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 */
28static xfmark_T namedfm[NMARKS + EXTRA_MARKS];		/* marks with file nr */
29
30static void fname2fnum __ARGS((xfmark_T *fm));
31static void fmarks_check_one __ARGS((xfmark_T *fm, char_u *name, buf_T *buf));
32static char_u *mark_line __ARGS((pos_T *mp, int lead_len));
33static void show_one_mark __ARGS((int, char_u *, pos_T *, char_u *, int current));
34#ifdef FEAT_JUMPLIST
35static void cleanup_jumplist __ARGS((void));
36#endif
37#ifdef FEAT_VIMINFO
38static 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
46setmark(c)
47    int		c;
48{
49    return setmark_pos(c, &curwin->w_cursor, curbuf->b_fnum);
50}
51
52/*
53 * Set named mark "c" to position "pos".
54 * When "c" is upper case use file "fnum".
55 * Returns OK on success, FAIL if bad name given.
56 */
57    int
58setmark_pos(c, pos, fnum)
59    int		c;
60    pos_T	*pos;
61    int		fnum;
62{
63    int		i;
64
65    /* Check for a special key (may cause islower() to crash). */
66    if (c < 0)
67	return FAIL;
68
69    if (c == '\'' || c == '`')
70    {
71	if (pos == &curwin->w_cursor)
72	{
73	    setpcmark();
74	    /* keep it even when the cursor doesn't move */
75	    curwin->w_prev_pcmark = curwin->w_pcmark;
76	}
77	else
78	    curwin->w_pcmark = *pos;
79	return OK;
80    }
81
82    if (c == '"')
83    {
84	curbuf->b_last_cursor = *pos;
85	return OK;
86    }
87
88    /* Allow setting '[ and '] for an autocommand that simulates reading a
89     * file. */
90    if (c == '[')
91    {
92	curbuf->b_op_start = *pos;
93	return OK;
94    }
95    if (c == ']')
96    {
97	curbuf->b_op_end = *pos;
98	return OK;
99    }
100
101#ifndef EBCDIC
102    if (c > 'z')	    /* some islower() and isupper() cannot handle
103				characters above 127 */
104	return FAIL;
105#endif
106    if (islower(c))
107    {
108	i = c - 'a';
109	curbuf->b_namedm[i] = *pos;
110	return OK;
111    }
112    if (isupper(c))
113    {
114	i = c - 'A';
115	namedfm[i].fmark.mark = *pos;
116	namedfm[i].fmark.fnum = fnum;
117	vim_free(namedfm[i].fname);
118	namedfm[i].fname = NULL;
119	return OK;
120    }
121    return FAIL;
122}
123
124/*
125 * Set the previous context mark to the current position and add it to the
126 * jump list.
127 */
128    void
129setpcmark()
130{
131#ifdef FEAT_JUMPLIST
132    int		i;
133    xfmark_T	*fm;
134#endif
135#ifdef JUMPLIST_ROTATE
136    xfmark_T	tempmark;
137#endif
138
139    /* for :global the mark is set only once */
140    if (global_busy || listcmd_busy || cmdmod.keepjumps)
141	return;
142
143    curwin->w_prev_pcmark = curwin->w_pcmark;
144    curwin->w_pcmark = curwin->w_cursor;
145
146#ifdef FEAT_JUMPLIST
147# ifdef JUMPLIST_ROTATE
148    /*
149     * If last used entry is not at the top, put it at the top by rotating
150     * the stack until it is (the newer entries will be at the bottom).
151     * Keep one entry (the last used one) at the top.
152     */
153    if (curwin->w_jumplistidx < curwin->w_jumplistlen)
154	++curwin->w_jumplistidx;
155    while (curwin->w_jumplistidx < curwin->w_jumplistlen)
156    {
157	tempmark = curwin->w_jumplist[curwin->w_jumplistlen - 1];
158	for (i = curwin->w_jumplistlen - 1; i > 0; --i)
159	    curwin->w_jumplist[i] = curwin->w_jumplist[i - 1];
160	curwin->w_jumplist[0] = tempmark;
161	++curwin->w_jumplistidx;
162    }
163# endif
164
165    /* If jumplist is full: remove oldest entry */
166    if (++curwin->w_jumplistlen > JUMPLISTSIZE)
167    {
168	curwin->w_jumplistlen = JUMPLISTSIZE;
169	vim_free(curwin->w_jumplist[0].fname);
170	for (i = 1; i < JUMPLISTSIZE; ++i)
171	    curwin->w_jumplist[i - 1] = curwin->w_jumplist[i];
172    }
173    curwin->w_jumplistidx = curwin->w_jumplistlen;
174    fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1];
175
176    fm->fmark.mark = curwin->w_pcmark;
177    fm->fmark.fnum = curbuf->b_fnum;
178    fm->fname = NULL;
179#endif
180}
181
182/*
183 * To change context, call setpcmark(), then move the current position to
184 * where ever, then call checkpcmark().  This ensures that the previous
185 * context will only be changed if the cursor moved to a different line.
186 * If pcmark was deleted (with "dG") the previous mark is restored.
187 */
188    void
189checkpcmark()
190{
191    if (curwin->w_prev_pcmark.lnum != 0
192	    && (equalpos(curwin->w_pcmark, curwin->w_cursor)
193		|| curwin->w_pcmark.lnum == 0))
194    {
195	curwin->w_pcmark = curwin->w_prev_pcmark;
196	curwin->w_prev_pcmark.lnum = 0;		/* Show it has been checked */
197    }
198}
199
200#if defined(FEAT_JUMPLIST) || defined(PROTO)
201/*
202 * move "count" positions in the jump list (count may be negative)
203 */
204    pos_T *
205movemark(count)
206    int count;
207{
208    pos_T	*pos;
209    xfmark_T	*jmp;
210
211    cleanup_jumplist();
212
213    if (curwin->w_jumplistlen == 0)	    /* nothing to jump to */
214	return (pos_T *)NULL;
215
216    for (;;)
217    {
218	if (curwin->w_jumplistidx + count < 0
219		|| curwin->w_jumplistidx + count >= curwin->w_jumplistlen)
220	    return (pos_T *)NULL;
221
222	/*
223	 * if first CTRL-O or CTRL-I command after a jump, add cursor position
224	 * to list.  Careful: If there are duplicates (CTRL-O immediately after
225	 * starting Vim on a file), another entry may have been removed.
226	 */
227	if (curwin->w_jumplistidx == curwin->w_jumplistlen)
228	{
229	    setpcmark();
230	    --curwin->w_jumplistidx;	/* skip the new entry */
231	    if (curwin->w_jumplistidx + count < 0)
232		return (pos_T *)NULL;
233	}
234
235	curwin->w_jumplistidx += count;
236
237	jmp = curwin->w_jumplist + curwin->w_jumplistidx;
238	if (jmp->fmark.fnum == 0)
239	    fname2fnum(jmp);
240	if (jmp->fmark.fnum != curbuf->b_fnum)
241	{
242	    /* jump to other file */
243	    if (buflist_findnr(jmp->fmark.fnum) == NULL)
244	    {					     /* Skip this one .. */
245		count += count < 0 ? -1 : 1;
246		continue;
247	    }
248	    if (buflist_getfile(jmp->fmark.fnum, jmp->fmark.mark.lnum,
249							    0, FALSE) == FAIL)
250		return (pos_T *)NULL;
251	    /* Set lnum again, autocommands my have changed it */
252	    curwin->w_cursor = jmp->fmark.mark;
253	    pos = (pos_T *)-1;
254	}
255	else
256	    pos = &(jmp->fmark.mark);
257	return pos;
258    }
259}
260
261/*
262 * Move "count" positions in the changelist (count may be negative).
263 */
264    pos_T *
265movechangelist(count)
266    int		count;
267{
268    int		n;
269
270    if (curbuf->b_changelistlen == 0)	    /* nothing to jump to */
271	return (pos_T *)NULL;
272
273    n = curwin->w_changelistidx;
274    if (n + count < 0)
275    {
276	if (n == 0)
277	    return (pos_T *)NULL;
278	n = 0;
279    }
280    else if (n + count >= curbuf->b_changelistlen)
281    {
282	if (n == curbuf->b_changelistlen - 1)
283	    return (pos_T *)NULL;
284	n = curbuf->b_changelistlen - 1;
285    }
286    else
287	n += count;
288    curwin->w_changelistidx = n;
289    return curbuf->b_changelist + n;
290}
291#endif
292
293/*
294 * Find mark "c".
295 * If "changefile" is TRUE it's allowed to edit another file for '0, 'A, etc.
296 * If "fnum" is not NULL store the fnum there for '0, 'A etc., don't edit
297 * another file.
298 * Returns:
299 * - pointer to pos_T if found.  lnum is 0 when mark not set, -1 when mark is
300 *   in another file which can't be gotten. (caller needs to check lnum!)
301 * - NULL if there is no mark called 'c'.
302 * - -1 if mark is in other file and jumped there (only if changefile is TRUE)
303 */
304    pos_T *
305getmark(c, changefile)
306    int		c;
307    int		changefile;
308{
309    return getmark_fnum(c, changefile, NULL);
310}
311
312    pos_T *
313getmark_fnum(c, changefile, fnum)
314    int		c;
315    int		changefile;
316    int		*fnum;
317{
318    pos_T		*posp;
319#ifdef FEAT_VISUAL
320    pos_T		*startp, *endp;
321#endif
322    static pos_T	pos_copy;
323
324    posp = NULL;
325
326    /* Check for special key, can't be a mark name and might cause islower()
327     * to crash. */
328    if (c < 0)
329	return posp;
330#ifndef EBCDIC
331    if (c > '~')			/* check for islower()/isupper() */
332	;
333    else
334#endif
335	if (c == '\'' || c == '`')	/* previous context mark */
336    {
337	pos_copy = curwin->w_pcmark;	/* need to make a copy because */
338	posp = &pos_copy;		/*   w_pcmark may be changed soon */
339    }
340    else if (c == '"')			/* to pos when leaving buffer */
341	posp = &(curbuf->b_last_cursor);
342    else if (c == '^')			/* to where Insert mode stopped */
343	posp = &(curbuf->b_last_insert);
344    else if (c == '.')			/* to where last change was made */
345	posp = &(curbuf->b_last_change);
346    else if (c == '[')			/* to start of previous operator */
347	posp = &(curbuf->b_op_start);
348    else if (c == ']')			/* to end of previous operator */
349	posp = &(curbuf->b_op_end);
350    else if (c == '{' || c == '}')	/* to previous/next paragraph */
351    {
352	pos_T	pos;
353	oparg_T	oa;
354	int	slcb = listcmd_busy;
355
356	pos = curwin->w_cursor;
357	listcmd_busy = TRUE;	    /* avoid that '' is changed */
358	if (findpar(&oa.inclusive,
359			       c == '}' ? FORWARD : BACKWARD, 1L, NUL, FALSE))
360	{
361	    pos_copy = curwin->w_cursor;
362	    posp = &pos_copy;
363	}
364	curwin->w_cursor = pos;
365	listcmd_busy = slcb;
366    }
367    else if (c == '(' || c == ')')	/* to previous/next sentence */
368    {
369	pos_T	pos;
370	int	slcb = listcmd_busy;
371
372	pos = curwin->w_cursor;
373	listcmd_busy = TRUE;	    /* avoid that '' is changed */
374	if (findsent(c == ')' ? FORWARD : BACKWARD, 1L))
375	{
376	    pos_copy = curwin->w_cursor;
377	    posp = &pos_copy;
378	}
379	curwin->w_cursor = pos;
380	listcmd_busy = slcb;
381    }
382#ifdef FEAT_VISUAL
383    else if (c == '<' || c == '>')	/* start/end of visual area */
384    {
385	startp = &curbuf->b_visual.vi_start;
386	endp = &curbuf->b_visual.vi_end;
387	if ((c == '<') == lt(*startp, *endp))
388	    posp = startp;
389	else
390	    posp = endp;
391	/*
392	 * For Visual line mode, set mark at begin or end of line
393	 */
394	if (curbuf->b_visual.vi_mode == 'V')
395	{
396	    pos_copy = *posp;
397	    posp = &pos_copy;
398	    if (c == '<')
399		pos_copy.col = 0;
400	    else
401		pos_copy.col = MAXCOL;
402#ifdef FEAT_VIRTUALEDIT
403	    pos_copy.coladd = 0;
404#endif
405	}
406    }
407#endif
408    else if (ASCII_ISLOWER(c))		/* normal named mark */
409    {
410	posp = &(curbuf->b_namedm[c - 'a']);
411    }
412    else if (ASCII_ISUPPER(c) || VIM_ISDIGIT(c))	/* named file mark */
413    {
414	if (VIM_ISDIGIT(c))
415	    c = c - '0' + NMARKS;
416	else
417	    c -= 'A';
418	posp = &(namedfm[c].fmark.mark);
419
420	if (namedfm[c].fmark.fnum == 0)
421	    fname2fnum(&namedfm[c]);
422
423	if (fnum != NULL)
424	    *fnum = namedfm[c].fmark.fnum;
425	else if (namedfm[c].fmark.fnum != curbuf->b_fnum)
426	{
427	    /* mark is in another file */
428	    posp = &pos_copy;
429
430	    if (namedfm[c].fmark.mark.lnum != 0
431				       && changefile && namedfm[c].fmark.fnum)
432	    {
433		if (buflist_getfile(namedfm[c].fmark.fnum,
434				      (linenr_T)1, GETF_SETMARK, FALSE) == OK)
435		{
436		    /* Set the lnum now, autocommands could have changed it */
437		    curwin->w_cursor = namedfm[c].fmark.mark;
438		    return (pos_T *)-1;
439		}
440		pos_copy.lnum = -1;	/* can't get file */
441	    }
442	    else
443		pos_copy.lnum = 0;	/* mark exists, but is not valid in
444					   current buffer */
445	}
446    }
447
448    return posp;
449}
450
451/*
452 * Search for the next named mark in the current file.
453 *
454 * Returns pointer to pos_T of the next mark or NULL if no mark is found.
455 */
456    pos_T *
457getnextmark(startpos, dir, begin_line)
458    pos_T	*startpos;	/* where to start */
459    int		dir;	/* direction for search */
460    int		begin_line;
461{
462    int		i;
463    pos_T	*result = NULL;
464    pos_T	pos;
465
466    pos = *startpos;
467
468    /* When searching backward and leaving the cursor on the first non-blank,
469     * position must be in a previous line.
470     * When searching forward and leaving the cursor on the first non-blank,
471     * position must be in a next line. */
472    if (dir == BACKWARD && begin_line)
473	pos.col = 0;
474    else if (dir == FORWARD && begin_line)
475	pos.col = MAXCOL;
476
477    for (i = 0; i < NMARKS; i++)
478    {
479	if (curbuf->b_namedm[i].lnum > 0)
480	{
481	    if (dir == FORWARD)
482	    {
483		if ((result == NULL || lt(curbuf->b_namedm[i], *result))
484			&& lt(pos, curbuf->b_namedm[i]))
485		    result = &curbuf->b_namedm[i];
486	    }
487	    else
488	    {
489		if ((result == NULL || lt(*result, curbuf->b_namedm[i]))
490			&& lt(curbuf->b_namedm[i], pos))
491		    result = &curbuf->b_namedm[i];
492	    }
493	}
494    }
495
496    return result;
497}
498
499/*
500 * For an xtended filemark: set the fnum from the fname.
501 * This is used for marks obtained from the .viminfo file.  It's postponed
502 * until the mark is used to avoid a long startup delay.
503 */
504    static void
505fname2fnum(fm)
506    xfmark_T	*fm;
507{
508    char_u	*p;
509
510    if (fm->fname != NULL)
511    {
512	/*
513	 * First expand "~/" in the file name to the home directory.
514	 * Don't expand the whole name, it may contain other '~' chars.
515	 */
516	if (fm->fname[0] == '~' && (fm->fname[1] == '/'
517#ifdef BACKSLASH_IN_FILENAME
518		    || fm->fname[1] == '\\'
519#endif
520		    ))
521	{
522	    int len;
523
524	    expand_env((char_u *)"~/", NameBuff, MAXPATHL);
525	    len = (int)STRLEN(NameBuff);
526	    vim_strncpy(NameBuff + len, fm->fname + 2, MAXPATHL - len - 1);
527	}
528	else
529	    vim_strncpy(NameBuff, fm->fname, MAXPATHL - 1);
530
531	/* Try to shorten the file name. */
532	mch_dirname(IObuff, IOSIZE);
533	p = shorten_fname(NameBuff, IObuff);
534
535	/* buflist_new() will call fmarks_check_names() */
536	(void)buflist_new(NameBuff, p, (linenr_T)1, 0);
537    }
538}
539
540/*
541 * Check all file marks for a name that matches the file name in buf.
542 * May replace the name with an fnum.
543 * Used for marks that come from the .viminfo file.
544 */
545    void
546fmarks_check_names(buf)
547    buf_T	*buf;
548{
549    char_u	*name;
550    int		i;
551#ifdef FEAT_JUMPLIST
552    win_T	*wp;
553#endif
554
555    if (buf->b_ffname == NULL)
556	return;
557
558    name = home_replace_save(buf, buf->b_ffname);
559    if (name == NULL)
560	return;
561
562    for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
563	fmarks_check_one(&namedfm[i], name, buf);
564
565#ifdef FEAT_JUMPLIST
566    FOR_ALL_WINDOWS(wp)
567    {
568	for (i = 0; i < wp->w_jumplistlen; ++i)
569	    fmarks_check_one(&wp->w_jumplist[i], name, buf);
570    }
571#endif
572
573    vim_free(name);
574}
575
576    static void
577fmarks_check_one(fm, name, buf)
578    xfmark_T	*fm;
579    char_u	*name;
580    buf_T	*buf;
581{
582    if (fm->fmark.fnum == 0
583	    && fm->fname != NULL
584	    && fnamecmp(name, fm->fname) == 0)
585    {
586	fm->fmark.fnum = buf->b_fnum;
587	vim_free(fm->fname);
588	fm->fname = NULL;
589    }
590}
591
592/*
593 * Check a if a position from a mark is valid.
594 * Give and error message and return FAIL if not.
595 */
596    int
597check_mark(pos)
598    pos_T    *pos;
599{
600    if (pos == NULL)
601    {
602	EMSG(_(e_umark));
603	return FAIL;
604    }
605    if (pos->lnum <= 0)
606    {
607	/* lnum is negative if mark is in another file can can't get that
608	 * file, error message already give then. */
609	if (pos->lnum == 0)
610	    EMSG(_(e_marknotset));
611	return FAIL;
612    }
613    if (pos->lnum > curbuf->b_ml.ml_line_count)
614    {
615	EMSG(_(e_markinval));
616	return FAIL;
617    }
618    return OK;
619}
620
621/*
622 * clrallmarks() - clear all marks in the buffer 'buf'
623 *
624 * Used mainly when trashing the entire buffer during ":e" type commands
625 */
626    void
627clrallmarks(buf)
628    buf_T	*buf;
629{
630    static int		i = -1;
631
632    if (i == -1)	/* first call ever: initialize */
633	for (i = 0; i < NMARKS + 1; i++)
634	{
635	    namedfm[i].fmark.mark.lnum = 0;
636	    namedfm[i].fname = NULL;
637	}
638
639    for (i = 0; i < NMARKS; i++)
640	buf->b_namedm[i].lnum = 0;
641    buf->b_op_start.lnum = 0;		/* start/end op mark cleared */
642    buf->b_op_end.lnum = 0;
643    buf->b_last_cursor.lnum = 1;	/* '" mark cleared */
644    buf->b_last_cursor.col = 0;
645#ifdef FEAT_VIRTUALEDIT
646    buf->b_last_cursor.coladd = 0;
647#endif
648    buf->b_last_insert.lnum = 0;	/* '^ mark cleared */
649    buf->b_last_change.lnum = 0;	/* '. mark cleared */
650#ifdef FEAT_JUMPLIST
651    buf->b_changelistlen = 0;
652#endif
653}
654
655/*
656 * Get name of file from a filemark.
657 * When it's in the current buffer, return the text at the mark.
658 * Returns an allocated string.
659 */
660    char_u *
661fm_getname(fmark, lead_len)
662    fmark_T	*fmark;
663    int		lead_len;
664{
665    if (fmark->fnum == curbuf->b_fnum)		    /* current buffer */
666	return mark_line(&(fmark->mark), lead_len);
667    return buflist_nr2name(fmark->fnum, FALSE, TRUE);
668}
669
670/*
671 * Return the line at mark "mp".  Truncate to fit in window.
672 * The returned string has been allocated.
673 */
674    static char_u *
675mark_line(mp, lead_len)
676    pos_T	*mp;
677    int		lead_len;
678{
679    char_u	*s, *p;
680    int		len;
681
682    if (mp->lnum == 0 || mp->lnum > curbuf->b_ml.ml_line_count)
683	return vim_strsave((char_u *)"-invalid-");
684    s = vim_strnsave(skipwhite(ml_get(mp->lnum)), (int)Columns);
685    if (s == NULL)
686	return NULL;
687    /* Truncate the line to fit it in the window */
688    len = 0;
689    for (p = s; *p != NUL; mb_ptr_adv(p))
690    {
691	len += ptr2cells(p);
692	if (len >= Columns - lead_len)
693	    break;
694    }
695    *p = NUL;
696    return s;
697}
698
699/*
700 * print the marks
701 */
702    void
703do_marks(eap)
704    exarg_T	*eap;
705{
706    char_u	*arg = eap->arg;
707    int		i;
708    char_u	*name;
709
710    if (arg != NULL && *arg == NUL)
711	arg = NULL;
712
713    show_one_mark('\'', arg, &curwin->w_pcmark, NULL, TRUE);
714    for (i = 0; i < NMARKS; ++i)
715	show_one_mark(i + 'a', arg, &curbuf->b_namedm[i], NULL, TRUE);
716    for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
717    {
718	if (namedfm[i].fmark.fnum != 0)
719	    name = fm_getname(&namedfm[i].fmark, 15);
720	else
721	    name = namedfm[i].fname;
722	if (name != NULL)
723	{
724	    show_one_mark(i >= NMARKS ? i - NMARKS + '0' : i + 'A',
725		    arg, &namedfm[i].fmark.mark, name,
726		    namedfm[i].fmark.fnum == curbuf->b_fnum);
727	    if (namedfm[i].fmark.fnum != 0)
728		vim_free(name);
729	}
730    }
731    show_one_mark('"', arg, &curbuf->b_last_cursor, NULL, TRUE);
732    show_one_mark('[', arg, &curbuf->b_op_start, NULL, TRUE);
733    show_one_mark(']', arg, &curbuf->b_op_end, NULL, TRUE);
734    show_one_mark('^', arg, &curbuf->b_last_insert, NULL, TRUE);
735    show_one_mark('.', arg, &curbuf->b_last_change, NULL, TRUE);
736#ifdef FEAT_VISUAL
737    show_one_mark('<', arg, &curbuf->b_visual.vi_start, NULL, TRUE);
738    show_one_mark('>', arg, &curbuf->b_visual.vi_end, NULL, TRUE);
739#endif
740    show_one_mark(-1, arg, NULL, NULL, FALSE);
741}
742
743    static void
744show_one_mark(c, arg, p, name, current)
745    int		c;
746    char_u	*arg;
747    pos_T	*p;
748    char_u	*name;
749    int		current;	/* in current file */
750{
751    static int	did_title = FALSE;
752    int		mustfree = FALSE;
753
754    if (c == -1)			    /* finish up */
755    {
756	if (did_title)
757	    did_title = FALSE;
758	else
759	{
760	    if (arg == NULL)
761		MSG(_("No marks set"));
762	    else
763		EMSG2(_("E283: No marks matching \"%s\""), arg);
764	}
765    }
766    /* don't output anything if 'q' typed at --more-- prompt */
767    else if (!got_int
768	    && (arg == NULL || vim_strchr(arg, c) != NULL)
769	    && p->lnum != 0)
770    {
771	if (!did_title)
772	{
773	    /* Highlight title */
774	    MSG_PUTS_TITLE(_("\nmark line  col file/text"));
775	    did_title = TRUE;
776	}
777	msg_putchar('\n');
778	if (!got_int)
779	{
780	    sprintf((char *)IObuff, " %c %6ld %4d ", c, p->lnum, p->col);
781	    msg_outtrans(IObuff);
782	    if (name == NULL && current)
783	    {
784		name = mark_line(p, 15);
785		mustfree = TRUE;
786	    }
787	    if (name != NULL)
788	    {
789		msg_outtrans_attr(name, current ? hl_attr(HLF_D) : 0);
790		if (mustfree)
791		    vim_free(name);
792	    }
793	}
794	out_flush();		    /* show one line at a time */
795    }
796}
797
798/*
799 * ":delmarks[!] [marks]"
800 */
801    void
802ex_delmarks(eap)
803    exarg_T *eap;
804{
805    char_u	*p;
806    int		from, to;
807    int		i;
808    int		lower;
809    int		digit;
810    int		n;
811
812    if (*eap->arg == NUL && eap->forceit)
813	/* clear all marks */
814	clrallmarks(curbuf);
815    else if (eap->forceit)
816	EMSG(_(e_invarg));
817    else if (*eap->arg == NUL)
818	EMSG(_(e_argreq));
819    else
820    {
821	/* clear specified marks only */
822	for (p = eap->arg; *p != NUL; ++p)
823	{
824	    lower = ASCII_ISLOWER(*p);
825	    digit = VIM_ISDIGIT(*p);
826	    if (lower || digit || ASCII_ISUPPER(*p))
827	    {
828		if (p[1] == '-')
829		{
830		    /* clear range of marks */
831		    from = *p;
832		    to = p[2];
833		    if (!(lower ? ASCII_ISLOWER(p[2])
834				: (digit ? VIM_ISDIGIT(p[2])
835				    : ASCII_ISUPPER(p[2])))
836			    || to < from)
837		    {
838			EMSG2(_(e_invarg2), p);
839			return;
840		    }
841		    p += 2;
842		}
843		else
844		    /* clear one lower case mark */
845		    from = to = *p;
846
847		for (i = from; i <= to; ++i)
848		{
849		    if (lower)
850			curbuf->b_namedm[i - 'a'].lnum = 0;
851		    else
852		    {
853			if (digit)
854			    n = i - '0' + NMARKS;
855			else
856			    n = i - 'A';
857			namedfm[n].fmark.mark.lnum = 0;
858			vim_free(namedfm[n].fname);
859			namedfm[n].fname = NULL;
860		    }
861		}
862	    }
863	    else
864		switch (*p)
865		{
866		    case '"': curbuf->b_last_cursor.lnum = 0; break;
867		    case '^': curbuf->b_last_insert.lnum = 0; break;
868		    case '.': curbuf->b_last_change.lnum = 0; break;
869		    case '[': curbuf->b_op_start.lnum    = 0; break;
870		    case ']': curbuf->b_op_end.lnum      = 0; break;
871#ifdef FEAT_VISUAL
872		    case '<': curbuf->b_visual.vi_start.lnum = 0; break;
873		    case '>': curbuf->b_visual.vi_end.lnum   = 0; break;
874#endif
875		    case ' ': break;
876		    default:  EMSG2(_(e_invarg2), p);
877			      return;
878		}
879	}
880    }
881}
882
883#if defined(FEAT_JUMPLIST) || defined(PROTO)
884/*
885 * print the jumplist
886 */
887    void
888ex_jumps(eap)
889    exarg_T	*eap UNUSED;
890{
891    int		i;
892    char_u	*name;
893
894    cleanup_jumplist();
895    /* Highlight title */
896    MSG_PUTS_TITLE(_("\n jump line  col file/text"));
897    for (i = 0; i < curwin->w_jumplistlen && !got_int; ++i)
898    {
899	if (curwin->w_jumplist[i].fmark.mark.lnum != 0)
900	{
901	    if (curwin->w_jumplist[i].fmark.fnum == 0)
902		fname2fnum(&curwin->w_jumplist[i]);
903	    name = fm_getname(&curwin->w_jumplist[i].fmark, 16);
904	    if (name == NULL)	    /* file name not available */
905		continue;
906
907	    msg_putchar('\n');
908	    if (got_int)
909	    {
910		vim_free(name);
911		break;
912	    }
913	    sprintf((char *)IObuff, "%c %2d %5ld %4d ",
914		i == curwin->w_jumplistidx ? '>' : ' ',
915		i > curwin->w_jumplistidx ? i - curwin->w_jumplistidx
916					  : curwin->w_jumplistidx - i,
917		curwin->w_jumplist[i].fmark.mark.lnum,
918		curwin->w_jumplist[i].fmark.mark.col);
919	    msg_outtrans(IObuff);
920	    msg_outtrans_attr(name,
921			    curwin->w_jumplist[i].fmark.fnum == curbuf->b_fnum
922							? hl_attr(HLF_D) : 0);
923	    vim_free(name);
924	    ui_breakcheck();
925	}
926	out_flush();
927    }
928    if (curwin->w_jumplistidx == curwin->w_jumplistlen)
929	MSG_PUTS("\n>");
930}
931
932/*
933 * print the changelist
934 */
935    void
936ex_changes(eap)
937    exarg_T	*eap UNUSED;
938{
939    int		i;
940    char_u	*name;
941
942    /* Highlight title */
943    MSG_PUTS_TITLE(_("\nchange line  col text"));
944
945    for (i = 0; i < curbuf->b_changelistlen && !got_int; ++i)
946    {
947	if (curbuf->b_changelist[i].lnum != 0)
948	{
949	    msg_putchar('\n');
950	    if (got_int)
951		break;
952	    sprintf((char *)IObuff, "%c %3d %5ld %4d ",
953		    i == curwin->w_changelistidx ? '>' : ' ',
954		    i > curwin->w_changelistidx ? i - curwin->w_changelistidx
955						: curwin->w_changelistidx - i,
956		    (long)curbuf->b_changelist[i].lnum,
957		    curbuf->b_changelist[i].col);
958	    msg_outtrans(IObuff);
959	    name = mark_line(&curbuf->b_changelist[i], 17);
960	    if (name == NULL)
961		break;
962	    msg_outtrans_attr(name, hl_attr(HLF_D));
963	    vim_free(name);
964	    ui_breakcheck();
965	}
966	out_flush();
967    }
968    if (curwin->w_changelistidx == curbuf->b_changelistlen)
969	MSG_PUTS("\n>");
970}
971#endif
972
973#define one_adjust(add) \
974    { \
975	lp = add; \
976	if (*lp >= line1 && *lp <= line2) \
977	{ \
978	    if (amount == MAXLNUM) \
979		*lp = 0; \
980	    else \
981		*lp += amount; \
982	} \
983	else if (amount_after && *lp > line2) \
984	    *lp += amount_after; \
985    }
986
987/* don't delete the line, just put at first deleted line */
988#define one_adjust_nodel(add) \
989    { \
990	lp = add; \
991	if (*lp >= line1 && *lp <= line2) \
992	{ \
993	    if (amount == MAXLNUM) \
994		*lp = line1; \
995	    else \
996		*lp += amount; \
997	} \
998	else if (amount_after && *lp > line2) \
999	    *lp += amount_after; \
1000    }
1001
1002/*
1003 * Adjust marks between line1 and line2 (inclusive) to move 'amount' lines.
1004 * Must be called before changed_*(), appended_lines() or deleted_lines().
1005 * May be called before or after changing the text.
1006 * When deleting lines line1 to line2, use an 'amount' of MAXLNUM: The marks
1007 * within this range are made invalid.
1008 * If 'amount_after' is non-zero adjust marks after line2.
1009 * Example: Delete lines 34 and 35: mark_adjust(34, 35, MAXLNUM, -2);
1010 * Example: Insert two lines below 55: mark_adjust(56, MAXLNUM, 2, 0);
1011 *				   or: mark_adjust(56, 55, MAXLNUM, 2);
1012 */
1013    void
1014mark_adjust(line1, line2, amount, amount_after)
1015    linenr_T	line1;
1016    linenr_T	line2;
1017    long	amount;
1018    long	amount_after;
1019{
1020    int		i;
1021    int		fnum = curbuf->b_fnum;
1022    linenr_T	*lp;
1023    win_T	*win;
1024#ifdef FEAT_WINDOWS
1025    tabpage_T	*tab;
1026#endif
1027
1028    if (line2 < line1 && amount_after == 0L)	    /* nothing to do */
1029	return;
1030
1031    if (!cmdmod.lockmarks)
1032    {
1033	/* named marks, lower case and upper case */
1034	for (i = 0; i < NMARKS; i++)
1035	{
1036	    one_adjust(&(curbuf->b_namedm[i].lnum));
1037	    if (namedfm[i].fmark.fnum == fnum)
1038		one_adjust_nodel(&(namedfm[i].fmark.mark.lnum));
1039	}
1040	for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++)
1041	{
1042	    if (namedfm[i].fmark.fnum == fnum)
1043		one_adjust_nodel(&(namedfm[i].fmark.mark.lnum));
1044	}
1045
1046	/* last Insert position */
1047	one_adjust(&(curbuf->b_last_insert.lnum));
1048
1049	/* last change position */
1050	one_adjust(&(curbuf->b_last_change.lnum));
1051
1052#ifdef FEAT_JUMPLIST
1053	/* list of change positions */
1054	for (i = 0; i < curbuf->b_changelistlen; ++i)
1055	    one_adjust_nodel(&(curbuf->b_changelist[i].lnum));
1056#endif
1057
1058#ifdef FEAT_VISUAL
1059	/* Visual area */
1060	one_adjust_nodel(&(curbuf->b_visual.vi_start.lnum));
1061	one_adjust_nodel(&(curbuf->b_visual.vi_end.lnum));
1062#endif
1063
1064#ifdef FEAT_QUICKFIX
1065	/* quickfix marks */
1066	qf_mark_adjust(NULL, line1, line2, amount, amount_after);
1067	/* location lists */
1068	FOR_ALL_TAB_WINDOWS(tab, win)
1069	    qf_mark_adjust(win, line1, line2, amount, amount_after);
1070#endif
1071
1072#ifdef FEAT_SIGNS
1073	sign_mark_adjust(line1, line2, amount, amount_after);
1074#endif
1075    }
1076
1077    /* previous context mark */
1078    one_adjust(&(curwin->w_pcmark.lnum));
1079
1080    /* previous pcmark */
1081    one_adjust(&(curwin->w_prev_pcmark.lnum));
1082
1083    /* saved cursor for formatting */
1084    if (saved_cursor.lnum != 0)
1085	one_adjust_nodel(&(saved_cursor.lnum));
1086
1087    /*
1088     * Adjust items in all windows related to the current buffer.
1089     */
1090    FOR_ALL_TAB_WINDOWS(tab, win)
1091    {
1092#ifdef FEAT_JUMPLIST
1093	if (!cmdmod.lockmarks)
1094	    /* Marks in the jumplist.  When deleting lines, this may create
1095	     * duplicate marks in the jumplist, they will be removed later. */
1096	    for (i = 0; i < win->w_jumplistlen; ++i)
1097		if (win->w_jumplist[i].fmark.fnum == fnum)
1098		    one_adjust_nodel(&(win->w_jumplist[i].fmark.mark.lnum));
1099#endif
1100
1101	if (win->w_buffer == curbuf)
1102	{
1103	    if (!cmdmod.lockmarks)
1104		/* marks in the tag stack */
1105		for (i = 0; i < win->w_tagstacklen; i++)
1106		    if (win->w_tagstack[i].fmark.fnum == fnum)
1107			one_adjust_nodel(&(win->w_tagstack[i].fmark.mark.lnum));
1108
1109#ifdef FEAT_VISUAL
1110	    /* the displayed Visual area */
1111	    if (win->w_old_cursor_lnum != 0)
1112	    {
1113		one_adjust_nodel(&(win->w_old_cursor_lnum));
1114		one_adjust_nodel(&(win->w_old_visual_lnum));
1115	    }
1116#endif
1117
1118	    /* topline and cursor position for windows with the same buffer
1119	     * other than the current window */
1120	    if (win != curwin)
1121	    {
1122		if (win->w_topline >= line1 && win->w_topline <= line2)
1123		{
1124		    if (amount == MAXLNUM)	    /* topline is deleted */
1125		    {
1126			if (line1 <= 1)
1127			    win->w_topline = 1;
1128			else
1129			    win->w_topline = line1 - 1;
1130		    }
1131		    else		/* keep topline on the same line */
1132			win->w_topline += amount;
1133#ifdef FEAT_DIFF
1134		    win->w_topfill = 0;
1135#endif
1136		}
1137		else if (amount_after && win->w_topline > line2)
1138		{
1139		    win->w_topline += amount_after;
1140#ifdef FEAT_DIFF
1141		    win->w_topfill = 0;
1142#endif
1143		}
1144		if (win->w_cursor.lnum >= line1 && win->w_cursor.lnum <= line2)
1145		{
1146		    if (amount == MAXLNUM) /* line with cursor is deleted */
1147		    {
1148			if (line1 <= 1)
1149			    win->w_cursor.lnum = 1;
1150			else
1151			    win->w_cursor.lnum = line1 - 1;
1152			win->w_cursor.col = 0;
1153		    }
1154		    else		/* keep cursor on the same line */
1155			win->w_cursor.lnum += amount;
1156		}
1157		else if (amount_after && win->w_cursor.lnum > line2)
1158		    win->w_cursor.lnum += amount_after;
1159	    }
1160
1161#ifdef FEAT_FOLDING
1162	    /* adjust folds */
1163	    foldMarkAdjust(win, line1, line2, amount, amount_after);
1164#endif
1165	}
1166    }
1167
1168#ifdef FEAT_DIFF
1169    /* adjust diffs */
1170    diff_mark_adjust(line1, line2, amount, amount_after);
1171#endif
1172}
1173
1174/* This code is used often, needs to be fast. */
1175#define col_adjust(pp) \
1176    { \
1177	posp = pp; \
1178	if (posp->lnum == lnum && posp->col >= mincol) \
1179	{ \
1180	    posp->lnum += lnum_amount; \
1181	    if (col_amount < 0 && posp->col <= (colnr_T)-col_amount) \
1182		posp->col = 0; \
1183	    else \
1184		posp->col += col_amount; \
1185	} \
1186    }
1187
1188/*
1189 * Adjust marks in line "lnum" at column "mincol" and further: add
1190 * "lnum_amount" to the line number and add "col_amount" to the column
1191 * position.
1192 */
1193    void
1194mark_col_adjust(lnum, mincol, lnum_amount, col_amount)
1195    linenr_T	lnum;
1196    colnr_T	mincol;
1197    long	lnum_amount;
1198    long	col_amount;
1199{
1200    int		i;
1201    int		fnum = curbuf->b_fnum;
1202    win_T	*win;
1203    pos_T	*posp;
1204
1205    if ((col_amount == 0L && lnum_amount == 0L) || cmdmod.lockmarks)
1206	return; /* nothing to do */
1207
1208    /* named marks, lower case and upper case */
1209    for (i = 0; i < NMARKS; i++)
1210    {
1211	col_adjust(&(curbuf->b_namedm[i]));
1212	if (namedfm[i].fmark.fnum == fnum)
1213	    col_adjust(&(namedfm[i].fmark.mark));
1214    }
1215    for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++)
1216    {
1217	if (namedfm[i].fmark.fnum == fnum)
1218	    col_adjust(&(namedfm[i].fmark.mark));
1219    }
1220
1221    /* last Insert position */
1222    col_adjust(&(curbuf->b_last_insert));
1223
1224    /* last change position */
1225    col_adjust(&(curbuf->b_last_change));
1226
1227#ifdef FEAT_JUMPLIST
1228    /* list of change positions */
1229    for (i = 0; i < curbuf->b_changelistlen; ++i)
1230	col_adjust(&(curbuf->b_changelist[i]));
1231#endif
1232
1233#ifdef FEAT_VISUAL
1234    /* Visual area */
1235    col_adjust(&(curbuf->b_visual.vi_start));
1236    col_adjust(&(curbuf->b_visual.vi_end));
1237#endif
1238
1239    /* previous context mark */
1240    col_adjust(&(curwin->w_pcmark));
1241
1242    /* previous pcmark */
1243    col_adjust(&(curwin->w_prev_pcmark));
1244
1245    /* saved cursor for formatting */
1246    col_adjust(&saved_cursor);
1247
1248    /*
1249     * Adjust items in all windows related to the current buffer.
1250     */
1251    FOR_ALL_WINDOWS(win)
1252    {
1253#ifdef FEAT_JUMPLIST
1254	/* marks in the jumplist */
1255	for (i = 0; i < win->w_jumplistlen; ++i)
1256	    if (win->w_jumplist[i].fmark.fnum == fnum)
1257		col_adjust(&(win->w_jumplist[i].fmark.mark));
1258#endif
1259
1260	if (win->w_buffer == curbuf)
1261	{
1262	    /* marks in the tag stack */
1263	    for (i = 0; i < win->w_tagstacklen; i++)
1264		if (win->w_tagstack[i].fmark.fnum == fnum)
1265		    col_adjust(&(win->w_tagstack[i].fmark.mark));
1266
1267	    /* cursor position for other windows with the same buffer */
1268	    if (win != curwin)
1269		col_adjust(&win->w_cursor);
1270	}
1271    }
1272}
1273
1274#ifdef FEAT_JUMPLIST
1275/*
1276 * When deleting lines, this may create duplicate marks in the
1277 * jumplist. They will be removed here for the current window.
1278 */
1279    static void
1280cleanup_jumplist()
1281{
1282    int	    i;
1283    int	    from, to;
1284
1285    to = 0;
1286    for (from = 0; from < curwin->w_jumplistlen; ++from)
1287    {
1288	if (curwin->w_jumplistidx == from)
1289	    curwin->w_jumplistidx = to;
1290	for (i = from + 1; i < curwin->w_jumplistlen; ++i)
1291	    if (curwin->w_jumplist[i].fmark.fnum
1292					== curwin->w_jumplist[from].fmark.fnum
1293		    && curwin->w_jumplist[from].fmark.fnum != 0
1294		    && curwin->w_jumplist[i].fmark.mark.lnum
1295				  == curwin->w_jumplist[from].fmark.mark.lnum)
1296		break;
1297	if (i >= curwin->w_jumplistlen)	    /* no duplicate */
1298	    curwin->w_jumplist[to++] = curwin->w_jumplist[from];
1299	else
1300	    vim_free(curwin->w_jumplist[from].fname);
1301    }
1302    if (curwin->w_jumplistidx == curwin->w_jumplistlen)
1303	curwin->w_jumplistidx = to;
1304    curwin->w_jumplistlen = to;
1305}
1306
1307# if defined(FEAT_WINDOWS) || defined(PROTO)
1308/*
1309 * Copy the jumplist from window "from" to window "to".
1310 */
1311    void
1312copy_jumplist(from, to)
1313    win_T	*from;
1314    win_T	*to;
1315{
1316    int		i;
1317
1318    for (i = 0; i < from->w_jumplistlen; ++i)
1319    {
1320	to->w_jumplist[i] = from->w_jumplist[i];
1321	if (from->w_jumplist[i].fname != NULL)
1322	    to->w_jumplist[i].fname = vim_strsave(from->w_jumplist[i].fname);
1323    }
1324    to->w_jumplistlen = from->w_jumplistlen;
1325    to->w_jumplistidx = from->w_jumplistidx;
1326}
1327
1328/*
1329 * Free items in the jumplist of window "wp".
1330 */
1331    void
1332free_jumplist(wp)
1333    win_T	*wp;
1334{
1335    int		i;
1336
1337    for (i = 0; i < wp->w_jumplistlen; ++i)
1338	vim_free(wp->w_jumplist[i].fname);
1339}
1340# endif
1341#endif /* FEAT_JUMPLIST */
1342
1343    void
1344set_last_cursor(win)
1345    win_T	*win;
1346{
1347    win->w_buffer->b_last_cursor = win->w_cursor;
1348}
1349
1350#if defined(EXITFREE) || defined(PROTO)
1351    void
1352free_all_marks()
1353{
1354    int		i;
1355
1356    for (i = 0; i < NMARKS + EXTRA_MARKS; i++)
1357	if (namedfm[i].fmark.mark.lnum != 0)
1358	    vim_free(namedfm[i].fname);
1359}
1360#endif
1361
1362#if defined(FEAT_VIMINFO) || defined(PROTO)
1363    int
1364read_viminfo_filemark(virp, force)
1365    vir_T	*virp;
1366    int		force;
1367{
1368    char_u	*str;
1369    xfmark_T	*fm;
1370    int		i;
1371
1372    /* We only get here if line[0] == '\'' or '-'.
1373     * Illegal mark names are ignored (for future expansion). */
1374    str = virp->vir_line + 1;
1375    if (
1376#ifndef EBCDIC
1377	    *str <= 127 &&
1378#endif
1379	    ((*virp->vir_line == '\'' && (VIM_ISDIGIT(*str) || isupper(*str)))
1380	     || (*virp->vir_line == '-' && *str == '\'')))
1381    {
1382	if (*str == '\'')
1383	{
1384#ifdef FEAT_JUMPLIST
1385	    /* If the jumplist isn't full insert fmark as oldest entry */
1386	    if (curwin->w_jumplistlen == JUMPLISTSIZE)
1387		fm = NULL;
1388	    else
1389	    {
1390		for (i = curwin->w_jumplistlen; i > 0; --i)
1391		    curwin->w_jumplist[i] = curwin->w_jumplist[i - 1];
1392		++curwin->w_jumplistidx;
1393		++curwin->w_jumplistlen;
1394		fm = &curwin->w_jumplist[0];
1395		fm->fmark.mark.lnum = 0;
1396		fm->fname = NULL;
1397	    }
1398#else
1399	    fm = NULL;
1400#endif
1401	}
1402	else if (VIM_ISDIGIT(*str))
1403	    fm = &namedfm[*str - '0' + NMARKS];
1404	else
1405	    fm = &namedfm[*str - 'A'];
1406	if (fm != NULL && (fm->fmark.mark.lnum == 0 || force))
1407	{
1408	    str = skipwhite(str + 1);
1409	    fm->fmark.mark.lnum = getdigits(&str);
1410	    str = skipwhite(str);
1411	    fm->fmark.mark.col = getdigits(&str);
1412#ifdef FEAT_VIRTUALEDIT
1413	    fm->fmark.mark.coladd = 0;
1414#endif
1415	    fm->fmark.fnum = 0;
1416	    str = skipwhite(str);
1417	    vim_free(fm->fname);
1418	    fm->fname = viminfo_readstring(virp, (int)(str - virp->vir_line),
1419								       FALSE);
1420	}
1421    }
1422    return vim_fgets(virp->vir_line, LSIZE, virp->vir_fd);
1423}
1424
1425    void
1426write_viminfo_filemarks(fp)
1427    FILE	*fp;
1428{
1429    int		i;
1430    char_u	*name;
1431    buf_T	*buf;
1432    xfmark_T	*fm;
1433
1434    if (get_viminfo_parameter('f') == 0)
1435	return;
1436
1437    fputs(_("\n# File marks:\n"), fp);
1438
1439    /*
1440     * Find a mark that is the same file and position as the cursor.
1441     * That one, or else the last one is deleted.
1442     * Move '0 to '1, '1 to '2, etc. until the matching one or '9
1443     * Set '0 mark to current cursor position.
1444     */
1445    if (curbuf->b_ffname != NULL && !removable(curbuf->b_ffname))
1446    {
1447	name = buflist_nr2name(curbuf->b_fnum, TRUE, FALSE);
1448	for (i = NMARKS; i < NMARKS + EXTRA_MARKS - 1; ++i)
1449	    if (namedfm[i].fmark.mark.lnum == curwin->w_cursor.lnum
1450		    && (namedfm[i].fname == NULL
1451			    ? namedfm[i].fmark.fnum == curbuf->b_fnum
1452			    : (name != NULL
1453				    && STRCMP(name, namedfm[i].fname) == 0)))
1454		break;
1455	vim_free(name);
1456
1457	vim_free(namedfm[i].fname);
1458	for ( ; i > NMARKS; --i)
1459	    namedfm[i] = namedfm[i - 1];
1460	namedfm[NMARKS].fmark.mark = curwin->w_cursor;
1461	namedfm[NMARKS].fmark.fnum = curbuf->b_fnum;
1462	namedfm[NMARKS].fname = NULL;
1463    }
1464
1465    /* Write the filemarks '0 - '9 and 'A - 'Z */
1466    for (i = 0; i < NMARKS + EXTRA_MARKS; i++)
1467	write_one_filemark(fp, &namedfm[i], '\'',
1468				     i < NMARKS ? i + 'A' : i - NMARKS + '0');
1469
1470#ifdef FEAT_JUMPLIST
1471    /* Write the jumplist with -' */
1472    fputs(_("\n# Jumplist (newest first):\n"), fp);
1473    setpcmark();	/* add current cursor position */
1474    cleanup_jumplist();
1475    for (fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1];
1476					   fm >= &curwin->w_jumplist[0]; --fm)
1477    {
1478	if (fm->fmark.fnum == 0
1479		|| ((buf = buflist_findnr(fm->fmark.fnum)) != NULL
1480		    && !removable(buf->b_ffname)))
1481	    write_one_filemark(fp, fm, '-', '\'');
1482    }
1483#endif
1484}
1485
1486    static void
1487write_one_filemark(fp, fm, c1, c2)
1488    FILE	*fp;
1489    xfmark_T	*fm;
1490    int		c1;
1491    int		c2;
1492{
1493    char_u	*name;
1494
1495    if (fm->fmark.mark.lnum == 0)	/* not set */
1496	return;
1497
1498    if (fm->fmark.fnum != 0)		/* there is a buffer */
1499	name = buflist_nr2name(fm->fmark.fnum, TRUE, FALSE);
1500    else
1501	name = fm->fname;		/* use name from .viminfo */
1502    if (name != NULL && *name != NUL)
1503    {
1504	fprintf(fp, "%c%c  %ld  %ld  ", c1, c2, (long)fm->fmark.mark.lnum,
1505						    (long)fm->fmark.mark.col);
1506	viminfo_writestring(fp, name);
1507    }
1508
1509    if (fm->fmark.fnum != 0)
1510	vim_free(name);
1511}
1512
1513/*
1514 * Return TRUE if "name" is on removable media (depending on 'viminfo').
1515 */
1516    int
1517removable(name)
1518    char_u  *name;
1519{
1520    char_u  *p;
1521    char_u  part[51];
1522    int	    retval = FALSE;
1523    size_t  n;
1524
1525    name = home_replace_save(NULL, name);
1526    if (name != NULL)
1527    {
1528	for (p = p_viminfo; *p; )
1529	{
1530	    copy_option_part(&p, part, 51, ", ");
1531	    if (part[0] == 'r')
1532	    {
1533		n = STRLEN(part + 1);
1534		if (MB_STRNICMP(part + 1, name, n) == 0)
1535		{
1536		    retval = TRUE;
1537		    break;
1538		}
1539	    }
1540	}
1541	vim_free(name);
1542    }
1543    return retval;
1544}
1545
1546static void write_one_mark __ARGS((FILE *fp_out, int c, pos_T *pos));
1547
1548/*
1549 * Write all the named marks for all buffers.
1550 * Return the number of buffers for which marks have been written.
1551 */
1552    int
1553write_viminfo_marks(fp_out)
1554    FILE	*fp_out;
1555{
1556    int		count;
1557    buf_T	*buf;
1558    int		is_mark_set;
1559    int		i;
1560#ifdef FEAT_WINDOWS
1561    win_T	*win;
1562    tabpage_T	*tp;
1563
1564    /*
1565     * Set b_last_cursor for the all buffers that have a window.
1566     */
1567    FOR_ALL_TAB_WINDOWS(tp, win)
1568	set_last_cursor(win);
1569#else
1570	set_last_cursor(curwin);
1571#endif
1572
1573    fputs(_("\n# History of marks within files (newest to oldest):\n"), fp_out);
1574    count = 0;
1575    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
1576    {
1577	/*
1578	 * Only write something if buffer has been loaded and at least one
1579	 * mark is set.
1580	 */
1581	if (buf->b_marks_read)
1582	{
1583	    if (buf->b_last_cursor.lnum != 0)
1584		is_mark_set = TRUE;
1585	    else
1586	    {
1587		is_mark_set = FALSE;
1588		for (i = 0; i < NMARKS; i++)
1589		    if (buf->b_namedm[i].lnum != 0)
1590		    {
1591			is_mark_set = TRUE;
1592			break;
1593		    }
1594	    }
1595	    if (is_mark_set && buf->b_ffname != NULL
1596		      && buf->b_ffname[0] != NUL && !removable(buf->b_ffname))
1597	    {
1598		home_replace(NULL, buf->b_ffname, IObuff, IOSIZE, TRUE);
1599		fprintf(fp_out, "\n> ");
1600		viminfo_writestring(fp_out, IObuff);
1601		write_one_mark(fp_out, '"', &buf->b_last_cursor);
1602		write_one_mark(fp_out, '^', &buf->b_last_insert);
1603		write_one_mark(fp_out, '.', &buf->b_last_change);
1604#ifdef FEAT_JUMPLIST
1605		/* changelist positions are stored oldest first */
1606		for (i = 0; i < buf->b_changelistlen; ++i)
1607		    write_one_mark(fp_out, '+', &buf->b_changelist[i]);
1608#endif
1609		for (i = 0; i < NMARKS; i++)
1610		    write_one_mark(fp_out, 'a' + i, &buf->b_namedm[i]);
1611		count++;
1612	    }
1613	}
1614    }
1615
1616    return count;
1617}
1618
1619    static void
1620write_one_mark(fp_out, c, pos)
1621    FILE	*fp_out;
1622    int		c;
1623    pos_T	*pos;
1624{
1625    if (pos->lnum != 0)
1626	fprintf(fp_out, "\t%c\t%ld\t%d\n", c, (long)pos->lnum, (int)pos->col);
1627}
1628
1629/*
1630 * Handle marks in the viminfo file:
1631 * fp_out != NULL: copy marks for buffers not in buffer list
1632 * fp_out == NULL && (flags & VIF_WANT_MARKS): read marks for curbuf only
1633 * fp_out == NULL && (flags & VIF_GET_OLDFILES | VIF_FORCEIT): fill v:oldfiles
1634 */
1635    void
1636copy_viminfo_marks(virp, fp_out, count, eof, flags)
1637    vir_T	*virp;
1638    FILE	*fp_out;
1639    int		count;
1640    int		eof;
1641    int		flags;
1642{
1643    char_u	*line = virp->vir_line;
1644    buf_T	*buf;
1645    int		num_marked_files;
1646    int		load_marks;
1647    int		copy_marks_out;
1648    char_u	*str;
1649    int		i;
1650    char_u	*p;
1651    char_u	*name_buf;
1652    pos_T	pos;
1653#ifdef FEAT_EVAL
1654    list_T	*list = NULL;
1655#endif
1656
1657    if ((name_buf = alloc(LSIZE)) == NULL)
1658	return;
1659    *name_buf = NUL;
1660
1661#ifdef FEAT_EVAL
1662    if (fp_out == NULL && (flags & (VIF_GET_OLDFILES | VIF_FORCEIT)))
1663    {
1664	list = list_alloc();
1665	if (list != NULL)
1666	    set_vim_var_list(VV_OLDFILES, list);
1667    }
1668#endif
1669
1670    num_marked_files = get_viminfo_parameter('\'');
1671    while (!eof && (count < num_marked_files || fp_out == NULL))
1672    {
1673	if (line[0] != '>')
1674	{
1675	    if (line[0] != '\n' && line[0] != '\r' && line[0] != '#')
1676	    {
1677		if (viminfo_error("E576: ", _("Missing '>'"), line))
1678		    break;	/* too many errors, return now */
1679	    }
1680	    eof = vim_fgets(line, LSIZE, virp->vir_fd);
1681	    continue;		/* Skip this dud line */
1682	}
1683
1684	/*
1685	 * Handle long line and translate escaped characters.
1686	 * Find file name, set str to start.
1687	 * Ignore leading and trailing white space.
1688	 */
1689	str = skipwhite(line + 1);
1690	str = viminfo_readstring(virp, (int)(str - virp->vir_line), FALSE);
1691	if (str == NULL)
1692	    continue;
1693	p = str + STRLEN(str);
1694	while (p != str && (*p == NUL || vim_isspace(*p)))
1695	    p--;
1696	if (*p)
1697	    p++;
1698	*p = NUL;
1699
1700#ifdef FEAT_EVAL
1701	if (list != NULL)
1702	    list_append_string(list, str, -1);
1703#endif
1704
1705	/*
1706	 * If fp_out == NULL, load marks for current buffer.
1707	 * If fp_out != NULL, copy marks for buffers not in buflist.
1708	 */
1709	load_marks = copy_marks_out = FALSE;
1710	if (fp_out == NULL)
1711	{
1712	    if ((flags & VIF_WANT_MARKS) && curbuf->b_ffname != NULL)
1713	    {
1714		if (*name_buf == NUL)	    /* only need to do this once */
1715		    home_replace(NULL, curbuf->b_ffname, name_buf, LSIZE, TRUE);
1716		if (fnamecmp(str, name_buf) == 0)
1717		    load_marks = TRUE;
1718	    }
1719	}
1720	else /* fp_out != NULL */
1721	{
1722	    /* This is slow if there are many buffers!! */
1723	    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
1724		if (buf->b_ffname != NULL)
1725		{
1726		    home_replace(NULL, buf->b_ffname, name_buf, LSIZE, TRUE);
1727		    if (fnamecmp(str, name_buf) == 0)
1728			break;
1729		}
1730
1731	    /*
1732	     * copy marks if the buffer has not been loaded
1733	     */
1734	    if (buf == NULL || !buf->b_marks_read)
1735	    {
1736		copy_marks_out = TRUE;
1737		fputs("\n> ", fp_out);
1738		viminfo_writestring(fp_out, str);
1739		count++;
1740	    }
1741	}
1742	vim_free(str);
1743
1744#ifdef FEAT_VIRTUALEDIT
1745	pos.coladd = 0;
1746#endif
1747	while (!(eof = viminfo_readline(virp)) && line[0] == TAB)
1748	{
1749	    if (load_marks)
1750	    {
1751		if (line[1] != NUL)
1752		{
1753		    sscanf((char *)line + 2, "%ld %u", &pos.lnum, &pos.col);
1754		    switch (line[1])
1755		    {
1756			case '"': curbuf->b_last_cursor = pos; break;
1757			case '^': curbuf->b_last_insert = pos; break;
1758			case '.': curbuf->b_last_change = pos; break;
1759			case '+':
1760#ifdef FEAT_JUMPLIST
1761				  /* changelist positions are stored oldest
1762				   * first */
1763				  if (curbuf->b_changelistlen == JUMPLISTSIZE)
1764				      /* list is full, remove oldest entry */
1765				      mch_memmove(curbuf->b_changelist,
1766					    curbuf->b_changelist + 1,
1767					    sizeof(pos_T) * (JUMPLISTSIZE - 1));
1768				  else
1769				      ++curbuf->b_changelistlen;
1770				  curbuf->b_changelist[
1771					   curbuf->b_changelistlen - 1] = pos;
1772#endif
1773				  break;
1774			default:  if ((i = line[1] - 'a') >= 0 && i < NMARKS)
1775				      curbuf->b_namedm[i] = pos;
1776		    }
1777		}
1778	    }
1779	    else if (copy_marks_out)
1780		fputs((char *)line, fp_out);
1781	}
1782	if (load_marks)
1783	{
1784#ifdef FEAT_JUMPLIST
1785	    win_T	*wp;
1786
1787	    FOR_ALL_WINDOWS(wp)
1788	    {
1789		if (wp->w_buffer == curbuf)
1790		    wp->w_changelistidx = curbuf->b_changelistlen;
1791	    }
1792#endif
1793	    break;
1794	}
1795    }
1796    vim_free(name_buf);
1797}
1798#endif /* FEAT_VIMINFO */
1799