Import tcsh-6.17.00
[dragonfly.git] / contrib / tcsh-6 / sh.file.c
CommitLineData
57e3f2b5 1/* $Header: /p/tcsh/cvsroot/tcsh/sh.file.c,v 3.36 2007/07/05 14:13:06 christos Exp $ */
7d8fb588
MS
2/*
3 * sh.file.c: File completion for csh. This file is not used in tcsh.
4 */
5/*-
6 * Copyright (c) 1980, 1991 The Regents of the University of California.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33#include "sh.h"
34#include "ed.h"
35
57e3f2b5 36RCSID("$tcsh: sh.file.c,v 3.36 2007/07/05 14:13:06 christos Exp $")
7d8fb588
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37
38#if defined(FILEC) && defined(TIOCSTI)
39
40/*
41 * Tenex style file name recognition, .. and more.
42 * History:
43 * Author: Ken Greer, Sept. 1975, CMU.
44 * Finally got around to adding to the Cshell., Ken Greer, Dec. 1981.
45 */
46
47#define ON 1
48#define OFF 0
49#ifndef TRUE
50#define TRUE 1
51#endif
52#ifndef FALSE
53#define FALSE 0
54#endif
55
56#define ESC CTL_ESC('\033')
57
58typedef enum {
59 LIST, RECOGNIZE
60} COMMAND;
61
62static void setup_tty (int);
63static void back_to_col_1 (void);
64static void pushback (const Char *);
65static int filetype (const Char *, const Char *);
66static void print_by_column (const Char *, Char *[], size_t);
67static Char *tilde (const Char *);
68static void retype (void);
69static void beep (void);
70static void print_recognized_stuff (const Char *);
71static void extract_dir_and_name (const Char *, Char **, const Char **);
72static Char *getitem (DIR *, int);
73static size_t tsearch (Char *, COMMAND, size_t);
74static int compare (const void *, const void *);
75static int recognize (Char **, Char *, size_t, size_t);
76static int is_prefix (const Char *, const Char *);
77static int is_suffix (const Char *, const Char *);
78static int ignored (const Char *);
79
80
81/*
82 * Put this here so the binary can be patched with adb to enable file
83 * completion by default. Filec controls completion, nobeep controls
84 * ringing the terminal bell on incomplete expansions.
85 */
86int filec = 0;
87
88static void
89setup_tty(int on)
90{
91#ifdef TERMIO
92# ifdef POSIX
93 struct termios tchars;
94# else
95 struct termio tchars;
96# endif /* POSIX */
97
98# ifdef POSIX
99 (void) tcgetattr(SHIN, &tchars);
100# else
101 (void) ioctl(SHIN, TCGETA, (ioctl_t) &tchars);
102# endif /* POSIX */
103 if (on) {
104 tchars.c_cc[VEOL] = ESC;
105 if (tchars.c_lflag & ICANON)
106# ifdef POSIX
107 on = TCSADRAIN;
108# else
109 on = TCSETA;
110# endif /* POSIX */
111 else {
112# ifdef POSIX
113 on = TCSAFLUSH;
114# else
115 on = TCSETAF;
116# endif /* POSIX */
117 tchars.c_lflag |= ICANON;
118
119 }
120 }
121 else {
122 tchars.c_cc[VEOL] = _POSIX_VDISABLE;
123# ifdef POSIX
124 on = TCSADRAIN;
125# else
126 on = TCSETA;
127# endif /* POSIX */
128 }
129# ifdef POSIX
130 (void) xtcsetattr(SHIN, on, &tchars);
131# else
132 (void) ioctl(SHIN, on, (ioctl_t) &tchars);
133# endif /* POSIX */
134#else
135 struct sgttyb sgtty;
136 static struct tchars tchars;/* INT, QUIT, XON, XOFF, EOF, BRK */
137
138 if (on) {
139 (void) ioctl(SHIN, TIOCGETC, (ioctl_t) & tchars);
140 tchars.t_brkc = ESC;
141 (void) ioctl(SHIN, TIOCSETC, (ioctl_t) & tchars);
142 /*
143 * This must be done after every command: if the tty gets into raw or
144 * cbreak mode the user can't even type 'reset'.
145 */
146 (void) ioctl(SHIN, TIOCGETP, (ioctl_t) & sgtty);
147 if (sgtty.sg_flags & (RAW | CBREAK)) {
148 sgtty.sg_flags &= ~(RAW | CBREAK);
149 (void) ioctl(SHIN, TIOCSETP, (ioctl_t) & sgtty);
150 }
151 }
152 else {
153 tchars.t_brkc = -1;
154 (void) ioctl(SHIN, TIOCSETC, (ioctl_t) & tchars);
155 }
156#endif /* TERMIO */
157}
158
159/*
160 * Move back to beginning of current line
161 */
162static void
163back_to_col_1(void)
164{
165#ifdef TERMIO
166# ifdef POSIX
167 struct termios tty, tty_normal;
168# else
169 struct termio tty, tty_normal;
170# endif /* POSIX */
171#else
172 struct sgttyb tty, tty_normal;
173#endif /* TERMIO */
174
175 pintr_disabled++;
176 cleanup_push(&pintr_disabled, disabled_cleanup);
177
178#ifdef TERMIO
179# ifdef POSIX
180 (void) tcgetattr(SHOUT, &tty);
181# else
182 (void) ioctl(SHOUT, TCGETA, (ioctl_t) &tty_normal);
183# endif /* POSIX */
184 tty_normal = tty;
185 tty.c_iflag &= ~INLCR;
186 tty.c_oflag &= ~ONLCR;
187# ifdef POSIX
188 (void) xtcsetattr(SHOUT, TCSANOW, &tty);
189# else
190 (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
191# endif /* POSIX */
192 (void) xwrite(SHOUT, "\r", 1);
193# ifdef POSIX
194 (void) xtcsetattr(SHOUT, TCSANOW, &tty_normal);
195# else
196 (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty_normal);
197# endif /* POSIX */
198#else
199 (void) ioctl(SHIN, TIOCGETP, (ioctl_t) & tty);
200 tty_normal = tty;
201 tty.sg_flags &= ~CRMOD;
202 (void) ioctl(SHIN, TIOCSETN, (ioctl_t) & tty);
203 (void) xwrite(SHOUT, "\r", 1);
204 (void) ioctl(SHIN, TIOCSETN, (ioctl_t) & tty_normal);
205#endif /* TERMIO */
206
207 cleanup_until(&pintr_disabled);
208}
209
210/*
211 * Push string contents back into tty queue
212 */
213static void
214pushback(const Char *string)
215{
216 const Char *p;
217#ifdef TERMIO
218# ifdef POSIX
219 struct termios tty, tty_normal;
220# else
221 struct termio tty, tty_normal;
222# endif /* POSIX */
223#else
224 struct sgttyb tty, tty_normal;
225#endif /* TERMIO */
226
227 pintr_disabled++;
228 cleanup_push(&pintr_disabled, disabled_cleanup);
229
230#ifdef TERMIO
231# ifdef POSIX
232 (void) tcgetattr(SHOUT, &tty);
233# else
234 (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
235# endif /* POSIX */
236 tty_normal = tty;
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237 tty.c_lflag &= ~(ECHOKE | ECHO | ECHOE | ECHOK | ECHONL |
238#ifndef __QNXNTO__
239 ECHOPRT |
240#endif
241 ECHOCTL);
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242# ifdef POSIX
243 (void) xtcsetattr(SHOUT, TCSANOW, &tty);
244# else
245 (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
246# endif /* POSIX */
247
248 for (p = string; *p != '\0'; p++) {
249 char buf[MB_LEN_MAX];
250 size_t i, len;
251
252 len = one_wctomb(buf, *p & CHAR);
253 for (i = 0; i < len; i++)
254 (void) ioctl(SHOUT, TIOCSTI, (ioctl_t) &buf[i]);
255 }
256# ifdef POSIX
257 (void) xtcsetattr(SHOUT, TCSANOW, &tty_normal);
258# else
259 (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty_normal);
260# endif /* POSIX */
261#else
262 (void) ioctl(SHOUT, TIOCGETP, (ioctl_t) & tty);
263 tty_normal = tty;
264 tty.sg_flags &= ~ECHO;
265 (void) ioctl(SHOUT, TIOCSETN, (ioctl_t) & tty);
266
267 for (p = string; c = *p; p++)
268 (void) ioctl(SHOUT, TIOCSTI, (ioctl_t) & c);
269 (void) ioctl(SHOUT, TIOCSETN, (ioctl_t) & tty_normal);
270#endif /* TERMIO */
271
272 cleanup_until(&pintr_disabled);
273}
274
275static int
276filetype(const Char *dir, const Char *file)
277{
278 Char *path;
279 char *spath;
280 struct stat statb;
281
282 path = Strspl(dir, file);
283 spath = short2str(path);
284 xfree(path);
285 if (lstat(spath, &statb) == 0) {
286 switch (statb.st_mode & S_IFMT) {
287 case S_IFDIR:
288 return ('/');
289
290 case S_IFLNK:
291 if (stat(spath, &statb) == 0 && /* follow it out */
292 S_ISDIR(statb.st_mode))
293 return ('>');
294 else
295 return ('@');
296
297 case S_IFSOCK:
298 return ('=');
299
300 default:
301 if (statb.st_mode & 0111)
302 return ('*');
303 }
304 }
305 return (' ');
306}
307
308/*
309 * Print sorted down columns
310 */
311static void
312print_by_column(const Char *dir, Char *items[], size_t count)
313{
314 struct winsize win;
315 size_t i;
316 int rows, r, c, maxwidth = 0, columns;
317
318 if (ioctl(SHOUT, TIOCGWINSZ, (ioctl_t) & win) < 0 || win.ws_col == 0)
319 win.ws_col = 80;
320 for (i = 0; i < count; i++)
321 maxwidth = maxwidth > (r = Strlen(items[i])) ? maxwidth : r;
322 maxwidth += 2; /* for the file tag and space */
323 columns = win.ws_col / maxwidth;
324 if (columns == 0)
325 columns = 1;
326 rows = (count + (columns - 1)) / columns;
327 for (r = 0; r < rows; r++) {
328 for (c = 0; c < columns; c++) {
329 i = c * rows + r;
330 if (i < count) {
331 int w;
332
333 xprintf("%S", items[i]);
334 xputchar(dir ? filetype(dir, items[i]) : ' ');
335 if (c < columns - 1) { /* last column? */
336 w = Strlen(items[i]) + 1;
337 for (; w < maxwidth; w++)
338 xputchar(' ');
339 }
340 }
341 }
342 xputchar('\r');
343 xputchar('\n');
344 }
345}
346
347/*
348 * Expand file name with possible tilde usage
349 * ~person/mumble
350 * expands to
351 * home_directory_of_person/mumble
352 */
353static Char *
354tilde(const Char *old)
355{
356 const Char *o, *home;
357 struct passwd *pw;
358
359 if (old[0] != '~')
360 return (Strsave(old));
361 old++;
362
363 for (o = old; *o != '\0' && *o != '/'; o++)
364 ;
365 if (o == old)
366 home = varval(STRhome);
367 else {
368 Char *person;
369
370 person = Strnsave(old, o - old);
371 pw = xgetpwnam(short2str(person));
372 xfree(person);
373 if (pw == NULL)
374 return (NULL);
375 home = str2short(pw->pw_dir);
376 }
377 return Strspl(home, o);
378}
379
380/*
381 * Cause pending line to be printed
382 */
383static void
384retype(void)
385{
386#ifdef TERMIO
387# ifdef POSIX
388 struct termios tty;
389
390 (void) tcgetattr(SHOUT, &tty);
391# else
392 struct termio tty;
393
394 (void) ioctl(SHOUT, TCGETA, (ioctl_t) &tty);
395# endif /* POSIX */
396
57e3f2b5 397#ifndef __QNXNTO__
7d8fb588 398 tty.c_lflag |= PENDIN;
57e3f2b5 399#endif
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MS
400
401# ifdef POSIX
402 (void) xtcsetattr(SHOUT, TCSANOW, &tty);
403# else
404 (void) ioctl(SHOUT, TCSETAW, (ioctl_t) &tty);
405# endif /* POSIX */
406#else
407 int pending_input = LPENDIN;
408
409 (void) ioctl(SHOUT, TIOCLBIS, (ioctl_t) & pending_input);
410#endif /* TERMIO */
411}
412
413static void
414beep(void)
415{
416 if (adrof(STRnobeep) == 0)
417#ifdef IS_ASCII
418 (void) xwrite(SHOUT, "\007", 1);
419#else
420 {
421 unsigned char beep_ch = CTL_ESC('\007');
422 (void) xwrite(SHOUT, &beep_ch, 1);
423 }
424#endif
425}
426
427/*
428 * Erase that silly ^[ and
429 * print the recognized part of the string
430 */
431static void
432print_recognized_stuff(const Char *recognized_part)
433{
434 /* An optimized erasing of that silly ^[ */
435 (void) putraw('\b');
436 (void) putraw('\b');
437 switch (Strlen(recognized_part)) {
438
439 case 0: /* erase two Characters: ^[ */
440 (void) putraw(' ');
441 (void) putraw(' ');
442 (void) putraw('\b');
443 (void) putraw('\b');
444 break;
445
446 case 1: /* overstrike the ^, erase the [ */
447 xprintf("%S", recognized_part);
448 (void) putraw(' ');
449 (void) putraw('\b');
450 break;
451
452 default: /* overstrike both Characters ^[ */
453 xprintf("%S", recognized_part);
454 break;
455 }
456 flush();
457}
458
459/*
460 * Parse full path in file into 2 parts: directory and file names
461 * Should leave final slash (/) at end of dir.
462 */
463static void
464extract_dir_and_name(const Char *path, Char **dir, const Char **name)
465{
466 const Char *p;
467
468 p = Strrchr(path, '/');
469 if (p == NULL)
470 p = path;
471 else
472 p++;
473 *name = p;
474 *dir = Strnsave(path, p - path);
475}
476
477static Char *
478getitem(DIR *dir_fd, int looking_for_lognames)
479{
480 struct passwd *pw;
481 struct dirent *dirp;
482
483 if (looking_for_lognames) {
484#ifndef HAVE_GETPWENT
485 return (NULL);
486#else
487 if ((pw = getpwent()) == NULL)
488 return (NULL);
489 return (str2short(pw->pw_name));
490#endif /* atp vmsposix */
491 }
492 if ((dirp = readdir(dir_fd)) != NULL)
493 return (str2short(dirp->d_name));
494 return (NULL);
495}
496
497/*
498 * Perform a RECOGNIZE or LIST command on string "word".
499 */
500static size_t
501tsearch(Char *word, COMMAND command, size_t max_word_length)
502{
503 DIR *dir_fd;
504 int ignoring = TRUE, nignored = 0;
505 int looking_for_lognames;
506 Char *tilded_dir = NULL, *dir = NULL;
507 Char *extended_name = NULL;
508 const Char *name;
509 Char *item;
510 struct blk_buf items = BLK_BUF_INIT;
511 size_t name_length;
512
513 looking_for_lognames = (*word == '~') && (Strchr(word, '/') == NULL);
514 if (looking_for_lognames) {
515#ifdef HAVE_GETPWENT
516 (void) setpwent();
517#endif
518 name = word + 1; /* name sans ~ */
519 dir_fd = NULL;
520 cleanup_push(dir, xfree);
521 }
522 else {
523 extract_dir_and_name(word, &dir, &name);
524 cleanup_push(dir, xfree);
525 tilded_dir = tilde(dir);
526 if (tilded_dir == NULL)
527 goto end;
528 cleanup_push(tilded_dir, xfree);
529 dir_fd = opendir(*tilded_dir ? short2str(tilded_dir) : ".");
530 if (dir_fd == NULL)
531 goto end;
532 }
533
534 name_length = Strlen(name);
535 cleanup_push(&extended_name, xfree_indirect);
536 cleanup_push(&items, bb_cleanup);
537again: /* search for matches */
538 while ((item = getitem(dir_fd, looking_for_lognames)) != NULL) {
539 if (!is_prefix(name, item))
540 continue;
541 /* Don't match . files on null prefix match */
542 if (name_length == 0 && item[0] == '.' &&
543 !looking_for_lognames)
544 continue;
545 if (command == LIST)
546 bb_append(&items, Strsave(item));
547 else { /* RECOGNIZE command */
548 if (ignoring && ignored(item))
549 nignored++;
550 else if (recognize(&extended_name, item, name_length, ++items.len))
551 break;
552 }
553 }
554 if (ignoring && items.len == 0 && nignored > 0) {
555 ignoring = FALSE;
556 nignored = 0;
557 if (looking_for_lognames) {
558#ifdef HAVE_GETPWENT
559 (void) setpwent();
560#endif /* atp vmsposix */
561 } else
562 rewinddir(dir_fd);
563 goto again;
564 }
565
566 if (looking_for_lognames) {
567#ifndef HAVE_GETPWENT
568 (void) endpwent();
569#endif
570 } else
571 xclosedir(dir_fd);
572 if (items.len != 0) {
573 if (command == RECOGNIZE) {
574 if (looking_for_lognames)
575 copyn(word, STRtilde, 2);/*FIXBUF, sort of */
576 else
577 /* put back dir part */
578 copyn(word, dir, max_word_length);/*FIXBUF*/
579 /* add extended name */
580 catn(word, extended_name, max_word_length);/*FIXBUF*/
581 }
582 else { /* LIST */
583 qsort(items.vec, items.len, sizeof(items.vec[0]), compare);
584 print_by_column(looking_for_lognames ? NULL : tilded_dir,
585 items.vec, items.len);
586 }
587 }
588 end:
589 cleanup_until(dir);
590 return items.len;
591}
592
593
594static int
595compare(const void *p, const void *q)
596{
597#ifdef WIDE_STRINGS
598 errno = 0;
599
600 return (wcscoll(*(Char *const *) p, *(Char *const *) q));
601#else
602 char *p1, *q1;
603 int res;
604
605 p1 = strsave(short2str(*(Char *const *) p));
606 q1 = strsave(short2str(*(Char *const *) q));
607# if defined(NLS) && defined(HAVE_STRCOLL)
608 res = strcoll(p1, q1);
609# else
610 res = strcmp(p1, q1);
611# endif /* NLS && HAVE_STRCOLL */
612 xfree (p1);
613 xfree (q1);
614 return res;
615#endif /* not WIDE_STRINGS */
616}
617
618/*
619 * Object: extend what user typed up to an ambiguity.
620 * Algorithm:
621 * On first match, copy full item (assume it'll be the only match)
622 * On subsequent matches, shorten extended_name to the first
623 * Character mismatch between extended_name and item.
624 * If we shorten it back to the prefix length, stop searching.
625 */
626static int
627recognize(Char **extended_name, Char *item, size_t name_length,
628 size_t numitems)
629{
630 if (numitems == 1) /* 1st match */
631 *extended_name = Strsave(item);
632 else { /* 2nd & subsequent matches */
633 Char *x, *ent;
634 size_t len = 0;
635
636 x = *extended_name;
637 for (ent = item; *x && *x == *ent++; x++, len++);
638 *x = '\0'; /* Shorten at 1st Char diff */
639 if (len == name_length) /* Ambiguous to prefix? */
640 return (-1); /* So stop now and save time */
641 }
642 return (0);
643}
644
645/*
646 * Return true if check matches initial Chars in template.
647 * This differs from PWB imatch in that if check is null
648 * it matches anything.
649 */
650static int
651is_prefix(const Char *check, const Char *template)
652{
653 do
654 if (*check == 0)
655 return (TRUE);
656 while (*check++ == *template++);
657 return (FALSE);
658}
659
660/*
661 * Return true if the Chars in template appear at the
662 * end of check, I.e., are it's suffix.
663 */
664static int
665is_suffix(const Char *check, const Char *template)
666{
667 const Char *c, *t;
668
669 for (c = check; *c++;);
670 for (t = template; *t++;);
671 for (;;) {
672 if (t == template)
673 return 1;
674 if (c == check || *--t != *--c)
675 return 0;
676 }
677}
678
679static void
680setup_tty_cleanup(void *dummy)
681{
682 USE(dummy);
683 setup_tty(OFF);
684}
685
686size_t
687tenex(Char *inputline, size_t inputline_size)
688{
689 size_t numitems;
690 ssize_t num_read;
691 char tinputline[BUFSIZE + 1];/*FIXBUF*/
692
693 setup_tty(ON);
694 cleanup_push(&num_read, setup_tty_cleanup); /* num_read is only a marker */
695
696 while ((num_read = xread(SHIN, tinputline, BUFSIZE)) > 0) {/*FIXBUF*/
697 static const Char delims[] = {' ', '\'', '"', '\t', ';', '&', '<',
698 '>', '(', ')', '|', '^', '%', '\0'};
699 Char *str_end, *word_start, last_Char, should_retype;
700 size_t space_left;
701 COMMAND command;
702
703 tinputline[num_read] = 0;
704 Strcpy(inputline, str2short(tinputline));/*FIXBUF*/
705 num_read = Strlen(inputline);
706 last_Char = CTL_ESC(ASC(inputline[num_read - 1]) & ASCII);
707
708 if (last_Char == '\n' || (size_t)num_read == inputline_size)
709 break;
710 command = (last_Char == ESC) ? RECOGNIZE : LIST;
711 if (command == LIST)
712 xputchar('\n');
713 str_end = &inputline[num_read];
714 if (last_Char == ESC)
715 --str_end; /* wipeout trailing cmd Char */
716 *str_end = '\0';
717 /*
718 * Find LAST occurence of a delimiter in the inputline. The word start
719 * is one Character past it.
720 */
721 for (word_start = str_end; word_start > inputline; --word_start)
722 if (Strchr(delims, word_start[-1]))
723 break;
724 space_left = inputline_size - (word_start - inputline) - 1;
725 numitems = tsearch(word_start, command, space_left);
726
727 if (command == RECOGNIZE) {
728 /* print from str_end on */
729 print_recognized_stuff(str_end);
730 if (numitems != 1) /* Beep = No match/ambiguous */
731 beep();
732 }
733
734 /*
735 * Tabs in the input line cause trouble after a pushback. tty driver
736 * won't backspace over them because column positions are now
737 * incorrect. This is solved by retyping over current line.
738 */
739 should_retype = FALSE;
740 if (Strchr(inputline, '\t')) { /* tab Char in input line? */
741 back_to_col_1();
742 should_retype = TRUE;
743 }
744 if (command == LIST) /* Always retype after a LIST */
745 should_retype = TRUE;
746 if (should_retype)
747 printprompt(0, NULL);
748 pushback(inputline);
749 if (should_retype)
750 retype();
751 }
752 cleanup_until(&num_read);
753 return (num_read);
754}
755
756static int
757ignored(const Char *item)
758{
759 struct varent *vp;
760 Char **cp;
761
762 if ((vp = adrof(STRfignore)) == NULL || (cp = vp->vec) == NULL)
763 return (FALSE);
764 for (; *cp != NULL; cp++)
765 if (is_suffix(item, *cp))
766 return (TRUE);
767 return (FALSE);
768}
769#endif /* FILEC && TIOCSTI */