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abbffdf9 | 1 | /* Implementation of the internal dcigettext function. |
0ecb606c | 2 | Copyright (C) 1995-2005, 2006 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
abbffdf9 | 4 | |
abbffdf9 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
abbffdf9 UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
abbffdf9 | 14 | |
41bdb6e2 AJ |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
abbffdf9 | 19 | |
0a55a284 UD |
20 | /* Tell glibc's <string.h> to provide a prototype for mempcpy(). |
21 | This must come before <config.h> because <config.h> may include | |
22 | <features.h>, and once <features.h> has been included, it's too late. */ | |
23 | #ifndef _GNU_SOURCE | |
24 | # define _GNU_SOURCE 1 | |
25 | #endif | |
26 | ||
abbffdf9 UD |
27 | #ifdef HAVE_CONFIG_H |
28 | # include <config.h> | |
29 | #endif | |
30 | ||
31 | #include <sys/types.h> | |
32 | ||
0555fcce | 33 | #ifdef __GNUC__ |
abbffdf9 UD |
34 | # define alloca __builtin_alloca |
35 | # define HAVE_ALLOCA 1 | |
36 | #else | |
0555fcce | 37 | # if defined HAVE_ALLOCA_H || defined _LIBC |
abbffdf9 UD |
38 | # include <alloca.h> |
39 | # else | |
40 | # ifdef _AIX | |
41 | #pragma alloca | |
42 | # else | |
43 | # ifndef alloca | |
44 | char *alloca (); | |
45 | # endif | |
46 | # endif | |
47 | # endif | |
48 | #endif | |
49 | ||
50 | #include <errno.h> | |
51 | #ifndef errno | |
52 | extern int errno; | |
53 | #endif | |
54 | #ifndef __set_errno | |
55 | # define __set_errno(val) errno = (val) | |
56 | #endif | |
57 | ||
0555fcce UD |
58 | #include <stddef.h> |
59 | #include <stdlib.h> | |
60 | #include <string.h> | |
abbffdf9 UD |
61 | |
62 | #if defined HAVE_UNISTD_H || defined _LIBC | |
63 | # include <unistd.h> | |
64 | #endif | |
65 | ||
0555fcce | 66 | #include <locale.h> |
abbffdf9 UD |
67 | |
68 | #if defined HAVE_SYS_PARAM_H || defined _LIBC | |
69 | # include <sys/param.h> | |
70 | #endif | |
71 | ||
abbffdf9 | 72 | #include "gettextP.h" |
0555fcce | 73 | #include "plural-exp.h" |
abbffdf9 UD |
74 | #ifdef _LIBC |
75 | # include <libintl.h> | |
76 | #else | |
4a4d50f3 | 77 | # include "libgnuintl.h" |
abbffdf9 UD |
78 | #endif |
79 | #include "hash-string.h" | |
80 | ||
81 | /* Thread safetyness. */ | |
82 | #ifdef _LIBC | |
83 | # include <bits/libc-lock.h> | |
0ed99ce4 UD |
84 | #else |
85 | /* Provide dummy implementation if this is outside glibc. */ | |
0a55a284 | 86 | # define __libc_lock_define_initialized(CLASS, NAME) |
0ed99ce4 UD |
87 | # define __libc_lock_lock(NAME) |
88 | # define __libc_lock_unlock(NAME) | |
0a55a284 UD |
89 | # define __libc_rwlock_define_initialized(CLASS, NAME) |
90 | # define __libc_rwlock_rdlock(NAME) | |
91 | # define __libc_rwlock_unlock(NAME) | |
abbffdf9 UD |
92 | #endif |
93 | ||
45eca4d1 UD |
94 | /* Alignment of types. */ |
95 | #if defined __GNUC__ && __GNUC__ >= 2 | |
96 | # define alignof(TYPE) __alignof__ (TYPE) | |
97 | #else | |
98 | # define alignof(TYPE) \ | |
99 | ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2) | |
100 | #endif | |
101 | ||
52d895a4 UD |
102 | /* The internal variables in the standalone libintl.a must have different |
103 | names than the internal variables in GNU libc, otherwise programs | |
104 | using libintl.a cannot be linked statically. */ | |
105 | #if !defined _LIBC | |
0f131646 RM |
106 | # define _nl_default_default_domain libintl_nl_default_default_domain |
107 | # define _nl_current_default_domain libintl_nl_current_default_domain | |
108 | # define _nl_default_dirname libintl_nl_default_dirname | |
109 | # define _nl_domain_bindings libintl_nl_domain_bindings | |
52d895a4 UD |
110 | #endif |
111 | ||
4a4d50f3 UD |
112 | /* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */ |
113 | #ifndef offsetof | |
114 | # define offsetof(type,ident) ((size_t)&(((type*)0)->ident)) | |
115 | #endif | |
116 | ||
abbffdf9 UD |
117 | /* @@ end of prolog @@ */ |
118 | ||
119 | #ifdef _LIBC | |
120 | /* Rename the non ANSI C functions. This is required by the standard | |
121 | because some ANSI C functions will require linking with this object | |
122 | file and the name space must not be polluted. */ | |
123 | # define getcwd __getcwd | |
124 | # ifndef stpcpy | |
125 | # define stpcpy __stpcpy | |
126 | # endif | |
4aebaa6b | 127 | # define tfind __tfind |
abbffdf9 UD |
128 | #else |
129 | # if !defined HAVE_GETCWD | |
130 | char *getwd (); | |
131 | # define getcwd(buf, max) getwd (buf) | |
132 | # else | |
133 | char *getcwd (); | |
134 | # endif | |
135 | # ifndef HAVE_STPCPY | |
136 | static char *stpcpy PARAMS ((char *dest, const char *src)); | |
137 | # endif | |
138 | # ifndef HAVE_MEMPCPY | |
139 | static void *mempcpy PARAMS ((void *dest, const void *src, size_t n)); | |
140 | # endif | |
141 | #endif | |
142 | ||
143 | /* Amount to increase buffer size by in each try. */ | |
144 | #define PATH_INCR 32 | |
145 | ||
146 | /* The following is from pathmax.h. */ | |
147 | /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define | |
148 | PATH_MAX but might cause redefinition warnings when sys/param.h is | |
149 | later included (as on MORE/BSD 4.3). */ | |
150 | #if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__) | |
151 | # include <limits.h> | |
152 | #endif | |
153 | ||
154 | #ifndef _POSIX_PATH_MAX | |
155 | # define _POSIX_PATH_MAX 255 | |
156 | #endif | |
157 | ||
158 | #if !defined PATH_MAX && defined _PC_PATH_MAX | |
159 | # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX)) | |
160 | #endif | |
161 | ||
162 | /* Don't include sys/param.h if it already has been. */ | |
163 | #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN | |
164 | # include <sys/param.h> | |
165 | #endif | |
166 | ||
167 | #if !defined PATH_MAX && defined MAXPATHLEN | |
168 | # define PATH_MAX MAXPATHLEN | |
169 | #endif | |
170 | ||
171 | #ifndef PATH_MAX | |
172 | # define PATH_MAX _POSIX_PATH_MAX | |
173 | #endif | |
174 | ||
0ecb606c JJ |
175 | /* Whether to support different locales in different threads. */ |
176 | #if defined _LIBC || HAVE_NL_LOCALE_NAME | |
177 | # define HAVE_PER_THREAD_LOCALE | |
178 | #endif | |
179 | ||
abbffdf9 UD |
180 | /* This is the type used for the search tree where known translations |
181 | are stored. */ | |
182 | struct known_translation_t | |
183 | { | |
184 | /* Domain in which to search. */ | |
0ecb606c | 185 | const char *domainname; |
abbffdf9 UD |
186 | |
187 | /* The category. */ | |
188 | int category; | |
189 | ||
0ecb606c JJ |
190 | #ifdef HAVE_PER_THREAD_LOCALE |
191 | /* Name of the relevant locale category, or "" for the global locale. */ | |
192 | const char *localename; | |
193 | #endif | |
194 | ||
abbffdf9 UD |
195 | /* State of the catalog counter at the point the string was found. */ |
196 | int counter; | |
197 | ||
f8f900ec UD |
198 | /* Catalog where the string was found. */ |
199 | struct loaded_l10nfile *domain; | |
200 | ||
abbffdf9 UD |
201 | /* And finally the translation. */ |
202 | const char *translation; | |
f8f900ec | 203 | size_t translation_length; |
abbffdf9 UD |
204 | |
205 | /* Pointer to the string in question. */ | |
206 | char msgid[ZERO]; | |
207 | }; | |
208 | ||
209 | /* Root of the search tree with known translations. We can use this | |
210 | only if the system provides the `tsearch' function family. */ | |
211 | #if defined HAVE_TSEARCH || defined _LIBC | |
212 | # include <search.h> | |
213 | ||
214 | static void *root; | |
215 | ||
216 | # ifdef _LIBC | |
217 | # define tsearch __tsearch | |
218 | # endif | |
219 | ||
220 | /* Function to compare two entries in the table of known translations. */ | |
4a4d50f3 | 221 | static int transcmp PARAMS ((const void *p1, const void *p2)); |
abbffdf9 | 222 | static int |
4a4d50f3 UD |
223 | transcmp (p1, p2) |
224 | const void *p1; | |
225 | const void *p2; | |
abbffdf9 | 226 | { |
ad5b53b1 UD |
227 | const struct known_translation_t *s1; |
228 | const struct known_translation_t *s2; | |
abbffdf9 UD |
229 | int result; |
230 | ||
ad5b53b1 UD |
231 | s1 = (const struct known_translation_t *) p1; |
232 | s2 = (const struct known_translation_t *) p2; | |
233 | ||
abbffdf9 UD |
234 | result = strcmp (s1->msgid, s2->msgid); |
235 | if (result == 0) | |
236 | { | |
f8f900ec | 237 | result = strcmp (s1->domainname, s2->domainname); |
abbffdf9 | 238 | if (result == 0) |
0ecb606c JJ |
239 | { |
240 | #ifdef HAVE_PER_THREAD_LOCALE | |
241 | result = strcmp (s1->localename, s2->localename); | |
242 | if (result == 0) | |
243 | #endif | |
244 | /* We compare the category last (though this is the cheapest | |
245 | operation) since it is hopefully always the same (namely | |
246 | LC_MESSAGES). */ | |
247 | result = s1->category - s2->category; | |
248 | } | |
abbffdf9 UD |
249 | } |
250 | ||
251 | return result; | |
252 | } | |
253 | #endif | |
254 | ||
255 | /* Name of the default domain used for gettext(3) prior any call to | |
256 | textdomain(3). The default value for this is "messages". */ | |
418f1701 | 257 | const char _nl_default_default_domain[] attribute_hidden = "messages"; |
abbffdf9 UD |
258 | |
259 | /* Value used as the default domain for gettext(3). */ | |
418f1701 UD |
260 | const char *_nl_current_default_domain attribute_hidden |
261 | = _nl_default_default_domain; | |
abbffdf9 UD |
262 | |
263 | /* Contains the default location of the message catalogs. */ | |
0ecb606c JJ |
264 | |
265 | #ifdef _LIBC | |
266 | extern const char _nl_default_dirname[]; | |
267 | libc_hidden_proto (_nl_default_dirname) | |
268 | #endif | |
4a4d50f3 | 269 | const char _nl_default_dirname[] = LOCALEDIR; |
0ecb606c JJ |
270 | #ifdef _LIBC |
271 | libc_hidden_data_def (_nl_default_dirname) | |
272 | #endif | |
abbffdf9 UD |
273 | |
274 | /* List with bindings of specific domains created by bindtextdomain() | |
275 | calls. */ | |
276 | struct binding *_nl_domain_bindings; | |
277 | ||
278 | /* Prototypes for local functions. */ | |
f8f900ec UD |
279 | static char *plural_lookup PARAMS ((struct loaded_l10nfile *domain, |
280 | unsigned long int n, | |
281 | const char *translation, | |
282 | size_t translation_len)) | |
283 | internal_function; | |
abbffdf9 UD |
284 | static const char *guess_category_value PARAMS ((int category, |
285 | const char *categoryname)) | |
286 | internal_function; | |
2b71beea RM |
287 | #ifdef _LIBC |
288 | # include "../locale/localeinfo.h" | |
0ecb606c JJ |
289 | # define category_to_name(category) \ |
290 | _nl_category_names.str + _nl_category_name_idxs[category] | |
2b71beea RM |
291 | #else |
292 | static const char *category_to_name PARAMS ((int category)) internal_function; | |
293 | #endif | |
abbffdf9 UD |
294 | |
295 | ||
296 | /* For those loosing systems which don't have `alloca' we have to add | |
297 | some additional code emulating it. */ | |
298 | #ifdef HAVE_ALLOCA | |
299 | /* Nothing has to be done. */ | |
0f131646 | 300 | # define freea(p) /* nothing */ |
abbffdf9 UD |
301 | # define ADD_BLOCK(list, address) /* nothing */ |
302 | # define FREE_BLOCKS(list) /* nothing */ | |
303 | #else | |
304 | struct block_list | |
305 | { | |
306 | void *address; | |
307 | struct block_list *next; | |
308 | }; | |
309 | # define ADD_BLOCK(list, addr) \ | |
310 | do { \ | |
311 | struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ | |
312 | /* If we cannot get a free block we cannot add the new element to \ | |
313 | the list. */ \ | |
314 | if (newp != NULL) { \ | |
315 | newp->address = (addr); \ | |
316 | newp->next = (list); \ | |
317 | (list) = newp; \ | |
318 | } \ | |
319 | } while (0) | |
320 | # define FREE_BLOCKS(list) \ | |
321 | do { \ | |
322 | while (list != NULL) { \ | |
323 | struct block_list *old = list; \ | |
324 | list = list->next; \ | |
0f131646 | 325 | free (old->address); \ |
abbffdf9 UD |
326 | free (old); \ |
327 | } \ | |
328 | } while (0) | |
329 | # undef alloca | |
330 | # define alloca(size) (malloc (size)) | |
0f131646 | 331 | # define freea(p) free (p) |
abbffdf9 UD |
332 | #endif /* have alloca */ |
333 | ||
334 | ||
f8f900ec | 335 | #ifdef _LIBC |
7f455351 | 336 | /* List of blocks allocated for translations. */ |
f8f900ec | 337 | typedef struct transmem_list |
7f455351 UD |
338 | { |
339 | struct transmem_list *next; | |
4a4d50f3 | 340 | char data[ZERO]; |
f8f900ec UD |
341 | } transmem_block_t; |
342 | static struct transmem_list *transmem_list; | |
343 | #else | |
e686e1a1 | 344 | typedef unsigned char transmem_block_t; |
f8f900ec | 345 | #endif |
0ecb606c JJ |
346 | #if defined _LIBC || HAVE_ICONV |
347 | static const char *get_output_charset PARAMS ((struct binding *domainbinding)) | |
348 | internal_function; | |
349 | #endif | |
7f455351 UD |
350 | |
351 | ||
abbffdf9 UD |
352 | /* Names for the libintl functions are a problem. They must not clash |
353 | with existing names and they should follow ANSI C. But this source | |
354 | code is also used in GNU C Library where the names have a __ | |
355 | prefix. So we have to make a difference here. */ | |
356 | #ifdef _LIBC | |
357 | # define DCIGETTEXT __dcigettext | |
358 | #else | |
0f131646 | 359 | # define DCIGETTEXT libintl_dcigettext |
abbffdf9 UD |
360 | #endif |
361 | ||
0ed99ce4 | 362 | /* Lock variable to protect the global data in the gettext implementation. */ |
0555fcce | 363 | #ifdef _LIBC |
418f1701 | 364 | __libc_rwlock_define_initialized (, _nl_state_lock attribute_hidden) |
0555fcce | 365 | #endif |
0ed99ce4 | 366 | |
abbffdf9 UD |
367 | /* Checking whether the binaries runs SUID must be done and glibc provides |
368 | easier methods therefore we make a difference here. */ | |
369 | #ifdef _LIBC | |
370 | # define ENABLE_SECURE __libc_enable_secure | |
371 | # define DETERMINE_SECURE | |
372 | #else | |
0f131646 RM |
373 | # ifndef HAVE_GETUID |
374 | # define getuid() 0 | |
375 | # endif | |
376 | # ifndef HAVE_GETGID | |
377 | # define getgid() 0 | |
378 | # endif | |
379 | # ifndef HAVE_GETEUID | |
380 | # define geteuid() getuid() | |
381 | # endif | |
382 | # ifndef HAVE_GETEGID | |
383 | # define getegid() getgid() | |
384 | # endif | |
abbffdf9 UD |
385 | static int enable_secure; |
386 | # define ENABLE_SECURE (enable_secure == 1) | |
387 | # define DETERMINE_SECURE \ | |
388 | if (enable_secure == 0) \ | |
389 | { \ | |
390 | if (getuid () != geteuid () || getgid () != getegid ()) \ | |
391 | enable_secure = 1; \ | |
392 | else \ | |
393 | enable_secure = -1; \ | |
394 | } | |
395 | #endif | |
396 | ||
0555fcce UD |
397 | /* Get the function to evaluate the plural expression. */ |
398 | #include "plural-eval.c" | |
399 | ||
abbffdf9 UD |
400 | /* Look up MSGID in the DOMAINNAME message catalog for the current |
401 | CATEGORY locale and, if PLURAL is nonzero, search over string | |
402 | depending on the plural form determined by N. */ | |
403 | char * | |
404 | DCIGETTEXT (domainname, msgid1, msgid2, plural, n, category) | |
405 | const char *domainname; | |
406 | const char *msgid1; | |
407 | const char *msgid2; | |
408 | int plural; | |
409 | unsigned long int n; | |
410 | int category; | |
411 | { | |
412 | #ifndef HAVE_ALLOCA | |
413 | struct block_list *block_list = NULL; | |
414 | #endif | |
415 | struct loaded_l10nfile *domain; | |
416 | struct binding *binding; | |
417 | const char *categoryname; | |
418 | const char *categoryvalue; | |
419 | char *dirname, *xdomainname; | |
420 | char *single_locale; | |
421 | char *retval; | |
f8f900ec | 422 | size_t retlen; |
abbffdf9 UD |
423 | int saved_errno; |
424 | #if defined HAVE_TSEARCH || defined _LIBC | |
425 | struct known_translation_t *search; | |
426 | struct known_translation_t **foundp = NULL; | |
17c389fc | 427 | size_t msgid_len; |
0ecb606c JJ |
428 | # ifdef HAVE_PER_THREAD_LOCALE |
429 | const char *localename; | |
430 | # endif | |
abbffdf9 UD |
431 | #endif |
432 | size_t domainname_len; | |
433 | ||
434 | /* If no real MSGID is given return NULL. */ | |
435 | if (msgid1 == NULL) | |
436 | return NULL; | |
437 | ||
2b71beea RM |
438 | #ifdef _LIBC |
439 | if (category < 0 || category >= __LC_LAST || category == LC_ALL) | |
440 | /* Bogus. */ | |
441 | return (plural == 0 | |
442 | ? (char *) msgid1 | |
443 | /* Use the Germanic plural rule. */ | |
444 | : n == 1 ? (char *) msgid1 : (char *) msgid2); | |
445 | #endif | |
446 | ||
0ed99ce4 UD |
447 | __libc_rwlock_rdlock (_nl_state_lock); |
448 | ||
17c389fc UD |
449 | /* If DOMAINNAME is NULL, we are interested in the default domain. If |
450 | CATEGORY is not LC_MESSAGES this might not make much sense but the | |
451 | definition left this undefined. */ | |
452 | if (domainname == NULL) | |
453 | domainname = _nl_current_default_domain; | |
454 | ||
abbffdf9 | 455 | #if defined HAVE_TSEARCH || defined _LIBC |
17c389fc UD |
456 | msgid_len = strlen (msgid1) + 1; |
457 | ||
f8f900ec UD |
458 | /* Try to find the translation among those which we found at |
459 | some time. */ | |
4a4d50f3 UD |
460 | search = (struct known_translation_t *) |
461 | alloca (offsetof (struct known_translation_t, msgid) + msgid_len); | |
f8f900ec | 462 | memcpy (search->msgid, msgid1, msgid_len); |
0ecb606c | 463 | search->domainname = domainname; |
f8f900ec | 464 | search->category = category; |
0ecb606c JJ |
465 | # ifdef HAVE_PER_THREAD_LOCALE |
466 | # ifdef _LIBC | |
467 | localename = __current_locale_name (category); | |
468 | # endif | |
469 | search->localename = localename; | |
470 | # endif | |
f8f900ec | 471 | |
ce7265c7 UD |
472 | /* Since tfind/tsearch manage a balanced tree, concurrent tfind and |
473 | tsearch calls can be fatal. */ | |
474 | __libc_rwlock_define_initialized (static, tree_lock); | |
475 | __libc_rwlock_rdlock (tree_lock); | |
476 | ||
f8f900ec | 477 | foundp = (struct known_translation_t **) tfind (search, &root, transcmp); |
ce7265c7 UD |
478 | |
479 | __libc_rwlock_unlock (tree_lock); | |
480 | ||
0f131646 | 481 | freea (search); |
f8f900ec | 482 | if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr) |
abbffdf9 | 483 | { |
f8f900ec UD |
484 | /* Now deal with plural. */ |
485 | if (plural) | |
486 | retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation, | |
487 | (*foundp)->translation_length); | |
488 | else | |
489 | retval = (char *) (*foundp)->translation; | |
490 | ||
491 | __libc_rwlock_unlock (_nl_state_lock); | |
492 | return retval; | |
abbffdf9 UD |
493 | } |
494 | #endif | |
495 | ||
496 | /* Preserve the `errno' value. */ | |
497 | saved_errno = errno; | |
498 | ||
499 | /* See whether this is a SUID binary or not. */ | |
500 | DETERMINE_SECURE; | |
501 | ||
abbffdf9 UD |
502 | /* First find matching binding. */ |
503 | for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) | |
504 | { | |
505 | int compare = strcmp (domainname, binding->domainname); | |
506 | if (compare == 0) | |
507 | /* We found it! */ | |
508 | break; | |
509 | if (compare < 0) | |
510 | { | |
511 | /* It is not in the list. */ | |
512 | binding = NULL; | |
513 | break; | |
514 | } | |
515 | } | |
516 | ||
517 | if (binding == NULL) | |
0ecb606c | 518 | dirname = (char *) _nl_default_dirname; |
abbffdf9 UD |
519 | else if (binding->dirname[0] == '/') |
520 | dirname = binding->dirname; | |
521 | else | |
522 | { | |
523 | /* We have a relative path. Make it absolute now. */ | |
524 | size_t dirname_len = strlen (binding->dirname) + 1; | |
525 | size_t path_max; | |
526 | char *ret; | |
527 | ||
528 | path_max = (unsigned int) PATH_MAX; | |
529 | path_max += 2; /* The getcwd docs say to do this. */ | |
530 | ||
0555fcce | 531 | for (;;) |
abbffdf9 | 532 | { |
abbffdf9 UD |
533 | dirname = (char *) alloca (path_max + dirname_len); |
534 | ADD_BLOCK (block_list, dirname); | |
0555fcce | 535 | |
abbffdf9 | 536 | __set_errno (0); |
0555fcce UD |
537 | ret = getcwd (dirname, path_max); |
538 | if (ret != NULL || errno != ERANGE) | |
539 | break; | |
540 | ||
541 | path_max += path_max / 2; | |
542 | path_max += PATH_INCR; | |
abbffdf9 UD |
543 | } |
544 | ||
545 | if (ret == NULL) | |
546 | { | |
547 | /* We cannot get the current working directory. Don't signal an | |
548 | error but simply return the default string. */ | |
549 | FREE_BLOCKS (block_list); | |
6999d70e | 550 | __libc_rwlock_unlock (_nl_state_lock); |
abbffdf9 UD |
551 | __set_errno (saved_errno); |
552 | return (plural == 0 | |
553 | ? (char *) msgid1 | |
554 | /* Use the Germanic plural rule. */ | |
555 | : n == 1 ? (char *) msgid1 : (char *) msgid2); | |
556 | } | |
557 | ||
558 | stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname); | |
559 | } | |
560 | ||
561 | /* Now determine the symbolic name of CATEGORY and its value. */ | |
562 | categoryname = category_to_name (category); | |
563 | categoryvalue = guess_category_value (category, categoryname); | |
564 | ||
565 | domainname_len = strlen (domainname); | |
566 | xdomainname = (char *) alloca (strlen (categoryname) | |
567 | + domainname_len + 5); | |
568 | ADD_BLOCK (block_list, xdomainname); | |
569 | ||
570 | stpcpy (mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"), | |
571 | domainname, domainname_len), | |
572 | ".mo"); | |
573 | ||
574 | /* Creating working area. */ | |
575 | single_locale = (char *) alloca (strlen (categoryvalue) + 1); | |
576 | ADD_BLOCK (block_list, single_locale); | |
577 | ||
578 | ||
579 | /* Search for the given string. This is a loop because we perhaps | |
580 | got an ordered list of languages to consider for the translation. */ | |
581 | while (1) | |
582 | { | |
583 | /* Make CATEGORYVALUE point to the next element of the list. */ | |
584 | while (categoryvalue[0] != '\0' && categoryvalue[0] == ':') | |
585 | ++categoryvalue; | |
586 | if (categoryvalue[0] == '\0') | |
587 | { | |
588 | /* The whole contents of CATEGORYVALUE has been searched but | |
589 | no valid entry has been found. We solve this situation | |
590 | by implicitly appending a "C" entry, i.e. no translation | |
591 | will take place. */ | |
592 | single_locale[0] = 'C'; | |
593 | single_locale[1] = '\0'; | |
594 | } | |
595 | else | |
596 | { | |
597 | char *cp = single_locale; | |
598 | while (categoryvalue[0] != '\0' && categoryvalue[0] != ':') | |
599 | *cp++ = *categoryvalue++; | |
600 | *cp = '\0'; | |
601 | ||
602 | /* When this is a SUID binary we must not allow accessing files | |
603 | outside the dedicated directories. */ | |
6adc15f5 | 604 | if (ENABLE_SECURE && strchr (single_locale, '/') != NULL) |
abbffdf9 UD |
605 | /* Ingore this entry. */ |
606 | continue; | |
607 | } | |
608 | ||
609 | /* If the current locale value is C (or POSIX) we don't load a | |
610 | domain. Return the MSGID. */ | |
611 | if (strcmp (single_locale, "C") == 0 | |
612 | || strcmp (single_locale, "POSIX") == 0) | |
613 | { | |
0ecb606c | 614 | no_translation: |
abbffdf9 | 615 | FREE_BLOCKS (block_list); |
0ed99ce4 | 616 | __libc_rwlock_unlock (_nl_state_lock); |
abbffdf9 UD |
617 | __set_errno (saved_errno); |
618 | return (plural == 0 | |
619 | ? (char *) msgid1 | |
620 | /* Use the Germanic plural rule. */ | |
621 | : n == 1 ? (char *) msgid1 : (char *) msgid2); | |
622 | } | |
623 | ||
624 | ||
625 | /* Find structure describing the message catalog matching the | |
626 | DOMAINNAME and CATEGORY. */ | |
17c389fc | 627 | domain = _nl_find_domain (dirname, single_locale, xdomainname, binding); |
abbffdf9 UD |
628 | |
629 | if (domain != NULL) | |
630 | { | |
0ecb606c | 631 | retval = _nl_find_msg (domain, binding, msgid1, 1, &retlen); |
abbffdf9 UD |
632 | |
633 | if (retval == NULL) | |
634 | { | |
635 | int cnt; | |
636 | ||
637 | for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) | |
638 | { | |
c44a663d | 639 | retval = _nl_find_msg (domain->successor[cnt], binding, |
0ecb606c | 640 | msgid1, 1, &retlen); |
abbffdf9 UD |
641 | |
642 | if (retval != NULL) | |
f8f900ec UD |
643 | { |
644 | domain = domain->successor[cnt]; | |
645 | break; | |
646 | } | |
abbffdf9 UD |
647 | } |
648 | } | |
649 | ||
0ecb606c JJ |
650 | /* Returning -1 means that some resource problem exists |
651 | (likely memory) and that the strings could not be | |
652 | converted. Return the original strings. */ | |
653 | if (__builtin_expect (retval == (char *) -1, 0)) | |
654 | goto no_translation; | |
655 | ||
abbffdf9 UD |
656 | if (retval != NULL) |
657 | { | |
f8f900ec UD |
658 | /* Found the translation of MSGID1 in domain DOMAIN: |
659 | starting at RETVAL, RETLEN bytes. */ | |
abbffdf9 | 660 | FREE_BLOCKS (block_list); |
abbffdf9 UD |
661 | #if defined HAVE_TSEARCH || defined _LIBC |
662 | if (foundp == NULL) | |
663 | { | |
664 | /* Create a new entry and add it to the search tree. */ | |
0ecb606c | 665 | size_t size; |
abbffdf9 UD |
666 | struct known_translation_t *newp; |
667 | ||
0ecb606c JJ |
668 | size = offsetof (struct known_translation_t, msgid) |
669 | + msgid_len + domainname_len + 1; | |
670 | # ifdef HAVE_PER_THREAD_LOCALE | |
671 | size += strlen (localename) + 1; | |
672 | # endif | |
673 | newp = (struct known_translation_t *) malloc (size); | |
abbffdf9 UD |
674 | if (newp != NULL) |
675 | { | |
0ecb606c JJ |
676 | char *new_domainname; |
677 | # ifdef HAVE_PER_THREAD_LOCALE | |
678 | char *new_localename; | |
679 | # endif | |
680 | ||
681 | new_domainname = mempcpy (newp->msgid, msgid1, msgid_len); | |
682 | memcpy (new_domainname, domainname, domainname_len + 1); | |
683 | # ifdef HAVE_PER_THREAD_LOCALE | |
684 | new_localename = new_domainname + domainname_len + 1; | |
685 | strcpy (new_localename, localename); | |
686 | # endif | |
687 | newp->domainname = new_domainname; | |
abbffdf9 | 688 | newp->category = category; |
0ecb606c JJ |
689 | # ifdef HAVE_PER_THREAD_LOCALE |
690 | newp->localename = new_localename; | |
691 | # endif | |
abbffdf9 | 692 | newp->counter = _nl_msg_cat_cntr; |
f8f900ec | 693 | newp->domain = domain; |
abbffdf9 | 694 | newp->translation = retval; |
f8f900ec | 695 | newp->translation_length = retlen; |
abbffdf9 | 696 | |
ce7265c7 UD |
697 | __libc_rwlock_wrlock (tree_lock); |
698 | ||
abbffdf9 UD |
699 | /* Insert the entry in the search tree. */ |
700 | foundp = (struct known_translation_t **) | |
701 | tsearch (newp, &root, transcmp); | |
ce7265c7 UD |
702 | |
703 | __libc_rwlock_unlock (tree_lock); | |
704 | ||
d89d0afa UD |
705 | if (foundp == NULL |
706 | || __builtin_expect (*foundp != newp, 0)) | |
abbffdf9 UD |
707 | /* The insert failed. */ |
708 | free (newp); | |
709 | } | |
710 | } | |
711 | else | |
712 | { | |
713 | /* We can update the existing entry. */ | |
714 | (*foundp)->counter = _nl_msg_cat_cntr; | |
f8f900ec | 715 | (*foundp)->domain = domain; |
abbffdf9 | 716 | (*foundp)->translation = retval; |
f8f900ec | 717 | (*foundp)->translation_length = retlen; |
abbffdf9 UD |
718 | } |
719 | #endif | |
7f4dce05 RM |
720 | __set_errno (saved_errno); |
721 | ||
f8f900ec UD |
722 | /* Now deal with plural. */ |
723 | if (plural) | |
724 | retval = plural_lookup (domain, n, retval, retlen); | |
725 | ||
0ed99ce4 | 726 | __libc_rwlock_unlock (_nl_state_lock); |
abbffdf9 UD |
727 | return retval; |
728 | } | |
729 | } | |
730 | } | |
731 | /* NOTREACHED */ | |
732 | } | |
733 | ||
734 | ||
735 | char * | |
736 | internal_function | |
0ecb606c | 737 | _nl_find_msg (domain_file, domainbinding, msgid, convert, lengthp) |
abbffdf9 | 738 | struct loaded_l10nfile *domain_file; |
c44a663d | 739 | struct binding *domainbinding; |
abbffdf9 | 740 | const char *msgid; |
0ecb606c | 741 | int convert; |
f8f900ec | 742 | size_t *lengthp; |
abbffdf9 | 743 | { |
354e6102 | 744 | struct loaded_domain *domain; |
3172f58f | 745 | nls_uint32 nstrings; |
0a55a284 UD |
746 | size_t act; |
747 | char *result; | |
f8f900ec | 748 | size_t resultlen; |
abbffdf9 | 749 | |
ce7265c7 | 750 | if (domain_file->decided <= 0) |
c44a663d | 751 | _nl_load_domain (domain_file, domainbinding); |
abbffdf9 UD |
752 | |
753 | if (domain_file->data == NULL) | |
754 | return NULL; | |
755 | ||
354e6102 | 756 | domain = (struct loaded_domain *) domain_file->data; |
abbffdf9 | 757 | |
3172f58f UD |
758 | nstrings = domain->nstrings; |
759 | ||
abbffdf9 | 760 | /* Locate the MSGID and its translation. */ |
3172f58f | 761 | if (domain->hash_tab != NULL) |
abbffdf9 UD |
762 | { |
763 | /* Use the hashing table. */ | |
764 | nls_uint32 len = strlen (msgid); | |
dd9423a6 | 765 | nls_uint32 hash_val = __hash_string (msgid); |
abbffdf9 UD |
766 | nls_uint32 idx = hash_val % domain->hash_size; |
767 | nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2)); | |
abbffdf9 | 768 | |
abbffdf9 UD |
769 | while (1) |
770 | { | |
3172f58f UD |
771 | nls_uint32 nstr = |
772 | W (domain->must_swap_hash_tab, domain->hash_tab[idx]); | |
4a4d50f3 UD |
773 | |
774 | if (nstr == 0) | |
775 | /* Hash table entry is empty. */ | |
776 | return NULL; | |
777 | ||
3172f58f UD |
778 | nstr--; |
779 | ||
780 | /* Compare msgid with the original string at index nstr. | |
f8f900ec UD |
781 | We compare the lengths with >=, not ==, because plural entries |
782 | are represented by strings with an embedded NUL. */ | |
3172f58f UD |
783 | if (nstr < nstrings |
784 | ? W (domain->must_swap, domain->orig_tab[nstr].length) >= len | |
785 | && (strcmp (msgid, | |
786 | domain->data + W (domain->must_swap, | |
787 | domain->orig_tab[nstr].offset)) | |
788 | == 0) | |
789 | : domain->orig_sysdep_tab[nstr - nstrings].length > len | |
790 | && (strcmp (msgid, | |
791 | domain->orig_sysdep_tab[nstr - nstrings].pointer) | |
792 | == 0)) | |
f8f900ec | 793 | { |
3172f58f | 794 | act = nstr; |
f8f900ec UD |
795 | goto found; |
796 | } | |
797 | ||
abbffdf9 UD |
798 | if (idx >= domain->hash_size - incr) |
799 | idx -= domain->hash_size - incr; | |
800 | else | |
801 | idx += incr; | |
abbffdf9 UD |
802 | } |
803 | /* NOTREACHED */ | |
804 | } | |
0a55a284 UD |
805 | else |
806 | { | |
807 | /* Try the default method: binary search in the sorted array of | |
808 | messages. */ | |
809 | size_t top, bottom; | |
810 | ||
811 | bottom = 0; | |
3172f58f | 812 | top = nstrings; |
0a55a284 UD |
813 | while (bottom < top) |
814 | { | |
815 | int cmp_val; | |
816 | ||
817 | act = (bottom + top) / 2; | |
818 | cmp_val = strcmp (msgid, (domain->data | |
819 | + W (domain->must_swap, | |
820 | domain->orig_tab[act].offset))); | |
821 | if (cmp_val < 0) | |
822 | top = act; | |
823 | else if (cmp_val > 0) | |
824 | bottom = act + 1; | |
825 | else | |
826 | goto found; | |
827 | } | |
828 | /* No translation was found. */ | |
829 | return NULL; | |
830 | } | |
abbffdf9 | 831 | |
0a55a284 UD |
832 | found: |
833 | /* The translation was found at index ACT. If we have to convert the | |
834 | string to use a different character set, this is the time. */ | |
3172f58f UD |
835 | if (act < nstrings) |
836 | { | |
837 | result = (char *) | |
838 | (domain->data + W (domain->must_swap, domain->trans_tab[act].offset)); | |
839 | resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1; | |
840 | } | |
841 | else | |
842 | { | |
843 | result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer; | |
844 | resultlen = domain->trans_sysdep_tab[act - nstrings].length; | |
845 | } | |
0a55a284 UD |
846 | |
847 | #if defined _LIBC || HAVE_ICONV | |
0ecb606c | 848 | if (convert) |
c44a663d | 849 | { |
0ecb606c JJ |
850 | /* We are supposed to do a conversion. */ |
851 | const char *encoding = get_output_charset (domainbinding); | |
852 | ||
853 | /* Search whether a table with converted translations for this | |
854 | encoding has already been allocated. */ | |
855 | size_t nconversions = domain->nconversions; | |
856 | struct converted_domain *convd = NULL; | |
857 | size_t i; | |
c44a663d | 858 | |
0ecb606c JJ |
859 | for (i = nconversions; i > 0; ) |
860 | { | |
861 | i--; | |
862 | if (strcmp (domain->conversions[i].encoding, encoding) == 0) | |
863 | { | |
864 | convd = &domain->conversions[i]; | |
865 | break; | |
866 | } | |
867 | } | |
868 | ||
869 | if (convd == NULL) | |
870 | { | |
871 | /* Allocate a table for the converted translations for this | |
872 | encoding. */ | |
873 | struct converted_domain *new_conversions = | |
874 | (struct converted_domain *) | |
875 | realloc (domain->conversions, | |
876 | (nconversions + 1) * sizeof (struct converted_domain)); | |
877 | ||
878 | if (__builtin_expect (new_conversions == NULL, 0)) | |
879 | /* Nothing we can do, no more memory. We cannot use the | |
880 | translation because it might be encoded incorrectly. */ | |
881 | return (char *) -1; | |
882 | ||
883 | domain->conversions = new_conversions; | |
884 | ||
885 | /* Copy the 'encoding' string to permanent storage. */ | |
886 | encoding = strdup (encoding); | |
887 | if (__builtin_expect (encoding == NULL, 0)) | |
888 | /* Nothing we can do, no more memory. We cannot use the | |
889 | translation because it might be encoded incorrectly. */ | |
890 | return (char *) -1; | |
891 | ||
892 | convd = &new_conversions[nconversions]; | |
893 | convd->encoding = encoding; | |
894 | ||
895 | /* Find out about the character set the file is encoded with. | |
896 | This can be found (in textual form) in the entry "". If this | |
897 | entry does not exist or if this does not contain the 'charset=' | |
898 | information, we will assume the charset matches the one the | |
899 | current locale and we don't have to perform any conversion. */ | |
0a55a284 | 900 | # ifdef _LIBC |
0ecb606c | 901 | convd->conv = (__gconv_t) -1; |
0a55a284 UD |
902 | # else |
903 | # if HAVE_ICONV | |
0ecb606c | 904 | convd->conv = (iconv_t) -1; |
0a55a284 UD |
905 | # endif |
906 | # endif | |
0ecb606c JJ |
907 | { |
908 | char *nullentry; | |
909 | size_t nullentrylen; | |
910 | ||
911 | /* Get the header entry. This is a recursion, but it doesn't | |
912 | reallocate domain->conversions because we pass convert = 0. */ | |
913 | nullentry = | |
914 | _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen); | |
915 | ||
916 | if (nullentry != NULL) | |
917 | { | |
918 | const char *charsetstr; | |
919 | ||
920 | charsetstr = strstr (nullentry, "charset="); | |
921 | if (charsetstr != NULL) | |
922 | { | |
923 | size_t len; | |
924 | char *charset; | |
925 | const char *outcharset; | |
926 | ||
927 | charsetstr += strlen ("charset="); | |
928 | len = strcspn (charsetstr, " \t\n"); | |
929 | ||
930 | charset = (char *) alloca (len + 1); | |
931 | # if defined _LIBC || HAVE_MEMPCPY | |
932 | *((char *) mempcpy (charset, charsetstr, len)) = '\0'; | |
933 | # else | |
934 | memcpy (charset, charsetstr, len); | |
935 | charset[len] = '\0'; | |
936 | # endif | |
937 | ||
938 | outcharset = encoding; | |
939 | ||
940 | # ifdef _LIBC | |
941 | /* We always want to use transliteration. */ | |
942 | outcharset = norm_add_slashes (outcharset, "TRANSLIT"); | |
943 | charset = norm_add_slashes (charset, ""); | |
944 | int r = __gconv_open (outcharset, charset, &convd->conv, | |
945 | GCONV_AVOID_NOCONV); | |
946 | if (__builtin_expect (r != __GCONV_OK, 0)) | |
947 | { | |
948 | /* If the output encoding is the same there is | |
949 | nothing to do. Otherwise do not use the | |
950 | translation at all. */ | |
951 | if (__builtin_expect (r != __GCONV_NOCONV, 1)) | |
952 | return NULL; | |
953 | ||
954 | convd->conv = (__gconv_t) -1; | |
955 | } | |
956 | # else | |
957 | # if HAVE_ICONV | |
958 | /* When using GNU libc >= 2.2 or GNU libiconv >= 1.5, | |
959 | we want to use transliteration. */ | |
960 | # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2 \ | |
961 | || _LIBICONV_VERSION >= 0x0105 | |
962 | if (strchr (outcharset, '/') == NULL) | |
963 | { | |
964 | char *tmp; | |
965 | ||
966 | len = strlen (outcharset); | |
967 | tmp = (char *) alloca (len + 10 + 1); | |
968 | memcpy (tmp, outcharset, len); | |
969 | memcpy (tmp + len, "//TRANSLIT", 10 + 1); | |
970 | outcharset = tmp; | |
971 | ||
972 | convd->conv = iconv_open (outcharset, charset); | |
973 | ||
974 | freea (outcharset); | |
975 | } | |
976 | else | |
977 | # endif | |
978 | convd->conv = iconv_open (outcharset, charset); | |
979 | # endif | |
980 | # endif | |
981 | ||
982 | freea (charset); | |
983 | } | |
984 | } | |
985 | } | |
986 | convd->conv_tab = NULL; | |
987 | /* Here domain->conversions is still == new_conversions. */ | |
988 | domain->nconversions++; | |
989 | } | |
990 | ||
991 | if ( | |
992 | # ifdef _LIBC | |
993 | convd->conv != (__gconv_t) -1 | |
994 | # else | |
995 | # if HAVE_ICONV | |
996 | convd->conv != (iconv_t) -1 | |
997 | # endif | |
998 | # endif | |
999 | ) | |
0a55a284 | 1000 | { |
0ecb606c JJ |
1001 | /* We are supposed to do a conversion. First allocate an |
1002 | appropriate table with the same structure as the table | |
1003 | of translations in the file, where we can put the pointers | |
1004 | to the converted strings in. | |
1005 | There is a slight complication with plural entries. They | |
1006 | are represented by consecutive NUL terminated strings. We | |
1007 | handle this case by converting RESULTLEN bytes, including | |
1008 | NULs. */ | |
1009 | ||
1010 | if (convd->conv_tab == NULL | |
1011 | && ((convd->conv_tab = | |
1012 | (char **) calloc (nstrings + domain->n_sysdep_strings, | |
1013 | sizeof (char *))) | |
1014 | == NULL)) | |
1015 | /* Mark that we didn't succeed allocating a table. */ | |
1016 | convd->conv_tab = (char **) -1; | |
1017 | ||
1018 | if (__builtin_expect (convd->conv_tab == (char **) -1, 0)) | |
1019 | /* Nothing we can do, no more memory. We cannot use the | |
1020 | translation because it might be encoded incorrectly. */ | |
1021 | return (char *) -1; | |
1022 | ||
1023 | if (convd->conv_tab[act] == NULL) | |
1024 | { | |
1025 | /* We haven't used this string so far, so it is not | |
1026 | translated yet. Do this now. */ | |
1027 | /* We use a bit more efficient memory handling. | |
1028 | We allocate always larger blocks which get used over | |
1029 | time. This is faster than many small allocations. */ | |
1030 | __libc_lock_define_initialized (static, lock) | |
f8f900ec | 1031 | # define INITIAL_BLOCK_SIZE 4080 |
0ecb606c JJ |
1032 | static unsigned char *freemem; |
1033 | static size_t freemem_size; | |
0a55a284 | 1034 | |
0ecb606c JJ |
1035 | const unsigned char *inbuf; |
1036 | unsigned char *outbuf; | |
1037 | int malloc_count; | |
f8f900ec | 1038 | # ifndef _LIBC |
0ecb606c | 1039 | transmem_block_t *transmem_list = NULL; |
f8f900ec | 1040 | # endif |
0a55a284 | 1041 | |
0ecb606c | 1042 | __libc_lock_lock (lock); |
0a55a284 | 1043 | |
0ecb606c JJ |
1044 | inbuf = (const unsigned char *) result; |
1045 | outbuf = freemem + sizeof (size_t); | |
45eca4d1 | 1046 | |
0ecb606c JJ |
1047 | malloc_count = 0; |
1048 | while (1) | |
1049 | { | |
1050 | transmem_block_t *newmem; | |
0a55a284 | 1051 | # ifdef _LIBC |
0ecb606c JJ |
1052 | size_t non_reversible; |
1053 | int res; | |
17c389fc | 1054 | |
0ecb606c JJ |
1055 | if (freemem_size < sizeof (size_t)) |
1056 | goto resize_freemem; | |
45eca4d1 | 1057 | |
0ecb606c JJ |
1058 | res = __gconv (convd->conv, |
1059 | &inbuf, inbuf + resultlen, | |
1060 | &outbuf, | |
1061 | outbuf + freemem_size - sizeof (size_t), | |
1062 | &non_reversible); | |
17c389fc | 1063 | |
0ecb606c JJ |
1064 | if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT) |
1065 | break; | |
17c389fc | 1066 | |
0ecb606c JJ |
1067 | if (res != __GCONV_FULL_OUTPUT) |
1068 | { | |
1069 | /* We should not use the translation at all, it | |
1070 | is incorrectly encoded. */ | |
1071 | __libc_lock_unlock (lock); | |
1072 | return NULL; | |
1073 | } | |
17c389fc | 1074 | |
0ecb606c | 1075 | inbuf = (const unsigned char *) result; |
0a55a284 UD |
1076 | # else |
1077 | # if HAVE_ICONV | |
0ecb606c JJ |
1078 | const char *inptr = (const char *) inbuf; |
1079 | size_t inleft = resultlen; | |
1080 | char *outptr = (char *) outbuf; | |
1081 | size_t outleft; | |
1082 | ||
1083 | if (freemem_size < sizeof (size_t)) | |
1084 | goto resize_freemem; | |
1085 | ||
1086 | outleft = freemem_size - sizeof (size_t); | |
1087 | if (iconv (convd->conv, | |
1088 | (ICONV_CONST char **) &inptr, &inleft, | |
1089 | &outptr, &outleft) | |
1090 | != (size_t) (-1)) | |
1091 | { | |
1092 | outbuf = (unsigned char *) outptr; | |
1093 | break; | |
1094 | } | |
1095 | if (errno != E2BIG) | |
1096 | { | |
1097 | __libc_lock_unlock (lock); | |
1098 | return NULL; | |
1099 | } | |
17c389fc UD |
1100 | # endif |
1101 | # endif | |
0a55a284 | 1102 | |
0ecb606c JJ |
1103 | resize_freemem: |
1104 | /* We must allocate a new buffer or resize the old one. */ | |
1105 | if (malloc_count > 0) | |
1106 | { | |
1107 | ++malloc_count; | |
1108 | freemem_size = malloc_count * INITIAL_BLOCK_SIZE; | |
1109 | newmem = (transmem_block_t *) realloc (transmem_list, | |
1110 | freemem_size); | |
f8f900ec | 1111 | # ifdef _LIBC |
0ecb606c JJ |
1112 | if (newmem != NULL) |
1113 | transmem_list = transmem_list->next; | |
1114 | else | |
1115 | { | |
1116 | struct transmem_list *old = transmem_list; | |
1117 | ||
1118 | transmem_list = transmem_list->next; | |
1119 | free (old); | |
1120 | } | |
1121 | # endif | |
1122 | } | |
f8f900ec UD |
1123 | else |
1124 | { | |
0ecb606c JJ |
1125 | malloc_count = 1; |
1126 | freemem_size = INITIAL_BLOCK_SIZE; | |
1127 | newmem = (transmem_block_t *) malloc (freemem_size); | |
1128 | } | |
1129 | if (__builtin_expect (newmem == NULL, 0)) | |
1130 | { | |
1131 | freemem = NULL; | |
1132 | freemem_size = 0; | |
1133 | __libc_lock_unlock (lock); | |
1134 | return (char *) -1; | |
f8f900ec | 1135 | } |
0a55a284 | 1136 | |
7f455351 | 1137 | # ifdef _LIBC |
0ecb606c JJ |
1138 | /* Add the block to the list of blocks we have to free |
1139 | at some point. */ | |
1140 | newmem->next = transmem_list; | |
1141 | transmem_list = newmem; | |
7f455351 | 1142 | |
0ecb606c JJ |
1143 | freemem = (unsigned char *) newmem->data; |
1144 | freemem_size -= offsetof (struct transmem_list, data); | |
f8f900ec | 1145 | # else |
0ecb606c JJ |
1146 | transmem_list = newmem; |
1147 | freemem = newmem; | |
7f455351 UD |
1148 | # endif |
1149 | ||
0ecb606c JJ |
1150 | outbuf = freemem + sizeof (size_t); |
1151 | } | |
1152 | ||
1153 | /* We have now in our buffer a converted string. Put this | |
1154 | into the table of conversions. */ | |
1155 | *(size_t *) freemem = outbuf - freemem - sizeof (size_t); | |
1156 | convd->conv_tab[act] = (char *) freemem; | |
1157 | /* Shrink freemem, but keep it aligned. */ | |
1158 | freemem_size -= outbuf - freemem; | |
1159 | freemem = outbuf; | |
1160 | freemem += freemem_size & (alignof (size_t) - 1); | |
1161 | freemem_size = freemem_size & ~ (alignof (size_t) - 1); | |
1162 | ||
1163 | __libc_lock_unlock (lock); | |
0a55a284 | 1164 | } |
0a55a284 | 1165 | |
0ecb606c JJ |
1166 | /* Now convd->conv_tab[act] contains the translation of all |
1167 | the plural variants. */ | |
1168 | result = convd->conv_tab[act] + sizeof (size_t); | |
1169 | resultlen = *(size_t *) convd->conv_tab[act]; | |
0a55a284 | 1170 | } |
0a55a284 UD |
1171 | } |
1172 | ||
0a55a284 UD |
1173 | /* The result string is converted. */ |
1174 | ||
1175 | #endif /* _LIBC || HAVE_ICONV */ | |
1176 | ||
f8f900ec UD |
1177 | *lengthp = resultlen; |
1178 | return result; | |
1179 | } | |
1180 | ||
1181 | ||
1182 | /* Look up a plural variant. */ | |
1183 | static char * | |
1184 | internal_function | |
1185 | plural_lookup (domain, n, translation, translation_len) | |
1186 | struct loaded_l10nfile *domain; | |
1187 | unsigned long int n; | |
1188 | const char *translation; | |
1189 | size_t translation_len; | |
1190 | { | |
1191 | struct loaded_domain *domaindata = (struct loaded_domain *) domain->data; | |
1192 | unsigned long int index; | |
1193 | const char *p; | |
1194 | ||
1195 | index = plural_eval (domaindata->plural, n); | |
1196 | if (index >= domaindata->nplurals) | |
1197 | /* This should never happen. It means the plural expression and the | |
1198 | given maximum value do not match. */ | |
1199 | index = 0; | |
1200 | ||
1201 | /* Skip INDEX strings at TRANSLATION. */ | |
1202 | p = translation; | |
0a55a284 UD |
1203 | while (index-- > 0) |
1204 | { | |
1205 | #ifdef _LIBC | |
f8f900ec | 1206 | p = __rawmemchr (p, '\0'); |
0a55a284 | 1207 | #else |
f8f900ec | 1208 | p = strchr (p, '\0'); |
0a55a284 UD |
1209 | #endif |
1210 | /* And skip over the NUL byte. */ | |
f8f900ec | 1211 | p++; |
abbffdf9 | 1212 | |
f8f900ec UD |
1213 | if (p >= translation + translation_len) |
1214 | /* This should never happen. It means the plural expression | |
1215 | evaluated to a value larger than the number of variants | |
1216 | available for MSGID1. */ | |
1217 | return (char *) translation; | |
1218 | } | |
1219 | return (char *) p; | |
abbffdf9 UD |
1220 | } |
1221 | ||
2b71beea | 1222 | #ifndef _LIBC |
abbffdf9 UD |
1223 | /* Return string representation of locale CATEGORY. */ |
1224 | static const char * | |
1225 | internal_function | |
1226 | category_to_name (category) | |
1227 | int category; | |
1228 | { | |
1229 | const char *retval; | |
1230 | ||
1231 | switch (category) | |
1232 | { | |
1233 | #ifdef LC_COLLATE | |
1234 | case LC_COLLATE: | |
1235 | retval = "LC_COLLATE"; | |
1236 | break; | |
1237 | #endif | |
1238 | #ifdef LC_CTYPE | |
1239 | case LC_CTYPE: | |
1240 | retval = "LC_CTYPE"; | |
1241 | break; | |
1242 | #endif | |
1243 | #ifdef LC_MONETARY | |
1244 | case LC_MONETARY: | |
1245 | retval = "LC_MONETARY"; | |
1246 | break; | |
1247 | #endif | |
1248 | #ifdef LC_NUMERIC | |
1249 | case LC_NUMERIC: | |
1250 | retval = "LC_NUMERIC"; | |
1251 | break; | |
1252 | #endif | |
1253 | #ifdef LC_TIME | |
1254 | case LC_TIME: | |
1255 | retval = "LC_TIME"; | |
1256 | break; | |
1257 | #endif | |
1258 | #ifdef LC_MESSAGES | |
1259 | case LC_MESSAGES: | |
1260 | retval = "LC_MESSAGES"; | |
1261 | break; | |
1262 | #endif | |
1263 | #ifdef LC_RESPONSE | |
1264 | case LC_RESPONSE: | |
1265 | retval = "LC_RESPONSE"; | |
1266 | break; | |
1267 | #endif | |
1268 | #ifdef LC_ALL | |
1269 | case LC_ALL: | |
1270 | /* This might not make sense but is perhaps better than any other | |
1271 | value. */ | |
1272 | retval = "LC_ALL"; | |
1273 | break; | |
1274 | #endif | |
1275 | default: | |
1276 | /* If you have a better idea for a default value let me know. */ | |
1277 | retval = "LC_XXX"; | |
1278 | } | |
1279 | ||
1280 | return retval; | |
1281 | } | |
2b71beea | 1282 | #endif |
abbffdf9 UD |
1283 | |
1284 | /* Guess value of current locale from value of the environment variables. */ | |
1285 | static const char * | |
1286 | internal_function | |
1287 | guess_category_value (category, categoryname) | |
1288 | int category; | |
1289 | const char *categoryname; | |
1290 | { | |
3859d27d | 1291 | const char *language; |
abbffdf9 UD |
1292 | const char *retval; |
1293 | ||
1294 | /* The highest priority value is the `LANGUAGE' environment | |
3859d27d UD |
1295 | variable. But we don't use the value if the currently selected |
1296 | locale is the C locale. This is a GNU extension. */ | |
1297 | language = getenv ("LANGUAGE"); | |
1298 | if (language != NULL && language[0] == '\0') | |
1299 | language = NULL; | |
1300 | ||
1301 | /* We have to proceed with the POSIX methods of looking to `LC_ALL', | |
1302 | `LC_xxx', and `LANG'. On some systems this can be done by the | |
1303 | `setlocale' function itself. */ | |
0555fcce | 1304 | #ifdef _LIBC |
30c14c31 | 1305 | retval = __current_locale_name (category); |
abbffdf9 | 1306 | #else |
0555fcce | 1307 | retval = _nl_locale_name (category, categoryname); |
abbffdf9 | 1308 | #endif |
3859d27d UD |
1309 | |
1310 | return language != NULL && strcmp (retval, "C") != 0 ? language : retval; | |
abbffdf9 UD |
1311 | } |
1312 | ||
0ecb606c JJ |
1313 | #if defined _LIBC || HAVE_ICONV |
1314 | /* Returns the output charset. */ | |
1315 | static const char * | |
1316 | internal_function | |
1317 | get_output_charset (domainbinding) | |
1318 | struct binding *domainbinding; | |
1319 | { | |
1320 | /* The output charset should normally be determined by the locale. But | |
1321 | sometimes the locale is not used or not correctly set up, so we provide | |
1322 | a possibility for the user to override this: the OUTPUT_CHARSET | |
1323 | environment variable. Moreover, the value specified through | |
1324 | bind_textdomain_codeset overrides both. */ | |
1325 | if (domainbinding != NULL && domainbinding->codeset != NULL) | |
1326 | return domainbinding->codeset; | |
1327 | else | |
1328 | { | |
1329 | /* For speed reasons, we look at the value of OUTPUT_CHARSET only | |
1330 | once. This is a user variable that is not supposed to change | |
1331 | during a program run. */ | |
1332 | static char *output_charset_cache; | |
1333 | static int output_charset_cached; | |
1334 | ||
1335 | if (!output_charset_cached) | |
1336 | { | |
1337 | const char *value = getenv ("OUTPUT_CHARSET"); | |
1338 | ||
1339 | if (value != NULL && value[0] != '\0') | |
1340 | { | |
1341 | size_t len = strlen (value) + 1; | |
1342 | char *value_copy = (char *) malloc (len); | |
1343 | ||
1344 | if (value_copy != NULL) | |
1345 | memcpy (value_copy, value, len); | |
1346 | output_charset_cache = value_copy; | |
1347 | } | |
1348 | output_charset_cached = 1; | |
1349 | } | |
1350 | ||
1351 | if (output_charset_cache != NULL) | |
1352 | return output_charset_cache; | |
1353 | else | |
1354 | { | |
1355 | # ifdef _LIBC | |
1356 | return _NL_CURRENT (LC_CTYPE, CODESET); | |
1357 | # else | |
1358 | # if HAVE_ICONV | |
1359 | extern const char *locale_charset PARAMS ((void); | |
1360 | return locale_charset (); | |
1361 | # endif | |
1362 | # endif | |
1363 | } | |
1364 | } | |
1365 | } | |
1366 | #endif | |
1367 | ||
abbffdf9 UD |
1368 | /* @@ begin of epilog @@ */ |
1369 | ||
1370 | /* We don't want libintl.a to depend on any other library. So we | |
1371 | avoid the non-standard function stpcpy. In GNU C Library this | |
1372 | function is available, though. Also allow the symbol HAVE_STPCPY | |
1373 | to be defined. */ | |
1374 | #if !_LIBC && !HAVE_STPCPY | |
1375 | static char * | |
1376 | stpcpy (dest, src) | |
1377 | char *dest; | |
1378 | const char *src; | |
1379 | { | |
1380 | while ((*dest++ = *src++) != '\0') | |
1381 | /* Do nothing. */ ; | |
1382 | return dest - 1; | |
1383 | } | |
1384 | #endif | |
1385 | ||
1386 | #if !_LIBC && !HAVE_MEMPCPY | |
1387 | static void * | |
1388 | mempcpy (dest, src, n) | |
1389 | void *dest; | |
1390 | const void *src; | |
1391 | size_t n; | |
1392 | { | |
b98f4e05 | 1393 | return (void *) ((char *) memcpy (dest, src, n) + n); |
abbffdf9 UD |
1394 | } |
1395 | #endif | |
1396 | ||
1397 | ||
1398 | #ifdef _LIBC | |
1399 | /* If we want to free all resources we have to do some work at | |
1400 | program's end. */ | |
c877418f | 1401 | libc_freeres_fn (free_mem) |
abbffdf9 | 1402 | { |
7f455351 | 1403 | void *old; |
abbffdf9 | 1404 | |
55e2d5c7 | 1405 | while (_nl_domain_bindings != NULL) |
17c389fc | 1406 | { |
55e2d5c7 UD |
1407 | struct binding *oldp = _nl_domain_bindings; |
1408 | _nl_domain_bindings = _nl_domain_bindings->next; | |
0ecb606c | 1409 | if (oldp->dirname != _nl_default_dirname) |
17c389fc | 1410 | /* Yes, this is a pointer comparison. */ |
55e2d5c7 UD |
1411 | free (oldp->dirname); |
1412 | free (oldp->codeset); | |
1413 | free (oldp); | |
17c389fc | 1414 | } |
abbffdf9 UD |
1415 | |
1416 | if (_nl_current_default_domain != _nl_default_default_domain) | |
1417 | /* Yes, again a pointer comparison. */ | |
1418 | free ((char *) _nl_current_default_domain); | |
1419 | ||
17c389fc | 1420 | /* Remove the search tree with the known translations. */ |
abbffdf9 | 1421 | __tdestroy (root, free); |
55e2d5c7 | 1422 | root = NULL; |
7f455351 UD |
1423 | |
1424 | while (transmem_list != NULL) | |
1425 | { | |
1426 | old = transmem_list; | |
1427 | transmem_list = transmem_list->next; | |
1428 | free (old); | |
1429 | } | |
abbffdf9 | 1430 | } |
abbffdf9 | 1431 | #endif |