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Commit | Line | Data |
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f73dda09 JA |
1 | /* arrayfunc.c -- High-level array functions used by other parts of the shell. */ |
2 | ||
276cb932 | 3 | /* Copyright (C) 2001-2011 Free Software Foundation, Inc. |
f73dda09 JA |
4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
2e4498b3 CR |
7 | Bash is free software: you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation, either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | Bash is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
f73dda09 JA |
20 | |
21 | #include "config.h" | |
22 | ||
23 | #if defined (ARRAY_VARS) | |
24 | ||
25 | #if defined (HAVE_UNISTD_H) | |
26 | # include <unistd.h> | |
27 | #endif | |
28 | #include <stdio.h> | |
29 | ||
5e13499c CR |
30 | #include "bashintl.h" |
31 | ||
f73dda09 | 32 | #include "shell.h" |
48ff5447 | 33 | #include "pathexp.h" |
7117c2d2 JA |
34 | |
35 | #include "shmbutil.h" | |
36 | ||
f73dda09 JA |
37 | #include "builtins/common.h" |
38 | ||
39 | extern char *this_command_name; | |
40 | extern int last_command_exit_value; | |
633e5c6d | 41 | extern int array_needs_making; |
f73dda09 | 42 | |
fdf670ea | 43 | static SHELL_VAR *bind_array_var_internal __P((SHELL_VAR *, arrayind_t, char *, char *, int)); |
276cb932 | 44 | static SHELL_VAR *assign_array_element_internal __P((SHELL_VAR *, char *, char *, char *, int, char *, int)); |
d11b8b46 | 45 | |
4ac1ff98 | 46 | static char *quote_assign __P((const char *)); |
f73dda09 | 47 | static void quote_array_assignment_chars __P((WORD_LIST *)); |
68dfe178 | 48 | static char *array_value_internal __P((char *, int, int, int *, arrayind_t *)); |
f73dda09 | 49 | |
5e13499c | 50 | /* Standard error message to use when encountering an invalid array subscript */ |
d3ad40de | 51 | const char * const bash_badsub_errmsg = N_("bad array subscript"); |
5e13499c | 52 | |
f73dda09 JA |
53 | /* **************************************************************** */ |
54 | /* */ | |
55 | /* Functions to manipulate array variables and perform assignments */ | |
56 | /* */ | |
57 | /* **************************************************************** */ | |
58 | ||
59 | /* Convert a shell variable to an array variable. The original value is | |
60 | saved as array[0]. */ | |
61 | SHELL_VAR * | |
62 | convert_var_to_array (var) | |
63 | SHELL_VAR *var; | |
64 | { | |
65 | char *oldval; | |
66 | ARRAY *array; | |
67 | ||
68 | oldval = value_cell (var); | |
7117c2d2 | 69 | array = array_create (); |
d3a24ed2 CR |
70 | if (oldval) |
71 | array_insert (array, 0, oldval); | |
f73dda09 JA |
72 | |
73 | FREE (value_cell (var)); | |
7117c2d2 JA |
74 | var_setarray (var, array); |
75 | ||
76 | /* these aren't valid anymore */ | |
77 | var->dynamic_value = (sh_var_value_func_t *)NULL; | |
78 | var->assign_func = (sh_var_assign_func_t *)NULL; | |
f73dda09 JA |
79 | |
80 | INVALIDATE_EXPORTSTR (var); | |
633e5c6d CR |
81 | if (exported_p (var)) |
82 | array_needs_making++; | |
f73dda09 JA |
83 | |
84 | VSETATTR (var, att_array); | |
85 | VUNSETATTR (var, att_invisible); | |
86 | ||
87 | return var; | |
88 | } | |
89 | ||
fdf670ea CR |
90 | /* Convert a shell variable to an array variable. The original value is |
91 | saved as array[0]. */ | |
92 | SHELL_VAR * | |
93 | convert_var_to_assoc (var) | |
94 | SHELL_VAR *var; | |
95 | { | |
96 | char *oldval; | |
97 | HASH_TABLE *hash; | |
98 | ||
99 | oldval = value_cell (var); | |
100 | hash = assoc_create (0); | |
101 | if (oldval) | |
af98a2a6 | 102 | assoc_insert (hash, savestring ("0"), oldval); |
fdf670ea CR |
103 | |
104 | FREE (value_cell (var)); | |
105 | var_setassoc (var, hash); | |
106 | ||
107 | /* these aren't valid anymore */ | |
108 | var->dynamic_value = (sh_var_value_func_t *)NULL; | |
109 | var->assign_func = (sh_var_assign_func_t *)NULL; | |
110 | ||
111 | INVALIDATE_EXPORTSTR (var); | |
112 | if (exported_p (var)) | |
113 | array_needs_making++; | |
114 | ||
115 | VSETATTR (var, att_assoc); | |
116 | VUNSETATTR (var, att_invisible); | |
117 | ||
118 | return var; | |
119 | } | |
120 | ||
861a1900 CR |
121 | char * |
122 | make_array_variable_value (entry, ind, key, value, flags) | |
d11b8b46 CR |
123 | SHELL_VAR *entry; |
124 | arrayind_t ind; | |
fdf670ea | 125 | char *key; |
d11b8b46 CR |
126 | char *value; |
127 | int flags; | |
128 | { | |
129 | SHELL_VAR *dentry; | |
130 | char *newval; | |
131 | ||
132 | /* If we're appending, we need the old value of the array reference, so | |
133 | fake out make_variable_value with a dummy SHELL_VAR */ | |
134 | if (flags & ASS_APPEND) | |
135 | { | |
136 | dentry = (SHELL_VAR *)xmalloc (sizeof (SHELL_VAR)); | |
137 | dentry->name = savestring (entry->name); | |
fdf670ea CR |
138 | if (assoc_p (entry)) |
139 | newval = assoc_reference (assoc_cell (entry), key); | |
140 | else | |
141 | newval = array_reference (array_cell (entry), ind); | |
d11b8b46 CR |
142 | if (newval) |
143 | dentry->value = savestring (newval); | |
144 | else | |
145 | { | |
146 | dentry->value = (char *)xmalloc (1); | |
147 | dentry->value[0] = '\0'; | |
148 | } | |
149 | dentry->exportstr = 0; | |
fdf670ea | 150 | dentry->attributes = entry->attributes & ~(att_array|att_assoc|att_exported); |
d11b8b46 CR |
151 | /* Leave the rest of the members uninitialized; the code doesn't look |
152 | at them. */ | |
153 | newval = make_variable_value (dentry, value, flags); | |
154 | dispose_variable (dentry); | |
155 | } | |
156 | else | |
157 | newval = make_variable_value (entry, value, flags); | |
158 | ||
861a1900 CR |
159 | return newval; |
160 | } | |
161 | ||
162 | static SHELL_VAR * | |
163 | bind_array_var_internal (entry, ind, key, value, flags) | |
164 | SHELL_VAR *entry; | |
165 | arrayind_t ind; | |
166 | char *key; | |
167 | char *value; | |
168 | int flags; | |
169 | { | |
170 | char *newval; | |
171 | ||
172 | newval = make_array_variable_value (entry, ind, key, value, flags); | |
173 | ||
d11b8b46 | 174 | if (entry->assign_func) |
fdf670ea CR |
175 | (*entry->assign_func) (entry, newval, ind, key); |
176 | else if (assoc_p (entry)) | |
177 | assoc_insert (assoc_cell (entry), key, newval); | |
d11b8b46 CR |
178 | else |
179 | array_insert (array_cell (entry), ind, newval); | |
180 | FREE (newval); | |
181 | ||
182 | return (entry); | |
183 | } | |
184 | ||
f73dda09 JA |
185 | /* Perform an array assignment name[ind]=value. If NAME already exists and |
186 | is not an array, and IND is 0, perform name=value instead. If NAME exists | |
187 | and is not an array, and IND is not 0, convert it into an array with the | |
188 | existing value as name[0]. | |
189 | ||
190 | If NAME does not exist, just create an array variable, no matter what | |
191 | IND's value may be. */ | |
192 | SHELL_VAR * | |
d11b8b46 | 193 | bind_array_variable (name, ind, value, flags) |
f73dda09 JA |
194 | char *name; |
195 | arrayind_t ind; | |
196 | char *value; | |
d11b8b46 | 197 | int flags; |
f73dda09 JA |
198 | { |
199 | SHELL_VAR *entry; | |
f73dda09 | 200 | |
348a457e | 201 | entry = find_shell_variable (name); |
f73dda09 JA |
202 | |
203 | if (entry == (SHELL_VAR *) 0) | |
204 | entry = make_new_array_variable (name); | |
205 | else if (readonly_p (entry) || noassign_p (entry)) | |
206 | { | |
207 | if (readonly_p (entry)) | |
7117c2d2 | 208 | err_readonly (name); |
f73dda09 JA |
209 | return (entry); |
210 | } | |
211 | else if (array_p (entry) == 0) | |
212 | entry = convert_var_to_array (entry); | |
213 | ||
214 | /* ENTRY is an array variable, and ARRAY points to the value. */ | |
fdf670ea | 215 | return (bind_array_var_internal (entry, ind, 0, value, flags)); |
f73dda09 JA |
216 | } |
217 | ||
6a8fd0ed CR |
218 | SHELL_VAR * |
219 | bind_array_element (entry, ind, value, flags) | |
220 | SHELL_VAR *entry; | |
221 | arrayind_t ind; | |
222 | char *value; | |
223 | int flags; | |
224 | { | |
fdf670ea | 225 | return (bind_array_var_internal (entry, ind, 0, value, flags)); |
6a8fd0ed CR |
226 | } |
227 | ||
fdf670ea CR |
228 | SHELL_VAR * |
229 | bind_assoc_variable (entry, name, key, value, flags) | |
230 | SHELL_VAR *entry; | |
231 | char *name; | |
232 | char *key; | |
233 | char *value; | |
234 | int flags; | |
235 | { | |
236 | SHELL_VAR *dentry; | |
237 | char *newval; | |
238 | ||
239 | if (readonly_p (entry) || noassign_p (entry)) | |
240 | { | |
241 | if (readonly_p (entry)) | |
242 | err_readonly (name); | |
243 | return (entry); | |
244 | } | |
245 | ||
246 | return (bind_array_var_internal (entry, 0, key, value, flags)); | |
247 | } | |
248 | ||
f73dda09 JA |
249 | /* Parse NAME, a lhs of an assignment statement of the form v[s], and |
250 | assign VALUE to that array element by calling bind_array_variable(). */ | |
251 | SHELL_VAR * | |
d11b8b46 | 252 | assign_array_element (name, value, flags) |
f73dda09 | 253 | char *name, *value; |
d11b8b46 | 254 | int flags; |
f73dda09 | 255 | { |
276cb932 | 256 | char *sub, *vname; |
f73dda09 JA |
257 | int sublen; |
258 | SHELL_VAR *entry; | |
259 | ||
260 | vname = array_variable_name (name, &sub, &sublen); | |
261 | ||
262 | if (vname == 0) | |
263 | return ((SHELL_VAR *)NULL); | |
264 | ||
265 | if ((ALL_ELEMENT_SUB (sub[0]) && sub[1] == ']') || (sublen <= 1)) | |
266 | { | |
267 | free (vname); | |
7117c2d2 | 268 | err_badarraysub (name); |
f73dda09 JA |
269 | return ((SHELL_VAR *)NULL); |
270 | } | |
271 | ||
fdf670ea | 272 | entry = find_variable (vname); |
276cb932 CR |
273 | entry = assign_array_element_internal (entry, name, vname, sub, sublen, value, flags); |
274 | ||
275 | free (vname); | |
276 | return entry; | |
277 | } | |
278 | ||
279 | static SHELL_VAR * | |
280 | assign_array_element_internal (entry, name, vname, sub, sublen, value, flags) | |
281 | SHELL_VAR *entry; | |
282 | char *name; /* only used for error messages */ | |
283 | char *vname; | |
284 | char *sub; | |
285 | int sublen; | |
286 | char *value; | |
287 | int flags; | |
288 | { | |
289 | char *akey; | |
290 | arrayind_t ind; | |
fdf670ea CR |
291 | |
292 | if (entry && assoc_p (entry)) | |
f73dda09 | 293 | { |
fdf670ea CR |
294 | sub[sublen-1] = '\0'; |
295 | akey = expand_assignment_string_to_string (sub, 0); /* [ */ | |
296 | sub[sublen-1] = ']'; | |
297 | if (akey == 0 || *akey == 0) | |
298 | { | |
fdf670ea | 299 | err_badarraysub (name); |
631b20c6 | 300 | FREE (akey); |
fdf670ea CR |
301 | return ((SHELL_VAR *)NULL); |
302 | } | |
303 | entry = bind_assoc_variable (entry, vname, akey, value, flags); | |
304 | } | |
305 | else | |
306 | { | |
d9e1f41e | 307 | ind = array_expand_index (entry, sub, sublen); |
fdf670ea CR |
308 | if (ind < 0) |
309 | { | |
fdf670ea CR |
310 | err_badarraysub (name); |
311 | return ((SHELL_VAR *)NULL); | |
312 | } | |
313 | entry = bind_array_variable (vname, ind, value, flags); | |
f73dda09 | 314 | } |
f73dda09 | 315 | |
f73dda09 JA |
316 | return (entry); |
317 | } | |
318 | ||
319 | /* Find the array variable corresponding to NAME. If there is no variable, | |
320 | create a new array variable. If the variable exists but is not an array, | |
fdf670ea | 321 | convert it to an indexed array. If FLAGS&1 is non-zero, an existing |
f73dda09 | 322 | variable is checked for the readonly or noassign attribute in preparation |
fdf670ea CR |
323 | for assignment (e.g., by the `read' builtin). If FLAGS&2 is non-zero, we |
324 | create an associative array. */ | |
f73dda09 | 325 | SHELL_VAR * |
fdf670ea | 326 | find_or_make_array_variable (name, flags) |
f73dda09 | 327 | char *name; |
fdf670ea | 328 | int flags; |
f73dda09 JA |
329 | { |
330 | SHELL_VAR *var; | |
331 | ||
332 | var = find_variable (name); | |
d42cb8c1 CR |
333 | if (var == 0) |
334 | { | |
335 | /* See if we have a nameref pointing to a variable that hasn't been | |
336 | created yet. */ | |
337 | var = find_variable_last_nameref (name); | |
338 | if (var && nameref_p (var)) | |
339 | var = (flags & 2) ? make_new_assoc_variable (nameref_cell (var)) : make_new_array_variable (nameref_cell (var)); | |
340 | } | |
f73dda09 JA |
341 | |
342 | if (var == 0) | |
fdf670ea CR |
343 | var = (flags & 2) ? make_new_assoc_variable (name) : make_new_array_variable (name); |
344 | else if ((flags & 1) && (readonly_p (var) || noassign_p (var))) | |
f73dda09 JA |
345 | { |
346 | if (readonly_p (var)) | |
7117c2d2 | 347 | err_readonly (name); |
f73dda09 JA |
348 | return ((SHELL_VAR *)NULL); |
349 | } | |
fdf670ea CR |
350 | else if ((flags & 2) && array_p (var)) |
351 | { | |
1f6ec1a8 | 352 | last_command_exit_value = 1; |
fdf670ea CR |
353 | report_error (_("%s: cannot convert indexed to associative array"), name); |
354 | return ((SHELL_VAR *)NULL); | |
355 | } | |
356 | else if (array_p (var) == 0 && assoc_p (var) == 0) | |
f73dda09 JA |
357 | var = convert_var_to_array (var); |
358 | ||
359 | return (var); | |
360 | } | |
361 | ||
362 | /* Perform a compound assignment statement for array NAME, where VALUE is | |
363 | the text between the parens: NAME=( VALUE ) */ | |
364 | SHELL_VAR * | |
d11b8b46 | 365 | assign_array_from_string (name, value, flags) |
f73dda09 | 366 | char *name, *value; |
d11b8b46 | 367 | int flags; |
f73dda09 JA |
368 | { |
369 | SHELL_VAR *var; | |
fdf670ea | 370 | int vflags; |
f73dda09 | 371 | |
fdf670ea CR |
372 | vflags = 1; |
373 | if (flags & ASS_MKASSOC) | |
374 | vflags |= 2; | |
375 | ||
376 | var = find_or_make_array_variable (name, vflags); | |
f73dda09 JA |
377 | if (var == 0) |
378 | return ((SHELL_VAR *)NULL); | |
379 | ||
d11b8b46 | 380 | return (assign_array_var_from_string (var, value, flags)); |
f73dda09 JA |
381 | } |
382 | ||
383 | /* Sequentially assign the indices of indexed array variable VAR from the | |
384 | words in LIST. */ | |
385 | SHELL_VAR * | |
d11b8b46 | 386 | assign_array_var_from_word_list (var, list, flags) |
f73dda09 JA |
387 | SHELL_VAR *var; |
388 | WORD_LIST *list; | |
d11b8b46 | 389 | int flags; |
f73dda09 JA |
390 | { |
391 | register arrayind_t i; | |
392 | register WORD_LIST *l; | |
393 | ARRAY *a; | |
394 | ||
d11b8b46 CR |
395 | a = array_cell (var); |
396 | i = (flags & ASS_APPEND) ? array_max_index (a) + 1 : 0; | |
397 | ||
398 | for (l = list; l; l = l->next, i++) | |
f73dda09 | 399 | if (var->assign_func) |
fdf670ea | 400 | (*var->assign_func) (var, l->word->word, i, 0); |
f73dda09 | 401 | else |
7117c2d2 | 402 | array_insert (a, i, l->word->word); |
f73dda09 JA |
403 | return var; |
404 | } | |
405 | ||
d3ad40de | 406 | WORD_LIST * |
fdf670ea CR |
407 | expand_compound_array_assignment (var, value, flags) |
408 | SHELL_VAR *var; | |
f73dda09 | 409 | char *value; |
d11b8b46 | 410 | int flags; |
f73dda09 | 411 | { |
f73dda09 | 412 | WORD_LIST *list, *nlist; |
276cb932 | 413 | WORD_LIST *hd, *tl, *t, *n; |
d3ad40de CR |
414 | char *val; |
415 | int ni; | |
f73dda09 | 416 | |
276cb932 CR |
417 | /* This condition is true when invoked from the declare builtin with a |
418 | command like | |
419 | declare -a d='([1]="" [2]="bdef" [5]="hello world" "test")' */ | |
f73dda09 JA |
420 | if (*value == '(') /*)*/ |
421 | { | |
422 | ni = 1; | |
423 | val = extract_array_assignment_list (value, &ni); | |
424 | if (val == 0) | |
d3ad40de | 425 | return (WORD_LIST *)NULL; |
f73dda09 JA |
426 | } |
427 | else | |
428 | val = value; | |
429 | ||
430 | /* Expand the value string into a list of words, performing all the | |
431 | shell expansions including pathname generation and word splitting. */ | |
432 | /* First we split the string on whitespace, using the shell parser | |
433 | (ksh93 seems to do this). */ | |
5e13499c | 434 | list = parse_string_to_word_list (val, 1, "array assign"); |
f73dda09 | 435 | |
276cb932 CR |
436 | if (var && assoc_p (var)) |
437 | { | |
438 | if (val != value) | |
439 | free (val); | |
440 | return list; | |
441 | } | |
442 | ||
f73dda09 | 443 | /* If we're using [subscript]=value, we need to quote each [ and ] to |
276cb932 CR |
444 | prevent unwanted filename expansion. This doesn't need to be done |
445 | for associative array expansion, since that uses a different expansion | |
446 | function (see assign_compound_array_list below). */ | |
f73dda09 JA |
447 | if (list) |
448 | quote_array_assignment_chars (list); | |
449 | ||
450 | /* Now that we've split it, perform the shell expansions on each | |
451 | word in the list. */ | |
452 | nlist = list ? expand_words_no_vars (list) : (WORD_LIST *)NULL; | |
453 | ||
454 | dispose_words (list); | |
455 | ||
456 | if (val != value) | |
457 | free (val); | |
458 | ||
d3ad40de CR |
459 | return nlist; |
460 | } | |
461 | ||
824dfe68 | 462 | /* Callers ensure that VAR is not NULL */ |
d3ad40de CR |
463 | void |
464 | assign_compound_array_list (var, nlist, flags) | |
465 | SHELL_VAR *var; | |
466 | WORD_LIST *nlist; | |
467 | int flags; | |
468 | { | |
469 | ARRAY *a; | |
fdf670ea | 470 | HASH_TABLE *h; |
d3ad40de CR |
471 | WORD_LIST *list; |
472 | char *w, *val, *nval; | |
276cb932 | 473 | int len, iflags, free_val; |
d3ad40de | 474 | arrayind_t ind, last_ind; |
fdf670ea | 475 | char *akey; |
d3ad40de | 476 | |
fdf670ea CR |
477 | a = (var && array_p (var)) ? array_cell (var) : (ARRAY *)0; |
478 | h = (var && assoc_p (var)) ? assoc_cell (var) : (HASH_TABLE *)0; | |
479 | ||
480 | akey = (char *)0; | |
481 | ind = 0; | |
f73dda09 JA |
482 | |
483 | /* Now that we are ready to assign values to the array, kill the existing | |
484 | value. */ | |
fdf670ea CR |
485 | if ((flags & ASS_APPEND) == 0) |
486 | { | |
824dfe68 | 487 | if (a && array_p (var)) |
fdf670ea | 488 | array_flush (a); |
824dfe68 | 489 | else if (h && assoc_p (var)) |
fdf670ea CR |
490 | assoc_flush (h); |
491 | } | |
492 | ||
493 | last_ind = (a && (flags & ASS_APPEND)) ? array_max_index (a) + 1 : 0; | |
f73dda09 | 494 | |
d11b8b46 | 495 | for (list = nlist; list; list = list->next) |
f73dda09 | 496 | { |
d3ad40de | 497 | iflags = flags; |
f73dda09 JA |
498 | w = list->word->word; |
499 | ||
500 | /* We have a word of the form [ind]=value */ | |
5e13499c | 501 | if ((list->word->flags & W_ASSIGNMENT) && w[0] == '[') |
f73dda09 | 502 | { |
276cb932 CR |
503 | /* Don't have to handle embedded quotes specially any more, since |
504 | associative array subscripts have not been expanded yet (see | |
505 | above). */ | |
506 | len = skipsubscript (w, 0, 0); | |
f73dda09 | 507 | |
d11b8b46 CR |
508 | /* XXX - changes for `+=' */ |
509 | if (w[len] != ']' || (w[len+1] != '=' && (w[len+1] != '+' || w[len+2] != '='))) | |
f73dda09 | 510 | { |
fdf670ea CR |
511 | if (assoc_p (var)) |
512 | { | |
513 | err_badarraysub (w); | |
514 | continue; | |
515 | } | |
d11b8b46 | 516 | nval = make_variable_value (var, w, flags); |
f73dda09 | 517 | if (var->assign_func) |
fdf670ea | 518 | (*var->assign_func) (var, nval, last_ind, 0); |
f73dda09 | 519 | else |
7117c2d2 | 520 | array_insert (a, last_ind, nval); |
f73dda09 JA |
521 | FREE (nval); |
522 | last_ind++; | |
523 | continue; | |
524 | } | |
525 | ||
526 | if (len == 1) | |
527 | { | |
7117c2d2 | 528 | err_badarraysub (w); |
f73dda09 JA |
529 | continue; |
530 | } | |
531 | ||
532 | if (ALL_ELEMENT_SUB (w[1]) && len == 2) | |
533 | { | |
1f6ec1a8 | 534 | last_command_exit_value = 1; |
fdf670ea CR |
535 | if (assoc_p (var)) |
536 | report_error (_("%s: invalid associative array key"), w); | |
537 | else | |
538 | report_error (_("%s: cannot assign to non-numeric index"), w); | |
f73dda09 JA |
539 | continue; |
540 | } | |
541 | ||
fdf670ea | 542 | if (array_p (var)) |
f73dda09 | 543 | { |
d9e1f41e | 544 | ind = array_expand_index (var, w + 1, len); |
fdf670ea CR |
545 | if (ind < 0) |
546 | { | |
547 | err_badarraysub (w); | |
548 | continue; | |
549 | } | |
550 | ||
551 | last_ind = ind; | |
552 | } | |
553 | else if (assoc_p (var)) | |
554 | { | |
276cb932 CR |
555 | /* This is not performed above, see expand_compound_array_assignment */ |
556 | w[len] = '\0'; /*[*/ | |
557 | akey = expand_assignment_string_to_string (w+1, 0); | |
558 | w[len] = ']'; | |
559 | /* And we need to expand the value also, see below */ | |
fdf670ea CR |
560 | if (akey == 0 || *akey == 0) |
561 | { | |
562 | err_badarraysub (w); | |
631b20c6 | 563 | FREE (akey); |
fdf670ea CR |
564 | continue; |
565 | } | |
f73dda09 | 566 | } |
fdf670ea | 567 | |
d3ad40de | 568 | /* XXX - changes for `+=' -- just accept the syntax. ksh93 doesn't do this */ |
d11b8b46 CR |
569 | if (w[len + 1] == '+' && w[len + 2] == '=') |
570 | { | |
d3ad40de | 571 | iflags |= ASS_APPEND; |
d11b8b46 CR |
572 | val = w + len + 3; |
573 | } | |
574 | else | |
276cb932 | 575 | val = w + len + 2; |
f73dda09 | 576 | } |
fdf670ea CR |
577 | else if (assoc_p (var)) |
578 | { | |
1f6ec1a8 | 579 | last_command_exit_value = 1; |
fdf670ea CR |
580 | report_error (_("%s: %s: must use subscript when assigning associative array"), var->name, w); |
581 | continue; | |
582 | } | |
f73dda09 JA |
583 | else /* No [ind]=value, just a stray `=' */ |
584 | { | |
585 | ind = last_ind; | |
586 | val = w; | |
587 | } | |
588 | ||
276cb932 CR |
589 | free_val = 0; |
590 | /* See above; we need to expand the value here */ | |
591 | if (assoc_p (var)) | |
592 | { | |
593 | val = expand_assignment_string_to_string (val, 0); | |
594 | free_val = 1; | |
595 | } | |
596 | ||
f73dda09 JA |
597 | if (integer_p (var)) |
598 | this_command_name = (char *)NULL; /* no command name for errors */ | |
fdf670ea | 599 | bind_array_var_internal (var, ind, akey, val, iflags); |
f73dda09 | 600 | last_ind++; |
276cb932 CR |
601 | |
602 | if (free_val) | |
603 | free (val); | |
f73dda09 | 604 | } |
d3ad40de CR |
605 | } |
606 | ||
607 | /* Perform a compound array assignment: VAR->name=( VALUE ). The | |
608 | VALUE has already had the parentheses stripped. */ | |
609 | SHELL_VAR * | |
610 | assign_array_var_from_string (var, value, flags) | |
611 | SHELL_VAR *var; | |
612 | char *value; | |
613 | int flags; | |
614 | { | |
615 | WORD_LIST *nlist; | |
616 | ||
617 | if (value == 0) | |
618 | return var; | |
619 | ||
fdf670ea | 620 | nlist = expand_compound_array_assignment (var, value, flags); |
d3ad40de | 621 | assign_compound_array_list (var, nlist, flags); |
f73dda09 | 622 | |
d3ad40de CR |
623 | if (nlist) |
624 | dispose_words (nlist); | |
f73dda09 JA |
625 | return (var); |
626 | } | |
627 | ||
fdf670ea CR |
628 | /* Quote globbing chars and characters in $IFS before the `=' in an assignment |
629 | statement (usually a compound array assignment) to protect them from | |
630 | unwanted filename expansion or word splitting. */ | |
4ac1ff98 CR |
631 | static char * |
632 | quote_assign (string) | |
633 | const char *string; | |
634 | { | |
635 | size_t slen; | |
636 | int saw_eq; | |
3eb2d94a | 637 | char *temp, *t, *subs; |
4ac1ff98 | 638 | const char *s, *send; |
3eb2d94a | 639 | int ss, se; |
4ac1ff98 CR |
640 | DECLARE_MBSTATE; |
641 | ||
642 | slen = strlen (string); | |
643 | send = string + slen; | |
644 | ||
645 | t = temp = (char *)xmalloc (slen * 2 + 1); | |
646 | saw_eq = 0; | |
647 | for (s = string; *s; ) | |
648 | { | |
649 | if (*s == '=') | |
650 | saw_eq = 1; | |
3eb2d94a CR |
651 | if (saw_eq == 0 && *s == '[') /* looks like a subscript */ |
652 | { | |
653 | ss = s - string; | |
654 | se = skipsubscript (string, ss, 0); | |
655 | subs = substring (s, ss, se); | |
656 | *t++ = '\\'; | |
657 | strcpy (t, subs); | |
658 | t += se - ss; | |
659 | *t++ = '\\'; | |
660 | *t++ = ']'; | |
661 | s += se + 1; | |
662 | free (subs); | |
663 | continue; | |
664 | } | |
4ac1ff98 CR |
665 | if (saw_eq == 0 && (glob_char_p (s) || isifs (*s))) |
666 | *t++ = '\\'; | |
667 | ||
668 | COPY_CHAR_P (t, s, send); | |
669 | } | |
670 | *t = '\0'; | |
671 | return temp; | |
672 | } | |
673 | ||
f73dda09 | 674 | /* For each word in a compound array assignment, if the word looks like |
fdf670ea | 675 | [ind]=value, quote globbing chars and characters in $IFS before the `='. */ |
f73dda09 JA |
676 | static void |
677 | quote_array_assignment_chars (list) | |
678 | WORD_LIST *list; | |
679 | { | |
4ac1ff98 | 680 | char *nword; |
f73dda09 JA |
681 | WORD_LIST *l; |
682 | ||
683 | for (l = list; l; l = l->next) | |
684 | { | |
685 | if (l->word == 0 || l->word->word == 0 || l->word->word[0] == '\0') | |
686 | continue; /* should not happen, but just in case... */ | |
687 | /* Don't bother if it doesn't look like [ind]=value */ | |
d0ca3503 | 688 | if (l->word->word[0] != '[' || mbschr (l->word->word, '=') == 0) /* ] */ |
f73dda09 | 689 | continue; |
4ac1ff98 | 690 | nword = quote_assign (l->word->word); |
f73dda09 JA |
691 | free (l->word->word); |
692 | l->word->word = nword; | |
693 | } | |
694 | } | |
695 | ||
6932f7f5 | 696 | /* skipsubscript moved to subst.c to use private functions. 2009/02/24. */ |
f73dda09 JA |
697 | |
698 | /* This function is called with SUB pointing to just after the beginning | |
699 | `[' of an array subscript and removes the array element to which SUB | |
700 | expands from array VAR. A subscript of `*' or `@' unsets the array. */ | |
701 | int | |
702 | unbind_array_element (var, sub) | |
703 | SHELL_VAR *var; | |
704 | char *sub; | |
705 | { | |
706 | int len; | |
707 | arrayind_t ind; | |
fdf670ea | 708 | char *akey; |
f73dda09 JA |
709 | ARRAY_ELEMENT *ae; |
710 | ||
3eb2d94a | 711 | len = skipsubscript (sub, 0, 0); |
f73dda09 JA |
712 | if (sub[len] != ']' || len == 0) |
713 | { | |
5e13499c | 714 | builtin_error ("%s[%s: %s", var->name, sub, _(bash_badsub_errmsg)); |
f73dda09 JA |
715 | return -1; |
716 | } | |
717 | sub[len] = '\0'; | |
718 | ||
719 | if (ALL_ELEMENT_SUB (sub[0]) && sub[1] == 0) | |
720 | { | |
7117c2d2 | 721 | unbind_variable (var->name); |
f73dda09 JA |
722 | return (0); |
723 | } | |
fdf670ea CR |
724 | |
725 | if (assoc_p (var)) | |
f73dda09 | 726 | { |
fdf670ea CR |
727 | akey = expand_assignment_string_to_string (sub, 0); /* [ */ |
728 | if (akey == 0 || *akey == 0) | |
729 | { | |
730 | builtin_error ("[%s]: %s", sub, _(bash_badsub_errmsg)); | |
631b20c6 | 731 | FREE (akey); |
fdf670ea CR |
732 | return -1; |
733 | } | |
734 | assoc_remove (assoc_cell (var), akey); | |
68dfe178 | 735 | free (akey); |
f73dda09 | 736 | } |
fdf670ea CR |
737 | else |
738 | { | |
d9e1f41e | 739 | ind = array_expand_index (var, sub, len+1); |
fdf670ea CR |
740 | if (ind < 0) |
741 | { | |
742 | builtin_error ("[%s]: %s", sub, _(bash_badsub_errmsg)); | |
743 | return -1; | |
744 | } | |
745 | ae = array_remove (array_cell (var), ind); | |
746 | if (ae) | |
747 | array_dispose_element (ae); | |
748 | } | |
749 | ||
f73dda09 JA |
750 | return 0; |
751 | } | |
752 | ||
753 | /* Format and output an array assignment in compound form VAR=(VALUES), | |
754 | suitable for re-use as input. */ | |
755 | void | |
756 | print_array_assignment (var, quoted) | |
757 | SHELL_VAR *var; | |
758 | int quoted; | |
759 | { | |
760 | char *vstr; | |
761 | ||
7117c2d2 | 762 | vstr = array_to_assign (array_cell (var), quoted); |
f73dda09 JA |
763 | |
764 | if (vstr == 0) | |
765 | printf ("%s=%s\n", var->name, quoted ? "'()'" : "()"); | |
766 | else | |
767 | { | |
768 | printf ("%s=%s\n", var->name, vstr); | |
769 | free (vstr); | |
770 | } | |
771 | } | |
772 | ||
fdf670ea CR |
773 | /* Format and output an associative array assignment in compound form |
774 | VAR=(VALUES), suitable for re-use as input. */ | |
775 | void | |
776 | print_assoc_assignment (var, quoted) | |
777 | SHELL_VAR *var; | |
778 | int quoted; | |
779 | { | |
780 | char *vstr; | |
781 | ||
782 | vstr = assoc_to_assign (assoc_cell (var), quoted); | |
783 | ||
784 | if (vstr == 0) | |
785 | printf ("%s=%s\n", var->name, quoted ? "'()'" : "()"); | |
786 | else | |
787 | { | |
788 | printf ("%s=%s\n", var->name, vstr); | |
789 | free (vstr); | |
790 | } | |
791 | } | |
792 | ||
f73dda09 JA |
793 | /***********************************************************************/ |
794 | /* */ | |
795 | /* Utility functions to manage arrays and their contents for expansion */ | |
796 | /* */ | |
797 | /***********************************************************************/ | |
798 | ||
799 | /* Return 1 if NAME is a properly-formed array reference v[sub]. */ | |
800 | int | |
801 | valid_array_reference (name) | |
802 | char *name; | |
803 | { | |
804 | char *t; | |
805 | int r, len; | |
806 | ||
d0ca3503 | 807 | t = mbschr (name, '['); /* ] */ |
f73dda09 JA |
808 | if (t) |
809 | { | |
810 | *t = '\0'; | |
811 | r = legal_identifier (name); | |
812 | *t = '['; | |
813 | if (r == 0) | |
814 | return 0; | |
815 | /* Check for a properly-terminated non-blank subscript. */ | |
3eb2d94a | 816 | len = skipsubscript (t, 0, 0); |
f73dda09 JA |
817 | if (t[len] != ']' || len == 1) |
818 | return 0; | |
819 | for (r = 1; r < len; r++) | |
820 | if (whitespace (t[r]) == 0) | |
821 | return 1; | |
822 | return 0; | |
823 | } | |
824 | return 0; | |
825 | } | |
826 | ||
827 | /* Expand the array index beginning at S and extending LEN characters. */ | |
828 | arrayind_t | |
d9e1f41e CR |
829 | array_expand_index (var, s, len) |
830 | SHELL_VAR *var; | |
f73dda09 JA |
831 | char *s; |
832 | int len; | |
833 | { | |
834 | char *exp, *t; | |
835 | int expok; | |
836 | arrayind_t val; | |
837 | ||
838 | exp = (char *)xmalloc (len); | |
839 | strncpy (exp, s, len - 1); | |
840 | exp[len - 1] = '\0'; | |
d3ad40de | 841 | t = expand_arith_string (exp, 0); |
f73dda09 JA |
842 | this_command_name = (char *)NULL; |
843 | val = evalexp (t, &expok); | |
844 | free (t); | |
845 | free (exp); | |
846 | if (expok == 0) | |
847 | { | |
848 | last_command_exit_value = EXECUTION_FAILURE; | |
c184f645 CR |
849 | |
850 | top_level_cleanup (); | |
f73dda09 JA |
851 | jump_to_top_level (DISCARD); |
852 | } | |
853 | return val; | |
854 | } | |
855 | ||
856 | /* Return the name of the variable specified by S without any subscript. | |
857 | If SUBP is non-null, return a pointer to the start of the subscript | |
858 | in *SUBP. If LENP is non-null, the length of the subscript is returned | |
859 | in *LENP. This returns newly-allocated memory. */ | |
860 | char * | |
861 | array_variable_name (s, subp, lenp) | |
862 | char *s, **subp; | |
863 | int *lenp; | |
864 | { | |
865 | char *t, *ret; | |
866 | int ind, ni; | |
867 | ||
d0ca3503 | 868 | t = mbschr (s, '['); |
f73dda09 | 869 | if (t == 0) |
5e13499c CR |
870 | { |
871 | if (subp) | |
872 | *subp = t; | |
873 | if (lenp) | |
874 | *lenp = 0; | |
875 | return ((char *)NULL); | |
876 | } | |
f73dda09 | 877 | ind = t - s; |
3eb2d94a | 878 | ni = skipsubscript (s, ind, 0); |
f73dda09 JA |
879 | if (ni <= ind + 1 || s[ni] != ']') |
880 | { | |
7117c2d2 | 881 | err_badarraysub (s); |
5e13499c CR |
882 | if (subp) |
883 | *subp = t; | |
884 | if (lenp) | |
885 | *lenp = 0; | |
f73dda09 JA |
886 | return ((char *)NULL); |
887 | } | |
888 | ||
889 | *t = '\0'; | |
890 | ret = savestring (s); | |
891 | *t++ = '['; /* ] */ | |
892 | ||
893 | if (subp) | |
894 | *subp = t; | |
895 | if (lenp) | |
896 | *lenp = ni - ind; | |
897 | ||
898 | return ret; | |
899 | } | |
900 | ||
901 | /* Return the variable specified by S without any subscript. If SUBP is | |
902 | non-null, return a pointer to the start of the subscript in *SUBP. | |
903 | If LENP is non-null, the length of the subscript is returned in *LENP. */ | |
904 | SHELL_VAR * | |
905 | array_variable_part (s, subp, lenp) | |
906 | char *s, **subp; | |
907 | int *lenp; | |
908 | { | |
909 | char *t; | |
910 | SHELL_VAR *var; | |
911 | ||
912 | t = array_variable_name (s, subp, lenp); | |
913 | if (t == 0) | |
914 | return ((SHELL_VAR *)NULL); | |
915 | var = find_variable (t); | |
916 | ||
917 | free (t); | |
898cc92e | 918 | return (var == 0 || invisible_p (var)) ? (SHELL_VAR *)0 : var; |
f73dda09 JA |
919 | } |
920 | ||
67362c60 CR |
921 | #define INDEX_ERROR() \ |
922 | do \ | |
923 | { \ | |
924 | if (var) \ | |
925 | err_badarraysub (var->name); \ | |
926 | else \ | |
927 | { \ | |
928 | t[-1] = '\0'; \ | |
929 | err_badarraysub (s); \ | |
930 | t[-1] = '['; /* ] */\ | |
931 | } \ | |
932 | return ((char *)NULL); \ | |
933 | } \ | |
934 | while (0) | |
935 | ||
f73dda09 JA |
936 | /* Return a string containing the elements in the array and subscript |
937 | described by S. If the subscript is * or @, obeys quoting rules akin | |
7117c2d2 | 938 | to the expansion of $* and $@ including double quoting. If RTYPE |
b1a26c01 CR |
939 | is non-null it gets 1 if the array reference is name[*], 2 if the |
940 | reference is name[@], and 0 otherwise. */ | |
f73dda09 | 941 | static char * |
5f8cde23 | 942 | array_value_internal (s, quoted, flags, rtype, indp) |
f73dda09 | 943 | char *s; |
5f8cde23 | 944 | int quoted, flags, *rtype; |
68dfe178 | 945 | arrayind_t *indp; |
f73dda09 JA |
946 | { |
947 | int len; | |
948 | arrayind_t ind; | |
fdf670ea | 949 | char *akey; |
f73dda09 JA |
950 | char *retval, *t, *temp; |
951 | WORD_LIST *l; | |
952 | SHELL_VAR *var; | |
953 | ||
954 | var = array_variable_part (s, &t, &len); | |
955 | ||
7117c2d2 JA |
956 | /* Expand the index, even if the variable doesn't exist, in case side |
957 | effects are needed, like ${w[i++]} where w is unset. */ | |
958 | #if 0 | |
f73dda09 JA |
959 | if (var == 0) |
960 | return (char *)NULL; | |
7117c2d2 | 961 | #endif |
f73dda09 | 962 | |
d3a24ed2 CR |
963 | if (len == 0) |
964 | return ((char *)NULL); /* error message already printed */ | |
965 | ||
f73dda09 | 966 | /* [ */ |
631b20c6 | 967 | akey = 0; |
f73dda09 JA |
968 | if (ALL_ELEMENT_SUB (t[0]) && t[1] == ']') |
969 | { | |
7117c2d2 | 970 | if (rtype) |
b1a26c01 | 971 | *rtype = (t[0] == '*') ? 1 : 2; |
5f8cde23 | 972 | if ((flags & AV_ALLOWALL) == 0) |
f73dda09 | 973 | { |
7117c2d2 | 974 | err_badarraysub (s); |
f73dda09 JA |
975 | return ((char *)NULL); |
976 | } | |
68dfe178 | 977 | else if (var == 0 || value_cell (var) == 0) /* XXX - check for invisible_p(var) ? */ |
7117c2d2 | 978 | return ((char *)NULL); |
fdf670ea | 979 | else if (array_p (var) == 0 && assoc_p (var) == 0) |
7117c2d2 | 980 | l = add_string_to_list (value_cell (var), (WORD_LIST *)NULL); |
fdf670ea CR |
981 | else if (assoc_p (var)) |
982 | { | |
983 | l = assoc_to_word_list (assoc_cell (var)); | |
984 | if (l == (WORD_LIST *)NULL) | |
985 | return ((char *)NULL); | |
986 | } | |
f73dda09 JA |
987 | else |
988 | { | |
989 | l = array_to_word_list (array_cell (var)); | |
990 | if (l == (WORD_LIST *)NULL) | |
991 | return ((char *) NULL); | |
992 | } | |
993 | ||
994 | if (t[0] == '*' && (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))) | |
995 | { | |
996 | temp = string_list_dollar_star (l); | |
631b20c6 | 997 | retval = quote_string (temp); /* XXX - leak here */ |
f73dda09 JA |
998 | free (temp); |
999 | } | |
1000 | else /* ${name[@]} or unquoted ${name[*]} */ | |
631b20c6 | 1001 | retval = string_list_dollar_at (l, quoted); /* XXX - leak here */ |
f73dda09 JA |
1002 | |
1003 | dispose_words (l); | |
1004 | } | |
1005 | else | |
1006 | { | |
7117c2d2 JA |
1007 | if (rtype) |
1008 | *rtype = 0; | |
fdf670ea | 1009 | if (var == 0 || array_p (var) || assoc_p (var) == 0) |
f73dda09 | 1010 | { |
5f8cde23 | 1011 | if ((flags & AV_USEIND) == 0 || indp == 0) |
7117c2d2 | 1012 | { |
d9e1f41e | 1013 | ind = array_expand_index (var, t, len); |
67362c60 | 1014 | if (ind < 0) |
5f8cde23 CR |
1015 | { |
1016 | /* negative subscripts to indexed arrays count back from end */ | |
1017 | if (var && array_p (var)) | |
1018 | ind = array_max_index (array_cell (var)) + 1 + ind; | |
1019 | if (ind < 0) | |
1020 | INDEX_ERROR(); | |
1021 | } | |
1022 | if (indp) | |
1023 | *indp = ind; | |
7117c2d2 | 1024 | } |
5f8cde23 CR |
1025 | else if (indp) |
1026 | ind = *indp; | |
f73dda09 | 1027 | } |
fdf670ea CR |
1028 | else if (assoc_p (var)) |
1029 | { | |
1030 | t[len - 1] = '\0'; | |
1031 | akey = expand_assignment_string_to_string (t, 0); /* [ */ | |
1032 | t[len - 1] = ']'; | |
1033 | if (akey == 0 || *akey == 0) | |
631b20c6 CR |
1034 | { |
1035 | FREE (akey); | |
1036 | INDEX_ERROR(); | |
1037 | } | |
fdf670ea CR |
1038 | } |
1039 | ||
68dfe178 | 1040 | if (var == 0 || value_cell (var) == 0) /* XXX - check invisible_p(var) ? */ |
631b20c6 CR |
1041 | { |
1042 | FREE (akey); | |
1043 | return ((char *)NULL); | |
1044 | } | |
fdf670ea | 1045 | if (array_p (var) == 0 && assoc_p (var) == 0) |
7117c2d2 | 1046 | return (ind == 0 ? value_cell (var) : (char *)NULL); |
fdf670ea | 1047 | else if (assoc_p (var)) |
68dfe178 CR |
1048 | { |
1049 | retval = assoc_reference (assoc_cell (var), akey); | |
1050 | free (akey); | |
1051 | } | |
fdf670ea CR |
1052 | else |
1053 | retval = array_reference (array_cell (var), ind); | |
f73dda09 JA |
1054 | } |
1055 | ||
1056 | return retval; | |
1057 | } | |
1058 | ||
1059 | /* Return a string containing the elements described by the array and | |
1060 | subscript contained in S, obeying quoting for subscripts * and @. */ | |
1061 | char * | |
5f8cde23 | 1062 | array_value (s, quoted, flags, rtype, indp) |
f73dda09 | 1063 | char *s; |
5f8cde23 | 1064 | int quoted, flags, *rtype; |
68dfe178 | 1065 | arrayind_t *indp; |
f73dda09 | 1066 | { |
5f8cde23 | 1067 | return (array_value_internal (s, quoted, flags|AV_ALLOWALL, rtype, indp)); |
f73dda09 JA |
1068 | } |
1069 | ||
1070 | /* Return the value of the array indexing expression S as a single string. | |
5f8cde23 CR |
1071 | If (FLAGS & AV_ALLOWALL) is 0, do not allow `@' and `*' subscripts. This |
1072 | is used by other parts of the shell such as the arithmetic expression | |
1073 | evaluator in expr.c. */ | |
f73dda09 | 1074 | char * |
5f8cde23 | 1075 | get_array_value (s, flags, rtype, indp) |
f73dda09 | 1076 | char *s; |
5f8cde23 | 1077 | int flags, *rtype; |
68dfe178 | 1078 | arrayind_t *indp; |
f73dda09 | 1079 | { |
5f8cde23 | 1080 | return (array_value_internal (s, 0, flags, rtype, indp)); |
f73dda09 JA |
1081 | } |
1082 | ||
d3a24ed2 CR |
1083 | char * |
1084 | array_keys (s, quoted) | |
1085 | char *s; | |
1086 | int quoted; | |
1087 | { | |
1088 | int len; | |
1089 | char *retval, *t, *temp; | |
1090 | WORD_LIST *l; | |
1091 | SHELL_VAR *var; | |
1092 | ||
1093 | var = array_variable_part (s, &t, &len); | |
1094 | ||
1095 | /* [ */ | |
1096 | if (var == 0 || ALL_ELEMENT_SUB (t[0]) == 0 || t[1] != ']') | |
1097 | return (char *)NULL; | |
1098 | ||
68dfe178 CR |
1099 | if (var_isset (var) == 0 || invisible_p (var)) |
1100 | return (char *)NULL; | |
1101 | ||
fdf670ea | 1102 | if (array_p (var) == 0 && assoc_p (var) == 0) |
d3a24ed2 | 1103 | l = add_string_to_list ("0", (WORD_LIST *)NULL); |
fdf670ea CR |
1104 | else if (assoc_p (var)) |
1105 | l = assoc_keys_to_word_list (assoc_cell (var)); | |
d3a24ed2 | 1106 | else |
fdf670ea CR |
1107 | l = array_keys_to_word_list (array_cell (var)); |
1108 | if (l == (WORD_LIST *)NULL) | |
1109 | return ((char *) NULL); | |
d3a24ed2 CR |
1110 | |
1111 | if (t[0] == '*' && (quoted & (Q_HERE_DOCUMENT|Q_DOUBLE_QUOTES))) | |
1112 | { | |
1113 | temp = string_list_dollar_star (l); | |
1114 | retval = quote_string (temp); | |
1115 | free (temp); | |
1116 | } | |
1117 | else /* ${!name[@]} or unquoted ${!name[*]} */ | |
1118 | retval = string_list_dollar_at (l, quoted); | |
1119 | ||
1120 | dispose_words (l); | |
1121 | return retval; | |
1122 | } | |
f73dda09 | 1123 | #endif /* ARRAY_VARS */ |