Commit | Line | Data |
---|---|---|
d60d9f65 SS |
1 | /* bind.c -- key binding and startup file support for the readline library. */ |
2 | ||
3 | /* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of the GNU Readline Library, a library for | |
6 | reading lines of text with interactive input and history editing. | |
7 | ||
8 | The GNU Readline Library is free software; you can redistribute it | |
9 | and/or modify it under the terms of the GNU General Public License | |
10 | as published by the Free Software Foundation; either version 1, or | |
11 | (at your option) any later version. | |
12 | ||
13 | The GNU Readline Library is distributed in the hope that it will be | |
14 | useful, but WITHOUT ANY WARRANTY; without even the implied warranty | |
15 | of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | The GNU General Public License is often shipped with GNU software, and | |
19 | is generally kept in a file called COPYING or LICENSE. If you do not | |
20 | have a copy of the license, write to the Free Software Foundation, | |
21 | 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
22 | #define READLINE_LIBRARY | |
23 | ||
24 | #if defined (HAVE_CONFIG_H) | |
25 | # include <config.h> | |
26 | #endif | |
27 | ||
28 | #include <stdio.h> | |
29 | #include <sys/types.h> | |
30 | #include <fcntl.h> | |
31 | #if defined (HAVE_SYS_FILE_H) | |
32 | # include <sys/file.h> | |
33 | #endif /* HAVE_SYS_FILE_H */ | |
34 | ||
35 | #if defined (HAVE_UNISTD_H) | |
36 | # include <unistd.h> | |
37 | #endif /* HAVE_UNISTD_H */ | |
38 | ||
39 | #if defined (HAVE_STDLIB_H) | |
40 | # include <stdlib.h> | |
41 | #else | |
42 | # include "ansi_stdlib.h" | |
43 | #endif /* HAVE_STDLIB_H */ | |
44 | ||
45 | #include <signal.h> | |
46 | #include <errno.h> | |
47 | ||
48 | #if !defined (errno) | |
49 | extern int errno; | |
50 | #endif /* !errno */ | |
51 | ||
52 | #include "posixstat.h" | |
53 | ||
54 | /* System-specific feature definitions and include files. */ | |
55 | #include "rldefs.h" | |
56 | ||
57 | /* Some standard library routines. */ | |
58 | #include "readline.h" | |
59 | #include "history.h" | |
60 | ||
61 | #if !defined (strchr) && !defined (__STDC__) | |
62 | extern char *strchr (), *strrchr (); | |
63 | #endif /* !strchr && !__STDC__ */ | |
64 | ||
65 | extern int _rl_horizontal_scroll_mode; | |
66 | extern int _rl_mark_modified_lines; | |
67 | extern int _rl_bell_preference; | |
68 | extern int _rl_meta_flag; | |
69 | extern int _rl_convert_meta_chars_to_ascii; | |
70 | extern int _rl_output_meta_chars; | |
71 | extern int _rl_complete_show_all; | |
72 | extern int _rl_complete_mark_directories; | |
73 | extern int _rl_print_completions_horizontally; | |
74 | extern int _rl_completion_case_fold; | |
75 | extern int _rl_enable_keypad; | |
76 | #if defined (PAREN_MATCHING) | |
77 | extern int rl_blink_matching_paren; | |
78 | #endif /* PAREN_MATCHING */ | |
79 | #if defined (VISIBLE_STATS) | |
80 | extern int rl_visible_stats; | |
81 | #endif /* VISIBLE_STATS */ | |
82 | extern int rl_complete_with_tilde_expansion; | |
83 | extern int rl_completion_query_items; | |
84 | extern int rl_inhibit_completion; | |
85 | extern char *_rl_comment_begin; | |
86 | ||
87 | extern int rl_explicit_arg; | |
88 | extern int rl_editing_mode; | |
89 | extern unsigned char _rl_parsing_conditionalized_out; | |
90 | extern Keymap _rl_keymap; | |
91 | ||
92 | extern char *possible_control_prefixes[], *possible_meta_prefixes[]; | |
93 | ||
94 | /* Functions imported from funmap.c */ | |
95 | extern char **rl_funmap_names (); | |
96 | extern int rl_add_funmap_entry (); | |
97 | ||
98 | /* Functions imported from util.c */ | |
99 | extern char *_rl_strindex (); | |
100 | ||
101 | /* Functions imported from shell.c */ | |
102 | extern char *get_env_value (); | |
103 | ||
104 | /* Variables exported by this file. */ | |
105 | Keymap rl_binding_keymap; | |
106 | ||
107 | /* Forward declarations */ | |
108 | void rl_set_keymap_from_edit_mode (); | |
109 | ||
110 | static int _rl_read_init_file (); | |
111 | static int glean_key_from_name (); | |
112 | static int substring_member_of_array (); | |
113 | ||
114 | extern char *xmalloc (), *xrealloc (); | |
115 | ||
116 | /* **************************************************************** */ | |
117 | /* */ | |
118 | /* Binding keys */ | |
119 | /* */ | |
120 | /* **************************************************************** */ | |
121 | ||
122 | /* rl_add_defun (char *name, Function *function, int key) | |
123 | Add NAME to the list of named functions. Make FUNCTION be the function | |
124 | that gets called. If KEY is not -1, then bind it. */ | |
125 | int | |
126 | rl_add_defun (name, function, key) | |
127 | char *name; | |
128 | Function *function; | |
129 | int key; | |
130 | { | |
131 | if (key != -1) | |
132 | rl_bind_key (key, function); | |
133 | rl_add_funmap_entry (name, function); | |
134 | return 0; | |
135 | } | |
136 | ||
137 | /* Bind KEY to FUNCTION. Returns non-zero if KEY is out of range. */ | |
138 | int | |
139 | rl_bind_key (key, function) | |
140 | int key; | |
141 | Function *function; | |
142 | { | |
143 | if (key < 0) | |
144 | return (key); | |
145 | ||
146 | if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii) | |
147 | { | |
148 | if (_rl_keymap[ESC].type == ISKMAP) | |
149 | { | |
150 | Keymap escmap; | |
151 | ||
152 | escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC); | |
153 | key = UNMETA (key); | |
154 | escmap[key].type = ISFUNC; | |
155 | escmap[key].function = function; | |
156 | return (0); | |
157 | } | |
158 | return (key); | |
159 | } | |
160 | ||
161 | _rl_keymap[key].type = ISFUNC; | |
162 | _rl_keymap[key].function = function; | |
163 | rl_binding_keymap = _rl_keymap; | |
164 | return (0); | |
165 | } | |
166 | ||
167 | /* Bind KEY to FUNCTION in MAP. Returns non-zero in case of invalid | |
168 | KEY. */ | |
169 | int | |
170 | rl_bind_key_in_map (key, function, map) | |
171 | int key; | |
172 | Function *function; | |
173 | Keymap map; | |
174 | { | |
175 | int result; | |
176 | Keymap oldmap; | |
177 | ||
178 | oldmap = _rl_keymap; | |
179 | _rl_keymap = map; | |
180 | result = rl_bind_key (key, function); | |
181 | _rl_keymap = oldmap; | |
182 | return (result); | |
183 | } | |
184 | ||
185 | /* Make KEY do nothing in the currently selected keymap. | |
186 | Returns non-zero in case of error. */ | |
187 | int | |
188 | rl_unbind_key (key) | |
189 | int key; | |
190 | { | |
191 | return (rl_bind_key (key, (Function *)NULL)); | |
192 | } | |
193 | ||
194 | /* Make KEY do nothing in MAP. | |
195 | Returns non-zero in case of error. */ | |
196 | int | |
197 | rl_unbind_key_in_map (key, map) | |
198 | int key; | |
199 | Keymap map; | |
200 | { | |
201 | return (rl_bind_key_in_map (key, (Function *)NULL, map)); | |
202 | } | |
203 | ||
204 | /* Unbind all keys bound to FUNCTION in MAP. */ | |
205 | int | |
206 | rl_unbind_function_in_map (func, map) | |
207 | Function *func; | |
208 | Keymap map; | |
209 | { | |
210 | register int i; | |
211 | ||
212 | for (i = 0; i < KEYMAP_SIZE; i++) | |
213 | { | |
214 | if (map[i].type == ISFUNC && map[i].function == func) | |
215 | map[i].function = (Function *)NULL; | |
216 | } | |
217 | } | |
218 | ||
219 | int | |
220 | rl_unbind_command_in_map (command, map) | |
221 | char *command; | |
222 | Keymap map; | |
223 | { | |
224 | Function *func; | |
225 | register int i; | |
226 | ||
227 | func = rl_named_function (command); | |
228 | if (func == 0) | |
229 | return 0; | |
230 | return (rl_unbind_function_in_map (func, map)); | |
231 | } | |
232 | ||
233 | /* Bind the key sequence represented by the string KEYSEQ to | |
234 | FUNCTION. This makes new keymaps as necessary. The initial | |
235 | place to do bindings is in MAP. */ | |
236 | int | |
237 | rl_set_key (keyseq, function, map) | |
238 | char *keyseq; | |
239 | Function *function; | |
240 | Keymap map; | |
241 | { | |
242 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); | |
243 | } | |
244 | ||
245 | /* Bind the key sequence represented by the string KEYSEQ to | |
246 | the string of characters MACRO. This makes new keymaps as | |
247 | necessary. The initial place to do bindings is in MAP. */ | |
248 | int | |
249 | rl_macro_bind (keyseq, macro, map) | |
250 | char *keyseq, *macro; | |
251 | Keymap map; | |
252 | { | |
253 | char *macro_keys; | |
254 | int macro_keys_len; | |
255 | ||
256 | macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1); | |
257 | ||
258 | if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len)) | |
259 | { | |
260 | free (macro_keys); | |
261 | return -1; | |
262 | } | |
263 | rl_generic_bind (ISMACR, keyseq, macro_keys, map); | |
264 | return 0; | |
265 | } | |
266 | ||
267 | /* Bind the key sequence represented by the string KEYSEQ to | |
268 | the arbitrary pointer DATA. TYPE says what kind of data is | |
269 | pointed to by DATA, right now this can be a function (ISFUNC), | |
270 | a macro (ISMACR), or a keymap (ISKMAP). This makes new keymaps | |
271 | as necessary. The initial place to do bindings is in MAP. */ | |
272 | int | |
273 | rl_generic_bind (type, keyseq, data, map) | |
274 | int type; | |
275 | char *keyseq, *data; | |
276 | Keymap map; | |
277 | { | |
278 | char *keys; | |
279 | int keys_len; | |
280 | register int i; | |
281 | ||
282 | /* If no keys to bind to, exit right away. */ | |
283 | if (!keyseq || !*keyseq) | |
284 | { | |
285 | if (type == ISMACR) | |
286 | free (data); | |
287 | return -1; | |
288 | } | |
289 | ||
290 | keys = xmalloc (1 + (2 * strlen (keyseq))); | |
291 | ||
292 | /* Translate the ASCII representation of KEYSEQ into an array of | |
293 | characters. Stuff the characters into KEYS, and the length of | |
294 | KEYS into KEYS_LEN. */ | |
295 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) | |
296 | { | |
297 | free (keys); | |
298 | return -1; | |
299 | } | |
300 | ||
301 | /* Bind keys, making new keymaps as necessary. */ | |
302 | for (i = 0; i < keys_len; i++) | |
303 | { | |
304 | int ic = (int) ((unsigned char)keys[i]); | |
305 | ||
306 | if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic)) | |
307 | { | |
308 | ic = UNMETA (ic); | |
309 | if (map[ESC].type == ISKMAP) | |
310 | map = FUNCTION_TO_KEYMAP (map, ESC); | |
311 | } | |
312 | ||
313 | if ((i + 1) < keys_len) | |
314 | { | |
315 | if (map[ic].type != ISKMAP) | |
316 | { | |
317 | if (map[ic].type == ISMACR) | |
318 | free ((char *)map[ic].function); | |
319 | ||
320 | map[ic].type = ISKMAP; | |
321 | map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap()); | |
322 | } | |
323 | map = FUNCTION_TO_KEYMAP (map, ic); | |
324 | } | |
325 | else | |
326 | { | |
327 | if (map[ic].type == ISMACR) | |
328 | free ((char *)map[ic].function); | |
329 | ||
330 | map[ic].function = KEYMAP_TO_FUNCTION (data); | |
331 | map[ic].type = type; | |
332 | } | |
333 | ||
334 | rl_binding_keymap = map; | |
335 | } | |
336 | free (keys); | |
337 | return 0; | |
338 | } | |
339 | ||
340 | /* Translate the ASCII representation of SEQ, stuffing the values into ARRAY, | |
341 | an array of characters. LEN gets the final length of ARRAY. Return | |
342 | non-zero if there was an error parsing SEQ. */ | |
343 | int | |
344 | rl_translate_keyseq (seq, array, len) | |
345 | char *seq, *array; | |
346 | int *len; | |
347 | { | |
348 | register int i, c, l, temp; | |
349 | ||
350 | for (i = l = 0; c = seq[i]; i++) | |
351 | { | |
352 | if (c == '\\') | |
353 | { | |
354 | c = seq[++i]; | |
355 | ||
356 | if (c == 0) | |
357 | break; | |
358 | ||
359 | /* Handle \C- and \M- prefixes. */ | |
360 | if ((c == 'C' || c == 'M') && seq[i + 1] == '-') | |
361 | { | |
362 | /* Handle special case of backwards define. */ | |
363 | if (strncmp (&seq[i], "C-\\M-", 5) == 0) | |
364 | { | |
365 | array[l++] = ESC; | |
366 | i += 5; | |
367 | array[l++] = CTRL (_rl_to_upper (seq[i])); | |
368 | if (seq[i] == '\0') | |
369 | i--; | |
370 | } | |
371 | else if (c == 'M') | |
372 | { | |
373 | i++; | |
374 | array[l++] = ESC; /* XXX */ | |
375 | } | |
376 | else if (c == 'C') | |
377 | { | |
378 | i += 2; | |
379 | /* Special hack for C-?... */ | |
380 | array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i])); | |
381 | } | |
382 | continue; | |
383 | } | |
384 | ||
385 | /* Translate other backslash-escaped characters. These are the | |
386 | same escape sequences that bash's `echo' and `printf' builtins | |
387 | handle, with the addition of \d -> RUBOUT. A backslash | |
388 | preceding a character that is not special is stripped. */ | |
389 | switch (c) | |
390 | { | |
391 | case 'a': | |
392 | array[l++] = '\007'; | |
393 | break; | |
394 | case 'b': | |
395 | array[l++] = '\b'; | |
396 | break; | |
397 | case 'd': | |
398 | array[l++] = RUBOUT; /* readline-specific */ | |
399 | break; | |
400 | case 'e': | |
401 | array[l++] = ESC; | |
402 | break; | |
403 | case 'f': | |
404 | array[l++] = '\f'; | |
405 | break; | |
406 | case 'n': | |
407 | array[l++] = NEWLINE; | |
408 | break; | |
409 | case 'r': | |
410 | array[l++] = RETURN; | |
411 | break; | |
412 | case 't': | |
413 | array[l++] = TAB; | |
414 | break; | |
415 | case 'v': | |
416 | array[l++] = 0x0B; | |
417 | break; | |
418 | case '\\': | |
419 | array[l++] = '\\'; | |
420 | break; | |
421 | case '0': case '1': case '2': case '3': | |
422 | case '4': case '5': case '6': case '7': | |
423 | i++; | |
424 | for (temp = 2, c -= '0'; ISOCTAL (seq[i]) && temp--; i++) | |
425 | c = (c * 8) + OCTVALUE (seq[i]); | |
426 | i--; /* auto-increment in for loop */ | |
427 | array[l++] = c % (largest_char + 1); | |
428 | break; | |
429 | case 'x': | |
430 | i++; | |
431 | for (temp = 3, c = 0; isxdigit (seq[i]) && temp--; i++) | |
432 | c = (c * 16) + HEXVALUE (seq[i]); | |
433 | if (temp == 3) | |
434 | c = 'x'; | |
435 | i--; /* auto-increment in for loop */ | |
436 | array[l++] = c % (largest_char + 1); | |
437 | break; | |
438 | default: /* backslashes before non-special chars just add the char */ | |
439 | array[l++] = c; | |
440 | break; /* the backslash is stripped */ | |
441 | } | |
442 | continue; | |
443 | } | |
444 | ||
445 | array[l++] = c; | |
446 | } | |
447 | ||
448 | *len = l; | |
449 | array[l] = '\0'; | |
450 | return (0); | |
451 | } | |
452 | ||
453 | char * | |
454 | rl_untranslate_keyseq (seq) | |
455 | int seq; | |
456 | { | |
457 | static char kseq[16]; | |
458 | int i, c; | |
459 | ||
460 | i = 0; | |
461 | c = seq; | |
462 | if (META_CHAR (c)) | |
463 | { | |
464 | kseq[i++] = '\\'; | |
465 | kseq[i++] = 'M'; | |
466 | kseq[i++] = '-'; | |
467 | c = UNMETA (c); | |
468 | } | |
469 | else if (CTRL_CHAR (c)) | |
470 | { | |
471 | kseq[i++] = '\\'; | |
472 | kseq[i++] = 'C'; | |
473 | kseq[i++] = '-'; | |
474 | c = _rl_to_lower (UNCTRL (c)); | |
475 | } | |
476 | else if (c == RUBOUT) | |
477 | { | |
478 | kseq[i++] = '\\'; | |
479 | kseq[i++] = 'C'; | |
480 | kseq[i++] = '-'; | |
481 | c = '?'; | |
482 | } | |
483 | ||
484 | if (c == ESC) | |
485 | { | |
486 | kseq[i++] = '\\'; | |
487 | c = 'e'; | |
488 | } | |
489 | else if (c == '\\' || c == '"') | |
490 | { | |
491 | kseq[i++] = '\\'; | |
492 | } | |
493 | ||
494 | kseq[i++] = (unsigned char) c; | |
495 | kseq[i] = '\0'; | |
496 | return kseq; | |
497 | } | |
498 | ||
499 | static char * | |
500 | _rl_untranslate_macro_value (seq) | |
501 | char *seq; | |
502 | { | |
503 | char *ret, *r, *s; | |
504 | int c; | |
505 | ||
506 | r = ret = xmalloc (7 * strlen (seq) + 1); | |
507 | for (s = seq; *s; s++) | |
508 | { | |
509 | c = *s; | |
510 | if (META_CHAR (c)) | |
511 | { | |
512 | *r++ = '\\'; | |
513 | *r++ = 'M'; | |
514 | *r++ = '-'; | |
515 | c = UNMETA (c); | |
516 | } | |
517 | else if (CTRL_CHAR (c) && c != ESC) | |
518 | { | |
519 | *r++ = '\\'; | |
520 | *r++ = 'C'; | |
521 | *r++ = '-'; | |
522 | c = _rl_to_lower (UNCTRL (c)); | |
523 | } | |
524 | else if (c == RUBOUT) | |
525 | { | |
526 | *r++ = '\\'; | |
527 | *r++ = 'C'; | |
528 | *r++ = '-'; | |
529 | c = '?'; | |
530 | } | |
531 | ||
532 | if (c == ESC) | |
533 | { | |
534 | *r++ = '\\'; | |
535 | c = 'e'; | |
536 | } | |
537 | else if (c == '\\' || c == '"') | |
538 | *r++ = '\\'; | |
539 | ||
540 | *r++ = (unsigned char)c; | |
541 | } | |
542 | *r = '\0'; | |
543 | return ret; | |
544 | } | |
545 | ||
546 | /* Return a pointer to the function that STRING represents. | |
547 | If STRING doesn't have a matching function, then a NULL pointer | |
548 | is returned. */ | |
549 | Function * | |
550 | rl_named_function (string) | |
551 | char *string; | |
552 | { | |
553 | register int i; | |
554 | ||
555 | rl_initialize_funmap (); | |
556 | ||
557 | for (i = 0; funmap[i]; i++) | |
558 | if (_rl_stricmp (funmap[i]->name, string) == 0) | |
559 | return (funmap[i]->function); | |
560 | return ((Function *)NULL); | |
561 | } | |
562 | ||
563 | /* Return the function (or macro) definition which would be invoked via | |
564 | KEYSEQ if executed in MAP. If MAP is NULL, then the current keymap is | |
565 | used. TYPE, if non-NULL, is a pointer to an int which will receive the | |
566 | type of the object pointed to. One of ISFUNC (function), ISKMAP (keymap), | |
567 | or ISMACR (macro). */ | |
568 | Function * | |
569 | rl_function_of_keyseq (keyseq, map, type) | |
570 | char *keyseq; | |
571 | Keymap map; | |
572 | int *type; | |
573 | { | |
574 | register int i; | |
575 | ||
576 | if (!map) | |
577 | map = _rl_keymap; | |
578 | ||
579 | for (i = 0; keyseq && keyseq[i]; i++) | |
580 | { | |
581 | int ic = keyseq[i]; | |
582 | ||
583 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) | |
584 | { | |
585 | if (map[ESC].type != ISKMAP) | |
586 | { | |
587 | if (type) | |
588 | *type = map[ESC].type; | |
589 | ||
590 | return (map[ESC].function); | |
591 | } | |
592 | else | |
593 | { | |
594 | map = FUNCTION_TO_KEYMAP (map, ESC); | |
595 | ic = UNMETA (ic); | |
596 | } | |
597 | } | |
598 | ||
599 | if (map[ic].type == ISKMAP) | |
600 | { | |
601 | /* If this is the last key in the key sequence, return the | |
602 | map. */ | |
603 | if (!keyseq[i + 1]) | |
604 | { | |
605 | if (type) | |
606 | *type = ISKMAP; | |
607 | ||
608 | return (map[ic].function); | |
609 | } | |
610 | else | |
611 | map = FUNCTION_TO_KEYMAP (map, ic); | |
612 | } | |
613 | else | |
614 | { | |
615 | if (type) | |
616 | *type = map[ic].type; | |
617 | ||
618 | return (map[ic].function); | |
619 | } | |
620 | } | |
621 | return ((Function *) NULL); | |
622 | } | |
623 | ||
624 | /* The last key bindings file read. */ | |
625 | static char *last_readline_init_file = (char *)NULL; | |
626 | ||
627 | /* The file we're currently reading key bindings from. */ | |
628 | static char *current_readline_init_file; | |
629 | static int current_readline_init_include_level; | |
630 | static int current_readline_init_lineno; | |
631 | ||
632 | /* Read FILENAME into a locally-allocated buffer and return the buffer. | |
633 | The size of the buffer is returned in *SIZEP. Returns NULL if any | |
634 | errors were encountered. */ | |
635 | static char * | |
636 | _rl_read_file (filename, sizep) | |
637 | char *filename; | |
638 | size_t *sizep; | |
639 | { | |
640 | struct stat finfo; | |
641 | size_t file_size; | |
642 | char *buffer; | |
643 | int i, file; | |
644 | ||
645 | if ((stat (filename, &finfo) < 0) || (file = open (filename, O_RDONLY, 0666)) < 0) | |
646 | return ((char *)NULL); | |
647 | ||
648 | file_size = (size_t)finfo.st_size; | |
649 | ||
650 | /* check for overflow on very large files */ | |
651 | if (file_size != finfo.st_size || file_size + 1 < file_size) | |
652 | { | |
653 | if (file >= 0) | |
654 | close (file); | |
655 | #if defined (EFBIG) | |
656 | errno = EFBIG; | |
657 | #endif | |
658 | return ((char *)NULL); | |
659 | } | |
660 | ||
661 | /* Read the file into BUFFER. */ | |
662 | buffer = (char *)xmalloc (file_size + 1); | |
663 | i = read (file, buffer, file_size); | |
664 | close (file); | |
665 | ||
666 | if (i < file_size) | |
667 | { | |
668 | free (buffer); | |
669 | return ((char *)NULL); | |
670 | } | |
671 | ||
672 | buffer[file_size] = '\0'; | |
673 | if (sizep) | |
674 | *sizep = file_size; | |
675 | return (buffer); | |
676 | } | |
677 | ||
678 | /* Re-read the current keybindings file. */ | |
679 | int | |
680 | rl_re_read_init_file (count, ignore) | |
681 | int count, ignore; | |
682 | { | |
683 | int r; | |
684 | r = rl_read_init_file ((char *)NULL); | |
685 | rl_set_keymap_from_edit_mode (); | |
686 | return r; | |
687 | } | |
688 | ||
689 | /* Do key bindings from a file. If FILENAME is NULL it defaults | |
690 | to the first non-null filename from this list: | |
691 | 1. the filename used for the previous call | |
692 | 2. the value of the shell variable `INPUTRC' | |
693 | 3. ~/.inputrc | |
694 | If the file existed and could be opened and read, 0 is returned, | |
695 | otherwise errno is returned. */ | |
696 | int | |
697 | rl_read_init_file (filename) | |
698 | char *filename; | |
699 | { | |
700 | /* Default the filename. */ | |
701 | if (filename == 0) | |
702 | { | |
703 | filename = last_readline_init_file; | |
704 | if (filename == 0) | |
705 | filename = get_env_value ("INPUTRC"); | |
706 | if (filename == 0) | |
707 | filename = DEFAULT_INPUTRC; | |
708 | } | |
709 | ||
710 | if (*filename == 0) | |
711 | filename = DEFAULT_INPUTRC; | |
712 | ||
713 | return (_rl_read_init_file (filename, 0)); | |
714 | } | |
715 | ||
716 | static int | |
717 | _rl_read_init_file (filename, include_level) | |
718 | char *filename; | |
719 | int include_level; | |
720 | { | |
721 | register int i; | |
722 | char *buffer, *openname, *line, *end; | |
723 | size_t file_size; | |
724 | ||
725 | current_readline_init_file = filename; | |
726 | current_readline_init_include_level = include_level; | |
727 | ||
728 | openname = tilde_expand (filename); | |
729 | buffer = _rl_read_file (openname, &file_size); | |
730 | if (buffer == 0) | |
731 | return (errno); | |
732 | ||
733 | if (include_level == 0 && filename != last_readline_init_file) | |
734 | { | |
735 | FREE (last_readline_init_file); | |
736 | last_readline_init_file = savestring (filename); | |
737 | } | |
738 | ||
739 | /* Loop over the lines in the file. Lines that start with `#' are | |
740 | comments; all other lines are commands for readline initialization. */ | |
741 | current_readline_init_lineno = 1; | |
742 | line = buffer; | |
743 | end = buffer + file_size; | |
744 | while (line < end) | |
745 | { | |
746 | /* Find the end of this line. */ | |
747 | for (i = 0; line + i != end && line[i] != '\n'; i++); | |
748 | ||
749 | /* Mark end of line. */ | |
750 | line[i] = '\0'; | |
751 | ||
752 | /* Skip leading whitespace. */ | |
753 | while (*line && whitespace (*line)) | |
754 | { | |
755 | line++; | |
756 | i--; | |
757 | } | |
758 | ||
759 | /* If the line is not a comment, then parse it. */ | |
760 | if (*line && *line != '#') | |
761 | rl_parse_and_bind (line); | |
762 | ||
763 | /* Move to the next line. */ | |
764 | line += i + 1; | |
765 | current_readline_init_lineno++; | |
766 | } | |
767 | ||
768 | free (buffer); | |
769 | return (0); | |
770 | } | |
771 | ||
772 | static void | |
773 | _rl_init_file_error (msg) | |
774 | char *msg; | |
775 | { | |
776 | fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file, | |
777 | current_readline_init_lineno, | |
778 | msg); | |
779 | } | |
780 | ||
781 | /* **************************************************************** */ | |
782 | /* */ | |
783 | /* Parser Directives */ | |
784 | /* */ | |
785 | /* **************************************************************** */ | |
786 | ||
787 | /* Conditionals. */ | |
788 | ||
789 | /* Calling programs set this to have their argv[0]. */ | |
790 | char *rl_readline_name = "other"; | |
791 | ||
792 | /* Stack of previous values of parsing_conditionalized_out. */ | |
793 | static unsigned char *if_stack = (unsigned char *)NULL; | |
794 | static int if_stack_depth; | |
795 | static int if_stack_size; | |
796 | ||
797 | /* Push _rl_parsing_conditionalized_out, and set parser state based | |
798 | on ARGS. */ | |
799 | static int | |
800 | parser_if (args) | |
801 | char *args; | |
802 | { | |
803 | register int i; | |
804 | ||
805 | /* Push parser state. */ | |
806 | if (if_stack_depth + 1 >= if_stack_size) | |
807 | { | |
808 | if (!if_stack) | |
809 | if_stack = (unsigned char *)xmalloc (if_stack_size = 20); | |
810 | else | |
811 | if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20); | |
812 | } | |
813 | if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out; | |
814 | ||
815 | /* If parsing is turned off, then nothing can turn it back on except | |
816 | for finding the matching endif. In that case, return right now. */ | |
817 | if (_rl_parsing_conditionalized_out) | |
818 | return 0; | |
819 | ||
820 | /* Isolate first argument. */ | |
821 | for (i = 0; args[i] && !whitespace (args[i]); i++); | |
822 | ||
823 | if (args[i]) | |
824 | args[i++] = '\0'; | |
825 | ||
826 | /* Handle "$if term=foo" and "$if mode=emacs" constructs. If this | |
827 | isn't term=foo, or mode=emacs, then check to see if the first | |
828 | word in ARGS is the same as the value stored in rl_readline_name. */ | |
829 | if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0) | |
830 | { | |
831 | char *tem, *tname; | |
832 | ||
833 | /* Terminals like "aaa-60" are equivalent to "aaa". */ | |
834 | tname = savestring (rl_terminal_name); | |
835 | tem = strchr (tname, '-'); | |
836 | if (tem) | |
837 | *tem = '\0'; | |
838 | ||
839 | /* Test the `long' and `short' forms of the terminal name so that | |
840 | if someone has a `sun-cmd' and does not want to have bindings | |
841 | that will be executed if the terminal is a `sun', they can put | |
842 | `$if term=sun-cmd' into their .inputrc. */ | |
843 | _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) && | |
844 | _rl_stricmp (args + 5, rl_terminal_name); | |
845 | free (tname); | |
846 | } | |
847 | #if defined (VI_MODE) | |
848 | else if (_rl_strnicmp (args, "mode=", 5) == 0) | |
849 | { | |
850 | int mode; | |
851 | ||
852 | if (_rl_stricmp (args + 5, "emacs") == 0) | |
853 | mode = emacs_mode; | |
854 | else if (_rl_stricmp (args + 5, "vi") == 0) | |
855 | mode = vi_mode; | |
856 | else | |
857 | mode = no_mode; | |
858 | ||
859 | _rl_parsing_conditionalized_out = mode != rl_editing_mode; | |
860 | } | |
861 | #endif /* VI_MODE */ | |
862 | /* Check to see if the first word in ARGS is the same as the | |
863 | value stored in rl_readline_name. */ | |
864 | else if (_rl_stricmp (args, rl_readline_name) == 0) | |
865 | _rl_parsing_conditionalized_out = 0; | |
866 | else | |
867 | _rl_parsing_conditionalized_out = 1; | |
868 | return 0; | |
869 | } | |
870 | ||
871 | /* Invert the current parser state if there is anything on the stack. */ | |
872 | static int | |
873 | parser_else (args) | |
874 | char *args; | |
875 | { | |
876 | register int i; | |
877 | ||
878 | if (if_stack_depth == 0) | |
879 | { | |
880 | _rl_init_file_error ("$else found without matching $if"); | |
881 | return 0; | |
882 | } | |
883 | ||
884 | /* Check the previous (n - 1) levels of the stack to make sure that | |
885 | we haven't previously turned off parsing. */ | |
886 | for (i = 0; i < if_stack_depth - 1; i++) | |
887 | if (if_stack[i] == 1) | |
888 | return 0; | |
889 | ||
890 | /* Invert the state of parsing if at top level. */ | |
891 | _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out; | |
892 | return 0; | |
893 | } | |
894 | ||
895 | /* Terminate a conditional, popping the value of | |
896 | _rl_parsing_conditionalized_out from the stack. */ | |
897 | static int | |
898 | parser_endif (args) | |
899 | char *args; | |
900 | { | |
901 | if (if_stack_depth) | |
902 | _rl_parsing_conditionalized_out = if_stack[--if_stack_depth]; | |
903 | else | |
904 | _rl_init_file_error ("$endif without matching $if"); | |
905 | return 0; | |
906 | } | |
907 | ||
908 | static int | |
909 | parser_include (args) | |
910 | char *args; | |
911 | { | |
912 | char *old_init_file, *e; | |
913 | int old_line_number, old_include_level, r; | |
914 | ||
915 | if (_rl_parsing_conditionalized_out) | |
916 | return (0); | |
917 | ||
918 | old_init_file = current_readline_init_file; | |
919 | old_line_number = current_readline_init_lineno; | |
920 | old_include_level = current_readline_init_include_level; | |
921 | ||
922 | e = strchr (args, '\n'); | |
923 | if (e) | |
924 | *e = '\0'; | |
925 | r = _rl_read_init_file (args, old_include_level + 1); | |
926 | ||
927 | current_readline_init_file = old_init_file; | |
928 | current_readline_init_lineno = old_line_number; | |
929 | current_readline_init_include_level = old_include_level; | |
930 | ||
931 | return r; | |
932 | } | |
933 | ||
934 | /* Associate textual names with actual functions. */ | |
935 | static struct { | |
936 | char *name; | |
937 | Function *function; | |
938 | } parser_directives [] = { | |
939 | { "if", parser_if }, | |
940 | { "endif", parser_endif }, | |
941 | { "else", parser_else }, | |
942 | { "include", parser_include }, | |
943 | { (char *)0x0, (Function *)0x0 } | |
944 | }; | |
945 | ||
946 | /* Handle a parser directive. STATEMENT is the line of the directive | |
947 | without any leading `$'. */ | |
948 | static int | |
949 | handle_parser_directive (statement) | |
950 | char *statement; | |
951 | { | |
952 | register int i; | |
953 | char *directive, *args; | |
954 | ||
955 | /* Isolate the actual directive. */ | |
956 | ||
957 | /* Skip whitespace. */ | |
958 | for (i = 0; whitespace (statement[i]); i++); | |
959 | ||
960 | directive = &statement[i]; | |
961 | ||
962 | for (; statement[i] && !whitespace (statement[i]); i++); | |
963 | ||
964 | if (statement[i]) | |
965 | statement[i++] = '\0'; | |
966 | ||
967 | for (; statement[i] && whitespace (statement[i]); i++); | |
968 | ||
969 | args = &statement[i]; | |
970 | ||
971 | /* Lookup the command, and act on it. */ | |
972 | for (i = 0; parser_directives[i].name; i++) | |
973 | if (_rl_stricmp (directive, parser_directives[i].name) == 0) | |
974 | { | |
975 | (*parser_directives[i].function) (args); | |
976 | return (0); | |
977 | } | |
978 | ||
979 | /* display an error message about the unknown parser directive */ | |
980 | _rl_init_file_error ("unknown parser directive"); | |
981 | return (1); | |
982 | } | |
983 | ||
984 | /* Read the binding command from STRING and perform it. | |
985 | A key binding command looks like: Keyname: function-name\0, | |
986 | a variable binding command looks like: set variable value. | |
987 | A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */ | |
988 | int | |
989 | rl_parse_and_bind (string) | |
990 | char *string; | |
991 | { | |
992 | char *funname, *kname; | |
993 | register int c, i; | |
994 | int key, equivalency; | |
995 | ||
996 | while (string && whitespace (*string)) | |
997 | string++; | |
998 | ||
999 | if (!string || !*string || *string == '#') | |
1000 | return 0; | |
1001 | ||
1002 | /* If this is a parser directive, act on it. */ | |
1003 | if (*string == '$') | |
1004 | { | |
1005 | handle_parser_directive (&string[1]); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | /* If we aren't supposed to be parsing right now, then we're done. */ | |
1010 | if (_rl_parsing_conditionalized_out) | |
1011 | return 0; | |
1012 | ||
1013 | i = 0; | |
1014 | /* If this keyname is a complex key expression surrounded by quotes, | |
1015 | advance to after the matching close quote. This code allows the | |
1016 | backslash to quote characters in the key expression. */ | |
1017 | if (*string == '"') | |
1018 | { | |
1019 | int passc = 0; | |
1020 | ||
1021 | for (i = 1; c = string[i]; i++) | |
1022 | { | |
1023 | if (passc) | |
1024 | { | |
1025 | passc = 0; | |
1026 | continue; | |
1027 | } | |
1028 | ||
1029 | if (c == '\\') | |
1030 | { | |
1031 | passc++; | |
1032 | continue; | |
1033 | } | |
1034 | ||
1035 | if (c == '"') | |
1036 | break; | |
1037 | } | |
1038 | /* If we didn't find a closing quote, abort the line. */ | |
1039 | if (string[i] == '\0') | |
1040 | { | |
1041 | _rl_init_file_error ("no closing `\"' in key binding"); | |
1042 | return 1; | |
1043 | } | |
1044 | } | |
1045 | ||
1046 | /* Advance to the colon (:) or whitespace which separates the two objects. */ | |
1047 | for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ ); | |
1048 | ||
1049 | equivalency = (c == ':' && string[i + 1] == '='); | |
1050 | ||
1051 | /* Mark the end of the command (or keyname). */ | |
1052 | if (string[i]) | |
1053 | string[i++] = '\0'; | |
1054 | ||
1055 | /* If doing assignment, skip the '=' sign as well. */ | |
1056 | if (equivalency) | |
1057 | string[i++] = '\0'; | |
1058 | ||
1059 | /* If this is a command to set a variable, then do that. */ | |
1060 | if (_rl_stricmp (string, "set") == 0) | |
1061 | { | |
1062 | char *var = string + i; | |
1063 | char *value; | |
1064 | ||
1065 | /* Make VAR point to start of variable name. */ | |
1066 | while (*var && whitespace (*var)) var++; | |
1067 | ||
1068 | /* Make value point to start of value string. */ | |
1069 | value = var; | |
1070 | while (*value && !whitespace (*value)) value++; | |
1071 | if (*value) | |
1072 | *value++ = '\0'; | |
1073 | while (*value && whitespace (*value)) value++; | |
1074 | ||
1075 | rl_variable_bind (var, value); | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | /* Skip any whitespace between keyname and funname. */ | |
1080 | for (; string[i] && whitespace (string[i]); i++); | |
1081 | funname = &string[i]; | |
1082 | ||
1083 | /* Now isolate funname. | |
1084 | For straight function names just look for whitespace, since | |
1085 | that will signify the end of the string. But this could be a | |
1086 | macro definition. In that case, the string is quoted, so skip | |
1087 | to the matching delimiter. We allow the backslash to quote the | |
1088 | delimiter characters in the macro body. */ | |
1089 | /* This code exists to allow whitespace in macro expansions, which | |
1090 | would otherwise be gobbled up by the next `for' loop.*/ | |
1091 | /* XXX - it may be desirable to allow backslash quoting only if " is | |
1092 | the quoted string delimiter, like the shell. */ | |
1093 | if (*funname == '\'' || *funname == '"') | |
1094 | { | |
1095 | int delimiter = string[i++], passc; | |
1096 | ||
1097 | for (passc = 0; c = string[i]; i++) | |
1098 | { | |
1099 | if (passc) | |
1100 | { | |
1101 | passc = 0; | |
1102 | continue; | |
1103 | } | |
1104 | ||
1105 | if (c == '\\') | |
1106 | { | |
1107 | passc = 1; | |
1108 | continue; | |
1109 | } | |
1110 | ||
1111 | if (c == delimiter) | |
1112 | break; | |
1113 | } | |
1114 | if (c) | |
1115 | i++; | |
1116 | } | |
1117 | ||
1118 | /* Advance to the end of the string. */ | |
1119 | for (; string[i] && !whitespace (string[i]); i++); | |
1120 | ||
1121 | /* No extra whitespace at the end of the string. */ | |
1122 | string[i] = '\0'; | |
1123 | ||
1124 | /* Handle equivalency bindings here. Make the left-hand side be exactly | |
1125 | whatever the right-hand evaluates to, including keymaps. */ | |
1126 | if (equivalency) | |
1127 | { | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | /* If this is a new-style key-binding, then do the binding with | |
1132 | rl_set_key (). Otherwise, let the older code deal with it. */ | |
1133 | if (*string == '"') | |
1134 | { | |
1135 | char *seq; | |
1136 | register int j, k, passc; | |
1137 | ||
1138 | seq = xmalloc (1 + strlen (string)); | |
1139 | for (j = 1, k = passc = 0; string[j]; j++) | |
1140 | { | |
1141 | /* Allow backslash to quote characters, but leave them in place. | |
1142 | This allows a string to end with a backslash quoting another | |
1143 | backslash, or with a backslash quoting a double quote. The | |
1144 | backslashes are left in place for rl_translate_keyseq (). */ | |
1145 | if (passc || (string[j] == '\\')) | |
1146 | { | |
1147 | seq[k++] = string[j]; | |
1148 | passc = !passc; | |
1149 | continue; | |
1150 | } | |
1151 | ||
1152 | if (string[j] == '"') | |
1153 | break; | |
1154 | ||
1155 | seq[k++] = string[j]; | |
1156 | } | |
1157 | seq[k] = '\0'; | |
1158 | ||
1159 | /* Binding macro? */ | |
1160 | if (*funname == '\'' || *funname == '"') | |
1161 | { | |
1162 | j = strlen (funname); | |
1163 | ||
1164 | /* Remove the delimiting quotes from each end of FUNNAME. */ | |
1165 | if (j && funname[j - 1] == *funname) | |
1166 | funname[j - 1] = '\0'; | |
1167 | ||
1168 | rl_macro_bind (seq, &funname[1], _rl_keymap); | |
1169 | } | |
1170 | else | |
1171 | rl_set_key (seq, rl_named_function (funname), _rl_keymap); | |
1172 | ||
1173 | free (seq); | |
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | /* Get the actual character we want to deal with. */ | |
1178 | kname = strrchr (string, '-'); | |
1179 | if (!kname) | |
1180 | kname = string; | |
1181 | else | |
1182 | kname++; | |
1183 | ||
1184 | key = glean_key_from_name (kname); | |
1185 | ||
1186 | /* Add in control and meta bits. */ | |
1187 | if (substring_member_of_array (string, possible_control_prefixes)) | |
1188 | key = CTRL (_rl_to_upper (key)); | |
1189 | ||
1190 | if (substring_member_of_array (string, possible_meta_prefixes)) | |
1191 | key = META (key); | |
1192 | ||
1193 | /* Temporary. Handle old-style keyname with macro-binding. */ | |
1194 | if (*funname == '\'' || *funname == '"') | |
1195 | { | |
1196 | unsigned char useq[2]; | |
1197 | int fl = strlen (funname); | |
1198 | ||
1199 | useq[0] = key; useq[1] = '\0'; | |
1200 | if (fl && funname[fl - 1] == *funname) | |
1201 | funname[fl - 1] = '\0'; | |
1202 | ||
1203 | rl_macro_bind (useq, &funname[1], _rl_keymap); | |
1204 | } | |
1205 | #if defined (PREFIX_META_HACK) | |
1206 | /* Ugly, but working hack to keep prefix-meta around. */ | |
1207 | else if (_rl_stricmp (funname, "prefix-meta") == 0) | |
1208 | { | |
1209 | char seq[2]; | |
1210 | ||
1211 | seq[0] = key; | |
1212 | seq[1] = '\0'; | |
1213 | rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap); | |
1214 | } | |
1215 | #endif /* PREFIX_META_HACK */ | |
1216 | else | |
1217 | rl_bind_key (key, rl_named_function (funname)); | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | /* Simple structure for boolean readline variables (i.e., those that can | |
1222 | have one of two values; either "On" or 1 for truth, or "Off" or 0 for | |
1223 | false. */ | |
1224 | ||
1225 | static struct { | |
1226 | char *name; | |
1227 | int *value; | |
1228 | } boolean_varlist [] = { | |
1229 | #if defined (PAREN_MATCHING) | |
1230 | { "blink-matching-paren", &rl_blink_matching_paren }, | |
1231 | #endif | |
1232 | { "completion-ignore-case", &_rl_completion_case_fold }, | |
1233 | { "convert-meta", &_rl_convert_meta_chars_to_ascii }, | |
1234 | { "disable-completion", &rl_inhibit_completion }, | |
1235 | { "enable-keypad", &_rl_enable_keypad }, | |
1236 | { "expand-tilde", &rl_complete_with_tilde_expansion }, | |
1237 | { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode }, | |
1238 | { "input-meta", &_rl_meta_flag }, | |
1239 | { "mark-directories", &_rl_complete_mark_directories }, | |
1240 | { "mark-modified-lines", &_rl_mark_modified_lines }, | |
1241 | { "meta-flag", &_rl_meta_flag }, | |
1242 | { "output-meta", &_rl_output_meta_chars }, | |
1243 | { "print-completions-horizontally", &_rl_print_completions_horizontally }, | |
1244 | { "show-all-if-ambiguous", &_rl_complete_show_all }, | |
1245 | #if defined (VISIBLE_STATS) | |
1246 | { "visible-stats", &rl_visible_stats }, | |
1247 | #endif /* VISIBLE_STATS */ | |
1248 | { (char *)NULL, (int *)NULL } | |
1249 | }; | |
1250 | ||
1251 | int | |
1252 | rl_variable_bind (name, value) | |
1253 | char *name, *value; | |
1254 | { | |
1255 | register int i; | |
1256 | ||
1257 | /* Check for simple variables first. */ | |
1258 | for (i = 0; boolean_varlist[i].name; i++) | |
1259 | { | |
1260 | if (_rl_stricmp (name, boolean_varlist[i].name) == 0) | |
1261 | { | |
1262 | /* A variable is TRUE if the "value" is "on", "1" or "". */ | |
1263 | *boolean_varlist[i].value = *value == 0 || | |
1264 | _rl_stricmp (value, "on") == 0 || | |
1265 | (value[0] == '1' && value[1] == '\0'); | |
1266 | return 0; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | /* Not a boolean variable, so check for specials. */ | |
1271 | ||
1272 | /* Editing mode change? */ | |
1273 | if (_rl_stricmp (name, "editing-mode") == 0) | |
1274 | { | |
1275 | if (_rl_strnicmp (value, "vi", 2) == 0) | |
1276 | { | |
1277 | #if defined (VI_MODE) | |
1278 | _rl_keymap = vi_insertion_keymap; | |
1279 | rl_editing_mode = vi_mode; | |
1280 | #endif /* VI_MODE */ | |
1281 | } | |
1282 | else if (_rl_strnicmp (value, "emacs", 5) == 0) | |
1283 | { | |
1284 | _rl_keymap = emacs_standard_keymap; | |
1285 | rl_editing_mode = emacs_mode; | |
1286 | } | |
1287 | } | |
1288 | ||
1289 | /* Comment string change? */ | |
1290 | else if (_rl_stricmp (name, "comment-begin") == 0) | |
1291 | { | |
1292 | if (*value) | |
1293 | { | |
1294 | if (_rl_comment_begin) | |
1295 | free (_rl_comment_begin); | |
1296 | ||
1297 | _rl_comment_begin = savestring (value); | |
1298 | } | |
1299 | } | |
1300 | else if (_rl_stricmp (name, "completion-query-items") == 0) | |
1301 | { | |
1302 | int nval = 100; | |
1303 | if (*value) | |
1304 | { | |
1305 | nval = atoi (value); | |
1306 | if (nval < 0) | |
1307 | nval = 0; | |
1308 | } | |
1309 | rl_completion_query_items = nval; | |
1310 | } | |
1311 | else if (_rl_stricmp (name, "keymap") == 0) | |
1312 | { | |
1313 | Keymap kmap; | |
1314 | kmap = rl_get_keymap_by_name (value); | |
1315 | if (kmap) | |
1316 | rl_set_keymap (kmap); | |
1317 | } | |
1318 | else if (_rl_stricmp (name, "bell-style") == 0) | |
1319 | { | |
1320 | if (!*value) | |
1321 | _rl_bell_preference = AUDIBLE_BELL; | |
1322 | else | |
1323 | { | |
1324 | if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) | |
1325 | _rl_bell_preference = NO_BELL; | |
1326 | else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) | |
1327 | _rl_bell_preference = AUDIBLE_BELL; | |
1328 | else if (_rl_stricmp (value, "visible") == 0) | |
1329 | _rl_bell_preference = VISIBLE_BELL; | |
1330 | } | |
1331 | } | |
1332 | else if (_rl_stricmp (name, "prefer-visible-bell") == 0) | |
1333 | { | |
1334 | /* Backwards compatibility. */ | |
1335 | if (*value && (_rl_stricmp (value, "on") == 0 || | |
1336 | (*value == '1' && !value[1]))) | |
1337 | _rl_bell_preference = VISIBLE_BELL; | |
1338 | else | |
1339 | _rl_bell_preference = AUDIBLE_BELL; | |
1340 | } | |
1341 | ||
1342 | /* For the time being, unknown variable names are simply ignored. */ | |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | /* Return the character which matches NAME. | |
1347 | For example, `Space' returns ' '. */ | |
1348 | ||
1349 | typedef struct { | |
1350 | char *name; | |
1351 | int value; | |
1352 | } assoc_list; | |
1353 | ||
1354 | static assoc_list name_key_alist[] = { | |
1355 | { "DEL", 0x7f }, | |
1356 | { "ESC", '\033' }, | |
1357 | { "Escape", '\033' }, | |
1358 | { "LFD", '\n' }, | |
1359 | { "Newline", '\n' }, | |
1360 | { "RET", '\r' }, | |
1361 | { "Return", '\r' }, | |
1362 | { "Rubout", 0x7f }, | |
1363 | { "SPC", ' ' }, | |
1364 | { "Space", ' ' }, | |
1365 | { "Tab", 0x09 }, | |
1366 | { (char *)0x0, 0 } | |
1367 | }; | |
1368 | ||
1369 | static int | |
1370 | glean_key_from_name (name) | |
1371 | char *name; | |
1372 | { | |
1373 | register int i; | |
1374 | ||
1375 | for (i = 0; name_key_alist[i].name; i++) | |
1376 | if (_rl_stricmp (name, name_key_alist[i].name) == 0) | |
1377 | return (name_key_alist[i].value); | |
1378 | ||
1379 | return (*(unsigned char *)name); /* XXX was return (*name) */ | |
1380 | } | |
1381 | ||
1382 | /* Auxiliary functions to manage keymaps. */ | |
1383 | static struct { | |
1384 | char *name; | |
1385 | Keymap map; | |
1386 | } keymap_names[] = { | |
1387 | { "emacs", emacs_standard_keymap }, | |
1388 | { "emacs-standard", emacs_standard_keymap }, | |
1389 | { "emacs-meta", emacs_meta_keymap }, | |
1390 | { "emacs-ctlx", emacs_ctlx_keymap }, | |
1391 | #if defined (VI_MODE) | |
1392 | { "vi", vi_movement_keymap }, | |
1393 | { "vi-move", vi_movement_keymap }, | |
1394 | { "vi-command", vi_movement_keymap }, | |
1395 | { "vi-insert", vi_insertion_keymap }, | |
1396 | #endif /* VI_MODE */ | |
1397 | { (char *)0x0, (Keymap)0x0 } | |
1398 | }; | |
1399 | ||
1400 | Keymap | |
1401 | rl_get_keymap_by_name (name) | |
1402 | char *name; | |
1403 | { | |
1404 | register int i; | |
1405 | ||
1406 | for (i = 0; keymap_names[i].name; i++) | |
1407 | if (strcmp (name, keymap_names[i].name) == 0) | |
1408 | return (keymap_names[i].map); | |
1409 | return ((Keymap) NULL); | |
1410 | } | |
1411 | ||
1412 | char * | |
1413 | rl_get_keymap_name (map) | |
1414 | Keymap map; | |
1415 | { | |
1416 | register int i; | |
1417 | for (i = 0; keymap_names[i].name; i++) | |
1418 | if (map == keymap_names[i].map) | |
1419 | return (keymap_names[i].name); | |
1420 | return ((char *)NULL); | |
1421 | } | |
1422 | ||
1423 | void | |
1424 | rl_set_keymap (map) | |
1425 | Keymap map; | |
1426 | { | |
1427 | if (map) | |
1428 | _rl_keymap = map; | |
1429 | } | |
1430 | ||
1431 | Keymap | |
1432 | rl_get_keymap () | |
1433 | { | |
1434 | return (_rl_keymap); | |
1435 | } | |
1436 | ||
1437 | void | |
1438 | rl_set_keymap_from_edit_mode () | |
1439 | { | |
1440 | if (rl_editing_mode == emacs_mode) | |
1441 | _rl_keymap = emacs_standard_keymap; | |
1442 | #if defined (VI_MODE) | |
1443 | else if (rl_editing_mode == vi_mode) | |
1444 | _rl_keymap = vi_insertion_keymap; | |
1445 | #endif /* VI_MODE */ | |
1446 | } | |
1447 | ||
1448 | char * | |
1449 | rl_get_keymap_name_from_edit_mode () | |
1450 | { | |
1451 | if (rl_editing_mode == emacs_mode) | |
1452 | return "emacs"; | |
1453 | #if defined (VI_MODE) | |
1454 | else if (rl_editing_mode == vi_mode) | |
1455 | return "vi"; | |
1456 | #endif /* VI_MODE */ | |
1457 | else | |
1458 | return "none"; | |
1459 | } | |
1460 | ||
1461 | /* **************************************************************** */ | |
1462 | /* */ | |
1463 | /* Key Binding and Function Information */ | |
1464 | /* */ | |
1465 | /* **************************************************************** */ | |
1466 | ||
1467 | /* Each of the following functions produces information about the | |
1468 | state of keybindings and functions known to Readline. The info | |
1469 | is always printed to rl_outstream, and in such a way that it can | |
1470 | be read back in (i.e., passed to rl_parse_and_bind (). */ | |
1471 | ||
1472 | /* Print the names of functions known to Readline. */ | |
1473 | void | |
1474 | rl_list_funmap_names () | |
1475 | { | |
1476 | register int i; | |
1477 | char **funmap_names; | |
1478 | ||
1479 | funmap_names = rl_funmap_names (); | |
1480 | ||
1481 | if (!funmap_names) | |
1482 | return; | |
1483 | ||
1484 | for (i = 0; funmap_names[i]; i++) | |
1485 | fprintf (rl_outstream, "%s\n", funmap_names[i]); | |
1486 | ||
1487 | free (funmap_names); | |
1488 | } | |
1489 | ||
1490 | static char * | |
1491 | _rl_get_keyname (key) | |
1492 | int key; | |
1493 | { | |
1494 | char *keyname; | |
1495 | int i, c, v; | |
1496 | ||
1497 | keyname = (char *)xmalloc (8); | |
1498 | ||
1499 | c = key; | |
1500 | /* Since this is going to be used to write out keysequence-function | |
1501 | pairs for possible inclusion in an inputrc file, we don't want to | |
1502 | do any special meta processing on KEY. */ | |
1503 | ||
1504 | #if 0 | |
1505 | /* We might want to do this, but the old version of the code did not. */ | |
1506 | ||
1507 | /* If this is an escape character, we don't want to do any more processing. | |
1508 | Just add the special ESC key sequence and return. */ | |
1509 | if (c == ESC) | |
1510 | { | |
1511 | keyseq[0] = '\\'; | |
1512 | keyseq[1] = 'e'; | |
1513 | keyseq[2] = '\0'; | |
1514 | return keyseq; | |
1515 | } | |
1516 | #endif | |
1517 | ||
1518 | /* RUBOUT is translated directly into \C-? */ | |
1519 | if (key == RUBOUT) | |
1520 | { | |
1521 | keyname[0] = '\\'; | |
1522 | keyname[1] = 'C'; | |
1523 | keyname[2] = '-'; | |
1524 | keyname[3] = '?'; | |
1525 | keyname[4] = '\0'; | |
1526 | return keyname; | |
1527 | } | |
1528 | ||
1529 | i = 0; | |
1530 | /* Now add special prefixes needed for control characters. This can | |
1531 | potentially change C. */ | |
1532 | if (CTRL_CHAR (c)) | |
1533 | { | |
1534 | keyname[i++] = '\\'; | |
1535 | keyname[i++] = 'C'; | |
1536 | keyname[i++] = '-'; | |
1537 | c = _rl_to_lower (UNCTRL (c)); | |
1538 | } | |
1539 | ||
1540 | /* XXX experimental code. Turn the characters that are not ASCII or | |
1541 | ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237). | |
1542 | This changes C. */ | |
1543 | if (c >= 128 && c <= 159) | |
1544 | { | |
1545 | keyname[i++] = '\\'; | |
1546 | keyname[i++] = '2'; | |
1547 | c -= 128; | |
1548 | keyname[i++] = (c / 8) + '0'; | |
1549 | c = (c % 8) + '0'; | |
1550 | } | |
1551 | ||
1552 | /* Now, if the character needs to be quoted with a backslash, do that. */ | |
1553 | if (c == '\\' || c == '"') | |
1554 | keyname[i++] = '\\'; | |
1555 | ||
1556 | /* Now add the key, terminate the string, and return it. */ | |
1557 | keyname[i++] = (char) c; | |
1558 | keyname[i] = '\0'; | |
1559 | ||
1560 | return keyname; | |
1561 | } | |
1562 | ||
1563 | /* Return a NULL terminated array of strings which represent the key | |
1564 | sequences that are used to invoke FUNCTION in MAP. */ | |
1565 | char ** | |
1566 | rl_invoking_keyseqs_in_map (function, map) | |
1567 | Function *function; | |
1568 | Keymap map; | |
1569 | { | |
1570 | register int key; | |
1571 | char **result; | |
1572 | int result_index, result_size; | |
1573 | ||
1574 | result = (char **)NULL; | |
1575 | result_index = result_size = 0; | |
1576 | ||
1577 | for (key = 0; key < KEYMAP_SIZE; key++) | |
1578 | { | |
1579 | switch (map[key].type) | |
1580 | { | |
1581 | case ISMACR: | |
1582 | /* Macros match, if, and only if, the pointers are identical. | |
1583 | Thus, they are treated exactly like functions in here. */ | |
1584 | case ISFUNC: | |
1585 | /* If the function in the keymap is the one we are looking for, | |
1586 | then add the current KEY to the list of invoking keys. */ | |
1587 | if (map[key].function == function) | |
1588 | { | |
1589 | char *keyname; | |
1590 | ||
1591 | keyname = _rl_get_keyname (key); | |
1592 | ||
1593 | if (result_index + 2 > result_size) | |
1594 | { | |
1595 | result_size += 10; | |
1596 | result = (char **) xrealloc (result, result_size * sizeof (char *)); | |
1597 | } | |
1598 | ||
1599 | result[result_index++] = keyname; | |
1600 | result[result_index] = (char *)NULL; | |
1601 | } | |
1602 | break; | |
1603 | ||
1604 | case ISKMAP: | |
1605 | { | |
1606 | char **seqs; | |
1607 | register int i; | |
1608 | ||
1609 | /* Find the list of keyseqs in this map which have FUNCTION as | |
1610 | their target. Add the key sequences found to RESULT. */ | |
1611 | if (map[key].function) | |
1612 | seqs = | |
1613 | rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key)); | |
1614 | else | |
1615 | break; | |
1616 | ||
1617 | if (seqs == 0) | |
1618 | break; | |
1619 | ||
1620 | for (i = 0; seqs[i]; i++) | |
1621 | { | |
1622 | char *keyname = (char *)xmalloc (6 + strlen (seqs[i])); | |
1623 | ||
1624 | if (key == ESC) | |
1625 | sprintf (keyname, "\\e"); | |
1626 | else if (CTRL_CHAR (key)) | |
1627 | sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key))); | |
1628 | else if (key == RUBOUT) | |
1629 | sprintf (keyname, "\\C-?"); | |
1630 | else if (key == '\\' || key == '"') | |
1631 | { | |
1632 | keyname[0] = '\\'; | |
1633 | keyname[1] = (char) key; | |
1634 | keyname[2] = '\0'; | |
1635 | } | |
1636 | else | |
1637 | { | |
1638 | keyname[0] = (char) key; | |
1639 | keyname[1] = '\0'; | |
1640 | } | |
1641 | ||
1642 | strcat (keyname, seqs[i]); | |
1643 | free (seqs[i]); | |
1644 | ||
1645 | if (result_index + 2 > result_size) | |
1646 | { | |
1647 | result_size += 10; | |
1648 | result = (char **) xrealloc (result, result_size * sizeof (char *)); | |
1649 | } | |
1650 | ||
1651 | result[result_index++] = keyname; | |
1652 | result[result_index] = (char *)NULL; | |
1653 | } | |
1654 | ||
1655 | free (seqs); | |
1656 | } | |
1657 | break; | |
1658 | } | |
1659 | } | |
1660 | return (result); | |
1661 | } | |
1662 | ||
1663 | /* Return a NULL terminated array of strings which represent the key | |
1664 | sequences that can be used to invoke FUNCTION using the current keymap. */ | |
1665 | char ** | |
1666 | rl_invoking_keyseqs (function) | |
1667 | Function *function; | |
1668 | { | |
1669 | return (rl_invoking_keyseqs_in_map (function, _rl_keymap)); | |
1670 | } | |
1671 | ||
1672 | /* Print all of the functions and their bindings to rl_outstream. If | |
1673 | PRINT_READABLY is non-zero, then print the output in such a way | |
1674 | that it can be read back in. */ | |
1675 | void | |
1676 | rl_function_dumper (print_readably) | |
1677 | int print_readably; | |
1678 | { | |
1679 | register int i; | |
1680 | char **names; | |
1681 | char *name; | |
1682 | ||
1683 | names = rl_funmap_names (); | |
1684 | ||
1685 | fprintf (rl_outstream, "\n"); | |
1686 | ||
1687 | for (i = 0; name = names[i]; i++) | |
1688 | { | |
1689 | Function *function; | |
1690 | char **invokers; | |
1691 | ||
1692 | function = rl_named_function (name); | |
1693 | invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap); | |
1694 | ||
1695 | if (print_readably) | |
1696 | { | |
1697 | if (!invokers) | |
1698 | fprintf (rl_outstream, "# %s (not bound)\n", name); | |
1699 | else | |
1700 | { | |
1701 | register int j; | |
1702 | ||
1703 | for (j = 0; invokers[j]; j++) | |
1704 | { | |
1705 | fprintf (rl_outstream, "\"%s\": %s\n", | |
1706 | invokers[j], name); | |
1707 | free (invokers[j]); | |
1708 | } | |
1709 | ||
1710 | free (invokers); | |
1711 | } | |
1712 | } | |
1713 | else | |
1714 | { | |
1715 | if (!invokers) | |
1716 | fprintf (rl_outstream, "%s is not bound to any keys\n", | |
1717 | name); | |
1718 | else | |
1719 | { | |
1720 | register int j; | |
1721 | ||
1722 | fprintf (rl_outstream, "%s can be found on ", name); | |
1723 | ||
1724 | for (j = 0; invokers[j] && j < 5; j++) | |
1725 | { | |
1726 | fprintf (rl_outstream, "\"%s\"%s", invokers[j], | |
1727 | invokers[j + 1] ? ", " : ".\n"); | |
1728 | } | |
1729 | ||
1730 | if (j == 5 && invokers[j]) | |
1731 | fprintf (rl_outstream, "...\n"); | |
1732 | ||
1733 | for (j = 0; invokers[j]; j++) | |
1734 | free (invokers[j]); | |
1735 | ||
1736 | free (invokers); | |
1737 | } | |
1738 | } | |
1739 | } | |
1740 | } | |
1741 | ||
1742 | /* Print all of the current functions and their bindings to | |
1743 | rl_outstream. If an explicit argument is given, then print | |
1744 | the output in such a way that it can be read back in. */ | |
1745 | int | |
1746 | rl_dump_functions (count, key) | |
1747 | int count, key; | |
1748 | { | |
1749 | if (rl_dispatching) | |
1750 | fprintf (rl_outstream, "\r\n"); | |
1751 | rl_function_dumper (rl_explicit_arg); | |
1752 | rl_on_new_line (); | |
1753 | return (0); | |
1754 | } | |
1755 | ||
1756 | static void | |
1757 | _rl_macro_dumper_internal (print_readably, map, prefix) | |
1758 | int print_readably; | |
1759 | Keymap map; | |
1760 | char *prefix; | |
1761 | { | |
1762 | register int key; | |
1763 | char *keyname, *out; | |
1764 | int prefix_len; | |
1765 | ||
1766 | for (key = 0; key < KEYMAP_SIZE; key++) | |
1767 | { | |
1768 | switch (map[key].type) | |
1769 | { | |
1770 | case ISMACR: | |
1771 | keyname = _rl_get_keyname (key); | |
1772 | #if 0 | |
1773 | out = (char *)map[key].function; | |
1774 | #else | |
1775 | out = _rl_untranslate_macro_value ((char *)map[key].function); | |
1776 | #endif | |
1777 | if (print_readably) | |
1778 | fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "", | |
1779 | keyname, | |
1780 | out ? out : ""); | |
1781 | else | |
1782 | fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "", | |
1783 | keyname, | |
1784 | out ? out : ""); | |
1785 | free (keyname); | |
1786 | #if 1 | |
1787 | free (out); | |
1788 | #endif | |
1789 | break; | |
1790 | case ISFUNC: | |
1791 | break; | |
1792 | case ISKMAP: | |
1793 | prefix_len = prefix ? strlen (prefix) : 0; | |
1794 | if (key == ESC) | |
1795 | { | |
1796 | keyname = xmalloc (3 + prefix_len); | |
1797 | if (prefix) | |
1798 | strcpy (keyname, prefix); | |
1799 | keyname[prefix_len] = '\\'; | |
1800 | keyname[prefix_len + 1] = 'e'; | |
1801 | keyname[prefix_len + 2] = '\0'; | |
1802 | } | |
1803 | else | |
1804 | { | |
1805 | keyname = _rl_get_keyname (key); | |
1806 | if (prefix) | |
1807 | { | |
1808 | out = xmalloc (strlen (keyname) + prefix_len + 1); | |
1809 | strcpy (out, prefix); | |
1810 | strcpy (out + prefix_len, keyname); | |
1811 | free (keyname); | |
1812 | keyname = out; | |
1813 | } | |
1814 | } | |
1815 | ||
1816 | _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname); | |
1817 | free (keyname); | |
1818 | break; | |
1819 | } | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | void | |
1824 | rl_macro_dumper (print_readably) | |
1825 | int print_readably; | |
1826 | { | |
1827 | _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL); | |
1828 | } | |
1829 | ||
1830 | int | |
1831 | rl_dump_macros (count, key) | |
1832 | int count, key; | |
1833 | { | |
1834 | if (rl_dispatching) | |
1835 | fprintf (rl_outstream, "\r\n"); | |
1836 | rl_macro_dumper (rl_explicit_arg); | |
1837 | rl_on_new_line (); | |
1838 | return (0); | |
1839 | } | |
1840 | ||
1841 | void | |
1842 | rl_variable_dumper (print_readably) | |
1843 | int print_readably; | |
1844 | { | |
1845 | int i; | |
1846 | char *kname; | |
1847 | ||
1848 | for (i = 0; boolean_varlist[i].name; i++) | |
1849 | { | |
1850 | if (print_readably) | |
1851 | fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name, | |
1852 | *boolean_varlist[i].value ? "on" : "off"); | |
1853 | else | |
1854 | fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name, | |
1855 | *boolean_varlist[i].value ? "on" : "off"); | |
1856 | } | |
1857 | ||
1858 | /* bell-style */ | |
1859 | switch (_rl_bell_preference) | |
1860 | { | |
1861 | case NO_BELL: | |
1862 | kname = "none"; break; | |
1863 | case VISIBLE_BELL: | |
1864 | kname = "visible"; break; | |
1865 | case AUDIBLE_BELL: | |
1866 | default: | |
1867 | kname = "audible"; break; | |
1868 | } | |
1869 | if (print_readably) | |
1870 | fprintf (rl_outstream, "set bell-style %s\n", kname); | |
1871 | else | |
1872 | fprintf (rl_outstream, "bell-style is set to `%s'\n", kname); | |
1873 | ||
1874 | /* comment-begin */ | |
1875 | if (print_readably) | |
1876 | fprintf (rl_outstream, "set comment-begin %s\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT); | |
1877 | else | |
1878 | fprintf (rl_outstream, "comment-begin is set to `%s'\n", _rl_comment_begin ? _rl_comment_begin : ""); | |
1879 | ||
1880 | /* completion-query-items */ | |
1881 | if (print_readably) | |
1882 | fprintf (rl_outstream, "set completion-query-items %d\n", rl_completion_query_items); | |
1883 | else | |
1884 | fprintf (rl_outstream, "completion-query-items is set to `%d'\n", rl_completion_query_items); | |
1885 | ||
1886 | /* editing-mode */ | |
1887 | if (print_readably) | |
1888 | fprintf (rl_outstream, "set editing-mode %s\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi"); | |
1889 | else | |
1890 | fprintf (rl_outstream, "editing-mode is set to `%s'\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi"); | |
1891 | ||
1892 | /* keymap */ | |
1893 | kname = rl_get_keymap_name (_rl_keymap); | |
1894 | if (kname == 0) | |
1895 | kname = rl_get_keymap_name_from_edit_mode (); | |
1896 | if (print_readably) | |
1897 | fprintf (rl_outstream, "set keymap %s\n", kname ? kname : "none"); | |
1898 | else | |
1899 | fprintf (rl_outstream, "keymap is set to `%s'\n", kname ? kname : "none"); | |
1900 | } | |
1901 | ||
1902 | /* Print all of the current variables and their values to | |
1903 | rl_outstream. If an explicit argument is given, then print | |
1904 | the output in such a way that it can be read back in. */ | |
1905 | int | |
1906 | rl_dump_variables (count, key) | |
1907 | int count, key; | |
1908 | { | |
1909 | if (rl_dispatching) | |
1910 | fprintf (rl_outstream, "\r\n"); | |
1911 | rl_variable_dumper (rl_explicit_arg); | |
1912 | rl_on_new_line (); | |
1913 | return (0); | |
1914 | } | |
1915 | ||
1916 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. */ | |
1917 | void | |
1918 | _rl_bind_if_unbound (keyseq, default_func) | |
1919 | char *keyseq; | |
1920 | Function *default_func; | |
1921 | { | |
1922 | Function *func; | |
1923 | ||
1924 | if (keyseq) | |
1925 | { | |
1926 | func = rl_function_of_keyseq (keyseq, _rl_keymap, (int *)NULL); | |
1927 | if (!func || func == rl_do_lowercase_version) | |
1928 | rl_set_key (keyseq, default_func, _rl_keymap); | |
1929 | } | |
1930 | } | |
1931 | ||
1932 | /* Return non-zero if any members of ARRAY are a substring in STRING. */ | |
1933 | static int | |
1934 | substring_member_of_array (string, array) | |
1935 | char *string, **array; | |
1936 | { | |
1937 | while (*array) | |
1938 | { | |
1939 | if (_rl_strindex (string, *array)) | |
1940 | return (1); | |
1941 | array++; | |
1942 | } | |
1943 | return (0); | |
1944 | } |