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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 | ||
a0c0a00f | 4 | /* Copyright (C) 1987-2015 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 | |
f73dda09 JA |
51 | typedef int sh_alias_map_func_t __P((alias_t *)); |
52 | ||
53 | static void free_alias_data __P((PTR_T)); | |
54 | static alias_t **map_over_aliases __P((sh_alias_map_func_t *)); | |
55 | static void sort_aliases __P((alias_t **)); | |
56 | static int qsort_alias_compare __P((alias_t **, alias_t **)); | |
57 | ||
58 | #if defined (READLINE) | |
59 | static int skipquotes __P((char *, int)); | |
60 | static int skipws __P((char *, int)); | |
61 | static int rd_token __P((char *, int)); | |
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; |
ccc6cda3 JA |
130 | n = value[strlen (value) - 1]; |
131 | if (n == ' ' || n == '\t') | |
132 | temp->flags |= AL_EXPANDNEXT; | |
726f6388 JA |
133 | } |
134 | else | |
135 | { | |
ccc6cda3 | 136 | temp = (alias_t *)xmalloc (sizeof (alias_t)); |
726f6388 JA |
137 | temp->name = savestring (name); |
138 | temp->value = savestring (value); | |
ccc6cda3 JA |
139 | temp->flags = 0; |
140 | ||
141 | n = value[strlen (value) - 1]; | |
142 | if (n == ' ' || n == '\t') | |
143 | temp->flags |= AL_EXPANDNEXT; | |
726f6388 | 144 | |
7117c2d2 JA |
145 | elt = hash_insert (savestring (name), aliases, HASH_NOSRCH); |
146 | elt->data = temp; | |
bb70624e JA |
147 | #if defined (PROGRAMMABLE_COMPLETION) |
148 | set_itemlist_dirty (&it_aliases); | |
149 | #endif | |
726f6388 JA |
150 | } |
151 | } | |
152 | ||
ccc6cda3 JA |
153 | /* Delete a single alias structure. */ |
154 | static void | |
155 | free_alias_data (data) | |
f73dda09 | 156 | PTR_T data; |
ccc6cda3 JA |
157 | { |
158 | register alias_t *a; | |
159 | ||
160 | a = (alias_t *)data; | |
d233b485 CR |
161 | |
162 | if (a->flags & AL_BEINGEXPANDED) | |
163 | clear_string_list_expander (a); /* call back to the parser */ | |
164 | ||
ccc6cda3 JA |
165 | free (a->value); |
166 | free (a->name); | |
167 | free (data); | |
168 | } | |
169 | ||
726f6388 JA |
170 | /* Remove the alias with name NAME from the alias table. Returns |
171 | the number of aliases left in the table, or -1 if the alias didn't | |
172 | exist. */ | |
173 | int | |
174 | remove_alias (name) | |
175 | char *name; | |
176 | { | |
177 | BUCKET_CONTENTS *elt; | |
178 | ||
ccc6cda3 | 179 | if (aliases == 0) |
726f6388 JA |
180 | return (-1); |
181 | ||
7117c2d2 | 182 | elt = hash_remove (name, aliases, 0); |
726f6388 JA |
183 | if (elt) |
184 | { | |
ccc6cda3 | 185 | free_alias_data (elt->data); |
726f6388 | 186 | free (elt->key); /* alias name */ |
d166f048 | 187 | free (elt); /* XXX */ |
bb70624e JA |
188 | #if defined (PROGRAMMABLE_COMPLETION) |
189 | set_itemlist_dirty (&it_aliases); | |
190 | #endif | |
726f6388 JA |
191 | return (aliases->nentries); |
192 | } | |
193 | return (-1); | |
194 | } | |
195 | ||
726f6388 JA |
196 | /* Delete all aliases. */ |
197 | void | |
198 | delete_all_aliases () | |
199 | { | |
ccc6cda3 | 200 | if (aliases == 0) |
726f6388 JA |
201 | return; |
202 | ||
7117c2d2 JA |
203 | hash_flush (aliases, free_alias_data); |
204 | hash_dispose (aliases); | |
726f6388 | 205 | aliases = (HASH_TABLE *)NULL; |
bb70624e JA |
206 | #if defined (PROGRAMMABLE_COMPLETION) |
207 | set_itemlist_dirty (&it_aliases); | |
208 | #endif | |
726f6388 JA |
209 | } |
210 | ||
211 | /* Return an array of aliases that satisfy the conditions tested by FUNCTION. | |
212 | If FUNCTION is NULL, return all aliases. */ | |
ccc6cda3 | 213 | static alias_t ** |
726f6388 | 214 | map_over_aliases (function) |
f73dda09 | 215 | sh_alias_map_func_t *function; |
726f6388 JA |
216 | { |
217 | register int i; | |
218 | register BUCKET_CONTENTS *tlist; | |
ccc6cda3 | 219 | alias_t *alias, **list; |
7117c2d2 | 220 | int list_index; |
726f6388 | 221 | |
7117c2d2 JA |
222 | i = HASH_ENTRIES (aliases); |
223 | if (i == 0) | |
224 | return ((alias_t **)NULL); | |
726f6388 | 225 | |
7117c2d2 JA |
226 | list = (alias_t **)xmalloc ((i + 1) * sizeof (alias_t *)); |
227 | for (i = list_index = 0; i < aliases->nbuckets; i++) | |
228 | { | |
229 | for (tlist = hash_items (i, aliases); tlist; tlist = tlist->next) | |
726f6388 | 230 | { |
ccc6cda3 | 231 | alias = (alias_t *)tlist->data; |
726f6388 JA |
232 | |
233 | if (!function || (*function) (alias)) | |
234 | { | |
726f6388 | 235 | list[list_index++] = alias; |
ccc6cda3 | 236 | list[list_index] = (alias_t *)NULL; |
726f6388 | 237 | } |
726f6388 JA |
238 | } |
239 | } | |
240 | return (list); | |
241 | } | |
242 | ||
243 | static void | |
244 | sort_aliases (array) | |
ccc6cda3 | 245 | alias_t **array; |
726f6388 | 246 | { |
7117c2d2 | 247 | qsort (array, strvec_len ((char **)array), sizeof (alias_t *), (QSFUNC *)qsort_alias_compare); |
726f6388 JA |
248 | } |
249 | ||
250 | static int | |
251 | qsort_alias_compare (as1, as2) | |
ccc6cda3 | 252 | alias_t **as1, **as2; |
726f6388 JA |
253 | { |
254 | int result; | |
ccc6cda3 | 255 | |
726f6388 JA |
256 | if ((result = (*as1)->name[0] - (*as2)->name[0]) == 0) |
257 | result = strcmp ((*as1)->name, (*as2)->name); | |
258 | ||
259 | return (result); | |
260 | } | |
ccc6cda3 JA |
261 | |
262 | /* Return a sorted list of all defined aliases */ | |
263 | alias_t ** | |
726f6388 JA |
264 | all_aliases () |
265 | { | |
ccc6cda3 | 266 | alias_t **list; |
726f6388 | 267 | |
7117c2d2 | 268 | if (aliases == 0 || HASH_ENTRIES (aliases) == 0) |
ccc6cda3 | 269 | return ((alias_t **)NULL); |
726f6388 | 270 | |
f73dda09 | 271 | list = map_over_aliases ((sh_alias_map_func_t *)NULL); |
726f6388 JA |
272 | if (list) |
273 | sort_aliases (list); | |
274 | return (list); | |
275 | } | |
276 | ||
277 | char * | |
278 | alias_expand_word (s) | |
279 | char *s; | |
280 | { | |
ccc6cda3 | 281 | alias_t *r; |
726f6388 | 282 | |
ccc6cda3 JA |
283 | r = find_alias (s); |
284 | return (r ? savestring (r->value) : (char *)NULL); | |
726f6388 JA |
285 | } |
286 | ||
d166f048 JA |
287 | /* Readline support functions -- expand all aliases in a line. */ |
288 | ||
289 | #if defined (READLINE) | |
290 | ||
726f6388 JA |
291 | /* Return non-zero if CHARACTER is a member of the class of characters |
292 | that are self-delimiting in the shell (this really means that these | |
293 | characters delimit tokens). */ | |
294 | #define self_delimiting(character) (member ((character), " \t\n\r;|&()")) | |
295 | ||
296 | /* Return non-zero if CHARACTER is a member of the class of characters | |
297 | that delimit commands in the shell. */ | |
298 | #define command_separator(character) (member ((character), "\r\n;|&(")) | |
299 | ||
300 | /* If this is 1, we are checking the next token read for alias expansion | |
301 | because it is the first word in a command. */ | |
302 | static int command_word; | |
303 | ||
304 | /* This is for skipping quoted strings in alias expansions. */ | |
305 | #define quote_char(c) (((c) == '\'') || ((c) == '"')) | |
306 | ||
307 | /* Consume a quoted string from STRING, starting at string[START] (so | |
308 | string[START] is the opening quote character), and return the index | |
309 | of the closing quote character matching the opening quote character. | |
310 | This handles single matching pairs of unquoted quotes; it could afford | |
311 | to be a little smarter... This skips words between balanced pairs of | |
312 | quotes, words where the first character is quoted with a `\', and other | |
313 | backslash-escaped characters. */ | |
314 | ||
315 | static int | |
316 | skipquotes (string, start) | |
317 | char *string; | |
318 | int start; | |
319 | { | |
320 | register int i; | |
321 | int delimiter = string[start]; | |
322 | ||
323 | /* i starts at START + 1 because string[START] is the opening quote | |
324 | character. */ | |
325 | for (i = start + 1 ; string[i] ; i++) | |
326 | { | |
327 | if (string[i] == '\\') | |
328 | { | |
329 | i++; /* skip backslash-quoted quote characters, too */ | |
495aee44 CR |
330 | if (string[i] == 0) |
331 | break; | |
726f6388 JA |
332 | continue; |
333 | } | |
334 | ||
335 | if (string[i] == delimiter) | |
336 | return i; | |
337 | } | |
338 | return (i); | |
339 | } | |
340 | ||
341 | /* Skip the white space and any quoted characters in STRING, starting at | |
342 | START. Return the new index into STRING, after zero or more characters | |
343 | have been skipped. */ | |
344 | static int | |
345 | skipws (string, start) | |
346 | char *string; | |
347 | int start; | |
348 | { | |
f73dda09 JA |
349 | register int i; |
350 | int pass_next, backslash_quoted_word; | |
351 | unsigned char peekc; | |
726f6388 JA |
352 | |
353 | /* skip quoted strings, in ' or ", and words in which a character is quoted | |
354 | with a `\'. */ | |
f73dda09 | 355 | i = backslash_quoted_word = pass_next = 0; |
726f6388 JA |
356 | |
357 | /* Skip leading whitespace (or separator characters), and quoted words. | |
358 | But save it in the output. */ | |
359 | ||
360 | for (i = start; string[i]; i++) | |
361 | { | |
362 | if (pass_next) | |
363 | { | |
364 | pass_next = 0; | |
365 | continue; | |
366 | } | |
367 | ||
368 | if (whitespace (string[i])) | |
369 | { | |
370 | backslash_quoted_word = 0; /* we are no longer in a backslash-quoted word */ | |
371 | continue; | |
372 | } | |
373 | ||
374 | if (string[i] == '\\') | |
375 | { | |
376 | peekc = string[i+1]; | |
495aee44 CR |
377 | if (peekc == 0) |
378 | break; | |
f73dda09 | 379 | if (ISLETTER (peekc)) |
726f6388 JA |
380 | backslash_quoted_word++; /* this is a backslash-quoted word */ |
381 | else | |
382 | pass_next++; | |
383 | continue; | |
384 | } | |
385 | ||
386 | /* This only handles single pairs of non-escaped quotes. This | |
387 | overloads backslash_quoted_word to also mean that a word like | |
388 | ""f is being scanned, so that the quotes will inhibit any expansion | |
389 | of the word. */ | |
390 | if (quote_char(string[i])) | |
391 | { | |
392 | i = skipquotes (string, i); | |
393 | /* This could be a line that contains a single quote character, | |
394 | in which case skipquotes () terminates with string[i] == '\0' | |
395 | (the end of the string). Check for that here. */ | |
396 | if (string[i] == '\0') | |
397 | break; | |
398 | ||
399 | peekc = string[i + 1]; | |
f73dda09 | 400 | if (ISLETTER (peekc)) |
726f6388 JA |
401 | backslash_quoted_word++; |
402 | continue; | |
403 | } | |
404 | ||
405 | /* If we're in the middle of some kind of quoted word, let it | |
406 | pass through. */ | |
407 | if (backslash_quoted_word) | |
408 | continue; | |
409 | ||
410 | /* If this character is a shell command separator, then set a hint for | |
411 | alias_expand that the next token is the first word in a command. */ | |
412 | ||
413 | if (command_separator (string[i])) | |
414 | { | |
415 | command_word++; | |
416 | continue; | |
417 | } | |
418 | break; | |
419 | } | |
420 | return (i); | |
421 | } | |
422 | ||
423 | /* Characters that may appear in a token. Basically, anything except white | |
424 | space and a token separator. */ | |
425 | #define token_char(c) (!((whitespace (string[i]) || self_delimiting (string[i])))) | |
426 | ||
427 | /* Read from START in STRING until the next separator character, and return | |
428 | the index of that separator. Skip backslash-quoted characters. Call | |
429 | skipquotes () for quoted strings in the middle or at the end of tokens, | |
430 | so all characters show up (e.g. foo'' and foo""bar) */ | |
431 | static int | |
432 | rd_token (string, start) | |
ccc6cda3 | 433 | char *string; |
726f6388 JA |
434 | int start; |
435 | { | |
436 | register int i; | |
437 | ||
438 | /* From here to next separator character is a token. */ | |
439 | for (i = start; string[i] && token_char (string[i]); i++) | |
440 | { | |
441 | if (string[i] == '\\') | |
442 | { | |
443 | i++; /* skip backslash-escaped character */ | |
495aee44 CR |
444 | if (string[i] == 0) |
445 | break; | |
726f6388 JA |
446 | continue; |
447 | } | |
448 | ||
449 | /* If this character is a quote character, we want to call skipquotes | |
450 | to get the whole quoted portion as part of this word. That word | |
451 | will not generally match an alias, even if te unquoted word would | |
ccc6cda3 | 452 | have. The presence of the quotes in the token serves then to |
726f6388 JA |
453 | inhibit expansion. */ |
454 | if (quote_char (string[i])) | |
455 | { | |
456 | i = skipquotes (string, i); | |
cce855bc JA |
457 | /* This could be a line that contains a single quote character, |
458 | in which case skipquotes () terminates with string[i] == '\0' | |
459 | (the end of the string). Check for that here. */ | |
460 | if (string[i] == '\0') | |
461 | break; | |
462 | ||
726f6388 JA |
463 | /* Now string[i] is the matching quote character, and the |
464 | quoted portion of the token has been scanned. */ | |
465 | continue; | |
466 | } | |
467 | } | |
468 | return (i); | |
469 | } | |
470 | ||
471 | /* Return a new line, with any aliases substituted. */ | |
472 | char * | |
473 | alias_expand (string) | |
474 | char *string; | |
475 | { | |
726f6388 | 476 | register int i, j, start; |
bb70624e JA |
477 | char *line, *token; |
478 | int line_len, tl, real_start, expand_next, expand_this_token; | |
ccc6cda3 | 479 | alias_t *alias; |
726f6388 | 480 | |
bb70624e | 481 | line_len = strlen (string) + 1; |
f73dda09 JA |
482 | line = (char *)xmalloc (line_len); |
483 | token = (char *)xmalloc (line_len); | |
bb70624e | 484 | |
726f6388 JA |
485 | line[0] = i = 0; |
486 | expand_next = 0; | |
487 | command_word = 1; /* initialized to expand the first word on the line */ | |
488 | ||
489 | /* Each time through the loop we find the next word in line. If it | |
bb70624e JA |
490 | has an alias, substitute the alias value. If the value ends in ` ', |
491 | then try again with the next word. Else, if there is no value, or if | |
726f6388 JA |
492 | the value does not end in space, we are done. */ |
493 | ||
494 | for (;;) | |
495 | { | |
496 | ||
497 | token[0] = 0; | |
498 | start = i; | |
499 | ||
500 | /* Skip white space and quoted characters */ | |
501 | i = skipws (string, start); | |
502 | ||
503 | if (start == i && string[i] == '\0') | |
504 | { | |
505 | free (token); | |
506 | return (line); | |
507 | } | |
508 | ||
509 | /* copy the just-skipped characters into the output string, | |
510 | expanding it if there is not enough room. */ | |
511 | j = strlen (line); | |
512 | tl = i - start; /* number of characters just skipped */ | |
ccc6cda3 | 513 | RESIZE_MALLOCED_BUFFER (line, j, (tl + 1), line_len, (tl + 50)); |
726f6388 JA |
514 | strncpy (line + j, string + start, tl); |
515 | line[j + tl] = '\0'; | |
516 | ||
517 | real_start = i; | |
518 | ||
519 | command_word = command_word || (command_separator (string[i])); | |
520 | expand_this_token = (command_word || expand_next); | |
521 | expand_next = 0; | |
522 | ||
523 | /* Read the next token, and copy it into TOKEN. */ | |
524 | start = i; | |
525 | i = rd_token (string, start); | |
526 | ||
527 | tl = i - start; /* token length */ | |
528 | ||
529 | /* If tl == 0, but we're not at the end of the string, then we have a | |
530 | single-character token, probably a delimiter */ | |
531 | if (tl == 0 && string[i] != '\0') | |
532 | { | |
533 | tl = 1; | |
534 | i++; /* move past it */ | |
535 | } | |
536 | ||
537 | strncpy (token, string + start, tl); | |
538 | token [tl] = '\0'; | |
539 | ||
540 | /* If there is a backslash-escaped character quoted in TOKEN, | |
541 | then we don't do alias expansion. This should check for all | |
542 | other quoting characters, too. */ | |
0001803f | 543 | if (mbschr (token, '\\')) |
726f6388 JA |
544 | expand_this_token = 0; |
545 | ||
546 | /* If we should be expanding here, if we are expanding all words, or if | |
547 | we are in a location in the string where an expansion is supposed to | |
548 | take place, see if this word has a substitution. If it does, then do | |
549 | the expansion. Note that we defer the alias value lookup until we | |
550 | are sure we are expanding this token. */ | |
551 | ||
552 | if ((token[0]) && | |
553 | (expand_this_token || alias_expand_all) && | |
554 | (alias = find_alias (token))) | |
555 | { | |
ccc6cda3 JA |
556 | char *v; |
557 | int vlen, llen; | |
558 | ||
559 | v = alias->value; | |
560 | vlen = strlen (v); | |
561 | llen = strlen (line); | |
562 | ||
726f6388 | 563 | /* +3 because we possibly add one more character below. */ |
ccc6cda3 | 564 | RESIZE_MALLOCED_BUFFER (line, llen, (vlen + 3), line_len, (vlen + 50)); |
726f6388 | 565 | |
ccc6cda3 | 566 | strcpy (line + llen, v); |
726f6388 | 567 | |
ccc6cda3 | 568 | if ((expand_this_token && vlen && whitespace (v[vlen - 1])) || |
726f6388 JA |
569 | alias_expand_all) |
570 | expand_next = 1; | |
571 | } | |
572 | else | |
573 | { | |
ccc6cda3 JA |
574 | int llen, tlen; |
575 | ||
576 | llen = strlen (line); | |
577 | tlen = i - real_start; /* tlen == strlen(token) */ | |
726f6388 | 578 | |
ccc6cda3 | 579 | RESIZE_MALLOCED_BUFFER (line, llen, (tlen + 1), line_len, (llen + tlen + 50)); |
726f6388 | 580 | |
ccc6cda3 JA |
581 | strncpy (line + llen, string + real_start, tlen); |
582 | line[llen + tlen] = '\0'; | |
726f6388 JA |
583 | } |
584 | command_word = 0; | |
585 | } | |
586 | } | |
d166f048 | 587 | #endif /* READLINE */ |
ccc6cda3 | 588 | #endif /* ALIAS */ |