1/*
2 * sh.file.c: File completion for csh. This file is not used in tcsh.
3 */
4/*-
5 * Copyright (c) 1980, 1991 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32#include "sh.h"
33#include "ed.h"
34
35#if defined(FILEC) && defined(TIOCSTI)
36
37/*
38 * Tenex style file name recognition, .. and more.
39 * History:
40 *	Author: Ken Greer, Sept. 1975, CMU.
41 *	Finally got around to adding to the Cshell., Ken Greer, Dec. 1981.
42 */
43
44#define ON	1
45#define OFF	0
46#ifndef TRUE
47#define TRUE 1
48#endif
49#ifndef FALSE
50#define FALSE 0
51#endif
52
53#define ESC     CTL_ESC('\033')
54
55typedef enum {
56    LIST, RECOGNIZE
57}       COMMAND;
58
59static	void	 setup_tty		(int);
60static	void	 back_to_col_1		(void);
61static	void	 pushback		(const Char *);
62static	int	 filetype		(const Char *, const Char *);
63static	void	 print_by_column	(const Char *, Char *[], size_t);
64static	Char 	*tilde			(const Char *);
65static	void	 retype			(void);
66static	void	 beep			(void);
67static	void 	 print_recognized_stuff	(const Char *);
68static	void	 extract_dir_and_name	(const Char *, Char **, const Char **);
69static	Char	*getitem		(DIR *, int);
70static	size_t	 tsearch		(Char *, COMMAND, size_t);
71static	int	 compare		(const void *, const void *);
72static	int	 recognize		(Char **, Char *, size_t, size_t);
73static	int	 is_prefix		(const Char *, const Char *);
74static	int	 is_suffix		(const Char *, const Char *);
75static	int	 ignored		(const Char *);
76
77
78/*
79 * Put this here so the binary can be patched with adb to enable file
80 * completion by default.  Filec controls completion, nobeep controls
81 * ringing the terminal bell on incomplete expansions.
82 */
83int    filec = 0;
84
85static void
86setup_tty(int on)
87{
88#ifdef TERMIO
89# ifdef POSIX
90    struct termios tchars;
91# else
92    struct termio tchars;
93# endif /* POSIX */
94
95# ifdef POSIX
96    (void) tcgetattr(SHIN, &tchars);
97# else
98    (void) ioctl(SHIN, TCGETA, (ioctl_t) &tchars);
99# endif /* POSIX */
100    if (on) {
101	tchars.c_cc[VEOL] = ESC;
102	if (tchars.c_lflag & ICANON)
103# ifdef POSIX
104	    on = TCSADRAIN;
105# else
106	    on = TCSETA;
107# endif /* POSIX */
108	else {
109# ifdef POSIX
110	    on = TCSAFLUSH;
111# else
112	    on = TCSETAF;
113# endif /* POSIX */
114	    tchars.c_lflag |= ICANON;
115
116	}
117    }
118    else {
119	tchars.c_cc[VEOL] = _POSIX_VDISABLE;
120# ifdef POSIX
121	on = TCSADRAIN;
122# else
123        on = TCSETA;
124# endif /* POSIX */
125    }
126# ifdef POSIX
127    (void) xtcsetattr(SHIN, on, &tchars);
128# else
129    (void) ioctl(SHIN, on, (ioctl_t) &tchars);
130# endif /* POSIX */
131#else
132    struct sgttyb sgtty;
133    static struct tchars tchars;/* INT, QUIT, XON, XOFF, EOF, BRK */
134
135    if (on) {
136	(void) ioctl(SHIN, TIOCGETC, (ioctl_t) & tchars);
137	tchars.t_brkc = ESC;
138	(void) ioctl(SHIN, TIOCSETC, (ioctl_t) & tchars);
139	/*
140	 * This must be done after every command: if the tty gets into raw or
141	 * cbreak mode the user can't even type 'reset'.
142	 */
143	(void) ioctl(SHIN, TIOCGETP, (ioctl_t) & sgtty);
144	if (sgtty.sg_flags & (RAW | CBREAK)) {
145	    sgtty.sg_flags &= ~(RAW | CBREAK);
146	    (void) ioctl(SHIN, TIOCSETP, (ioctl_t) & sgtty);
147	}
148    }
149    else {
150	tchars.t_brkc = -1;
151	(void) ioctl(SHIN, TIOCSETC, (ioctl_t) & tchars);
152    }
153#endif /* TERMIO */
154}
155
156/*
157 * Move back to beginning of current line
158 */
159static void
160back_to_col_1(void)
161{
162#ifdef TERMIO
163# ifdef POSIX
164    struct termios tty, tty_normal;
165# else
166    struct termio tty, tty_normal;
167# endif /* POSIX */
168#else
169    struct sgttyb tty, tty_normal;
170#endif /* TERMIO */
171
172    pintr_disabled++;
173    cleanup_push(&pintr_disabled, disabled_cleanup);
174
175#ifdef TERMIO
176# ifdef POSIX
177    (void) tcgetattr(SHOUT, &tty);
178# else
179    (void) ioctl(SHOUT, TCGETA, (ioctl_t) &tty_normal);
180# endif /* POSIX */
181    tty_normal = tty;
182    tty.c_iflag &= ~INLCR;
183    tty.c_oflag &= ~ONLCR;
184# ifdef POSIX
185    (void) xtcsetattr(SHOUT, TCSANOW, &tty);
186# else
187    (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
188# endif /* POSIX */
189    (void) xwrite(SHOUT, "\r", 1);
190# ifdef POSIX
191    (void) xtcsetattr(SHOUT, TCSANOW, &tty_normal);
192# else
193    (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty_normal);
194# endif /* POSIX */
195#else
196    (void) ioctl(SHIN, TIOCGETP, (ioctl_t) & tty);
197    tty_normal = tty;
198    tty.sg_flags &= ~CRMOD;
199    (void) ioctl(SHIN, TIOCSETN, (ioctl_t) & tty);
200    (void) xwrite(SHOUT, "\r", 1);
201    (void) ioctl(SHIN, TIOCSETN, (ioctl_t) & tty_normal);
202#endif /* TERMIO */
203
204    cleanup_until(&pintr_disabled);
205}
206
207/*
208 * Push string contents back into tty queue
209 */
210static void
211pushback(const Char *string)
212{
213    const Char *p;
214#ifdef TERMIO
215# ifdef POSIX
216    struct termios tty, tty_normal;
217# else
218    struct termio tty, tty_normal;
219# endif /* POSIX */
220#else
221    struct sgttyb tty, tty_normal;
222#endif /* TERMIO */
223
224    pintr_disabled++;
225    cleanup_push(&pintr_disabled, disabled_cleanup);
226
227#ifdef TERMIO
228# ifdef POSIX
229    (void) tcgetattr(SHOUT, &tty);
230# else
231    (void) ioctl(SHOUT, TCGETA, (ioctl_t) &tty);
232# endif /* POSIX */
233    tty_normal = tty;
234    tty.c_lflag &= ~(ECHOKE | ECHO | ECHOE | ECHOK | ECHONL |
235#ifndef __QNXNTO__
236	ECHOPRT |
237#endif
238	ECHOCTL);
239# ifdef POSIX
240    (void) xtcsetattr(SHOUT, TCSANOW, &tty);
241# else
242    (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
243# endif /* POSIX */
244
245    for (p = string; *p != '\0'; p++) {
246	char buf[MB_LEN_MAX];
247	size_t i, len;
248
249	len = one_wctomb(buf, *p);
250	for (i = 0; i < len; i++)
251	    (void) ioctl(SHOUT, TIOCSTI, (ioctl_t) &buf[i]);
252    }
253# ifdef POSIX
254    (void) xtcsetattr(SHOUT, TCSANOW, &tty_normal);
255# else
256    (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty_normal);
257# endif /* POSIX */
258#else
259    (void) ioctl(SHOUT, TIOCGETP, (ioctl_t) & tty);
260    tty_normal = tty;
261    tty.sg_flags &= ~ECHO;
262    (void) ioctl(SHOUT, TIOCSETN, (ioctl_t) & tty);
263
264    for (p = string; c = *p; p++)
265	(void) ioctl(SHOUT, TIOCSTI, (ioctl_t) & c);
266    (void) ioctl(SHOUT, TIOCSETN, (ioctl_t) & tty_normal);
267#endif /* TERMIO */
268
269    cleanup_until(&pintr_disabled);
270}
271
272static int
273filetype(const Char *dir, const Char *file)
274{
275    Char    *path;
276    char *spath;
277    struct stat statb;
278
279    path = Strspl(dir, file);
280    spath = short2str(path);
281    xfree(path);
282    if (lstat(spath, &statb) == 0) {
283	switch (statb.st_mode & S_IFMT) {
284	case S_IFDIR:
285	    return ('/');
286
287	case S_IFLNK:
288	    if (stat(spath, &statb) == 0 &&	/* follow it out */
289		S_ISDIR(statb.st_mode))
290		return ('>');
291	    else
292		return ('@');
293
294	case S_IFSOCK:
295	    return ('=');
296
297	default:
298	    if (statb.st_mode & 0111)
299		return ('*');
300	}
301    }
302    return (' ');
303}
304
305/*
306 * Print sorted down columns
307 */
308static void
309print_by_column(const Char *dir, Char *items[], size_t count)
310{
311    struct winsize win;
312    size_t i;
313    int rows, r, c, maxwidth = 0, columns;
314
315    if (ioctl(SHOUT, TIOCGWINSZ, (ioctl_t) & win) < 0 || win.ws_col == 0)
316	win.ws_col = 80;
317    for (i = 0; i < count; i++)
318	maxwidth = maxwidth > (r = Strlen(items[i])) ? maxwidth : r;
319    maxwidth += 2;		/* for the file tag and space */
320    columns = win.ws_col / maxwidth;
321    if (columns == 0)
322	columns = 1;
323    rows = (count + (columns - 1)) / columns;
324    for (r = 0; r < rows; r++) {
325	for (c = 0; c < columns; c++) {
326	    i = c * rows + r;
327	    if (i < count) {
328		int w;
329
330		xprintf("%S", items[i]);
331		xputchar(dir ? filetype(dir, items[i]) : ' ');
332		if (c < columns - 1) {	/* last column? */
333		    w = Strlen(items[i]) + 1;
334		    for (; w < maxwidth; w++)
335			xputchar(' ');
336		}
337	    }
338	}
339	xputchar('\r');
340	xputchar('\n');
341    }
342}
343
344/*
345 * Expand file name with possible tilde usage
346 *	~person/mumble
347 * expands to
348 *	home_directory_of_person/mumble
349 */
350static Char *
351tilde(const Char *old)
352{
353    const Char *o, *home;
354    struct passwd *pw;
355
356    if (old[0] != '~')
357	return (Strsave(old));
358    old++;
359
360    for (o = old; *o != '\0' && *o != '/'; o++)
361	;
362    if (o == old)
363	home = varval(STRhome);
364    else {
365	Char *person;
366
367	person = Strnsave(old, o - old);
368	pw = xgetpwnam(short2str(person));
369	xfree(person);
370	if (pw == NULL)
371	    return (NULL);
372	home = str2short(pw->pw_dir);
373    }
374    return Strspl(home, o);
375}
376
377/*
378 * Cause pending line to be printed
379 */
380static void
381retype(void)
382{
383#ifdef TERMIO
384# ifdef POSIX
385    struct termios tty;
386
387    (void) tcgetattr(SHOUT, &tty);
388# else
389    struct termio tty;
390
391    (void) ioctl(SHOUT, TCGETA, (ioctl_t) &tty);
392# endif /* POSIX */
393
394#ifndef __QNXNTO__
395    tty.c_lflag |= PENDIN;
396#endif
397
398# ifdef POSIX
399    (void) xtcsetattr(SHOUT, TCSANOW, &tty);
400# else
401    (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
402# endif /* POSIX */
403#else
404    int     pending_input = LPENDIN;
405
406    (void) ioctl(SHOUT, TIOCLBIS, (ioctl_t) & pending_input);
407#endif /* TERMIO */
408}
409
410static void
411beep(void)
412{
413    if (adrof(STRnobeep) == 0)
414#ifdef IS_ASCII
415	(void) xwrite(SHOUT, "\007", 1);
416#else
417    {
418	unsigned char beep_ch = CTL_ESC('\007');
419	(void) xwrite(SHOUT, &beep_ch, 1);
420    }
421#endif
422}
423
424/*
425 * Erase that silly ^[ and
426 * print the recognized part of the string
427 */
428static void
429print_recognized_stuff(const Char *recognized_part)
430{
431    /* An optimized erasing of that silly ^[ */
432    (void) putraw('\b');
433    (void) putraw('\b');
434    switch (Strlen(recognized_part)) {
435
436    case 0:			/* erase two Characters: ^[ */
437	(void) putraw(' ');
438	(void) putraw(' ');
439	(void) putraw('\b');
440	(void) putraw('\b');
441	break;
442
443    case 1:			/* overstrike the ^, erase the [ */
444	xprintf("%S", recognized_part);
445	(void) putraw(' ');
446	(void) putraw('\b');
447	break;
448
449    default:			/* overstrike both Characters ^[ */
450	xprintf("%S", recognized_part);
451	break;
452    }
453    flush();
454}
455
456/*
457 * Parse full path in file into 2 parts: directory and file names
458 * Should leave final slash (/) at end of dir.
459 */
460static void
461extract_dir_and_name(const Char *path, Char **dir, const Char **name)
462{
463    const Char *p;
464
465    p = Strrchr(path, '/');
466    if (p == NULL)
467	p = path;
468    else
469	p++;
470    *name = p;
471    *dir = Strnsave(path, p - path);
472}
473
474static Char *
475getitem(DIR *dir_fd, int looking_for_lognames)
476{
477    struct passwd *pw;
478    struct dirent *dirp;
479
480    if (looking_for_lognames) {
481#ifndef HAVE_GETPWENT
482	    return (NULL);
483#else
484	if ((pw = getpwent()) == NULL)
485	    return (NULL);
486	return (str2short(pw->pw_name));
487#endif /* atp vmsposix */
488    }
489    if ((dirp = readdir(dir_fd)) != NULL)
490	return (str2short(dirp->d_name));
491    return (NULL);
492}
493
494/*
495 * Perform a RECOGNIZE or LIST command on string "word".
496 */
497static size_t
498tsearch(Char *word, COMMAND command, size_t max_word_length)
499{
500    DIR *dir_fd;
501    int ignoring = TRUE, nignored = 0;
502    int looking_for_lognames;
503    Char *tilded_dir = NULL, *dir = NULL;
504    Char *extended_name = NULL;
505    const Char *name;
506    Char *item;
507    struct blk_buf items = BLK_BUF_INIT;
508    size_t name_length;
509
510    looking_for_lognames = (*word == '~') && (Strchr(word, '/') == NULL);
511    if (looking_for_lognames) {
512#ifdef HAVE_GETPWENT
513	(void) setpwent();
514#endif
515	name = word + 1;	/* name sans ~ */
516	dir_fd = NULL;
517	cleanup_push(dir, xfree);
518    }
519    else {
520	extract_dir_and_name(word, &dir, &name);
521	cleanup_push(dir, xfree);
522	tilded_dir = tilde(dir);
523	if (tilded_dir == NULL)
524	    goto end;
525	cleanup_push(tilded_dir, xfree);
526	dir_fd = opendir(*tilded_dir ? short2str(tilded_dir) : ".");
527	if (dir_fd == NULL)
528	    goto end;
529    }
530
531    name_length = Strlen(name);
532    cleanup_push(&extended_name, xfree_indirect);
533    cleanup_push(&items, bb_cleanup);
534again:				/* search for matches */
535    while ((item = getitem(dir_fd, looking_for_lognames)) != NULL) {
536	if (!is_prefix(name, item))
537	    continue;
538	/* Don't match . files on null prefix match */
539	if (name_length == 0 && item[0] == '.' &&
540	    !looking_for_lognames)
541	    continue;
542	if (command == LIST)
543	    bb_append(&items, Strsave(item));
544	else {			/* RECOGNIZE command */
545	    if (ignoring && ignored(item))
546		nignored++;
547	    else if (recognize(&extended_name, item, name_length, ++items.len))
548		break;
549	}
550    }
551    if (ignoring && items.len == 0 && nignored > 0) {
552	ignoring = FALSE;
553	nignored = 0;
554	if (looking_for_lognames) {
555#ifdef HAVE_GETPWENT
556	    (void) setpwent();
557#endif /* atp vmsposix */
558	} else
559	    rewinddir(dir_fd);
560	goto again;
561    }
562
563    if (looking_for_lognames) {
564#ifdef HAVE_GETPWENT
565	(void) endpwent();
566#endif
567    } else
568	xclosedir(dir_fd);
569    if (items.len != 0) {
570	if (command == RECOGNIZE) {
571	    if (looking_for_lognames)
572		copyn(word, STRtilde, 2);/*FIXBUF, sort of */
573	    else
574		/* put back dir part */
575		copyn(word, dir, max_word_length);/*FIXBUF*/
576	    /* add extended name */
577	    catn(word, extended_name, max_word_length);/*FIXBUF*/
578	}
579	else {			/* LIST */
580	    qsort(items.vec, items.len, sizeof(items.vec[0]), compare);
581	    print_by_column(looking_for_lognames ? NULL : tilded_dir,
582			    items.vec, items.len);
583	}
584    }
585 end:
586    cleanup_until(dir);
587    return items.len;
588}
589
590
591static int
592compare(const void *p, const void *q)
593{
594#if defined (WIDE_STRINGS) && !defined (UTF16_STRING)
595    errno = 0;
596
597    return (wcscoll(*(Char *const *) p, *(Char *const *) q));
598#else
599    char *p1, *q1;
600    int res;
601
602    p1 = strsave(short2str(*(Char *const *) p));
603    q1 = strsave(short2str(*(Char *const *) q));
604# if defined(NLS) && defined(HAVE_STRCOLL)
605    res = strcoll(p1, q1);
606# else
607    res = strcmp(p1, q1);
608# endif /* NLS && HAVE_STRCOLL */
609    xfree (p1);
610    xfree (q1);
611    return res;
612#endif /* not WIDE_STRINGS */
613}
614
615/*
616 * Object: extend what user typed up to an ambiguity.
617 * Algorithm:
618 * On first match, copy full item (assume it'll be the only match)
619 * On subsequent matches, shorten extended_name to the first
620 * Character mismatch between extended_name and item.
621 * If we shorten it back to the prefix length, stop searching.
622 */
623static int
624recognize(Char **extended_name, Char *item, size_t name_length,
625	  size_t numitems)
626{
627    if (numitems == 1)		/* 1st match */
628	*extended_name = Strsave(item);
629    else {			/* 2nd & subsequent matches */
630	Char *x, *ent;
631	size_t len = 0;
632
633	x = *extended_name;
634	for (ent = item; *x && *x == *ent++; x++, len++);
635	*x = '\0';		/* Shorten at 1st Char diff */
636	if (len == name_length)	/* Ambiguous to prefix? */
637	    return (-1);	/* So stop now and save time */
638    }
639    return (0);
640}
641
642/*
643 * Return true if check matches initial Chars in template.
644 * This differs from PWB imatch in that if check is null
645 * it matches anything.
646 */
647static int
648is_prefix(const Char *check, const Char *template)
649{
650    do
651	if (*check == 0)
652	    return (TRUE);
653    while (*check++ == *template++);
654    return (FALSE);
655}
656
657/*
658 *  Return true if the Chars in template appear at the
659 *  end of check, I.e., are it's suffix.
660 */
661static int
662is_suffix(const Char *check, const Char *template)
663{
664    const Char *c, *t;
665
666    for (c = check; *c++;);
667    for (t = template; *t++;);
668    for (;;) {
669	if (t == template)
670	    return 1;
671	if (c == check || *--t != *--c)
672	    return 0;
673    }
674}
675
676static void
677setup_tty_cleanup(void *dummy)
678{
679    USE(dummy);
680    setup_tty(OFF);
681}
682
683size_t
684tenex(Char *inputline, size_t inputline_size)
685{
686    size_t numitems;
687    ssize_t num_read;
688    char    tinputline[BUFSIZE + 1];/*FIXBUF*/
689
690    setup_tty(ON);
691    cleanup_push(&num_read, setup_tty_cleanup); /* num_read is only a marker */
692
693    while ((num_read = xread(SHIN, tinputline, BUFSIZE)) > 0) {/*FIXBUF*/
694	static const Char delims[] = {' ', '\'', '"', '\t', ';', '&', '<',
695	'>', '(', ')', '|', '^', '%', '\0'};
696	Char *str_end, *word_start, last_Char, should_retype;
697	size_t space_left;
698	COMMAND command;
699
700	tinputline[num_read] = 0;
701	Strcpy(inputline, str2short(tinputline));/*FIXBUF*/
702	num_read = Strlen(inputline);
703	last_Char = CTL_ESC(ASC(inputline[num_read - 1]) & ASCII);
704
705	if (last_Char == '\n' || (size_t)num_read == inputline_size)
706	    break;
707	command = (last_Char == ESC) ? RECOGNIZE : LIST;
708	if (command == LIST)
709	    xputchar('\n');
710	str_end = &inputline[num_read];
711	if (last_Char == ESC)
712	    --str_end;		/* wipeout trailing cmd Char */
713	*str_end = '\0';
714	/*
715	 * Find LAST occurence of a delimiter in the inputline. The word start
716	 * is one Character past it.
717	 */
718	for (word_start = str_end; word_start > inputline; --word_start)
719	    if (Strchr(delims, word_start[-1]))
720		break;
721	space_left = inputline_size - (word_start - inputline) - 1;
722	numitems = tsearch(word_start, command, space_left);
723
724	if (command == RECOGNIZE) {
725	    /* print from str_end on */
726	    print_recognized_stuff(str_end);
727	    if (numitems != 1)	/* Beep = No match/ambiguous */
728		beep();
729	}
730
731	/*
732	 * Tabs in the input line cause trouble after a pushback. tty driver
733	 * won't backspace over them because column positions are now
734	 * incorrect. This is solved by retyping over current line.
735	 */
736	should_retype = FALSE;
737	if (Strchr(inputline, '\t')) {	/* tab Char in input line? */
738	    back_to_col_1();
739	    should_retype = TRUE;
740	}
741	if (command == LIST)	/* Always retype after a LIST */
742	    should_retype = TRUE;
743	if (should_retype)
744	    printprompt(0, NULL);
745	pushback(inputline);
746	if (should_retype)
747	    retype();
748    }
749    cleanup_until(&num_read);
750    return (num_read);
751}
752
753static int
754ignored(const Char *item)
755{
756    struct varent *vp;
757    Char **cp;
758
759    if ((vp = adrof(STRfignore)) == NULL || (cp = vp->vec) == NULL)
760	return (FALSE);
761    for (; *cp != NULL; cp++)
762	if (is_suffix(item, *cp))
763	    return (TRUE);
764    return (FALSE);
765}
766#endif	/* FILEC && TIOCSTI */
767