "screen" sources.) | |
6184 */ | |
6185 | |
6186 #if !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) | |
6187 | |
6188 #define EXTRASIZE 5 /* increment to add to env. size */ | |
6189 | |
6190 static int envsize = -1; /* current size of environment */ | |
6191 #ifndef MACOS_CLASSIC | |
6192 extern | |
6193 #endif | |
6194 char **environ; /* the global which is your env. */ | |
6195 | |
6196 static int findenv __ARGS((char *name)); /* look for a name in the env. */ | |
6197 static int newenv __ARGS((void)); /* copy env. from stack to heap */ | |
6198 static int moreenv __ARGS((void)); /* incr. size of env. */ | |
6199 | |
6200 int | |
6201 putenv(string) | |
6202 const char *string; | |
6203 { | |
6204 int i; | |
6205 char *p; | |
6206 | |
6207 if (envsize < 0) | |
6208 { /* first time putenv called */ | |
6209 if (newenv() < 0) /* copy env. to heap */ | |
6210 return -1; | |
6211 } | |
6212 | |
6213 i = findenv((char *)string); /* look for name in environment */ | |
6214 | |
6215 if (i < 0) | |
6216 { /* name must be added */ | |
6217 for (i = 0; environ[i]; i++); | |
6218 if (i >= (envsize - 1)) | |
6219 { /* need new slot */ | |
6220 if (moreenv() < 0) | |
6221 return -1; | |
6222 } | |
6223 p = (char *)alloc((unsigned)(strlen(string) + 1)); | |
6224 if (p == NULL) /* not enough core */ | |
6225 return -1; | |
6226 environ[i + 1] = 0; /* new end of env. */ | |
6227 } | |
6228 else | |
6229 { /* name already in env. */ | |
6230 p = vim_realloc(environ[i], strlen(string) + 1); | |
6231 if (p == NULL) | |
6232 return -1; | |
6233 } | |
6234 sprintf(p, "%s", string); /* copy into env. */ | |
6235 environ[i] = p; | |
6236 | |
6237 return 0; | |
6238 } | |
6239 | |
6240 static int | |
6241 findenv(name) | |
6242 char *name; | |
6243 { | |
6244 char *namechar, *envchar; | |
6245 int i, found; | |
6246 | |
6247 found = 0; | |
6248 for (i = 0; environ[i] && !found; i++) | |
6249 { | |
6250 envchar = environ[i]; | |
6251 namechar = name; | |
6252 while (*namechar && *namechar != '=' && (*namechar == *envchar)) | |
6253 { | |
6254 namechar++; | |
6255 envchar++; | |
6256 } | |
6257 found = ((*namechar == '\0' || *namechar == '=') && *envchar == '='); | |
6258 } | |
6259 return found ? i - 1 : -1; | |
6260 } | |
6261 | |
6262 static int | |
6263 newenv() | |
6264 { | |
6265 char **env, *elem; | |
6266 int i, esize; | |
6267 | |
6268 #ifdef MACOS | |
6269 /* for Mac a new, empty environment is created */ | |
6270 i = 0; | |
6271 #else | |
6272 for (i = 0; environ[i]; i++) | |
6273 ; | |
6274 #endif | |
6275 esize = i + EXTRASIZE + 1; | |
6276 env = (char **)alloc((unsigned)(esize * sizeof (elem))); | |
6277 if (env == NULL) | |
6278 return -1; | |
6279 | |
6280 #ifndef MACOS | |
6281 for (i = 0; environ[i]; i++) | |
6282 { | |
6283 elem = (char *)alloc((unsigned)(strlen(environ[i]) + 1)); | |
6284 if (elem == NULL) | |
6285 return -1; | |
6286 env[i] = elem; | |
6287 strcpy(elem, environ[i]); | |
6288 } | |
6289 #endif | |
6290 | |
6291 env[i] = 0; | |
6292 environ = env; | |
6293 envsize = esize; | |
6294 return 0; | |
6295 } | |
6296 | |
6297 static int | |
6298 moreenv() | |
6299 { | |
6300 int esize; | |
6301 char **env; | |
6302 | |
6303 esize = envsize + EXTRASIZE; | |
6304 env = (char **)vim_realloc((char *)environ, esize * sizeof (*env)); | |
6305 if (env == 0) | |
6306 return -1; | |
6307 environ = env; | |
6308 envsize = esize; | |
6309 return 0; | |
6310 } | |
6311 | |
6312 # ifdef USE_VIMPTY_GETENV | |
6313 char_u * | |
6314 vimpty_getenv(string) | |
6315 const char_u *string; | |
6316 { | |
6317 int i; | |
6318 char_u *p; | |
6319 | |
6320 if (envsize < 0) | |
6321 return NULL; | |
6322 | |
6323 i = findenv((char *)string); | |
6324 | |
6325 if (i < 0) | |
6326 return NULL; | |
6327 | |
6328 p = vim_strchr((char_u *)environ[i], '='); | |
6329 return (p + 1); | |
6330 } | |
6331 # endif | |
6332 | |
6333 #endif /* !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) */ | |
313 | 6334 |
741 | 6335 #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) |
313 | 6336 /* |
6337 * Return 0 for not writable, 1 for writable file, 2 for a dir which we have | |
6338 * rights to write into. | |
6339 */ | |
6340 int | |
6341 filewritable(fname) | |
6342 char_u *fname; | |
6343 { | |
6344 int retval = 0; | |
6345 #if defined(UNIX) || defined(VMS) | |
6346 int perm = 0; | |
6347 #endif | |
6348 | |
6349 #if defined(UNIX) || defined(VMS) | |
6350 perm = mch_getperm(fname); | |
6351 #endif | |
6352 #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */ | |
6353 if ( | |
6354 # ifdef WIN3264 | |
6355 mch_writable(fname) && | |
6356 # else | |
6357 # if defined(UNIX) || defined(VMS) | |
6358 (perm & 0222) && | |
6359 # endif | |
6360 # endif | |
6361 mch_access((char *)fname, W_OK) == 0 | |
6362 ) | |
6363 #endif | |
6364 { | |
6365 ++retval; | |
6366 if (mch_isdir(fname)) | |
6367 ++retval; | |
6368 } | |
6369 return retval; | |
6370 } | |
6371 #endif | |
332 | 6372 |
6373 /* | |
6374 * Print an error message with one or two "%s" and one or two string arguments. | |
6375 * This is not in message.c to avoid a warning for prototypes. | |
6376 */ | |
6377 int | |
6378 emsg3(s, a1, a2) | |
6379 char_u *s, *a1, *a2; | |
6380 { | |
840 | 6381 if (emsg_not_now()) |
332 | 6382 return TRUE; /* no error messages at the moment */ |
1438 | 6383 #ifdef HAVE_STDARG_H |
6384 vim_snprintf((char *)IObuff, IOSIZE, (char *)s, a1, a2); | |
6385 #else | |
840 | 6386 vim_snprintf((char *)IObuff, IOSIZE, (char *)s, (long_u)a1, (long_u)a2); |
1438 | 6387 #endif |
332 | 6388 return emsg(IObuff); |
6389 } | |
6390 | |
6391 /* | |
6392 * Print an error message with one "%ld" and one long int argument. | |
6393 * This is not in message.c to avoid a warning for prototypes. | |
6394 */ | |
6395 int | |
6396 emsgn(s, n) | |
6397 char_u *s; | |
6398 long n; | |
6399 { | |
840 | 6400 if (emsg_not_now()) |
332 | 6401 return TRUE; /* no error messages at the moment */ |
6402 vim_snprintf((char *)IObuff, IOSIZE, (char *)s, n); | |
6403 return emsg(IObuff); | |
6404 } | |
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6405 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6406 #if defined(FEAT_SPELL) || defined(FEAT_PERSISTENT_UNDO) || defined(PROTO) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6407 /* |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6408 * Read 2 bytes from "fd" and turn them into an int, MSB first. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6409 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6410 int |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6411 get2c(fd) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6412 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6413 { |
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
6414 int n; |
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6415 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6416 n = getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6417 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6418 return n; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6419 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6420 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6421 /* |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6422 * Read 3 bytes from "fd" and turn them into an int, MSB first. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6423 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6424 int |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6425 get3c(fd) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6426 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6427 { |
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
6428 int n; |
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6429 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6430 n = getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6431 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6432 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6433 return n; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6434 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6435 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6436 /* |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6437 * Read 4 bytes from "fd" and turn them into an int, MSB first. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6438 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6439 int |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6440 get4c(fd) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6441 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6442 { |
2231
aa6412cab544
Various improvements to undo file code to make it more robust.
Bram Moolenaar <bram@vim.org>
parents:
2229
diff
changeset
|
6443 int n; |
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6444 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6445 n = getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6446 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6447 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6448 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6449 return n; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6450 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6451 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6452 /* |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6453 * Read 8 bytes from "fd" and turn them into a time_t, MSB first. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6454 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6455 time_t |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6456 get8ctime(fd) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6457 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6458 { |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6459 time_t n = 0; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6460 int i; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6461 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6462 for (i = 0; i < 8; ++i) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6463 n = (n << 8) + getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6464 return n; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6465 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6466 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6467 /* |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6468 * Read a string of length "cnt" from "fd" into allocated memory. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6469 * Returns NULL when out of memory or unable to read that many bytes. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6470 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6471 char_u * |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6472 read_string(fd, cnt) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6473 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6474 int cnt; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6475 { |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6476 char_u *str; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6477 int i; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6478 int c; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6479 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6480 /* allocate memory */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6481 str = alloc((unsigned)cnt + 1); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6482 if (str != NULL) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6483 { |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6484 /* Read the string. Quit when running into the EOF. */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6485 for (i = 0; i < cnt; ++i) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6486 { |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6487 c = getc(fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6488 if (c == EOF) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6489 { |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6490 vim_free(str); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6491 return NULL; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6492 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6493 str[i] = c; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6494 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6495 str[i] = NUL; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6496 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6497 return str; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6498 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6499 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6500 /* |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6501 * Write a number to file "fd", MSB first, in "len" bytes. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6502 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6503 int |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6504 put_bytes(fd, nr, len) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6505 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6506 long_u nr; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6507 int len; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6508 { |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6509 int i; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6510 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6511 for (i = len - 1; i >= 0; --i) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6512 if (putc((int)(nr >> (i * 8)), fd) == EOF) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6513 return FAIL; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6514 return OK; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6515 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6516 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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2215
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|
6517 #ifdef _MSC_VER |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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6518 # if (_MSC_VER <= 1200) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6519 /* This line is required for VC6 without the service pack. Also see the |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6520 * matching #pragma below. */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6521 # pragma optimize("", off) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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6522 # endif |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6523 #endif |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6524 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6525 /* |
d45902a5c61c
Fix a few more things for persistent undo.
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6526 * Write time_t to file "fd" in 8 bytes. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6527 */ |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6528 void |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6529 put_time(fd, the_time) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6530 FILE *fd; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6531 time_t the_time; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6532 { |
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Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6533 int c; |
d45902a5c61c
Fix a few more things for persistent undo.
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|
6534 int i; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6535 time_t wtime = the_time; |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6536 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6537 /* time_t can be up to 8 bytes in size, more than long_u, thus we |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
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|
6538 * can't use put_bytes() here. |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6539 * Another problem is that ">>" may do an arithmetic shift that keeps the |
2232
2e6906bbc5f4
A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
parents:
2231
diff
changeset
|
6540 * sign. This happens for large values of wtime. A cast to long_u may |
2e6906bbc5f4
A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
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2231
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changeset
|
6541 * truncate if time_t is 8 bytes. So only use a cast when it is 4 bytes, |
2e6906bbc5f4
A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
parents:
2231
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|
6542 * it's safe to assume that long_u is 4 bytes or more and when using 8 |
2e6906bbc5f4
A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
parents:
2231
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|
6543 * bytes the top bit won't be set. */ |
2229
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Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6544 for (i = 7; i >= 0; --i) |
d45902a5c61c
Fix a few more things for persistent undo.
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|
6545 { |
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Fix a few more things for persistent undo.
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|
6546 if (i + 1 > (int)sizeof(time_t)) |
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Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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|
6547 /* ">>" doesn't work well when shifting more bits than avail */ |
d45902a5c61c
Fix a few more things for persistent undo.
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6548 putc(0, fd); |
d45902a5c61c
Fix a few more things for persistent undo.
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6549 else |
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Fix a few more things for persistent undo.
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6550 { |
2232
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A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
parents:
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|
6551 #if defined(SIZEOF_TIME_T) && SIZEOF_TIME_T > 4 |
2245
4e0124f5aee2
Optimize the blowfish crypt/decrypt code a bit more.
Bram Moolenaar <bram@vim.org>
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|
6552 c = (int)(wtime >> (i * 8)); |
2232
2e6906bbc5f4
A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
parents:
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|
6553 #else |
2245
4e0124f5aee2
Optimize the blowfish crypt/decrypt code a bit more.
Bram Moolenaar <bram@vim.org>
parents:
2244
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|
6554 c = (int)((long_u)wtime >> (i * 8)); |
2232
2e6906bbc5f4
A few more fixes for undo file. Split test in two parts so that it doesn't
Bram Moolenaar <bram@vim.org>
parents:
2231
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changeset
|
6555 #endif |
2229
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
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6556 putc(c, fd); |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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6557 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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6558 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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6559 } |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
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6560 |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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|
6561 #ifdef _MSC_VER |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
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changeset
|
6562 # if (_MSC_VER <= 1200) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
2215
diff
changeset
|
6563 # pragma optimize("", on) |
d45902a5c61c
Fix a few more things for persistent undo.
Bram Moolenaar <bram@vim.org>
parents:
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6564 # endif |
d45902a5c61c
Fix a few more things for persistent undo.
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6565 #endif |
d45902a5c61c
Fix a few more things for persistent undo.
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6566 |
d45902a5c61c
Fix a few more things for persistent undo.
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6567 #endif |
3257 | 6568 |
6569 #if (defined(FEAT_MBYTE) && defined(FEAT_QUICKFIX)) \ | |
6570 || defined(FEAT_SPELL) || defined(PROTO) | |
6571 /* | |
6572 * Return TRUE if string "s" contains a non-ASCII character (128 or higher). | |
6573 * When "s" is NULL FALSE is returned. | |
6574 */ | |
6575 int | |
6576 has_non_ascii(s) | |
6577 char_u *s; | |
6578 { | |
6579 char_u *p; | |
6580 | |
6581 if (s != NULL) | |
6582 for (p = s; *p != NUL; ++p) | |
6583 if (*p >= 128) | |
6584 return TRUE; | |
6585 return FALSE; | |
6586 } | |
6587 #endif |