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Commit | Line | Data |
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c84142e8 UD |
1 | /* Implementation of the dcgettext(3) function. |
2 | Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. | |
5f2eab42 | 3 | |
c84142e8 UD |
4 | This file is part of the GNU C Library. Its master source is NOT part of |
5 | the C library, however. The master source lives in /gd/gnu/lib. | |
24906b43 | 6 | |
c84142e8 UD |
7 | The GNU C Library is free software; you can redistribute it and/or |
8 | modify it under the terms of the GNU Library General Public License as | |
9 | published by the Free Software Foundation; either version 2 of the | |
10 | License, or (at your option) any later version. | |
0393dfd6 | 11 | |
c84142e8 UD |
12 | The GNU C Library 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 GNU | |
15 | Library General Public License for more details. | |
24906b43 | 16 | |
c84142e8 UD |
17 | You should have received a copy of the GNU Library General Public |
18 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
24906b43 RM |
21 | |
22 | #ifdef HAVE_CONFIG_H | |
23 | # include <config.h> | |
24 | #endif | |
25 | ||
26 | #include <sys/types.h> | |
27 | ||
28 | #ifdef __GNUC__ | |
29 | # define alloca __builtin_alloca | |
fa00327f | 30 | # define HAVE_ALLOCA 1 |
24906b43 | 31 | #else |
be10a868 | 32 | # if defined HAVE_ALLOCA_H || defined _LIBC |
24906b43 RM |
33 | # include <alloca.h> |
34 | # else | |
35 | # ifdef _AIX | |
36 | #pragma alloca | |
37 | # else | |
38 | # ifndef alloca | |
39 | char *alloca (); | |
40 | # endif | |
41 | # endif | |
42 | # endif | |
43 | #endif | |
44 | ||
45 | #include <errno.h> | |
46 | #ifndef errno | |
47 | extern int errno; | |
48 | #endif | |
c4029823 UD |
49 | #ifndef __set_errno |
50 | # define __set_errno(val) errno = (val) | |
51 | #endif | |
24906b43 RM |
52 | |
53 | #if defined STDC_HEADERS || defined _LIBC | |
54 | # include <stdlib.h> | |
55 | #else | |
56 | char *getenv (); | |
57 | # ifdef HAVE_MALLOC_H | |
58 | # include <malloc.h> | |
59 | # else | |
60 | void free (); | |
61 | # endif | |
62 | #endif | |
63 | ||
64 | #if defined HAVE_STRING_H || defined _LIBC | |
842907c6 RM |
65 | # ifndef _GNU_SOURCE |
66 | # define _GNU_SOURCE 1 | |
67 | # endif | |
24906b43 RM |
68 | # include <string.h> |
69 | #else | |
70 | # include <strings.h> | |
71 | #endif | |
72 | #if !HAVE_STRCHR && !defined _LIBC | |
73 | # ifndef strchr | |
74 | # define strchr index | |
75 | # endif | |
76 | #endif | |
77 | ||
78 | #if defined HAVE_UNISTD_H || defined _LIBC | |
79 | # include <unistd.h> | |
80 | #endif | |
81 | ||
82 | #include "gettext.h" | |
83 | #include "gettextP.h" | |
84 | #ifdef _LIBC | |
85 | # include <libintl.h> | |
86 | #else | |
87 | # include "libgettext.h" | |
88 | #endif | |
89 | #include "hash-string.h" | |
90 | ||
91 | /* @@ end of prolog @@ */ | |
92 | ||
93 | #ifdef _LIBC | |
94 | /* Rename the non ANSI C functions. This is required by the standard | |
95 | because some ANSI C functions will require linking with this object | |
96 | file and the name space must not be polluted. */ | |
97 | # define getcwd __getcwd | |
98 | # define stpcpy __stpcpy | |
24906b43 | 99 | #else |
fa0bc87c RM |
100 | # if !defined HAVE_GETCWD |
101 | char *getwd (); | |
102 | # define getcwd(buf, max) getwd (buf) | |
103 | # else | |
24906b43 | 104 | char *getcwd (); |
fa0bc87c | 105 | # endif |
92f3773b RM |
106 | # ifndef HAVE_STPCPY |
107 | static char *stpcpy PARAMS ((char *dest, const char *src)); | |
108 | # endif | |
24906b43 RM |
109 | #endif |
110 | ||
111 | /* Amount to increase buffer size by in each try. */ | |
112 | #define PATH_INCR 32 | |
113 | ||
114 | /* The following is from pathmax.h. */ | |
115 | /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define | |
116 | PATH_MAX but might cause redefinition warnings when sys/param.h is | |
117 | later included (as on MORE/BSD 4.3). */ | |
118 | #if defined(_POSIX_VERSION) || (defined(HAVE_LIMITS_H) && !defined(__GNUC__)) | |
119 | # include <limits.h> | |
120 | #endif | |
121 | ||
122 | #ifndef _POSIX_PATH_MAX | |
123 | # define _POSIX_PATH_MAX 255 | |
124 | #endif | |
125 | ||
126 | #if !defined(PATH_MAX) && defined(_PC_PATH_MAX) | |
127 | # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX)) | |
128 | #endif | |
129 | ||
130 | /* Don't include sys/param.h if it already has been. */ | |
131 | #if defined(HAVE_SYS_PARAM_H) && !defined(PATH_MAX) && !defined(MAXPATHLEN) | |
132 | # include <sys/param.h> | |
133 | #endif | |
134 | ||
135 | #if !defined(PATH_MAX) && defined(MAXPATHLEN) | |
136 | # define PATH_MAX MAXPATHLEN | |
137 | #endif | |
138 | ||
139 | #ifndef PATH_MAX | |
140 | # define PATH_MAX _POSIX_PATH_MAX | |
141 | #endif | |
142 | ||
143 | /* XPG3 defines the result of `setlocale (category, NULL)' as: | |
144 | ``Directs `setlocale()' to query `category' and return the current | |
145 | setting of `local'.'' | |
146 | However it does not specify the exact format. And even worse: POSIX | |
147 | defines this not at all. So we can use this feature only on selected | |
148 | system (e.g. those using GNU C Library). */ | |
149 | #ifdef _LIBC | |
150 | # define HAVE_LOCALE_NULL | |
151 | #endif | |
152 | ||
153 | /* Name of the default domain used for gettext(3) prior any call to | |
154 | textdomain(3). The default value for this is "messages". */ | |
155 | const char _nl_default_default_domain[] = "messages"; | |
156 | ||
157 | /* Value used as the default domain for gettext(3). */ | |
158 | const char *_nl_current_default_domain = _nl_default_default_domain; | |
159 | ||
160 | /* Contains the default location of the message catalogs. */ | |
161 | const char _nl_default_dirname[] = GNULOCALEDIR; | |
162 | ||
163 | /* List with bindings of specific domains created by bindtextdomain() | |
164 | calls. */ | |
165 | struct binding *_nl_domain_bindings; | |
166 | ||
167 | /* Prototypes for local functions. */ | |
7a12c6bb | 168 | static char *find_msg PARAMS ((struct loaded_l10nfile *domain_file, |
be10a868 RM |
169 | const char *msgid)); |
170 | static const char *category_to_name PARAMS ((int category)); | |
171 | static const char *guess_category_value PARAMS ((int category, | |
172 | const char *categoryname)); | |
24906b43 RM |
173 | |
174 | ||
5f2eab42 RM |
175 | /* For those loosing systems which don't have `alloca' we have to add |
176 | some additional code emulating it. */ | |
177 | #ifdef HAVE_ALLOCA | |
178 | /* Nothing has to be done. */ | |
179 | # define ADD_BLOCK(list, address) /* nothing */ | |
180 | # define FREE_BLOCKS(list) /* nothing */ | |
181 | #else | |
182 | struct block_list | |
183 | { | |
184 | void *address; | |
185 | struct block_list *next; | |
186 | }; | |
187 | # define ADD_BLOCK(list, addr) \ | |
188 | do { \ | |
189 | struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ | |
190 | /* If we cannot get a free block we cannot add the new element to \ | |
191 | the list. */ \ | |
192 | if (newp != NULL) { \ | |
193 | newp->address = (addr); \ | |
194 | newp->next = (list); \ | |
195 | (list) = newp; \ | |
196 | } \ | |
197 | } while (0) | |
198 | # define FREE_BLOCKS(list) \ | |
199 | do { \ | |
200 | while (list != NULL) { \ | |
201 | struct block_list *old = list; \ | |
202 | list = list->next; \ | |
203 | free (old); \ | |
204 | } \ | |
205 | } while (0) | |
206 | # undef alloca | |
207 | # define alloca(size) (malloc (size)) | |
208 | #endif /* have alloca */ | |
209 | ||
210 | ||
24906b43 RM |
211 | /* Names for the libintl functions are a problem. They must not clash |
212 | with existing names and they should follow ANSI C. But this source | |
213 | code is also used in GNU C Library where the names have a __ | |
214 | prefix. So we have to make a difference here. */ | |
215 | #ifdef _LIBC | |
216 | # define DCGETTEXT __dcgettext | |
217 | #else | |
218 | # define DCGETTEXT dcgettext__ | |
219 | #endif | |
220 | ||
221 | /* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY | |
222 | locale. */ | |
223 | char * | |
224 | DCGETTEXT (domainname, msgid, category) | |
225 | const char *domainname; | |
226 | const char *msgid; | |
227 | int category; | |
228 | { | |
5f2eab42 | 229 | #ifndef HAVE_ALLOCA |
842907c6 | 230 | struct block_list *block_list = NULL; |
5f2eab42 | 231 | #endif |
7a12c6bb | 232 | struct loaded_l10nfile *domain; |
24906b43 RM |
233 | struct binding *binding; |
234 | const char *categoryname; | |
235 | const char *categoryvalue; | |
236 | char *dirname, *xdomainname; | |
237 | char *single_locale; | |
238 | char *retval; | |
be10a868 | 239 | int saved_errno = errno; |
24906b43 RM |
240 | |
241 | /* If no real MSGID is given return NULL. */ | |
242 | if (msgid == NULL) | |
243 | return NULL; | |
244 | ||
245 | /* If DOMAINNAME is NULL, we are interested in the default domain. If | |
246 | CATEGORY is not LC_MESSAGES this might not make much sense but the | |
247 | defintion left this undefined. */ | |
248 | if (domainname == NULL) | |
249 | domainname = _nl_current_default_domain; | |
250 | ||
251 | /* First find matching binding. */ | |
252 | for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) | |
253 | { | |
254 | int compare = strcmp (domainname, binding->domainname); | |
255 | if (compare == 0) | |
256 | /* We found it! */ | |
257 | break; | |
258 | if (compare < 0) | |
259 | { | |
260 | /* It is not in the list. */ | |
261 | binding = NULL; | |
262 | break; | |
263 | } | |
264 | } | |
265 | ||
266 | if (binding == NULL) | |
267 | dirname = (char *) _nl_default_dirname; | |
268 | else if (binding->dirname[0] == '/') | |
269 | dirname = binding->dirname; | |
270 | else | |
271 | { | |
272 | /* We have a relative path. Make it absolute now. */ | |
273 | size_t dirname_len = strlen (binding->dirname) + 1; | |
274 | size_t path_max; | |
275 | char *ret; | |
276 | ||
277 | path_max = (unsigned) PATH_MAX; | |
278 | path_max += 2; /* The getcwd docs say to do this. */ | |
279 | ||
280 | dirname = (char *) alloca (path_max + dirname_len); | |
5f2eab42 | 281 | ADD_BLOCK (block_list, dirname); |
24906b43 | 282 | |
c4029823 | 283 | __set_errno (0); |
24906b43 RM |
284 | while ((ret = getcwd (dirname, path_max)) == NULL && errno == ERANGE) |
285 | { | |
286 | path_max += PATH_INCR; | |
287 | dirname = (char *) alloca (path_max + dirname_len); | |
5f2eab42 | 288 | ADD_BLOCK (block_list, dirname); |
c4029823 | 289 | __set_errno (0); |
24906b43 RM |
290 | } |
291 | ||
292 | if (ret == NULL) | |
be10a868 RM |
293 | { |
294 | /* We cannot get the current working directory. Don't signal an | |
295 | error but simply return the default string. */ | |
5f2eab42 | 296 | FREE_BLOCKS (block_list); |
c4029823 | 297 | __set_errno (saved_errno); |
be10a868 RM |
298 | return (char *) msgid; |
299 | } | |
24906b43 RM |
300 | |
301 | /* We don't want libintl.a to depend on any other library. So | |
302 | we avoid the non-standard function stpcpy. In GNU C Library | |
303 | this function is available, though. Also allow the symbol | |
304 | HAVE_STPCPY to be defined. */ | |
24906b43 | 305 | stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname); |
24906b43 RM |
306 | } |
307 | ||
308 | /* Now determine the symbolic name of CATEGORY and its value. */ | |
309 | categoryname = category_to_name (category); | |
310 | categoryvalue = guess_category_value (category, categoryname); | |
311 | ||
312 | xdomainname = (char *) alloca (strlen (categoryname) | |
313 | + strlen (domainname) + 5); | |
5f2eab42 | 314 | ADD_BLOCK (block_list, xdomainname); |
24906b43 RM |
315 | /* We don't want libintl.a to depend on any other library. So we |
316 | avoid the non-standard function stpcpy. In GNU C Library this | |
317 | function is available, though. Also allow the symbol HAVE_STPCPY | |
318 | to be defined. */ | |
24906b43 RM |
319 | stpcpy (stpcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"), |
320 | domainname), | |
321 | ".mo"); | |
24906b43 RM |
322 | |
323 | /* Creating working area. */ | |
324 | single_locale = (char *) alloca (strlen (categoryvalue) + 1); | |
5f2eab42 | 325 | ADD_BLOCK (block_list, single_locale); |
24906b43 RM |
326 | |
327 | ||
328 | /* Search for the given string. This is a loop because we perhaps | |
329 | got an ordered list of languages to consider for th translation. */ | |
330 | while (1) | |
331 | { | |
332 | /* Make CATEGORYVALUE point to the next element of the list. */ | |
333 | while (categoryvalue[0] != '\0' && categoryvalue[0] == ':') | |
334 | ++categoryvalue; | |
335 | if (categoryvalue[0] == '\0') | |
336 | { | |
337 | /* The whole contents of CATEGORYVALUE has been searched but | |
338 | no valid entry has been found. We solve this situation | |
6d52618b | 339 | by implicitly appending a "C" entry, i.e. no translation |
24906b43 RM |
340 | will take place. */ |
341 | single_locale[0] = 'C'; | |
342 | single_locale[1] = '\0'; | |
343 | } | |
344 | else | |
345 | { | |
346 | char *cp = single_locale; | |
347 | while (categoryvalue[0] != '\0' && categoryvalue[0] != ':') | |
348 | *cp++ = *categoryvalue++; | |
349 | *cp = '\0'; | |
350 | } | |
351 | ||
352 | /* If the current locale value is C (or POSIX) we don't load a | |
353 | domain. Return the MSGID. */ | |
354 | if (strcmp (single_locale, "C") == 0 | |
355 | || strcmp (single_locale, "POSIX") == 0) | |
be10a868 | 356 | { |
5f2eab42 | 357 | FREE_BLOCKS (block_list); |
c4029823 | 358 | __set_errno (saved_errno); |
be10a868 RM |
359 | return (char *) msgid; |
360 | } | |
24906b43 RM |
361 | |
362 | ||
363 | /* Find structure describing the message catalog matching the | |
364 | DOMAINNAME and CATEGORY. */ | |
365 | domain = _nl_find_domain (dirname, single_locale, xdomainname); | |
366 | ||
367 | if (domain != NULL) | |
368 | { | |
369 | retval = find_msg (domain, msgid); | |
370 | ||
371 | if (retval == NULL) | |
372 | { | |
373 | int cnt; | |
374 | ||
be10a868 | 375 | for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) |
75914335 RM |
376 | { |
377 | retval = find_msg (domain->successor[cnt], msgid); | |
378 | ||
379 | if (retval != NULL) | |
380 | break; | |
381 | } | |
24906b43 RM |
382 | } |
383 | ||
384 | if (retval != NULL) | |
be10a868 | 385 | { |
5f2eab42 | 386 | FREE_BLOCKS (block_list); |
c4029823 | 387 | __set_errno (saved_errno); |
be10a868 RM |
388 | return retval; |
389 | } | |
24906b43 RM |
390 | } |
391 | } | |
392 | /* NOTREACHED */ | |
393 | } | |
394 | ||
395 | #ifdef _LIBC | |
396 | /* Alias for function name in GNU C Library. */ | |
397 | weak_alias (__dcgettext, dcgettext); | |
398 | #endif | |
399 | ||
400 | ||
401 | static char * | |
7a12c6bb RM |
402 | find_msg (domain_file, msgid) |
403 | struct loaded_l10nfile *domain_file; | |
24906b43 RM |
404 | const char *msgid; |
405 | { | |
406 | size_t top, act, bottom; | |
7a12c6bb | 407 | struct loaded_domain *domain; |
24906b43 | 408 | |
7a12c6bb RM |
409 | if (domain_file->decided == 0) |
410 | _nl_load_domain (domain_file); | |
24906b43 | 411 | |
7a12c6bb | 412 | if (domain_file->data == NULL) |
24906b43 RM |
413 | return NULL; |
414 | ||
7a12c6bb RM |
415 | domain = (struct loaded_domain *) domain_file->data; |
416 | ||
24906b43 RM |
417 | /* Locate the MSGID and its translation. */ |
418 | if (domain->hash_size > 2 && domain->hash_tab != NULL) | |
419 | { | |
420 | /* Use the hashing table. */ | |
421 | nls_uint32 len = strlen (msgid); | |
422 | nls_uint32 hash_val = hash_string (msgid); | |
423 | nls_uint32 idx = hash_val % domain->hash_size; | |
424 | nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2)); | |
425 | nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]); | |
426 | ||
427 | if (nstr == 0) | |
428 | /* Hash table entry is empty. */ | |
429 | return NULL; | |
430 | ||
431 | if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) == len | |
432 | && strcmp (msgid, | |
433 | domain->data + W (domain->must_swap, | |
434 | domain->orig_tab[nstr - 1].offset)) == 0) | |
435 | return (char *) domain->data + W (domain->must_swap, | |
436 | domain->trans_tab[nstr - 1].offset); | |
437 | ||
438 | while (1) | |
439 | { | |
be10a868 RM |
440 | if (idx >= domain->hash_size - incr) |
441 | idx -= domain->hash_size - incr; | |
24906b43 RM |
442 | else |
443 | idx += incr; | |
444 | ||
445 | nstr = W (domain->must_swap, domain->hash_tab[idx]); | |
446 | if (nstr == 0) | |
447 | /* Hash table entry is empty. */ | |
448 | return NULL; | |
449 | ||
450 | if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) == len | |
451 | && strcmp (msgid, | |
452 | domain->data + W (domain->must_swap, | |
453 | domain->orig_tab[nstr - 1].offset)) | |
454 | == 0) | |
455 | return (char *) domain->data | |
456 | + W (domain->must_swap, domain->trans_tab[nstr - 1].offset); | |
457 | } | |
458 | /* NOTREACHED */ | |
459 | } | |
460 | ||
461 | /* Now we try the default method: binary search in the sorted | |
462 | array of messages. */ | |
463 | bottom = 0; | |
464 | top = domain->nstrings; | |
465 | while (bottom < top) | |
466 | { | |
467 | int cmp_val; | |
468 | ||
469 | act = (bottom + top) / 2; | |
470 | cmp_val = strcmp (msgid, domain->data | |
471 | + W (domain->must_swap, | |
472 | domain->orig_tab[act].offset)); | |
473 | if (cmp_val < 0) | |
474 | top = act; | |
475 | else if (cmp_val > 0) | |
476 | bottom = act + 1; | |
477 | else | |
478 | break; | |
479 | } | |
480 | ||
481 | /* If an translation is found return this. */ | |
482 | return bottom >= top ? NULL : (char *) domain->data | |
483 | + W (domain->must_swap, | |
484 | domain->trans_tab[act].offset); | |
485 | } | |
486 | ||
487 | ||
488 | /* Return string representation of locale CATEGORY. */ | |
7a12c6bb RM |
489 | static const char * |
490 | category_to_name (category) | |
24906b43 RM |
491 | int category; |
492 | { | |
493 | const char *retval; | |
494 | ||
495 | switch (category) | |
496 | { | |
497 | #ifdef LC_COLLATE | |
498 | case LC_COLLATE: | |
499 | retval = "LC_COLLATE"; | |
500 | break; | |
501 | #endif | |
502 | #ifdef LC_CTYPE | |
503 | case LC_CTYPE: | |
504 | retval = "LC_CTYPE"; | |
505 | break; | |
506 | #endif | |
507 | #ifdef LC_MONETARY | |
508 | case LC_MONETARY: | |
509 | retval = "LC_MONETARY"; | |
510 | break; | |
511 | #endif | |
512 | #ifdef LC_NUMERIC | |
513 | case LC_NUMERIC: | |
514 | retval = "LC_NUMERIC"; | |
515 | break; | |
516 | #endif | |
517 | #ifdef LC_TIME | |
518 | case LC_TIME: | |
519 | retval = "LC_TIME"; | |
520 | break; | |
521 | #endif | |
522 | #ifdef LC_MESSAGES | |
523 | case LC_MESSAGES: | |
524 | retval = "LC_MESSAGES"; | |
525 | break; | |
526 | #endif | |
527 | #ifdef LC_RESPONSE | |
528 | case LC_RESPONSE: | |
529 | retval = "LC_RESPONSE"; | |
530 | break; | |
531 | #endif | |
532 | #ifdef LC_ALL | |
533 | case LC_ALL: | |
534 | /* This might not make sense but is perhaps better than any other | |
535 | value. */ | |
536 | retval = "LC_ALL"; | |
537 | break; | |
538 | #endif | |
539 | default: | |
540 | /* If you have a better idea for a default value let me know. */ | |
541 | retval = "LC_XXX"; | |
542 | } | |
543 | ||
544 | return retval; | |
545 | } | |
546 | ||
547 | /* Guess value of current locale from value of the environment variables. */ | |
8f2ece69 UD |
548 | static const char * |
549 | guess_category_value (category, categoryname) | |
24906b43 RM |
550 | int category; |
551 | const char *categoryname; | |
552 | { | |
553 | const char *retval; | |
554 | ||
555 | /* The highest priority value is the `LANGUAGE' environment | |
556 | variable. This is a GNU extension. */ | |
557 | retval = getenv ("LANGUAGE"); | |
558 | if (retval != NULL && retval[0] != '\0') | |
559 | return retval; | |
560 | ||
561 | /* `LANGUAGE' is not set. So we have to proceed with the POSIX | |
562 | methods of looking to `LC_ALL', `LC_xxx', and `LANG'. On some | |
563 | systems this can be done by the `setlocale' function itself. */ | |
564 | #if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL | |
565 | return setlocale (category, NULL); | |
566 | #else | |
567 | /* Setting of LC_ALL overwrites all other. */ | |
568 | retval = getenv ("LC_ALL"); | |
569 | if (retval != NULL && retval[0] != '\0') | |
570 | return retval; | |
571 | ||
572 | /* Next comes the name of the desired category. */ | |
573 | retval = getenv (categoryname); | |
574 | if (retval != NULL && retval[0] != '\0') | |
575 | return retval; | |
576 | ||
577 | /* Last possibility is the LANG environment variable. */ | |
578 | retval = getenv ("LANG"); | |
579 | if (retval != NULL && retval[0] != '\0') | |
580 | return retval; | |
581 | ||
582 | /* We use C as the default domain. POSIX says this is implementation | |
583 | defined. */ | |
584 | return "C"; | |
585 | #endif | |
586 | } | |
92f3773b RM |
587 | |
588 | /* @@ begin of epilog @@ */ | |
589 | ||
590 | /* We don't want libintl.a to depend on any other library. So we | |
591 | avoid the non-standard function stpcpy. In GNU C Library this | |
592 | function is available, though. Also allow the symbol HAVE_STPCPY | |
593 | to be defined. */ | |
594 | #if !_LIBC && !HAVE_STPCPY | |
595 | static char * | |
596 | stpcpy (dest, src) | |
597 | char *dest; | |
598 | const char *src; | |
599 | { | |
600 | while ((*dest++ = *src++) != '\0') | |
601 | /* Do nothing. */ ; | |
602 | return dest - 1; | |
603 | } | |
604 | #endif |