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Commit | Line | Data |
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726f6388 JA |
1 | /* alias.c -- Not a full alias, but just the kind that we use in the |
2 | shell. Csh style alias is somewhere else (`over there, in a box'). */ | |
3 | ||
74091dd4 | 4 | /* Copyright (C) 1987-2021 Free Software Foundation, Inc. |
726f6388 JA |
5 | |
6 | This file is part of GNU Bash, the Bourne Again SHell. | |
7 | ||
3185942a JA |
8 | Bash is free software: you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation, either version 3 of the License, or | |
11 | (at your option) any later version. | |
726f6388 | 12 | |
3185942a JA |
13 | Bash is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
726f6388 JA |
17 | |
18 | You should have received a copy of the GNU General Public License | |
3185942a JA |
19 | along with Bash. If not, see <http://www.gnu.org/licenses/>. |
20 | */ | |
726f6388 | 21 | |
ccc6cda3 JA |
22 | #include "config.h" |
23 | ||
24 | #if defined (ALIAS) | |
25 | ||
26 | #if defined (HAVE_UNISTD_H) | |
cce855bc JA |
27 | # ifdef _MINIX |
28 | # include <sys/types.h> | |
29 | # endif | |
ccc6cda3 JA |
30 | # include <unistd.h> |
31 | #endif | |
32 | ||
726f6388 | 33 | #include <stdio.h> |
f73dda09 | 34 | #include "chartypes.h" |
726f6388 | 35 | #include "bashansi.h" |
726f6388 JA |
36 | #include "command.h" |
37 | #include "general.h" | |
ccc6cda3 | 38 | #include "externs.h" |
726f6388 JA |
39 | #include "alias.h" |
40 | ||
bb70624e JA |
41 | #if defined (PROGRAMMABLE_COMPLETION) |
42 | # include "pcomplete.h" | |
43 | #endif | |
44 | ||
a0c0a00f CR |
45 | #if defined (HAVE_MBSTR_H) && defined (HAVE_MBSCHR) |
46 | # include <mbstr.h> /* mbschr */ | |
47 | #endif | |
48 | ||
49 | #define ALIAS_HASH_BUCKETS 64 /* must be power of two */ | |
7117c2d2 | 50 | |
8868edaf | 51 | typedef int sh_alias_map_func_t PARAMS((alias_t *)); |
f73dda09 | 52 | |
8868edaf CR |
53 | static void free_alias_data PARAMS((PTR_T)); |
54 | static alias_t **map_over_aliases PARAMS((sh_alias_map_func_t *)); | |
55 | static void sort_aliases PARAMS((alias_t **)); | |
56 | static int qsort_alias_compare PARAMS((alias_t **, alias_t **)); | |
f73dda09 JA |
57 | |
58 | #if defined (READLINE) | |
8868edaf CR |
59 | static int skipquotes PARAMS((char *, int)); |
60 | static int skipws PARAMS((char *, int)); | |
61 | static int rd_token PARAMS((char *, int)); | |
f73dda09 | 62 | #endif |
726f6388 JA |
63 | |
64 | /* Non-zero means expand all words on the line. Otherwise, expand | |
65 | after first expansion if the expansion ends in a space. */ | |
66 | int alias_expand_all = 0; | |
67 | ||
68 | /* The list of aliases that we have. */ | |
69 | HASH_TABLE *aliases = (HASH_TABLE *)NULL; | |
70 | ||
71 | void | |
72 | initialize_aliases () | |
73 | { | |
3185942a | 74 | if (aliases == 0) |
7117c2d2 | 75 | aliases = hash_create (ALIAS_HASH_BUCKETS); |
726f6388 JA |
76 | } |
77 | ||
78 | /* Scan the list of aliases looking for one with NAME. Return NULL | |
ccc6cda3 JA |
79 | if the alias doesn't exist, else a pointer to the alias_t. */ |
80 | alias_t * | |
726f6388 JA |
81 | find_alias (name) |
82 | char *name; | |
83 | { | |
84 | BUCKET_CONTENTS *al; | |
85 | ||
ccc6cda3 JA |
86 | if (aliases == 0) |
87 | return ((alias_t *)NULL); | |
726f6388 | 88 | |
7117c2d2 | 89 | al = hash_search (name, aliases, 0); |
ccc6cda3 | 90 | return (al ? (alias_t *)al->data : (alias_t *)NULL); |
726f6388 JA |
91 | } |
92 | ||
93 | /* Return the value of the alias for NAME, or NULL if there is none. */ | |
94 | char * | |
95 | get_alias_value (name) | |
96 | char *name; | |
97 | { | |
ccc6cda3 JA |
98 | alias_t *alias; |
99 | ||
100 | if (aliases == 0) | |
726f6388 | 101 | return ((char *)NULL); |
ccc6cda3 JA |
102 | |
103 | alias = find_alias (name); | |
104 | return (alias ? alias->value : (char *)NULL); | |
726f6388 JA |
105 | } |
106 | ||
107 | /* Make a new alias from NAME and VALUE. If NAME can be found, | |
108 | then replace its value. */ | |
109 | void | |
110 | add_alias (name, value) | |
111 | char *name, *value; | |
112 | { | |
ccc6cda3 JA |
113 | BUCKET_CONTENTS *elt; |
114 | alias_t *temp; | |
115 | int n; | |
726f6388 | 116 | |
ac50fbac | 117 | if (aliases == 0) |
ccc6cda3 JA |
118 | { |
119 | initialize_aliases (); | |
120 | temp = (alias_t *)NULL; | |
121 | } | |
726f6388 JA |
122 | else |
123 | temp = find_alias (name); | |
124 | ||
125 | if (temp) | |
126 | { | |
127 | free (temp->value); | |
128 | temp->value = savestring (value); | |
7117c2d2 | 129 | temp->flags &= ~AL_EXPANDNEXT; |
8868edaf CR |
130 | if (value[0]) |
131 | { | |
132 | n = value[strlen (value) - 1]; | |
133 | if (n == ' ' || n == '\t') | |
134 | temp->flags |= AL_EXPANDNEXT; | |
135 | } | |
726f6388 JA |
136 | } |
137 | else | |
138 | { | |
ccc6cda3 | 139 | temp = (alias_t *)xmalloc (sizeof (alias_t)); |
726f6388 JA |
140 | temp->name = savestring (name); |
141 | temp->value = savestring (value); | |
ccc6cda3 JA |
142 | temp->flags = 0; |
143 | ||
8868edaf CR |
144 | if (value[0]) |
145 | { | |
146 | n = value[strlen (value) - 1]; | |
147 | if (n == ' ' || n == '\t') | |
148 | temp->flags |= AL_EXPANDNEXT; | |
149 | } | |
726f6388 | 150 | |
7117c2d2 JA |
151 | elt = hash_insert (savestring (name), aliases, HASH_NOSRCH); |
152 | elt->data = temp; | |
bb70624e JA |
153 | #if defined (PROGRAMMABLE_COMPLETION) |
154 | set_itemlist_dirty (&it_aliases); | |
155 | #endif | |
726f6388 JA |
156 | } |
157 | } | |
158 | ||
ccc6cda3 JA |
159 | /* Delete a single alias structure. */ |
160 | static void | |
161 | free_alias_data (data) | |
f73dda09 | 162 | PTR_T data; |
ccc6cda3 JA |
163 | { |
164 | register alias_t *a; | |
165 | ||
166 | a = (alias_t *)data; | |
d233b485 CR |
167 | |
168 | if (a->flags & AL_BEINGEXPANDED) | |
169 | clear_string_list_expander (a); /* call back to the parser */ | |
170 | ||
ccc6cda3 JA |
171 | free (a->value); |
172 | free (a->name); | |
173 | free (data); | |
174 | } | |
175 | ||
726f6388 JA |
176 | /* Remove the alias with name NAME from the alias table. Returns |
177 | the number of aliases left in the table, or -1 if the alias didn't | |
178 | exist. */ | |
179 | int | |
180 | remove_alias (name) | |
181 | char *name; | |
182 | { | |
183 | BUCKET_CONTENTS *elt; | |
184 | ||
ccc6cda3 | 185 | if (aliases == 0) |
726f6388 JA |
186 | return (-1); |
187 | ||
7117c2d2 | 188 | elt = hash_remove (name, aliases, 0); |
726f6388 JA |
189 | if (elt) |
190 | { | |
ccc6cda3 | 191 | free_alias_data (elt->data); |
726f6388 | 192 | free (elt->key); /* alias name */ |
d166f048 | 193 | free (elt); /* XXX */ |
bb70624e JA |
194 | #if defined (PROGRAMMABLE_COMPLETION) |
195 | set_itemlist_dirty (&it_aliases); | |
196 | #endif | |
726f6388 JA |
197 | return (aliases->nentries); |
198 | } | |
199 | return (-1); | |
200 | } | |
201 | ||
726f6388 JA |
202 | /* Delete all aliases. */ |
203 | void | |
204 | delete_all_aliases () | |
205 | { | |
ccc6cda3 | 206 | if (aliases == 0) |
726f6388 JA |
207 | return; |
208 | ||
7117c2d2 JA |
209 | hash_flush (aliases, free_alias_data); |
210 | hash_dispose (aliases); | |
726f6388 | 211 | aliases = (HASH_TABLE *)NULL; |
bb70624e JA |
212 | #if defined (PROGRAMMABLE_COMPLETION) |
213 | set_itemlist_dirty (&it_aliases); | |
214 | #endif | |
726f6388 JA |
215 | } |
216 | ||
217 | /* Return an array of aliases that satisfy the conditions tested by FUNCTION. | |
218 | If FUNCTION is NULL, return all aliases. */ | |
ccc6cda3 | 219 | static alias_t ** |
726f6388 | 220 | map_over_aliases (function) |
f73dda09 | 221 | sh_alias_map_func_t *function; |
726f6388 JA |
222 | { |
223 | register int i; | |
224 | register BUCKET_CONTENTS *tlist; | |
ccc6cda3 | 225 | alias_t *alias, **list; |
7117c2d2 | 226 | int list_index; |
726f6388 | 227 | |
7117c2d2 JA |
228 | i = HASH_ENTRIES (aliases); |
229 | if (i == 0) | |
230 | return ((alias_t **)NULL); | |
726f6388 | 231 | |
7117c2d2 JA |
232 | list = (alias_t **)xmalloc ((i + 1) * sizeof (alias_t *)); |
233 | for (i = list_index = 0; i < aliases->nbuckets; i++) | |
234 | { | |
235 | for (tlist = hash_items (i, aliases); tlist; tlist = tlist->next) | |
726f6388 | 236 | { |
ccc6cda3 | 237 | alias = (alias_t *)tlist->data; |
726f6388 JA |
238 | |
239 | if (!function || (*function) (alias)) | |
240 | { | |
726f6388 | 241 | list[list_index++] = alias; |
ccc6cda3 | 242 | list[list_index] = (alias_t *)NULL; |
726f6388 | 243 | } |
726f6388 JA |
244 | } |
245 | } | |
246 | return (list); | |
247 | } | |
248 | ||
249 | static void | |
250 | sort_aliases (array) | |
ccc6cda3 | 251 | alias_t **array; |
726f6388 | 252 | { |
7117c2d2 | 253 | qsort (array, strvec_len ((char **)array), sizeof (alias_t *), (QSFUNC *)qsort_alias_compare); |
726f6388 JA |
254 | } |
255 | ||
256 | static int | |
257 | qsort_alias_compare (as1, as2) | |
ccc6cda3 | 258 | alias_t **as1, **as2; |
726f6388 JA |
259 | { |
260 | int result; | |
ccc6cda3 | 261 | |
726f6388 JA |
262 | if ((result = (*as1)->name[0] - (*as2)->name[0]) == 0) |
263 | result = strcmp ((*as1)->name, (*as2)->name); | |
264 | ||
265 | return (result); | |
266 | } | |
ccc6cda3 JA |
267 | |
268 | /* Return a sorted list of all defined aliases */ | |
269 | alias_t ** | |
726f6388 JA |
270 | all_aliases () |
271 | { | |
ccc6cda3 | 272 | alias_t **list; |
726f6388 | 273 | |
7117c2d2 | 274 | if (aliases == 0 || HASH_ENTRIES (aliases) == 0) |
ccc6cda3 | 275 | return ((alias_t **)NULL); |
726f6388 | 276 | |
f73dda09 | 277 | list = map_over_aliases ((sh_alias_map_func_t *)NULL); |
726f6388 JA |
278 | if (list) |
279 | sort_aliases (list); | |
280 | return (list); | |
281 | } | |
282 | ||
283 | char * | |
284 | alias_expand_word (s) | |
285 | char *s; | |
286 | { | |
ccc6cda3 | 287 | alias_t *r; |
726f6388 | 288 | |
ccc6cda3 JA |
289 | r = find_alias (s); |
290 | return (r ? savestring (r->value) : (char *)NULL); | |
726f6388 JA |
291 | } |
292 | ||
d166f048 JA |
293 | /* Readline support functions -- expand all aliases in a line. */ |
294 | ||
295 | #if defined (READLINE) | |
296 | ||
726f6388 JA |
297 | /* Return non-zero if CHARACTER is a member of the class of characters |
298 | that are self-delimiting in the shell (this really means that these | |
299 | characters delimit tokens). */ | |
300 | #define self_delimiting(character) (member ((character), " \t\n\r;|&()")) | |
301 | ||
302 | /* Return non-zero if CHARACTER is a member of the class of characters | |
303 | that delimit commands in the shell. */ | |
304 | #define command_separator(character) (member ((character), "\r\n;|&(")) | |
305 | ||
306 | /* If this is 1, we are checking the next token read for alias expansion | |
307 | because it is the first word in a command. */ | |
308 | static int command_word; | |
309 | ||
310 | /* This is for skipping quoted strings in alias expansions. */ | |
311 | #define quote_char(c) (((c) == '\'') || ((c) == '"')) | |
312 | ||
313 | /* Consume a quoted string from STRING, starting at string[START] (so | |
314 | string[START] is the opening quote character), and return the index | |
315 | of the closing quote character matching the opening quote character. | |
316 | This handles single matching pairs of unquoted quotes; it could afford | |
317 | to be a little smarter... This skips words between balanced pairs of | |
318 | quotes, words where the first character is quoted with a `\', and other | |
319 | backslash-escaped characters. */ | |
320 | ||
321 | static int | |
322 | skipquotes (string, start) | |
323 | char *string; | |
324 | int start; | |
325 | { | |
326 | register int i; | |
327 | int delimiter = string[start]; | |
328 | ||
329 | /* i starts at START + 1 because string[START] is the opening quote | |
330 | character. */ | |
331 | for (i = start + 1 ; string[i] ; i++) | |
332 | { | |
333 | if (string[i] == '\\') | |
334 | { | |
335 | i++; /* skip backslash-quoted quote characters, too */ | |
495aee44 CR |
336 | if (string[i] == 0) |
337 | break; | |
726f6388 JA |
338 | continue; |
339 | } | |
340 | ||
341 | if (string[i] == delimiter) | |
342 | return i; | |
343 | } | |
344 | return (i); | |
345 | } | |
346 | ||
347 | /* Skip the white space and any quoted characters in STRING, starting at | |
348 | START. Return the new index into STRING, after zero or more characters | |
349 | have been skipped. */ | |
350 | static int | |
351 | skipws (string, start) | |
352 | char *string; | |
353 | int start; | |
354 | { | |
f73dda09 JA |
355 | register int i; |
356 | int pass_next, backslash_quoted_word; | |
357 | unsigned char peekc; | |
726f6388 JA |
358 | |
359 | /* skip quoted strings, in ' or ", and words in which a character is quoted | |
360 | with a `\'. */ | |
f73dda09 | 361 | i = backslash_quoted_word = pass_next = 0; |
726f6388 JA |
362 | |
363 | /* Skip leading whitespace (or separator characters), and quoted words. | |
364 | But save it in the output. */ | |
365 | ||
366 | for (i = start; string[i]; i++) | |
367 | { | |
368 | if (pass_next) | |
369 | { | |
370 | pass_next = 0; | |
371 | continue; | |
372 | } | |
373 | ||
374 | if (whitespace (string[i])) | |
375 | { | |
376 | backslash_quoted_word = 0; /* we are no longer in a backslash-quoted word */ | |
377 | continue; | |
378 | } | |
379 | ||
380 | if (string[i] == '\\') | |
381 | { | |
382 | peekc = string[i+1]; | |
495aee44 CR |
383 | if (peekc == 0) |
384 | break; | |
f73dda09 | 385 | if (ISLETTER (peekc)) |
726f6388 JA |
386 | backslash_quoted_word++; /* this is a backslash-quoted word */ |
387 | else | |
388 | pass_next++; | |
389 | continue; | |
390 | } | |
391 | ||
392 | /* This only handles single pairs of non-escaped quotes. This | |
393 | overloads backslash_quoted_word to also mean that a word like | |
394 | ""f is being scanned, so that the quotes will inhibit any expansion | |
395 | of the word. */ | |
396 | if (quote_char(string[i])) | |
397 | { | |
398 | i = skipquotes (string, i); | |
399 | /* This could be a line that contains a single quote character, | |
400 | in which case skipquotes () terminates with string[i] == '\0' | |
401 | (the end of the string). Check for that here. */ | |
402 | if (string[i] == '\0') | |
403 | break; | |
404 | ||
405 | peekc = string[i + 1]; | |
f73dda09 | 406 | if (ISLETTER (peekc)) |
726f6388 JA |
407 | backslash_quoted_word++; |
408 | continue; | |
409 | } | |
410 | ||
411 | /* If we're in the middle of some kind of quoted word, let it | |
412 | pass through. */ | |
413 | if (backslash_quoted_word) | |
414 | continue; | |
415 | ||
416 | /* If this character is a shell command separator, then set a hint for | |
417 | alias_expand that the next token is the first word in a command. */ | |
418 | ||
419 | if (command_separator (string[i])) | |
420 | { | |
421 | command_word++; | |
422 | continue; | |
423 | } | |
424 | break; | |
425 | } | |
426 | return (i); | |
427 | } | |
428 | ||
429 | /* Characters that may appear in a token. Basically, anything except white | |
430 | space and a token separator. */ | |
431 | #define token_char(c) (!((whitespace (string[i]) || self_delimiting (string[i])))) | |
432 | ||
433 | /* Read from START in STRING until the next separator character, and return | |
434 | the index of that separator. Skip backslash-quoted characters. Call | |
435 | skipquotes () for quoted strings in the middle or at the end of tokens, | |
436 | so all characters show up (e.g. foo'' and foo""bar) */ | |
437 | static int | |
438 | rd_token (string, start) | |
ccc6cda3 | 439 | char *string; |
726f6388 JA |
440 | int start; |
441 | { | |
442 | register int i; | |
443 | ||
444 | /* From here to next separator character is a token. */ | |
445 | for (i = start; string[i] && token_char (string[i]); i++) | |
446 | { | |
447 | if (string[i] == '\\') | |
448 | { | |
449 | i++; /* skip backslash-escaped character */ | |
495aee44 CR |
450 | if (string[i] == 0) |
451 | break; | |
726f6388 JA |
452 | continue; |
453 | } | |
454 | ||
455 | /* If this character is a quote character, we want to call skipquotes | |
456 | to get the whole quoted portion as part of this word. That word | |
457 | will not generally match an alias, even if te unquoted word would | |
ccc6cda3 | 458 | have. The presence of the quotes in the token serves then to |
726f6388 JA |
459 | inhibit expansion. */ |
460 | if (quote_char (string[i])) | |
461 | { | |
462 | i = skipquotes (string, i); | |
cce855bc JA |
463 | /* This could be a line that contains a single quote character, |
464 | in which case skipquotes () terminates with string[i] == '\0' | |
465 | (the end of the string). Check for that here. */ | |
466 | if (string[i] == '\0') | |
467 | break; | |
468 | ||
726f6388 JA |
469 | /* Now string[i] is the matching quote character, and the |
470 | quoted portion of the token has been scanned. */ | |
471 | continue; | |
472 | } | |
473 | } | |
474 | return (i); | |
475 | } | |
476 | ||
477 | /* Return a new line, with any aliases substituted. */ | |
478 | char * | |
479 | alias_expand (string) | |
480 | char *string; | |
481 | { | |
726f6388 | 482 | register int i, j, start; |
bb70624e JA |
483 | char *line, *token; |
484 | int line_len, tl, real_start, expand_next, expand_this_token; | |
ccc6cda3 | 485 | alias_t *alias; |
726f6388 | 486 | |
bb70624e | 487 | line_len = strlen (string) + 1; |
f73dda09 JA |
488 | line = (char *)xmalloc (line_len); |
489 | token = (char *)xmalloc (line_len); | |
bb70624e | 490 | |
726f6388 JA |
491 | line[0] = i = 0; |
492 | expand_next = 0; | |
493 | command_word = 1; /* initialized to expand the first word on the line */ | |
494 | ||
495 | /* Each time through the loop we find the next word in line. If it | |
bb70624e JA |
496 | has an alias, substitute the alias value. If the value ends in ` ', |
497 | then try again with the next word. Else, if there is no value, or if | |
726f6388 JA |
498 | the value does not end in space, we are done. */ |
499 | ||
500 | for (;;) | |
501 | { | |
502 | ||
503 | token[0] = 0; | |
504 | start = i; | |
505 | ||
506 | /* Skip white space and quoted characters */ | |
507 | i = skipws (string, start); | |
508 | ||
509 | if (start == i && string[i] == '\0') | |
510 | { | |
511 | free (token); | |
512 | return (line); | |
513 | } | |
514 | ||
515 | /* copy the just-skipped characters into the output string, | |
516 | expanding it if there is not enough room. */ | |
517 | j = strlen (line); | |
518 | tl = i - start; /* number of characters just skipped */ | |
ccc6cda3 | 519 | RESIZE_MALLOCED_BUFFER (line, j, (tl + 1), line_len, (tl + 50)); |
726f6388 JA |
520 | strncpy (line + j, string + start, tl); |
521 | line[j + tl] = '\0'; | |
522 | ||
523 | real_start = i; | |
524 | ||
525 | command_word = command_word || (command_separator (string[i])); | |
526 | expand_this_token = (command_word || expand_next); | |
527 | expand_next = 0; | |
528 | ||
529 | /* Read the next token, and copy it into TOKEN. */ | |
530 | start = i; | |
531 | i = rd_token (string, start); | |
532 | ||
533 | tl = i - start; /* token length */ | |
534 | ||
535 | /* If tl == 0, but we're not at the end of the string, then we have a | |
536 | single-character token, probably a delimiter */ | |
537 | if (tl == 0 && string[i] != '\0') | |
538 | { | |
539 | tl = 1; | |
540 | i++; /* move past it */ | |
541 | } | |
542 | ||
543 | strncpy (token, string + start, tl); | |
544 | token [tl] = '\0'; | |
545 | ||
546 | /* If there is a backslash-escaped character quoted in TOKEN, | |
547 | then we don't do alias expansion. This should check for all | |
548 | other quoting characters, too. */ | |
0001803f | 549 | if (mbschr (token, '\\')) |
726f6388 JA |
550 | expand_this_token = 0; |
551 | ||
552 | /* If we should be expanding here, if we are expanding all words, or if | |
553 | we are in a location in the string where an expansion is supposed to | |
554 | take place, see if this word has a substitution. If it does, then do | |
555 | the expansion. Note that we defer the alias value lookup until we | |
556 | are sure we are expanding this token. */ | |
557 | ||
558 | if ((token[0]) && | |
559 | (expand_this_token || alias_expand_all) && | |
560 | (alias = find_alias (token))) | |
561 | { | |
ccc6cda3 JA |
562 | char *v; |
563 | int vlen, llen; | |
564 | ||
565 | v = alias->value; | |
566 | vlen = strlen (v); | |
567 | llen = strlen (line); | |
568 | ||
726f6388 | 569 | /* +3 because we possibly add one more character below. */ |
ccc6cda3 | 570 | RESIZE_MALLOCED_BUFFER (line, llen, (vlen + 3), line_len, (vlen + 50)); |
726f6388 | 571 | |
ccc6cda3 | 572 | strcpy (line + llen, v); |
726f6388 | 573 | |
ccc6cda3 | 574 | if ((expand_this_token && vlen && whitespace (v[vlen - 1])) || |
726f6388 JA |
575 | alias_expand_all) |
576 | expand_next = 1; | |
577 | } | |
578 | else | |
579 | { | |
ccc6cda3 JA |
580 | int llen, tlen; |
581 | ||
582 | llen = strlen (line); | |
583 | tlen = i - real_start; /* tlen == strlen(token) */ | |
726f6388 | 584 | |
ccc6cda3 | 585 | RESIZE_MALLOCED_BUFFER (line, llen, (tlen + 1), line_len, (llen + tlen + 50)); |
726f6388 | 586 | |
ccc6cda3 JA |
587 | strncpy (line + llen, string + real_start, tlen); |
588 | line[llen + tlen] = '\0'; | |
726f6388 JA |
589 | } |
590 | command_word = 0; | |
591 | } | |
592 | } | |
d166f048 | 593 | #endif /* READLINE */ |
ccc6cda3 | 594 | #endif /* ALIAS */ |