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
55 typedef enum {
56 LIST, RECOGNIZE
57 } COMMAND;
58
59 static void setup_tty (int);
60 static void back_to_col_1 (void);
61 static void pushback (const Char *);
62 static int filetype (const Char *, const Char *);
63 static void print_by_column (const Char *, Char *[], size_t);
64 static Char *tilde (const Char *);
65 static void retype (void);
66 static void beep (void);
67 static void print_recognized_stuff (const Char *);
68 static void extract_dir_and_name (const Char *, Char **, const Char **);
69 static Char *getitem (DIR *, int);
70 static size_t tsearch (Char *, COMMAND, size_t);
71 static int compare (const void *, const void *);
72 static int recognize (Char **, Char *, size_t, size_t);
73 static int is_prefix (const Char *, const Char *);
74 static int is_suffix (const Char *, const Char *);
75 static 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 */
83 int filec = 0;
84
85 static void
setup_tty(int on)86 setup_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 */
159 static void
back_to_col_1(void)160 back_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 */
210 static void
pushback(const Char * string)211 pushback(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
272 static int
filetype(const Char * dir,const Char * file)273 filetype(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 */
308 static void
print_by_column(const Char * dir,Char * items[],size_t count)309 print_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 */
350 static Char *
tilde(const Char * old)351 tilde(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 */
380 static void
retype(void)381 retype(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
410 static void
beep(void)411 beep(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 */
428 static void
print_recognized_stuff(const Char * recognized_part)429 print_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 */
460 static void
extract_dir_and_name(const Char * path,Char ** dir,const Char ** name)461 extract_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
474 static Char *
getitem(DIR * dir_fd,int looking_for_lognames)475 getitem(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 */
497 static size_t
tsearch(Char * word,COMMAND command,size_t max_word_length)498 tsearch(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);
534 again: /* 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
591 static int
compare(const void * p,const void * q)592 compare(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 */
623 static int
recognize(Char ** extended_name,Char * item,size_t name_length,size_t numitems)624 recognize(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 */
647 static int
is_prefix(const Char * check,const Char * template)648 is_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 */
661 static int
is_suffix(const Char * check,const Char * template)662 is_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
676 static void
setup_tty_cleanup(void * dummy)677 setup_tty_cleanup(void *dummy)
678 {
679 USE(dummy);
680 setup_tty(OFF);
681 }
682
683 size_t
tenex(Char * inputline,size_t inputline_size)684 tenex(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
753 static int
ignored(const Char * item)754 ignored(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