xref: /vim-8.2.3635/src/mark.c (revision df1bdc92)
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  * mark.c: functions for setting marks and jumping to them
12  */
13 
14 #include "vim.h"
15 
16 /*
17  * This file contains routines to maintain and manipulate marks.
18  */
19 
20 /*
21  * If a named file mark's lnum is non-zero, it is valid.
22  * If a named file mark's fnum is non-zero, it is for an existing buffer,
23  * otherwise it is from .viminfo and namedfm[n].fname is the file name.
24  * There are marks 'A - 'Z (set by user) and '0 to '9 (set when writing
25  * viminfo).
26  */
27 #define EXTRA_MARKS 10					/* marks 0-9 */
28 static xfmark_T namedfm[NMARKS + EXTRA_MARKS];		/* marks with file nr */
29 
30 static void fname2fnum __ARGS((xfmark_T *fm));
31 static void fmarks_check_one __ARGS((xfmark_T *fm, char_u *name, buf_T *buf));
32 static char_u *mark_line __ARGS((pos_T *mp, int lead_len));
33 static void show_one_mark __ARGS((int, char_u *, pos_T *, char_u *, int current));
34 #ifdef FEAT_JUMPLIST
35 static void cleanup_jumplist __ARGS((void));
36 #endif
37 #ifdef FEAT_VIMINFO
38 static void write_one_filemark __ARGS((FILE *fp, xfmark_T *fm, int c1, int c2));
39 #endif
40 
41 /*
42  * Set named mark 'c' at current cursor position.
43  * Returns OK on success, FAIL if bad name given.
44  */
45     int
46 setmark(c)
47     int		c;
48 {
49     int		i;
50 
51     /* Check for a special key (may cause islower() to crash). */
52     if (c < 0)
53 	return FAIL;
54 
55     if (c == '\'' || c == '`')
56     {
57 	setpcmark();
58 	/* keep it even when the cursor doesn't move */
59 	curwin->w_prev_pcmark = curwin->w_pcmark;
60 	return OK;
61     }
62 
63     /* Allow setting '[ and '] for an autocommand that simulates reading a
64      * file. */
65     if (c == '[')
66     {
67 	curbuf->b_op_start = curwin->w_cursor;
68 	return OK;
69     }
70     if (c == ']')
71     {
72 	curbuf->b_op_end = curwin->w_cursor;
73 	return OK;
74     }
75 
76 #ifndef EBCDIC
77     if (c > 'z')	    /* some islower() and isupper() cannot handle
78 				characters above 127 */
79 	return FAIL;
80 #endif
81     if (islower(c))
82     {
83 	i = c - 'a';
84 	curbuf->b_namedm[i] = curwin->w_cursor;
85 	return OK;
86     }
87     if (isupper(c))
88     {
89 	i = c - 'A';
90 	namedfm[i].fmark.mark = curwin->w_cursor;
91 	namedfm[i].fmark.fnum = curbuf->b_fnum;
92 	vim_free(namedfm[i].fname);
93 	namedfm[i].fname = NULL;
94 	return OK;
95     }
96     return FAIL;
97 }
98 
99 /*
100  * Set the previous context mark to the current position and add it to the
101  * jump list.
102  */
103     void
104 setpcmark()
105 {
106 #ifdef FEAT_JUMPLIST
107     int		i;
108     xfmark_T	*fm;
109 #endif
110 #ifdef JUMPLIST_ROTATE
111     xfmark_T	tempmark;
112 #endif
113 
114     /* for :global the mark is set only once */
115     if (global_busy || listcmd_busy || cmdmod.keepjumps)
116 	return;
117 
118     curwin->w_prev_pcmark = curwin->w_pcmark;
119     curwin->w_pcmark = curwin->w_cursor;
120 
121 #ifdef FEAT_JUMPLIST
122 # ifdef JUMPLIST_ROTATE
123     /*
124      * If last used entry is not at the top, put it at the top by rotating
125      * the stack until it is (the newer entries will be at the bottom).
126      * Keep one entry (the last used one) at the top.
127      */
128     if (curwin->w_jumplistidx < curwin->w_jumplistlen)
129 	++curwin->w_jumplistidx;
130     while (curwin->w_jumplistidx < curwin->w_jumplistlen)
131     {
132 	tempmark = curwin->w_jumplist[curwin->w_jumplistlen - 1];
133 	for (i = curwin->w_jumplistlen - 1; i > 0; --i)
134 	    curwin->w_jumplist[i] = curwin->w_jumplist[i - 1];
135 	curwin->w_jumplist[0] = tempmark;
136 	++curwin->w_jumplistidx;
137     }
138 # endif
139 
140     /* If jumplist is full: remove oldest entry */
141     if (++curwin->w_jumplistlen > JUMPLISTSIZE)
142     {
143 	curwin->w_jumplistlen = JUMPLISTSIZE;
144 	vim_free(curwin->w_jumplist[0].fname);
145 	for (i = 1; i < JUMPLISTSIZE; ++i)
146 	    curwin->w_jumplist[i - 1] = curwin->w_jumplist[i];
147     }
148     curwin->w_jumplistidx = curwin->w_jumplistlen;
149     fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1];
150 
151     fm->fmark.mark = curwin->w_pcmark;
152     fm->fmark.fnum = curbuf->b_fnum;
153     fm->fname = NULL;
154 #endif
155 }
156 
157 /*
158  * To change context, call setpcmark(), then move the current position to
159  * where ever, then call checkpcmark().  This ensures that the previous
160  * context will only be changed if the cursor moved to a different line.
161  * If pcmark was deleted (with "dG") the previous mark is restored.
162  */
163     void
164 checkpcmark()
165 {
166     if (curwin->w_prev_pcmark.lnum != 0
167 	    && (equalpos(curwin->w_pcmark, curwin->w_cursor)
168 		|| curwin->w_pcmark.lnum == 0))
169     {
170 	curwin->w_pcmark = curwin->w_prev_pcmark;
171 	curwin->w_prev_pcmark.lnum = 0;		/* Show it has been checked */
172     }
173 }
174 
175 #if defined(FEAT_JUMPLIST) || defined(PROTO)
176 /*
177  * move "count" positions in the jump list (count may be negative)
178  */
179     pos_T *
180 movemark(count)
181     int count;
182 {
183     pos_T	*pos;
184     xfmark_T	*jmp;
185 
186     cleanup_jumplist();
187 
188     if (curwin->w_jumplistlen == 0)	    /* nothing to jump to */
189 	return (pos_T *)NULL;
190 
191     for (;;)
192     {
193 	if (curwin->w_jumplistidx + count < 0
194 		|| curwin->w_jumplistidx + count >= curwin->w_jumplistlen)
195 	    return (pos_T *)NULL;
196 
197 	/*
198 	 * if first CTRL-O or CTRL-I command after a jump, add cursor position
199 	 * to list.  Careful: If there are duplicates (CTRL-O immidiately after
200 	 * starting Vim on a file), another entry may have been removed.
201 	 */
202 	if (curwin->w_jumplistidx == curwin->w_jumplistlen)
203 	{
204 	    setpcmark();
205 	    --curwin->w_jumplistidx;	/* skip the new entry */
206 	    if (curwin->w_jumplistidx + count < 0)
207 		return (pos_T *)NULL;
208 	}
209 
210 	curwin->w_jumplistidx += count;
211 
212 	jmp = curwin->w_jumplist + curwin->w_jumplistidx;
213 	if (jmp->fmark.fnum == 0)
214 	    fname2fnum(jmp);
215 	if (jmp->fmark.fnum != curbuf->b_fnum)
216 	{
217 	    /* jump to other file */
218 	    if (buflist_findnr(jmp->fmark.fnum) == NULL)
219 	    {					     /* Skip this one .. */
220 		count += count < 0 ? -1 : 1;
221 		continue;
222 	    }
223 	    if (buflist_getfile(jmp->fmark.fnum, jmp->fmark.mark.lnum,
224 							    0, FALSE) == FAIL)
225 		return (pos_T *)NULL;
226 	    /* Set lnum again, autocommands my have changed it */
227 	    curwin->w_cursor = jmp->fmark.mark;
228 	    pos = (pos_T *)-1;
229 	}
230 	else
231 	    pos = &(jmp->fmark.mark);
232 	return pos;
233     }
234 }
235 
236 /*
237  * Move "count" positions in the changelist (count may be negative).
238  */
239     pos_T *
240 movechangelist(count)
241     int		count;
242 {
243     int		n;
244 
245     if (curbuf->b_changelistlen == 0)	    /* nothing to jump to */
246 	return (pos_T *)NULL;
247 
248     n = curwin->w_changelistidx;
249     if (n + count < 0)
250     {
251 	if (n == 0)
252 	    return (pos_T *)NULL;
253 	n = 0;
254     }
255     else if (n + count >= curbuf->b_changelistlen)
256     {
257 	if (n == curbuf->b_changelistlen - 1)
258 	    return (pos_T *)NULL;
259 	n = curbuf->b_changelistlen - 1;
260     }
261     else
262 	n += count;
263     curwin->w_changelistidx = n;
264     return curbuf->b_changelist + n;
265 }
266 #endif
267 
268 /*
269  * Find mark "c".
270  * Returns:
271  * - pointer to pos_T if found.  lnum is 0 when mark not set, -1 when mark is
272  *   in another file which can't be gotten. (caller needs to check lnum!)
273  * - NULL if there is no mark called 'c'.
274  * - -1 if mark is in other file and jumped there (only if changefile is TRUE)
275  */
276     pos_T *
277 getmark(c, changefile)
278     int		c;
279     int		changefile;		/* allowed to edit another file */
280 {
281     pos_T		*posp;
282 #ifdef FEAT_VISUAL
283     pos_T		*startp, *endp;
284 #endif
285     static pos_T	pos_copy;
286 
287     posp = NULL;
288 
289     /* Check for special key, can't be a mark name and might cause islower()
290      * to crash. */
291     if (c < 0)
292 	return posp;
293 #ifndef EBCDIC
294     if (c > '~')			/* check for islower()/isupper() */
295 	;
296     else
297 #endif
298 	if (c == '\'' || c == '`')	/* previous context mark */
299     {
300 	pos_copy = curwin->w_pcmark;	/* need to make a copy because */
301 	posp = &pos_copy;		/*   w_pcmark may be changed soon */
302     }
303     else if (c == '"')			/* to pos when leaving buffer */
304 	posp = &(curbuf->b_last_cursor);
305     else if (c == '^')			/* to where Insert mode stopped */
306 	posp = &(curbuf->b_last_insert);
307     else if (c == '.')			/* to where last change was made */
308 	posp = &(curbuf->b_last_change);
309     else if (c == '[')			/* to start of previous operator */
310 	posp = &(curbuf->b_op_start);
311     else if (c == ']')			/* to end of previous operator */
312 	posp = &(curbuf->b_op_end);
313     else if (c == '{' || c == '}')	/* to previous/next paragraph */
314     {
315 	pos_T	pos;
316 	oparg_T	oa;
317 	int	slcb = listcmd_busy;
318 
319 	pos = curwin->w_cursor;
320 	listcmd_busy = TRUE;	    /* avoid that '' is changed */
321 	if (findpar(&oa.inclusive,
322 			       c == '}' ? FORWARD : BACKWARD, 1L, NUL, FALSE))
323 	{
324 	    pos_copy = curwin->w_cursor;
325 	    posp = &pos_copy;
326 	}
327 	curwin->w_cursor = pos;
328 	listcmd_busy = slcb;
329     }
330     else if (c == '(' || c == ')')	/* to previous/next sentence */
331     {
332 	pos_T	pos;
333 	int	slcb = listcmd_busy;
334 
335 	pos = curwin->w_cursor;
336 	listcmd_busy = TRUE;	    /* avoid that '' is changed */
337 	if (findsent(c == ')' ? FORWARD : BACKWARD, 1L))
338 	{
339 	    pos_copy = curwin->w_cursor;
340 	    posp = &pos_copy;
341 	}
342 	curwin->w_cursor = pos;
343 	listcmd_busy = slcb;
344     }
345 #ifdef FEAT_VISUAL
346     else if (c == '<' || c == '>')	/* start/end of visual area */
347     {
348 	startp = &curbuf->b_visual_start;
349 	endp = &curbuf->b_visual_end;
350 	if ((c == '<') == lt(*startp, *endp))
351 	    posp = startp;
352 	else
353 	    posp = endp;
354 	/*
355 	 * For Visual line mode, set mark at begin or end of line
356 	 */
357 	if (curbuf->b_visual_mode == 'V')
358 	{
359 	    pos_copy = *posp;
360 	    posp = &pos_copy;
361 	    if (c == '<')
362 		pos_copy.col = 0;
363 	    else
364 		pos_copy.col = MAXCOL;
365 #ifdef FEAT_VIRTUALEDIT
366 	    pos_copy.coladd = 0;
367 #endif
368 	}
369     }
370 #endif
371     else if (ASCII_ISLOWER(c))		/* normal named mark */
372     {
373 	posp = &(curbuf->b_namedm[c - 'a']);
374     }
375     else if (ASCII_ISUPPER(c) || VIM_ISDIGIT(c))	/* named file mark */
376     {
377 	if (VIM_ISDIGIT(c))
378 	    c = c - '0' + NMARKS;
379 	else
380 	    c -= 'A';
381 	posp = &(namedfm[c].fmark.mark);
382 
383 	if (namedfm[c].fmark.fnum == 0)
384 	    fname2fnum(&namedfm[c]);
385 	if (namedfm[c].fmark.fnum != curbuf->b_fnum)
386 	{
387 	    posp = &pos_copy;
388 
389 	    /* mark is in another file */
390 	    if (namedfm[c].fmark.mark.lnum != 0
391 				       && changefile && namedfm[c].fmark.fnum)
392 	    {
393 		if (buflist_getfile(namedfm[c].fmark.fnum,
394 				      (linenr_T)1, GETF_SETMARK, FALSE) == OK)
395 		{
396 		    /* Set the lnum now, autocommands could have changed it */
397 		    curwin->w_cursor = namedfm[c].fmark.mark;
398 		    return (pos_T *)-1;
399 		}
400 		pos_copy.lnum = -1;	/* can't get file */
401 	    }
402 	    else
403 		pos_copy.lnum = 0;	/* mark exists, but is not valid in
404 					   current buffer */
405 	}
406     }
407 
408     return posp;
409 }
410 
411 /*
412  * Search for the next named mark in the current file.
413  *
414  * Returns pointer to pos_T of the next mark or NULL if no mark is found.
415  */
416     pos_T *
417 getnextmark(startpos, dir, begin_line)
418     pos_T	*startpos;	/* where to start */
419     int		dir;	/* direction for search */
420     int		begin_line;
421 {
422     int		i;
423     pos_T	*result = NULL;
424     pos_T	pos;
425 
426     pos = *startpos;
427 
428     /* When searching backward and leaving the cursor on the first non-blank,
429      * position must be in a previous line.
430      * When searching forward and leaving the cursor on the first non-blank,
431      * position must be in a next line. */
432     if (dir == BACKWARD && begin_line)
433 	pos.col = 0;
434     else if (dir == FORWARD && begin_line)
435 	pos.col = MAXCOL;
436 
437     for (i = 0; i < NMARKS; i++)
438     {
439 	if (curbuf->b_namedm[i].lnum > 0)
440 	{
441 	    if (dir == FORWARD)
442 	    {
443 		if ((result == NULL || lt(curbuf->b_namedm[i], *result))
444 			&& lt(pos, curbuf->b_namedm[i]))
445 		    result = &curbuf->b_namedm[i];
446 	    }
447 	    else
448 	    {
449 		if ((result == NULL || lt(*result, curbuf->b_namedm[i]))
450 			&& lt(curbuf->b_namedm[i], pos))
451 		    result = &curbuf->b_namedm[i];
452 	    }
453 	}
454     }
455 
456     return result;
457 }
458 
459 /*
460  * For an xtended filemark: set the fnum from the fname.
461  * This is used for marks obtained from the .viminfo file.  It's postponed
462  * until the mark is used to avoid a long startup delay.
463  */
464     static void
465 fname2fnum(fm)
466     xfmark_T	*fm;
467 {
468     char_u	*p;
469 
470     if (fm->fname != NULL)
471     {
472 	/*
473 	 * First expand "~/" in the file name to the home directory.
474 	 * Try to shorten the file name.
475 	 */
476 	expand_env(fm->fname, NameBuff, MAXPATHL);
477 	mch_dirname(IObuff, IOSIZE);
478 	p = shorten_fname(NameBuff, IObuff);
479 
480 	/* buflist_new() will call fmarks_check_names() */
481 	(void)buflist_new(NameBuff, p, (linenr_T)1, 0);
482     }
483 }
484 
485 /*
486  * Check all file marks for a name that matches the file name in buf.
487  * May replace the name with an fnum.
488  * Used for marks that come from the .viminfo file.
489  */
490     void
491 fmarks_check_names(buf)
492     buf_T	*buf;
493 {
494     char_u	*name;
495     int		i;
496 #ifdef FEAT_JUMPLIST
497     win_T	*wp;
498 #endif
499 
500     if (buf->b_ffname == NULL)
501 	return;
502 
503     name = home_replace_save(buf, buf->b_ffname);
504     if (name == NULL)
505 	return;
506 
507     for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
508 	fmarks_check_one(&namedfm[i], name, buf);
509 
510 #ifdef FEAT_JUMPLIST
511     FOR_ALL_WINDOWS(wp)
512     {
513 	for (i = 0; i < wp->w_jumplistlen; ++i)
514 	    fmarks_check_one(&wp->w_jumplist[i], name, buf);
515     }
516 #endif
517 
518     vim_free(name);
519 }
520 
521     static void
522 fmarks_check_one(fm, name, buf)
523     xfmark_T	*fm;
524     char_u	*name;
525     buf_T	*buf;
526 {
527     if (fm->fmark.fnum == 0
528 	    && fm->fname != NULL
529 	    && fnamecmp(name, fm->fname) == 0)
530     {
531 	fm->fmark.fnum = buf->b_fnum;
532 	vim_free(fm->fname);
533 	fm->fname = NULL;
534     }
535 }
536 
537 /*
538  * Check a if a position from a mark is valid.
539  * Give and error message and return FAIL if not.
540  */
541     int
542 check_mark(pos)
543     pos_T    *pos;
544 {
545     if (pos == NULL)
546     {
547 	EMSG(_(e_umark));
548 	return FAIL;
549     }
550     if (pos->lnum <= 0)
551     {
552 	/* lnum is negative if mark is in another file can can't get that
553 	 * file, error message already give then. */
554 	if (pos->lnum == 0)
555 	    EMSG(_(e_marknotset));
556 	return FAIL;
557     }
558     if (pos->lnum > curbuf->b_ml.ml_line_count)
559     {
560 	EMSG(_(e_markinval));
561 	return FAIL;
562     }
563     return OK;
564 }
565 
566 /*
567  * clrallmarks() - clear all marks in the buffer 'buf'
568  *
569  * Used mainly when trashing the entire buffer during ":e" type commands
570  */
571     void
572 clrallmarks(buf)
573     buf_T	*buf;
574 {
575     static int		i = -1;
576 
577     if (i == -1)	/* first call ever: initialize */
578 	for (i = 0; i < NMARKS + 1; i++)
579 	{
580 	    namedfm[i].fmark.mark.lnum = 0;
581 	    namedfm[i].fname = NULL;
582 	}
583 
584     for (i = 0; i < NMARKS; i++)
585 	buf->b_namedm[i].lnum = 0;
586     buf->b_op_start.lnum = 0;		/* start/end op mark cleared */
587     buf->b_op_end.lnum = 0;
588     buf->b_last_cursor.lnum = 1;	/* '" mark cleared */
589     buf->b_last_cursor.col = 0;
590 #ifdef FEAT_VIRTUALEDIT
591     buf->b_last_cursor.coladd = 0;
592 #endif
593     buf->b_last_insert.lnum = 0;	/* '^ mark cleared */
594     buf->b_last_change.lnum = 0;	/* '. mark cleared */
595 #ifdef FEAT_JUMPLIST
596     buf->b_changelistlen = 0;
597 #endif
598 }
599 
600 /*
601  * Get name of file from a filemark.
602  * When it's in the current buffer, return the text at the mark.
603  * Returns an allocated string.
604  */
605     char_u *
606 fm_getname(fmark, lead_len)
607     fmark_T	*fmark;
608     int		lead_len;
609 {
610     if (fmark->fnum == curbuf->b_fnum)		    /* current buffer */
611 	return mark_line(&(fmark->mark), lead_len);
612     return buflist_nr2name(fmark->fnum, FALSE, TRUE);
613 }
614 
615 /*
616  * Return the line at mark "mp".  Truncate to fit in window.
617  * The returned string has been allocated.
618  */
619     static char_u *
620 mark_line(mp, lead_len)
621     pos_T	*mp;
622     int		lead_len;
623 {
624     char_u	*s, *p;
625     int		len;
626 
627     if (mp->lnum == 0 || mp->lnum > curbuf->b_ml.ml_line_count)
628 	return vim_strsave((char_u *)"-invalid-");
629     s = vim_strnsave(skipwhite(ml_get(mp->lnum)), (int)Columns);
630     if (s == NULL)
631 	return NULL;
632     /* Truncate the line to fit it in the window */
633     len = 0;
634     for (p = s; *p != NUL; mb_ptr_adv(p))
635     {
636 	len += ptr2cells(p);
637 	if (len >= Columns - lead_len)
638 	    break;
639     }
640     *p = NUL;
641     return s;
642 }
643 
644 /*
645  * print the marks
646  */
647     void
648 do_marks(eap)
649     exarg_T	*eap;
650 {
651     char_u	*arg = eap->arg;
652     int		i;
653     char_u	*name;
654 
655     if (arg != NULL && *arg == NUL)
656 	arg = NULL;
657 
658     show_one_mark('\'', arg, &curwin->w_pcmark, NULL, TRUE);
659     for (i = 0; i < NMARKS; ++i)
660 	show_one_mark(i + 'a', arg, &curbuf->b_namedm[i], NULL, TRUE);
661     for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
662     {
663 	if (namedfm[i].fmark.fnum != 0)
664 	    name = fm_getname(&namedfm[i].fmark, 15);
665 	else
666 	    name = namedfm[i].fname;
667 	if (name != NULL)
668 	{
669 	    show_one_mark(i >= NMARKS ? i - NMARKS + '0' : i + 'A',
670 		    arg, &namedfm[i].fmark.mark, name,
671 		    namedfm[i].fmark.fnum == curbuf->b_fnum);
672 	    if (namedfm[i].fmark.fnum != 0)
673 		vim_free(name);
674 	}
675     }
676     show_one_mark('"', arg, &curbuf->b_last_cursor, NULL, TRUE);
677     show_one_mark('[', arg, &curbuf->b_op_start, NULL, TRUE);
678     show_one_mark(']', arg, &curbuf->b_op_end, NULL, TRUE);
679     show_one_mark('^', arg, &curbuf->b_last_insert, NULL, TRUE);
680     show_one_mark('.', arg, &curbuf->b_last_change, NULL, TRUE);
681 #ifdef FEAT_VISUAL
682     show_one_mark('<', arg, &curbuf->b_visual_start, NULL, TRUE);
683     show_one_mark('>', arg, &curbuf->b_visual_end, NULL, TRUE);
684 #endif
685     show_one_mark(-1, arg, NULL, NULL, FALSE);
686 }
687 
688     static void
689 show_one_mark(c, arg, p, name, current)
690     int		c;
691     char_u	*arg;
692     pos_T	*p;
693     char_u	*name;
694     int		current;	/* in current file */
695 {
696     static int	did_title = FALSE;
697     int		mustfree = FALSE;
698 
699     if (c == -1)			    /* finish up */
700     {
701 	if (did_title)
702 	    did_title = FALSE;
703 	else
704 	{
705 	    if (arg == NULL)
706 		MSG(_("No marks set"));
707 	    else
708 		EMSG2(_("E283: No marks matching \"%s\""), arg);
709 	}
710     }
711     /* don't output anything if 'q' typed at --more-- prompt */
712     else if (!got_int
713 	    && (arg == NULL || vim_strchr(arg, c) != NULL)
714 	    && p->lnum != 0)
715     {
716 	if (!did_title)
717 	{
718 	    /* Highlight title */
719 	    MSG_PUTS_TITLE(_("\nmark line  col file/text"));
720 	    did_title = TRUE;
721 	}
722 	msg_putchar('\n');
723 	if (!got_int)
724 	{
725 	    sprintf((char *)IObuff, " %c %6ld %4d ", c, p->lnum, p->col);
726 	    msg_outtrans(IObuff);
727 	    if (name == NULL && current)
728 	    {
729 		name = mark_line(p, 15);
730 		mustfree = TRUE;
731 	    }
732 	    if (name != NULL)
733 	    {
734 		msg_outtrans_attr(name, current ? hl_attr(HLF_D) : 0);
735 		if (mustfree)
736 		    vim_free(name);
737 	    }
738 	}
739 	out_flush();		    /* show one line at a time */
740     }
741 }
742 
743 /*
744  * ":delmarks[!] [marks]"
745  */
746     void
747 ex_delmarks(eap)
748     exarg_T *eap;
749 {
750     char_u	*p;
751     int		from, to;
752     int		i;
753     int		lower;
754     int		digit;
755     int		n;
756 
757     if (*eap->arg == NUL && eap->forceit)
758 	/* clear all marks */
759 	clrallmarks(curbuf);
760     else if (eap->forceit)
761 	EMSG(_(e_invarg));
762     else if (*eap->arg == NUL)
763 	EMSG(_(e_argreq));
764     else
765     {
766 	/* clear specified marks only */
767 	for (p = eap->arg; *p != NUL; ++p)
768 	{
769 	    lower = ASCII_ISLOWER(*p);
770 	    digit = VIM_ISDIGIT(*p);
771 	    if (lower || digit || ASCII_ISUPPER(*p))
772 	    {
773 		if (p[1] == '-')
774 		{
775 		    /* clear range of marks */
776 		    from = *p;
777 		    to = p[2];
778 		    if (!(lower ? ASCII_ISLOWER(p[2])
779 				: (digit ? VIM_ISDIGIT(p[2])
780 				    : ASCII_ISUPPER(p[2])))
781 			    || to < from)
782 		    {
783 			EMSG2(_(e_invarg2), p);
784 			return;
785 		    }
786 		    p += 2;
787 		}
788 		else
789 		    /* clear one lower case mark */
790 		    from = to = *p;
791 
792 		for (i = from; i <= to; ++i)
793 		{
794 		    if (lower)
795 			curbuf->b_namedm[i - 'a'].lnum = 0;
796 		    else
797 		    {
798 			if (digit)
799 			    n = i - '0' + NMARKS;
800 			else
801 			    n = i - 'A';
802 			namedfm[n].fmark.mark.lnum = 0;
803 			vim_free(namedfm[n].fname);
804 			namedfm[n].fname = NULL;
805 		    }
806 		}
807 	    }
808 	    else
809 		switch (*p)
810 		{
811 		    case '"': curbuf->b_last_cursor.lnum = 0; break;
812 		    case '^': curbuf->b_last_insert.lnum = 0; break;
813 		    case '.': curbuf->b_last_change.lnum = 0; break;
814 		    case '[': curbuf->b_op_start.lnum    = 0; break;
815 		    case ']': curbuf->b_op_end.lnum      = 0; break;
816 #ifdef FEAT_VISUAL
817 		    case '<': curbuf->b_visual_start.lnum = 0; break;
818 		    case '>': curbuf->b_visual_end.lnum   = 0; break;
819 #endif
820 		    case ' ': break;
821 		    default:  EMSG2(_(e_invarg2), p);
822 			      return;
823 		}
824 	}
825     }
826 }
827 
828 #if defined(FEAT_JUMPLIST) || defined(PROTO)
829 /*
830  * print the jumplist
831  */
832 /*ARGSUSED*/
833     void
834 ex_jumps(eap)
835     exarg_T	*eap;
836 {
837     int		i;
838     char_u	*name;
839 
840     cleanup_jumplist();
841     /* Highlight title */
842     MSG_PUTS_TITLE(_("\n jump line  col file/text"));
843     for (i = 0; i < curwin->w_jumplistlen && !got_int; ++i)
844     {
845 	if (curwin->w_jumplist[i].fmark.mark.lnum != 0)
846 	{
847 	    if (curwin->w_jumplist[i].fmark.fnum == 0)
848 		fname2fnum(&curwin->w_jumplist[i]);
849 	    name = fm_getname(&curwin->w_jumplist[i].fmark, 16);
850 	    if (name == NULL)	    /* file name not available */
851 		continue;
852 
853 	    msg_putchar('\n');
854 	    if (got_int)
855 		break;
856 	    sprintf((char *)IObuff, "%c %2d %5ld %4d ",
857 		i == curwin->w_jumplistidx ? '>' : ' ',
858 		i > curwin->w_jumplistidx ? i - curwin->w_jumplistidx
859 					  : curwin->w_jumplistidx - i,
860 		curwin->w_jumplist[i].fmark.mark.lnum,
861 		curwin->w_jumplist[i].fmark.mark.col);
862 	    msg_outtrans(IObuff);
863 	    msg_outtrans_attr(name,
864 			    curwin->w_jumplist[i].fmark.fnum == curbuf->b_fnum
865 							? hl_attr(HLF_D) : 0);
866 	    vim_free(name);
867 	    ui_breakcheck();
868 	}
869 	out_flush();
870     }
871     if (curwin->w_jumplistidx == curwin->w_jumplistlen)
872 	MSG_PUTS("\n>");
873 }
874 
875 /*
876  * print the changelist
877  */
878 /*ARGSUSED*/
879     void
880 ex_changes(eap)
881     exarg_T	*eap;
882 {
883     int		i;
884     char_u	*name;
885 
886     /* Highlight title */
887     MSG_PUTS_TITLE(_("\nchange line  col text"));
888 
889     for (i = 0; i < curbuf->b_changelistlen && !got_int; ++i)
890     {
891 	if (curbuf->b_changelist[i].lnum != 0)
892 	{
893 	    msg_putchar('\n');
894 	    if (got_int)
895 		break;
896 	    sprintf((char *)IObuff, "%c %3d %5ld %4d ",
897 		    i == curwin->w_changelistidx ? '>' : ' ',
898 		    i > curwin->w_changelistidx ? i - curwin->w_changelistidx
899 						: curwin->w_changelistidx - i,
900 		    (long)curbuf->b_changelist[i].lnum,
901 		    curbuf->b_changelist[i].col);
902 	    msg_outtrans(IObuff);
903 	    name = mark_line(&curbuf->b_changelist[i], 17);
904 	    if (name == NULL)
905 		break;
906 	    msg_outtrans_attr(name, hl_attr(HLF_D));
907 	    vim_free(name);
908 	    ui_breakcheck();
909 	}
910 	out_flush();
911     }
912     if (curwin->w_changelistidx == curbuf->b_changelistlen)
913 	MSG_PUTS("\n>");
914 }
915 #endif
916 
917 #define one_adjust(add) \
918     { \
919 	lp = add; \
920 	if (*lp >= line1 && *lp <= line2) \
921 	{ \
922 	    if (amount == MAXLNUM) \
923 		*lp = 0; \
924 	    else \
925 		*lp += amount; \
926 	} \
927 	else if (amount_after && *lp > line2) \
928 	    *lp += amount_after; \
929     }
930 
931 /* don't delete the line, just put at first deleted line */
932 #define one_adjust_nodel(add) \
933     { \
934 	lp = add; \
935 	if (*lp >= line1 && *lp <= line2) \
936 	{ \
937 	    if (amount == MAXLNUM) \
938 		*lp = line1; \
939 	    else \
940 		*lp += amount; \
941 	} \
942 	else if (amount_after && *lp > line2) \
943 	    *lp += amount_after; \
944     }
945 
946 /*
947  * Adjust marks between line1 and line2 (inclusive) to move 'amount' lines.
948  * Must be called before changed_*(), appended_lines() or deleted_lines().
949  * May be called before or after changing the text.
950  * When deleting lines line1 to line2, use an 'amount' of MAXLNUM: The marks
951  * within this range are made invalid.
952  * If 'amount_after' is non-zero adjust marks after line2.
953  * Example: Delete lines 34 and 35: mark_adjust(34, 35, MAXLNUM, -2);
954  * Example: Insert two lines below 55: mark_adjust(56, MAXLNUM, 2, 0);
955  *				   or: mark_adjust(56, 55, MAXLNUM, 2);
956  */
957     void
958 mark_adjust(line1, line2, amount, amount_after)
959     linenr_T	line1;
960     linenr_T	line2;
961     long	amount;
962     long	amount_after;
963 {
964     int		i;
965     int		fnum = curbuf->b_fnum;
966     linenr_T	*lp;
967     win_T	*win;
968 
969     if (line2 < line1 && amount_after == 0L)	    /* nothing to do */
970 	return;
971 
972     if (!cmdmod.lockmarks)
973     {
974 	/* named marks, lower case and upper case */
975 	for (i = 0; i < NMARKS; i++)
976 	{
977 	    one_adjust(&(curbuf->b_namedm[i].lnum));
978 	    if (namedfm[i].fmark.fnum == fnum)
979 		one_adjust_nodel(&(namedfm[i].fmark.mark.lnum));
980 	}
981 	for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++)
982 	{
983 	    if (namedfm[i].fmark.fnum == fnum)
984 		one_adjust_nodel(&(namedfm[i].fmark.mark.lnum));
985 	}
986 
987 	/* last Insert position */
988 	one_adjust(&(curbuf->b_last_insert.lnum));
989 
990 	/* last change position */
991 	one_adjust(&(curbuf->b_last_change.lnum));
992 
993 #ifdef FEAT_JUMPLIST
994 	/* list of change positions */
995 	for (i = 0; i < curbuf->b_changelistlen; ++i)
996 	    one_adjust_nodel(&(curbuf->b_changelist[i].lnum));
997 #endif
998 
999 #ifdef FEAT_VISUAL
1000 	/* Visual area */
1001 	one_adjust_nodel(&(curbuf->b_visual_start.lnum));
1002 	one_adjust_nodel(&(curbuf->b_visual_end.lnum));
1003 #endif
1004 
1005 #ifdef FEAT_QUICKFIX
1006 	/* quickfix marks */
1007 	qf_mark_adjust(NULL, line1, line2, amount, amount_after);
1008 	/* location lists */
1009 	FOR_ALL_WINDOWS(win)
1010 	    qf_mark_adjust(win, line1, line2, amount, amount_after);
1011 #endif
1012 
1013 #ifdef FEAT_SIGNS
1014 	sign_mark_adjust(line1, line2, amount, amount_after);
1015 #endif
1016     }
1017 
1018     /* previous context mark */
1019     one_adjust(&(curwin->w_pcmark.lnum));
1020 
1021     /* previous pcmark */
1022     one_adjust(&(curwin->w_prev_pcmark.lnum));
1023 
1024     /* saved cursor for formatting */
1025     if (saved_cursor.lnum != 0)
1026 	one_adjust_nodel(&(saved_cursor.lnum));
1027 
1028     /*
1029      * Adjust items in all windows related to the current buffer.
1030      */
1031     FOR_ALL_WINDOWS(win)
1032     {
1033 #ifdef FEAT_JUMPLIST
1034 	if (!cmdmod.lockmarks)
1035 	    /* Marks in the jumplist.  When deleting lines, this may create
1036 	     * duplicate marks in the jumplist, they will be removed later. */
1037 	    for (i = 0; i < win->w_jumplistlen; ++i)
1038 		if (win->w_jumplist[i].fmark.fnum == fnum)
1039 		    one_adjust_nodel(&(win->w_jumplist[i].fmark.mark.lnum));
1040 #endif
1041 
1042 	if (win->w_buffer == curbuf)
1043 	{
1044 	    if (!cmdmod.lockmarks)
1045 		/* marks in the tag stack */
1046 		for (i = 0; i < win->w_tagstacklen; i++)
1047 		    if (win->w_tagstack[i].fmark.fnum == fnum)
1048 			one_adjust_nodel(&(win->w_tagstack[i].fmark.mark.lnum));
1049 
1050 #ifdef FEAT_VISUAL
1051 	    /* the displayed Visual area */
1052 	    if (win->w_old_cursor_lnum != 0)
1053 	    {
1054 		one_adjust_nodel(&(win->w_old_cursor_lnum));
1055 		one_adjust_nodel(&(win->w_old_visual_lnum));
1056 	    }
1057 #endif
1058 
1059 	    /* topline and cursor position for windows with the same buffer
1060 	     * other than the current window */
1061 	    if (win != curwin)
1062 	    {
1063 		if (win->w_topline >= line1 && win->w_topline <= line2)
1064 		{
1065 		    if (amount == MAXLNUM)	    /* topline is deleted */
1066 		    {
1067 			if (line1 <= 1)
1068 			    win->w_topline = 1;
1069 			else
1070 			    win->w_topline = line1 - 1;
1071 		    }
1072 		    else		/* keep topline on the same line */
1073 			win->w_topline += amount;
1074 #ifdef FEAT_DIFF
1075 		    win->w_topfill = 0;
1076 #endif
1077 		}
1078 		else if (amount_after && win->w_topline > line2)
1079 		{
1080 		    win->w_topline += amount_after;
1081 #ifdef FEAT_DIFF
1082 		    win->w_topfill = 0;
1083 #endif
1084 		}
1085 		if (win->w_cursor.lnum >= line1 && win->w_cursor.lnum <= line2)
1086 		{
1087 		    if (amount == MAXLNUM) /* line with cursor is deleted */
1088 		    {
1089 			if (line1 <= 1)
1090 			    win->w_cursor.lnum = 1;
1091 			else
1092 			    win->w_cursor.lnum = line1 - 1;
1093 			win->w_cursor.col = 0;
1094 		    }
1095 		    else		/* keep cursor on the same line */
1096 			win->w_cursor.lnum += amount;
1097 		}
1098 		else if (amount_after && win->w_cursor.lnum > line2)
1099 		    win->w_cursor.lnum += amount_after;
1100 	    }
1101 
1102 #ifdef FEAT_FOLDING
1103 	    /* adjust folds */
1104 	    foldMarkAdjust(win, line1, line2, amount, amount_after);
1105 #endif
1106 	}
1107     }
1108 
1109 #ifdef FEAT_DIFF
1110     /* adjust diffs */
1111     diff_mark_adjust(line1, line2, amount, amount_after);
1112 #endif
1113 }
1114 
1115 /* This code is used often, needs to be fast. */
1116 #define col_adjust(pp) \
1117     { \
1118 	posp = pp; \
1119 	if (posp->lnum == lnum && posp->col >= mincol) \
1120 	{ \
1121 	    posp->lnum += lnum_amount; \
1122 	    if (col_amount < 0 && posp->col <= (colnr_T)-col_amount) \
1123 		posp->col = 0; \
1124 	    else \
1125 		posp->col += col_amount; \
1126 	} \
1127     }
1128 
1129 /*
1130  * Adjust marks in line "lnum" at column "mincol" and further: add
1131  * "lnum_amount" to the line number and add "col_amount" to the column
1132  * position.
1133  */
1134     void
1135 mark_col_adjust(lnum, mincol, lnum_amount, col_amount)
1136     linenr_T	lnum;
1137     colnr_T	mincol;
1138     long	lnum_amount;
1139     long	col_amount;
1140 {
1141     int		i;
1142     int		fnum = curbuf->b_fnum;
1143     win_T	*win;
1144     pos_T	*posp;
1145 
1146     if ((col_amount == 0L && lnum_amount == 0L) || cmdmod.lockmarks)
1147 	return; /* nothing to do */
1148 
1149     /* named marks, lower case and upper case */
1150     for (i = 0; i < NMARKS; i++)
1151     {
1152 	col_adjust(&(curbuf->b_namedm[i]));
1153 	if (namedfm[i].fmark.fnum == fnum)
1154 	    col_adjust(&(namedfm[i].fmark.mark));
1155     }
1156     for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++)
1157     {
1158 	if (namedfm[i].fmark.fnum == fnum)
1159 	    col_adjust(&(namedfm[i].fmark.mark));
1160     }
1161 
1162     /* last Insert position */
1163     col_adjust(&(curbuf->b_last_insert));
1164 
1165     /* last change position */
1166     col_adjust(&(curbuf->b_last_change));
1167 
1168 #ifdef FEAT_JUMPLIST
1169     /* list of change positions */
1170     for (i = 0; i < curbuf->b_changelistlen; ++i)
1171 	col_adjust(&(curbuf->b_changelist[i]));
1172 #endif
1173 
1174 #ifdef FEAT_VISUAL
1175     /* Visual area */
1176     col_adjust(&(curbuf->b_visual_start));
1177     col_adjust(&(curbuf->b_visual_end));
1178 #endif
1179 
1180     /* previous context mark */
1181     col_adjust(&(curwin->w_pcmark));
1182 
1183     /* previous pcmark */
1184     col_adjust(&(curwin->w_prev_pcmark));
1185 
1186     /* saved cursor for formatting */
1187     col_adjust(&saved_cursor);
1188 
1189     /*
1190      * Adjust items in all windows related to the current buffer.
1191      */
1192     FOR_ALL_WINDOWS(win)
1193     {
1194 #ifdef FEAT_JUMPLIST
1195 	/* marks in the jumplist */
1196 	for (i = 0; i < win->w_jumplistlen; ++i)
1197 	    if (win->w_jumplist[i].fmark.fnum == fnum)
1198 		col_adjust(&(win->w_jumplist[i].fmark.mark));
1199 #endif
1200 
1201 	if (win->w_buffer == curbuf)
1202 	{
1203 	    /* marks in the tag stack */
1204 	    for (i = 0; i < win->w_tagstacklen; i++)
1205 		if (win->w_tagstack[i].fmark.fnum == fnum)
1206 		    col_adjust(&(win->w_tagstack[i].fmark.mark));
1207 
1208 	    /* cursor position for other windows with the same buffer */
1209 	    if (win != curwin)
1210 		col_adjust(&win->w_cursor);
1211 	}
1212     }
1213 }
1214 
1215 #ifdef FEAT_JUMPLIST
1216 /*
1217  * When deleting lines, this may create duplicate marks in the
1218  * jumplist. They will be removed here for the current window.
1219  */
1220     static void
1221 cleanup_jumplist()
1222 {
1223     int	    i;
1224     int	    from, to;
1225 
1226     to = 0;
1227     for (from = 0; from < curwin->w_jumplistlen; ++from)
1228     {
1229 	if (curwin->w_jumplistidx == from)
1230 	    curwin->w_jumplistidx = to;
1231 	for (i = from + 1; i < curwin->w_jumplistlen; ++i)
1232 	    if (curwin->w_jumplist[i].fmark.fnum
1233 					== curwin->w_jumplist[from].fmark.fnum
1234 		    && curwin->w_jumplist[from].fmark.fnum != 0
1235 		    && curwin->w_jumplist[i].fmark.mark.lnum
1236 				  == curwin->w_jumplist[from].fmark.mark.lnum)
1237 		break;
1238 	if (i >= curwin->w_jumplistlen)	    /* no duplicate */
1239 	    curwin->w_jumplist[to++] = curwin->w_jumplist[from];
1240 	else
1241 	    vim_free(curwin->w_jumplist[from].fname);
1242     }
1243     if (curwin->w_jumplistidx == curwin->w_jumplistlen)
1244 	curwin->w_jumplistidx = to;
1245     curwin->w_jumplistlen = to;
1246 }
1247 
1248 # if defined(FEAT_WINDOWS) || defined(PROTO)
1249 /*
1250  * Copy the jumplist from window "from" to window "to".
1251  */
1252     void
1253 copy_jumplist(from, to)
1254     win_T	*from;
1255     win_T	*to;
1256 {
1257     int		i;
1258 
1259     for (i = 0; i < from->w_jumplistlen; ++i)
1260     {
1261 	to->w_jumplist[i] = from->w_jumplist[i];
1262 	if (from->w_jumplist[i].fname != NULL)
1263 	    to->w_jumplist[i].fname = vim_strsave(from->w_jumplist[i].fname);
1264     }
1265     to->w_jumplistlen = from->w_jumplistlen;
1266     to->w_jumplistidx = from->w_jumplistidx;
1267 }
1268 
1269 /*
1270  * Free items in the jumplist of window "wp".
1271  */
1272     void
1273 free_jumplist(wp)
1274     win_T	*wp;
1275 {
1276     int		i;
1277 
1278     for (i = 0; i < wp->w_jumplistlen; ++i)
1279 	vim_free(wp->w_jumplist[i].fname);
1280 }
1281 # endif
1282 #endif /* FEAT_JUMPLIST */
1283 
1284     void
1285 set_last_cursor(win)
1286     win_T	*win;
1287 {
1288     win->w_buffer->b_last_cursor = win->w_cursor;
1289 }
1290 
1291 #if defined(EXITFREE) || defined(PROTO)
1292     void
1293 free_all_marks()
1294 {
1295     int		i;
1296 
1297     for (i = 0; i < NMARKS + EXTRA_MARKS; i++)
1298 	if (namedfm[i].fmark.mark.lnum != 0)
1299 	    vim_free(namedfm[i].fname);
1300 }
1301 #endif
1302 
1303 #if defined(FEAT_VIMINFO) || defined(PROTO)
1304     int
1305 read_viminfo_filemark(virp, force)
1306     vir_T	*virp;
1307     int		force;
1308 {
1309     char_u	*str;
1310     xfmark_T	*fm;
1311     int		i;
1312 
1313     /* We only get here if line[0] == '\'' or '-'.
1314      * Illegal mark names are ignored (for future expansion). */
1315     str = virp->vir_line + 1;
1316     if (
1317 #ifndef EBCDIC
1318 	    *str <= 127 &&
1319 #endif
1320 	    ((*virp->vir_line == '\'' && (VIM_ISDIGIT(*str) || isupper(*str)))
1321 	     || (*virp->vir_line == '-' && *str == '\'')))
1322     {
1323 	if (*str == '\'')
1324 	{
1325 #ifdef FEAT_JUMPLIST
1326 	    /* If the jumplist isn't full insert fmark as oldest entry */
1327 	    if (curwin->w_jumplistlen == JUMPLISTSIZE)
1328 		fm = NULL;
1329 	    else
1330 	    {
1331 		for (i = curwin->w_jumplistlen; i > 0; --i)
1332 		    curwin->w_jumplist[i] = curwin->w_jumplist[i - 1];
1333 		++curwin->w_jumplistidx;
1334 		++curwin->w_jumplistlen;
1335 		fm = &curwin->w_jumplist[0];
1336 		fm->fmark.mark.lnum = 0;
1337 		fm->fname = NULL;
1338 	    }
1339 #else
1340 	    fm = NULL;
1341 #endif
1342 	}
1343 	else if (VIM_ISDIGIT(*str))
1344 	    fm = &namedfm[*str - '0' + NMARKS];
1345 	else
1346 	    fm = &namedfm[*str - 'A'];
1347 	if (fm != NULL && (fm->fmark.mark.lnum == 0 || force))
1348 	{
1349 	    str = skipwhite(str + 1);
1350 	    fm->fmark.mark.lnum = getdigits(&str);
1351 	    str = skipwhite(str);
1352 	    fm->fmark.mark.col = getdigits(&str);
1353 #ifdef FEAT_VIRTUALEDIT
1354 	    fm->fmark.mark.coladd = 0;
1355 #endif
1356 	    fm->fmark.fnum = 0;
1357 	    str = skipwhite(str);
1358 	    vim_free(fm->fname);
1359 	    fm->fname = viminfo_readstring(virp, (int)(str - virp->vir_line),
1360 								       FALSE);
1361 	}
1362     }
1363     return vim_fgets(virp->vir_line, LSIZE, virp->vir_fd);
1364 }
1365 
1366     void
1367 write_viminfo_filemarks(fp)
1368     FILE	*fp;
1369 {
1370     int		i;
1371     char_u	*name;
1372     buf_T	*buf;
1373     xfmark_T	*fm;
1374 
1375     if (get_viminfo_parameter('f') == 0)
1376 	return;
1377 
1378     fprintf(fp, _("\n# File marks:\n"));
1379 
1380     /*
1381      * Find a mark that is the same file and position as the cursor.
1382      * That one, or else the last one is deleted.
1383      * Move '0 to '1, '1 to '2, etc. until the matching one or '9
1384      * Set '0 mark to current cursor position.
1385      */
1386     if (curbuf->b_ffname != NULL && !removable(curbuf->b_ffname))
1387     {
1388 	name = buflist_nr2name(curbuf->b_fnum, TRUE, FALSE);
1389 	for (i = NMARKS; i < NMARKS + EXTRA_MARKS - 1; ++i)
1390 	    if (namedfm[i].fmark.mark.lnum == curwin->w_cursor.lnum
1391 		    && (namedfm[i].fname == NULL
1392 			    ? namedfm[i].fmark.fnum == curbuf->b_fnum
1393 			    : (name != NULL
1394 				    && STRCMP(name, namedfm[i].fname) == 0)))
1395 		break;
1396 	vim_free(name);
1397 
1398 	vim_free(namedfm[i].fname);
1399 	for ( ; i > NMARKS; --i)
1400 	    namedfm[i] = namedfm[i - 1];
1401 	namedfm[NMARKS].fmark.mark = curwin->w_cursor;
1402 	namedfm[NMARKS].fmark.fnum = curbuf->b_fnum;
1403 	namedfm[NMARKS].fname = NULL;
1404     }
1405 
1406     /* Write the filemarks '0 - '9 and 'A - 'Z */
1407     for (i = 0; i < NMARKS + EXTRA_MARKS; i++)
1408 	write_one_filemark(fp, &namedfm[i], '\'',
1409 				     i < NMARKS ? i + 'A' : i - NMARKS + '0');
1410 
1411 #ifdef FEAT_JUMPLIST
1412     /* Write the jumplist with -' */
1413     fprintf(fp, _("\n# Jumplist (newest first):\n"));
1414     setpcmark();	/* add current cursor position */
1415     cleanup_jumplist();
1416     for (fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1];
1417 					   fm >= &curwin->w_jumplist[0]; --fm)
1418     {
1419 	if (fm->fmark.fnum == 0
1420 		|| ((buf = buflist_findnr(fm->fmark.fnum)) != NULL
1421 		    && !removable(buf->b_ffname)))
1422 	    write_one_filemark(fp, fm, '-', '\'');
1423     }
1424 #endif
1425 }
1426 
1427     static void
1428 write_one_filemark(fp, fm, c1, c2)
1429     FILE	*fp;
1430     xfmark_T	*fm;
1431     int		c1;
1432     int		c2;
1433 {
1434     char_u	*name;
1435 
1436     if (fm->fmark.mark.lnum == 0)	/* not set */
1437 	return;
1438 
1439     if (fm->fmark.fnum != 0)		/* there is a buffer */
1440 	name = buflist_nr2name(fm->fmark.fnum, TRUE, FALSE);
1441     else
1442 	name = fm->fname;		/* use name from .viminfo */
1443     if (name != NULL && *name != NUL)
1444     {
1445 	fprintf(fp, "%c%c  %ld  %ld  ", c1, c2, (long)fm->fmark.mark.lnum,
1446 						    (long)fm->fmark.mark.col);
1447 	viminfo_writestring(fp, name);
1448     }
1449 
1450     if (fm->fmark.fnum != 0)
1451 	vim_free(name);
1452 }
1453 
1454 /*
1455  * Return TRUE if "name" is on removable media (depending on 'viminfo').
1456  */
1457     int
1458 removable(name)
1459     char_u  *name;
1460 {
1461     char_u  *p;
1462     char_u  part[51];
1463     int	    retval = FALSE;
1464     size_t  n;
1465 
1466     name = home_replace_save(NULL, name);
1467     if (name != NULL)
1468     {
1469 	for (p = p_viminfo; *p; )
1470 	{
1471 	    copy_option_part(&p, part, 51, ", ");
1472 	    if (part[0] == 'r')
1473 	    {
1474 		n = STRLEN(part + 1);
1475 		if (MB_STRNICMP(part + 1, name, n) == 0)
1476 		{
1477 		    retval = TRUE;
1478 		    break;
1479 		}
1480 	    }
1481 	}
1482 	vim_free(name);
1483     }
1484     return retval;
1485 }
1486 
1487 static void write_one_mark __ARGS((FILE *fp_out, int c, pos_T *pos));
1488 
1489 /*
1490  * Write all the named marks for all buffers.
1491  * Return the number of buffers for which marks have been written.
1492  */
1493     int
1494 write_viminfo_marks(fp_out)
1495     FILE	*fp_out;
1496 {
1497     int		count;
1498     buf_T	*buf;
1499     int		is_mark_set;
1500     int		i;
1501 #ifdef FEAT_WINDOWS
1502     win_T	*win;
1503     tabpage_T	*tp;
1504 
1505     /*
1506      * Set b_last_cursor for the all buffers that have a window.
1507      */
1508     FOR_ALL_TAB_WINDOWS(tp, win)
1509 	set_last_cursor(win);
1510 #else
1511 	set_last_cursor(curwin);
1512 #endif
1513 
1514     fprintf(fp_out, _("\n# History of marks within files (newest to oldest):\n"));
1515     count = 0;
1516     for (buf = firstbuf; buf != NULL; buf = buf->b_next)
1517     {
1518 	/*
1519 	 * Only write something if buffer has been loaded and at least one
1520 	 * mark is set.
1521 	 */
1522 	if (buf->b_marks_read)
1523 	{
1524 	    if (buf->b_last_cursor.lnum != 0)
1525 		is_mark_set = TRUE;
1526 	    else
1527 	    {
1528 		is_mark_set = FALSE;
1529 		for (i = 0; i < NMARKS; i++)
1530 		    if (buf->b_namedm[i].lnum != 0)
1531 		    {
1532 			is_mark_set = TRUE;
1533 			break;
1534 		    }
1535 	    }
1536 	    if (is_mark_set && buf->b_ffname != NULL
1537 		      && buf->b_ffname[0] != NUL && !removable(buf->b_ffname))
1538 	    {
1539 		home_replace(NULL, buf->b_ffname, IObuff, IOSIZE, TRUE);
1540 		fprintf(fp_out, "\n> ");
1541 		viminfo_writestring(fp_out, IObuff);
1542 		write_one_mark(fp_out, '"', &buf->b_last_cursor);
1543 		write_one_mark(fp_out, '^', &buf->b_last_insert);
1544 		write_one_mark(fp_out, '.', &buf->b_last_change);
1545 #ifdef FEAT_JUMPLIST
1546 		/* changelist positions are stored oldest first */
1547 		for (i = 0; i < buf->b_changelistlen; ++i)
1548 		    write_one_mark(fp_out, '+', &buf->b_changelist[i]);
1549 #endif
1550 		for (i = 0; i < NMARKS; i++)
1551 		    write_one_mark(fp_out, 'a' + i, &buf->b_namedm[i]);
1552 		count++;
1553 	    }
1554 	}
1555     }
1556 
1557     return count;
1558 }
1559 
1560     static void
1561 write_one_mark(fp_out, c, pos)
1562     FILE	*fp_out;
1563     int		c;
1564     pos_T	*pos;
1565 {
1566     if (pos->lnum != 0)
1567 	fprintf(fp_out, "\t%c\t%ld\t%d\n", c, (long)pos->lnum, (int)pos->col);
1568 }
1569 
1570 /*
1571  * Handle marks in the viminfo file:
1572  * fp_out == NULL   read marks for current buffer only
1573  * fp_out != NULL   copy marks for buffers not in buffer list
1574  */
1575     void
1576 copy_viminfo_marks(virp, fp_out, count, eof)
1577     vir_T	*virp;
1578     FILE	*fp_out;
1579     int		count;
1580     int		eof;
1581 {
1582     char_u	*line = virp->vir_line;
1583     buf_T	*buf;
1584     int		num_marked_files;
1585     int		load_marks;
1586     int		copy_marks_out;
1587     char_u	*str;
1588     int		i;
1589     char_u	*p;
1590     char_u	*name_buf;
1591     pos_T	pos;
1592 
1593     if ((name_buf = alloc(LSIZE)) == NULL)
1594 	return;
1595     *name_buf = NUL;
1596     num_marked_files = get_viminfo_parameter('\'');
1597     while (!eof && (count < num_marked_files || fp_out == NULL))
1598     {
1599 	if (line[0] != '>')
1600 	{
1601 	    if (line[0] != '\n' && line[0] != '\r' && line[0] != '#')
1602 	    {
1603 		if (viminfo_error("E576: ", _("Missing '>'"), line))
1604 		    break;	/* too many errors, return now */
1605 	    }
1606 	    eof = vim_fgets(line, LSIZE, virp->vir_fd);
1607 	    continue;		/* Skip this dud line */
1608 	}
1609 
1610 	/*
1611 	 * Handle long line and translate escaped characters.
1612 	 * Find file name, set str to start.
1613 	 * Ignore leading and trailing white space.
1614 	 */
1615 	str = skipwhite(line + 1);
1616 	str = viminfo_readstring(virp, (int)(str - virp->vir_line), FALSE);
1617 	if (str == NULL)
1618 	    continue;
1619 	p = str + STRLEN(str);
1620 	while (p != str && (*p == NUL || vim_isspace(*p)))
1621 	    p--;
1622 	if (*p)
1623 	    p++;
1624 	*p = NUL;
1625 
1626 	/*
1627 	 * If fp_out == NULL, load marks for current buffer.
1628 	 * If fp_out != NULL, copy marks for buffers not in buflist.
1629 	 */
1630 	load_marks = copy_marks_out = FALSE;
1631 	if (fp_out == NULL)
1632 	{
1633 	    if (curbuf->b_ffname != NULL)
1634 	    {
1635 		if (*name_buf == NUL)	    /* only need to do this once */
1636 		    home_replace(NULL, curbuf->b_ffname, name_buf, LSIZE, TRUE);
1637 		if (fnamecmp(str, name_buf) == 0)
1638 		    load_marks = TRUE;
1639 	    }
1640 	}
1641 	else /* fp_out != NULL */
1642 	{
1643 	    /* This is slow if there are many buffers!! */
1644 	    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
1645 		if (buf->b_ffname != NULL)
1646 		{
1647 		    home_replace(NULL, buf->b_ffname, name_buf, LSIZE, TRUE);
1648 		    if (fnamecmp(str, name_buf) == 0)
1649 			break;
1650 		}
1651 
1652 	    /*
1653 	     * copy marks if the buffer has not been loaded
1654 	     */
1655 	    if (buf == NULL || !buf->b_marks_read)
1656 	    {
1657 		copy_marks_out = TRUE;
1658 		fputs("\n> ", fp_out);
1659 		viminfo_writestring(fp_out, str);
1660 		count++;
1661 	    }
1662 	}
1663 	vim_free(str);
1664 
1665 #ifdef FEAT_VIRTUALEDIT
1666 	pos.coladd = 0;
1667 #endif
1668 	while (!(eof = viminfo_readline(virp)) && line[0] == TAB)
1669 	{
1670 	    if (load_marks)
1671 	    {
1672 		if (line[1] != NUL)
1673 		{
1674 		    sscanf((char *)line + 2, "%ld %u", &pos.lnum, &pos.col);
1675 		    switch (line[1])
1676 		    {
1677 			case '"': curbuf->b_last_cursor = pos; break;
1678 			case '^': curbuf->b_last_insert = pos; break;
1679 			case '.': curbuf->b_last_change = pos; break;
1680 			case '+':
1681 #ifdef FEAT_JUMPLIST
1682 				  /* changelist positions are stored oldest
1683 				   * first */
1684 				  if (curbuf->b_changelistlen == JUMPLISTSIZE)
1685 				      /* list is full, remove oldest entry */
1686 				      mch_memmove(curbuf->b_changelist,
1687 					    curbuf->b_changelist + 1,
1688 					    sizeof(pos_T) * (JUMPLISTSIZE - 1));
1689 				  else
1690 				      ++curbuf->b_changelistlen;
1691 				  curbuf->b_changelist[
1692 					   curbuf->b_changelistlen - 1] = pos;
1693 #endif
1694 				  break;
1695 			default:  if ((i = line[1] - 'a') >= 0 && i < NMARKS)
1696 				      curbuf->b_namedm[i] = pos;
1697 		    }
1698 		}
1699 	    }
1700 	    else if (copy_marks_out)
1701 		fputs((char *)line, fp_out);
1702 	}
1703 	if (load_marks)
1704 	{
1705 #ifdef FEAT_JUMPLIST
1706 	    win_T	*wp;
1707 
1708 	    FOR_ALL_WINDOWS(wp)
1709 	    {
1710 		if (wp->w_buffer == curbuf)
1711 		    wp->w_changelistidx = curbuf->b_changelistlen;
1712 	    }
1713 #endif
1714 	    break;
1715 	}
1716     }
1717     vim_free(name_buf);
1718 }
1719 #endif /* FEAT_VIMINFO */
1720