]>
Commit | Line | Data |
---|---|---|
abbffdf9 | 1 | /* Implementation of the internal dcigettext function. |
d614a753 | 2 | Copyright (C) 1995-2020 Free Software Foundation, Inc. |
abbffdf9 | 3 | |
6d248857 WN |
4 | This program is free software: you can redistribute it and/or modify |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2.1 of the License, or | |
7 | (at your option) any later version. | |
abbffdf9 | 8 | |
6d248857 | 9 | This program is distributed in the hope that it will be useful, |
abbffdf9 | 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
6d248857 WN |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU Lesser General Public License for more details. | |
abbffdf9 | 13 | |
6d248857 | 14 | You should have received a copy of the GNU Lesser General Public License |
5a82c748 | 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
abbffdf9 | 16 | |
0a55a284 UD |
17 | /* Tell glibc's <string.h> to provide a prototype for mempcpy(). |
18 | This must come before <config.h> because <config.h> may include | |
19 | <features.h>, and once <features.h> has been included, it's too late. */ | |
20 | #ifndef _GNU_SOURCE | |
21 | # define _GNU_SOURCE 1 | |
22 | #endif | |
23 | ||
abbffdf9 UD |
24 | #ifdef HAVE_CONFIG_H |
25 | # include <config.h> | |
26 | #endif | |
27 | ||
28 | #include <sys/types.h> | |
29 | ||
0555fcce | 30 | #ifdef __GNUC__ |
abbffdf9 UD |
31 | # define alloca __builtin_alloca |
32 | # define HAVE_ALLOCA 1 | |
33 | #else | |
6d248857 WN |
34 | # ifdef _MSC_VER |
35 | # include <malloc.h> | |
36 | # define alloca _alloca | |
abbffdf9 | 37 | # else |
6d248857 WN |
38 | # if defined HAVE_ALLOCA_H || defined _LIBC |
39 | # include <alloca.h> | |
abbffdf9 | 40 | # else |
6d248857 WN |
41 | # ifdef _AIX |
42 | #pragma alloca | |
43 | # else | |
44 | # ifndef alloca | |
abbffdf9 | 45 | char *alloca (); |
6d248857 | 46 | # endif |
abbffdf9 UD |
47 | # endif |
48 | # endif | |
49 | # endif | |
50 | #endif | |
51 | ||
52 | #include <errno.h> | |
53 | #ifndef errno | |
54 | extern int errno; | |
55 | #endif | |
56 | #ifndef __set_errno | |
57 | # define __set_errno(val) errno = (val) | |
58 | #endif | |
59 | ||
0555fcce UD |
60 | #include <stddef.h> |
61 | #include <stdlib.h> | |
9695dd0c | 62 | #include <stdio.h> |
0555fcce | 63 | #include <string.h> |
abbffdf9 UD |
64 | |
65 | #if defined HAVE_UNISTD_H || defined _LIBC | |
66 | # include <unistd.h> | |
67 | #endif | |
68 | ||
0555fcce | 69 | #include <locale.h> |
abbffdf9 | 70 | |
6d248857 WN |
71 | #ifdef _LIBC |
72 | /* Guess whether integer division by zero raises signal SIGFPE. | |
73 | Set to 1 only if you know for sure. In case of doubt, set to 0. */ | |
74 | # if defined __alpha__ || defined __arm__ || defined __i386__ \ | |
75 | || defined __m68k__ || defined __s390__ | |
76 | # define INTDIV0_RAISES_SIGFPE 1 | |
77 | # else | |
78 | # define INTDIV0_RAISES_SIGFPE 0 | |
79 | # endif | |
80 | #endif | |
81 | #if !INTDIV0_RAISES_SIGFPE | |
82 | # include <signal.h> | |
83 | #endif | |
84 | ||
abbffdf9 UD |
85 | #if defined HAVE_SYS_PARAM_H || defined _LIBC |
86 | # include <sys/param.h> | |
87 | #endif | |
88 | ||
6d248857 WN |
89 | #if !defined _LIBC |
90 | # include "localcharset.h" | |
91 | #endif | |
92 | ||
abbffdf9 | 93 | #include "gettextP.h" |
0555fcce | 94 | #include "plural-exp.h" |
abbffdf9 UD |
95 | #ifdef _LIBC |
96 | # include <libintl.h> | |
97 | #else | |
6d248857 WN |
98 | # ifdef IN_LIBGLOCALE |
99 | # include <libintl.h> | |
100 | # endif | |
4a4d50f3 | 101 | # include "libgnuintl.h" |
abbffdf9 UD |
102 | #endif |
103 | #include "hash-string.h" | |
104 | ||
6d248857 | 105 | /* Handle multi-threaded applications. */ |
abbffdf9 | 106 | #ifdef _LIBC |
ec999b8e | 107 | # include <libc-lock.h> |
6d248857 WN |
108 | # define gl_rwlock_define_initialized __libc_rwlock_define_initialized |
109 | # define gl_rwlock_rdlock __libc_rwlock_rdlock | |
110 | # define gl_rwlock_wrlock __libc_rwlock_wrlock | |
111 | # define gl_rwlock_unlock __libc_rwlock_unlock | |
0ed99ce4 | 112 | #else |
6d248857 | 113 | # include "lock.h" |
abbffdf9 UD |
114 | #endif |
115 | ||
45eca4d1 UD |
116 | /* Alignment of types. */ |
117 | #if defined __GNUC__ && __GNUC__ >= 2 | |
118 | # define alignof(TYPE) __alignof__ (TYPE) | |
119 | #else | |
120 | # define alignof(TYPE) \ | |
121 | ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2) | |
122 | #endif | |
123 | ||
4a4d50f3 UD |
124 | /* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */ |
125 | #ifndef offsetof | |
126 | # define offsetof(type,ident) ((size_t)&(((type*)0)->ident)) | |
127 | #endif | |
128 | ||
abbffdf9 UD |
129 | /* @@ end of prolog @@ */ |
130 | ||
131 | #ifdef _LIBC | |
132 | /* Rename the non ANSI C functions. This is required by the standard | |
133 | because some ANSI C functions will require linking with this object | |
134 | file and the name space must not be polluted. */ | |
ae65d4f3 | 135 | # define strdup __strdup |
abbffdf9 UD |
136 | # define getcwd __getcwd |
137 | # ifndef stpcpy | |
138 | # define stpcpy __stpcpy | |
139 | # endif | |
4aebaa6b | 140 | # define tfind __tfind |
abbffdf9 UD |
141 | #else |
142 | # if !defined HAVE_GETCWD | |
143 | char *getwd (); | |
144 | # define getcwd(buf, max) getwd (buf) | |
145 | # else | |
6d248857 WN |
146 | # if VMS |
147 | # define getcwd(buf, max) (getcwd) (buf, max, 0) | |
148 | # else | |
abbffdf9 | 149 | char *getcwd (); |
6d248857 | 150 | # endif |
abbffdf9 UD |
151 | # endif |
152 | # ifndef HAVE_STPCPY | |
6d248857 | 153 | static char *stpcpy (char *dest, const char *src); |
abbffdf9 UD |
154 | # endif |
155 | # ifndef HAVE_MEMPCPY | |
6d248857 | 156 | static void *mempcpy (void *dest, const void *src, size_t n); |
abbffdf9 UD |
157 | # endif |
158 | #endif | |
159 | ||
6d248857 WN |
160 | /* Use a replacement if the system does not provide the `tsearch' function |
161 | family. */ | |
162 | #if defined HAVE_TSEARCH || defined _LIBC | |
163 | # include <search.h> | |
164 | #else | |
165 | # define tsearch libintl_tsearch | |
166 | # define tfind libintl_tfind | |
167 | # define tdelete libintl_tdelete | |
168 | # define twalk libintl_twalk | |
169 | # include "tsearch.h" | |
170 | #endif | |
171 | ||
172 | #ifdef _LIBC | |
173 | # define tsearch __tsearch | |
174 | #endif | |
175 | ||
abbffdf9 UD |
176 | /* Amount to increase buffer size by in each try. */ |
177 | #define PATH_INCR 32 | |
178 | ||
179 | /* The following is from pathmax.h. */ | |
180 | /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define | |
181 | PATH_MAX but might cause redefinition warnings when sys/param.h is | |
182 | later included (as on MORE/BSD 4.3). */ | |
183 | #if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__) | |
184 | # include <limits.h> | |
185 | #endif | |
186 | ||
187 | #ifndef _POSIX_PATH_MAX | |
188 | # define _POSIX_PATH_MAX 255 | |
189 | #endif | |
190 | ||
191 | #if !defined PATH_MAX && defined _PC_PATH_MAX | |
d9525977 | 192 | # define PATH_MAX (__pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : __pathconf ("/", _PC_PATH_MAX)) |
abbffdf9 UD |
193 | #endif |
194 | ||
195 | /* Don't include sys/param.h if it already has been. */ | |
196 | #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN | |
197 | # include <sys/param.h> | |
198 | #endif | |
199 | ||
200 | #if !defined PATH_MAX && defined MAXPATHLEN | |
201 | # define PATH_MAX MAXPATHLEN | |
202 | #endif | |
203 | ||
204 | #ifndef PATH_MAX | |
205 | # define PATH_MAX _POSIX_PATH_MAX | |
206 | #endif | |
207 | ||
6d248857 WN |
208 | /* Pathname support. |
209 | ISSLASH(C) tests whether C is a directory separator character. | |
210 | IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, | |
211 | it may be concatenated to a directory pathname. | |
212 | IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. | |
213 | */ | |
214 | #if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ | |
215 | /* Win32, Cygwin, OS/2, DOS */ | |
216 | # define ISSLASH(C) ((C) == '/' || (C) == '\\') | |
217 | # define HAS_DEVICE(P) \ | |
218 | ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ | |
219 | && (P)[1] == ':') | |
220 | # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) | |
221 | # define IS_PATH_WITH_DIR(P) \ | |
222 | (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) | |
223 | #else | |
224 | /* Unix */ | |
225 | # define ISSLASH(C) ((C) == '/') | |
226 | # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) | |
227 | # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) | |
228 | #endif | |
229 | ||
8406a53a | 230 | /* Whether to support different locales in different threads. */ |
6d248857 | 231 | #if defined _LIBC || HAVE_USELOCALE || defined IN_LIBGLOCALE |
8406a53a UD |
232 | # define HAVE_PER_THREAD_LOCALE |
233 | #endif | |
234 | ||
abbffdf9 UD |
235 | /* This is the type used for the search tree where known translations |
236 | are stored. */ | |
237 | struct known_translation_t | |
238 | { | |
239 | /* Domain in which to search. */ | |
edac4240 | 240 | const char *domainname; |
abbffdf9 UD |
241 | |
242 | /* The category. */ | |
243 | int category; | |
244 | ||
8406a53a UD |
245 | #ifdef HAVE_PER_THREAD_LOCALE |
246 | /* Name of the relevant locale category, or "" for the global locale. */ | |
247 | const char *localename; | |
248 | #endif | |
249 | ||
6d248857 WN |
250 | #ifdef IN_LIBGLOCALE |
251 | /* The character encoding. */ | |
252 | const char *encoding; | |
253 | #endif | |
254 | ||
abbffdf9 UD |
255 | /* State of the catalog counter at the point the string was found. */ |
256 | int counter; | |
257 | ||
f8f900ec UD |
258 | /* Catalog where the string was found. */ |
259 | struct loaded_l10nfile *domain; | |
260 | ||
abbffdf9 UD |
261 | /* And finally the translation. */ |
262 | const char *translation; | |
f8f900ec | 263 | size_t translation_length; |
abbffdf9 UD |
264 | |
265 | /* Pointer to the string in question. */ | |
80b286ed UD |
266 | union |
267 | { | |
268 | char appended[ZERO]; /* used if domain != NULL */ | |
269 | const char *ptr; /* used if domain == NULL */ | |
270 | } | |
271 | msgid; | |
abbffdf9 UD |
272 | }; |
273 | ||
6d248857 | 274 | gl_rwlock_define_initialized (static, tree_lock) |
abbffdf9 | 275 | |
6d248857 | 276 | /* Root of the search tree with known translations. */ |
abbffdf9 UD |
277 | static void *root; |
278 | ||
abbffdf9 UD |
279 | /* Function to compare two entries in the table of known translations. */ |
280 | static int | |
6d248857 | 281 | transcmp (const void *p1, const void *p2) |
abbffdf9 | 282 | { |
ad5b53b1 UD |
283 | const struct known_translation_t *s1; |
284 | const struct known_translation_t *s2; | |
abbffdf9 UD |
285 | int result; |
286 | ||
ad5b53b1 UD |
287 | s1 = (const struct known_translation_t *) p1; |
288 | s2 = (const struct known_translation_t *) p2; | |
289 | ||
80b286ed UD |
290 | result = strcmp (s1->domain != NULL ? s1->msgid.appended : s1->msgid.ptr, |
291 | s2->domain != NULL ? s2->msgid.appended : s2->msgid.ptr); | |
abbffdf9 UD |
292 | if (result == 0) |
293 | { | |
f8f900ec | 294 | result = strcmp (s1->domainname, s2->domainname); |
abbffdf9 | 295 | if (result == 0) |
8406a53a UD |
296 | { |
297 | #ifdef HAVE_PER_THREAD_LOCALE | |
298 | result = strcmp (s1->localename, s2->localename); | |
299 | if (result == 0) | |
300 | #endif | |
6d248857 WN |
301 | { |
302 | #ifdef IN_LIBGLOCALE | |
303 | result = strcmp (s1->encoding, s2->encoding); | |
304 | if (result == 0) | |
305 | #endif | |
306 | /* We compare the category last (though this is the cheapest | |
307 | operation) since it is hopefully always the same (namely | |
308 | LC_MESSAGES). */ | |
309 | result = s1->category - s2->category; | |
310 | } | |
8406a53a | 311 | } |
abbffdf9 UD |
312 | } |
313 | ||
314 | return result; | |
315 | } | |
abbffdf9 UD |
316 | |
317 | /* Name of the default domain used for gettext(3) prior any call to | |
318 | textdomain(3). The default value for this is "messages". */ | |
418f1701 | 319 | const char _nl_default_default_domain[] attribute_hidden = "messages"; |
abbffdf9 | 320 | |
6d248857 | 321 | #ifndef IN_LIBGLOCALE |
abbffdf9 | 322 | /* Value used as the default domain for gettext(3). */ |
418f1701 UD |
323 | const char *_nl_current_default_domain attribute_hidden |
324 | = _nl_default_default_domain; | |
6d248857 | 325 | #endif |
abbffdf9 UD |
326 | |
327 | /* Contains the default location of the message catalogs. */ | |
6d248857 WN |
328 | #if defined __EMX__ |
329 | extern const char _nl_default_dirname[]; | |
330 | #else | |
331 | # ifdef _LIBC | |
9cfe5381 RM |
332 | extern const char _nl_default_dirname[]; |
333 | libc_hidden_proto (_nl_default_dirname) | |
6d248857 | 334 | # endif |
4a4d50f3 | 335 | const char _nl_default_dirname[] = LOCALEDIR; |
6d248857 | 336 | # ifdef _LIBC |
9cfe5381 | 337 | libc_hidden_data_def (_nl_default_dirname) |
6d248857 | 338 | # endif |
9cfe5381 | 339 | #endif |
abbffdf9 | 340 | |
6d248857 | 341 | #ifndef IN_LIBGLOCALE |
abbffdf9 UD |
342 | /* List with bindings of specific domains created by bindtextdomain() |
343 | calls. */ | |
344 | struct binding *_nl_domain_bindings; | |
6d248857 | 345 | #endif |
abbffdf9 UD |
346 | |
347 | /* Prototypes for local functions. */ | |
6d248857 WN |
348 | static char *plural_lookup (struct loaded_l10nfile *domain, |
349 | unsigned long int n, | |
d7ccc6c9 | 350 | const char *translation, size_t translation_len); |
6d248857 WN |
351 | |
352 | #ifdef IN_LIBGLOCALE | |
353 | static const char *guess_category_value (int category, | |
354 | const char *categoryname, | |
d7ccc6c9 | 355 | const char *localename); |
6d248857 WN |
356 | #else |
357 | static const char *guess_category_value (int category, | |
d7ccc6c9 | 358 | const char *categoryname); |
6d248857 WN |
359 | #endif |
360 | ||
2b71beea RM |
361 | #ifdef _LIBC |
362 | # include "../locale/localeinfo.h" | |
de18a706 | 363 | # define category_to_name(category) _nl_category_names_get (category) |
2b71beea | 364 | #else |
d7ccc6c9 | 365 | static const char *category_to_name (int category); |
6d248857 WN |
366 | #endif |
367 | #if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE | |
d7ccc6c9 | 368 | static const char *get_output_charset (struct binding *domainbinding); |
2b71beea | 369 | #endif |
abbffdf9 UD |
370 | |
371 | ||
6d248857 | 372 | /* For those losing systems which don't have `alloca' we have to add |
abbffdf9 UD |
373 | some additional code emulating it. */ |
374 | #ifdef HAVE_ALLOCA | |
375 | /* Nothing has to be done. */ | |
0f131646 | 376 | # define freea(p) /* nothing */ |
abbffdf9 UD |
377 | # define ADD_BLOCK(list, address) /* nothing */ |
378 | # define FREE_BLOCKS(list) /* nothing */ | |
379 | #else | |
380 | struct block_list | |
381 | { | |
382 | void *address; | |
383 | struct block_list *next; | |
384 | }; | |
385 | # define ADD_BLOCK(list, addr) \ | |
386 | do { \ | |
387 | struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ | |
388 | /* If we cannot get a free block we cannot add the new element to \ | |
389 | the list. */ \ | |
390 | if (newp != NULL) { \ | |
391 | newp->address = (addr); \ | |
392 | newp->next = (list); \ | |
393 | (list) = newp; \ | |
394 | } \ | |
395 | } while (0) | |
396 | # define FREE_BLOCKS(list) \ | |
397 | do { \ | |
398 | while (list != NULL) { \ | |
399 | struct block_list *old = list; \ | |
400 | list = list->next; \ | |
0f131646 | 401 | free (old->address); \ |
abbffdf9 UD |
402 | free (old); \ |
403 | } \ | |
404 | } while (0) | |
405 | # undef alloca | |
406 | # define alloca(size) (malloc (size)) | |
0f131646 | 407 | # define freea(p) free (p) |
abbffdf9 UD |
408 | #endif /* have alloca */ |
409 | ||
410 | ||
f8f900ec | 411 | #ifdef _LIBC |
7f455351 | 412 | /* List of blocks allocated for translations. */ |
f8f900ec | 413 | typedef struct transmem_list |
7f455351 UD |
414 | { |
415 | struct transmem_list *next; | |
4a4d50f3 | 416 | char data[ZERO]; |
f8f900ec UD |
417 | } transmem_block_t; |
418 | static struct transmem_list *transmem_list; | |
419 | #else | |
e686e1a1 | 420 | typedef unsigned char transmem_block_t; |
f8f900ec | 421 | #endif |
7f455351 UD |
422 | |
423 | ||
abbffdf9 UD |
424 | /* Names for the libintl functions are a problem. They must not clash |
425 | with existing names and they should follow ANSI C. But this source | |
426 | code is also used in GNU C Library where the names have a __ | |
427 | prefix. So we have to make a difference here. */ | |
428 | #ifdef _LIBC | |
429 | # define DCIGETTEXT __dcigettext | |
430 | #else | |
0f131646 | 431 | # define DCIGETTEXT libintl_dcigettext |
abbffdf9 UD |
432 | #endif |
433 | ||
0ed99ce4 | 434 | /* Lock variable to protect the global data in the gettext implementation. */ |
6d248857 | 435 | gl_rwlock_define_initialized (, _nl_state_lock attribute_hidden) |
0ed99ce4 | 436 | |
abbffdf9 UD |
437 | /* Checking whether the binaries runs SUID must be done and glibc provides |
438 | easier methods therefore we make a difference here. */ | |
439 | #ifdef _LIBC | |
440 | # define ENABLE_SECURE __libc_enable_secure | |
441 | # define DETERMINE_SECURE | |
442 | #else | |
0f131646 RM |
443 | # ifndef HAVE_GETUID |
444 | # define getuid() 0 | |
445 | # endif | |
446 | # ifndef HAVE_GETGID | |
447 | # define getgid() 0 | |
448 | # endif | |
449 | # ifndef HAVE_GETEUID | |
450 | # define geteuid() getuid() | |
451 | # endif | |
452 | # ifndef HAVE_GETEGID | |
453 | # define getegid() getgid() | |
454 | # endif | |
abbffdf9 UD |
455 | static int enable_secure; |
456 | # define ENABLE_SECURE (enable_secure == 1) | |
457 | # define DETERMINE_SECURE \ | |
458 | if (enable_secure == 0) \ | |
459 | { \ | |
460 | if (getuid () != geteuid () || getgid () != getegid ()) \ | |
461 | enable_secure = 1; \ | |
462 | else \ | |
463 | enable_secure = -1; \ | |
464 | } | |
465 | #endif | |
466 | ||
0555fcce | 467 | /* Get the function to evaluate the plural expression. */ |
6d248857 | 468 | #include "eval-plural.h" |
0555fcce | 469 | |
abbffdf9 UD |
470 | /* Look up MSGID in the DOMAINNAME message catalog for the current |
471 | CATEGORY locale and, if PLURAL is nonzero, search over string | |
472 | depending on the plural form determined by N. */ | |
6d248857 | 473 | #ifdef IN_LIBGLOCALE |
abbffdf9 | 474 | char * |
6d248857 WN |
475 | gl_dcigettext (const char *domainname, |
476 | const char *msgid1, const char *msgid2, | |
477 | int plural, unsigned long int n, | |
478 | int category, | |
479 | const char *localename, const char *encoding) | |
480 | #else | |
481 | char * | |
482 | DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2, | |
483 | int plural, unsigned long int n, int category) | |
484 | #endif | |
abbffdf9 UD |
485 | { |
486 | #ifndef HAVE_ALLOCA | |
487 | struct block_list *block_list = NULL; | |
488 | #endif | |
489 | struct loaded_l10nfile *domain; | |
490 | struct binding *binding; | |
491 | const char *categoryname; | |
492 | const char *categoryvalue; | |
6d248857 | 493 | const char *dirname; |
9695dd0c | 494 | char *xdirname = NULL; |
6d248857 | 495 | char *xdomainname; |
abbffdf9 UD |
496 | char *single_locale; |
497 | char *retval; | |
f8f900ec | 498 | size_t retlen; |
abbffdf9 | 499 | int saved_errno; |
80b286ed | 500 | struct known_translation_t search; |
abbffdf9 | 501 | struct known_translation_t **foundp = NULL; |
6d248857 | 502 | #if defined HAVE_PER_THREAD_LOCALE && !defined IN_LIBGLOCALE |
8406a53a | 503 | const char *localename; |
abbffdf9 UD |
504 | #endif |
505 | size_t domainname_len; | |
506 | ||
507 | /* If no real MSGID is given return NULL. */ | |
508 | if (msgid1 == NULL) | |
509 | return NULL; | |
510 | ||
2b71beea RM |
511 | #ifdef _LIBC |
512 | if (category < 0 || category >= __LC_LAST || category == LC_ALL) | |
513 | /* Bogus. */ | |
514 | return (plural == 0 | |
515 | ? (char *) msgid1 | |
516 | /* Use the Germanic plural rule. */ | |
517 | : n == 1 ? (char *) msgid1 : (char *) msgid2); | |
518 | #endif | |
519 | ||
6d248857 WN |
520 | /* Preserve the `errno' value. */ |
521 | saved_errno = errno; | |
522 | ||
9a69db29 UD |
523 | #ifdef _LIBC |
524 | __libc_rwlock_define (extern, __libc_setlocale_lock attribute_hidden) | |
525 | __libc_rwlock_rdlock (__libc_setlocale_lock); | |
526 | #endif | |
527 | ||
6d248857 | 528 | gl_rwlock_rdlock (_nl_state_lock); |
0ed99ce4 | 529 | |
17c389fc UD |
530 | /* If DOMAINNAME is NULL, we are interested in the default domain. If |
531 | CATEGORY is not LC_MESSAGES this might not make much sense but the | |
532 | definition left this undefined. */ | |
533 | if (domainname == NULL) | |
534 | domainname = _nl_current_default_domain; | |
535 | ||
6d248857 WN |
536 | /* OS/2 specific: backward compatibility with older libintl versions */ |
537 | #ifdef LC_MESSAGES_COMPAT | |
538 | if (category == LC_MESSAGES_COMPAT) | |
539 | category = LC_MESSAGES; | |
540 | #endif | |
541 | ||
f8f900ec UD |
542 | /* Try to find the translation among those which we found at |
543 | some time. */ | |
80b286ed UD |
544 | search.domain = NULL; |
545 | search.msgid.ptr = msgid1; | |
546 | search.domainname = domainname; | |
547 | search.category = category; | |
6d248857 WN |
548 | #ifdef HAVE_PER_THREAD_LOCALE |
549 | # ifndef IN_LIBGLOCALE | |
8406a53a | 550 | # ifdef _LIBC |
37e9dc81 | 551 | localename = __current_locale_name (category); |
6d248857 WN |
552 | # else |
553 | categoryname = category_to_name (category); | |
554 | # define CATEGORYNAME_INITIALIZED | |
555 | localename = _nl_locale_name_thread_unsafe (category, categoryname); | |
556 | if (localename == NULL) | |
557 | localename = ""; | |
8406a53a | 558 | # endif |
6d248857 | 559 | # endif |
80b286ed | 560 | search.localename = localename; |
6d248857 WN |
561 | # ifdef IN_LIBGLOCALE |
562 | search.encoding = encoding; | |
8406a53a | 563 | # endif |
f8f900ec | 564 | |
ce7265c7 UD |
565 | /* Since tfind/tsearch manage a balanced tree, concurrent tfind and |
566 | tsearch calls can be fatal. */ | |
6d248857 | 567 | gl_rwlock_rdlock (tree_lock); |
ce7265c7 | 568 | |
80b286ed | 569 | foundp = (struct known_translation_t **) tfind (&search, &root, transcmp); |
ce7265c7 | 570 | |
6d248857 | 571 | gl_rwlock_unlock (tree_lock); |
ce7265c7 | 572 | |
f8f900ec | 573 | if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr) |
abbffdf9 | 574 | { |
f8f900ec UD |
575 | /* Now deal with plural. */ |
576 | if (plural) | |
577 | retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation, | |
578 | (*foundp)->translation_length); | |
579 | else | |
580 | retval = (char *) (*foundp)->translation; | |
581 | ||
6d248857 | 582 | gl_rwlock_unlock (_nl_state_lock); |
9a69db29 UD |
583 | # ifdef _LIBC |
584 | __libc_rwlock_unlock (__libc_setlocale_lock); | |
585 | # endif | |
6d248857 | 586 | __set_errno (saved_errno); |
f8f900ec | 587 | return retval; |
abbffdf9 UD |
588 | } |
589 | #endif | |
590 | ||
abbffdf9 UD |
591 | /* See whether this is a SUID binary or not. */ |
592 | DETERMINE_SECURE; | |
593 | ||
abbffdf9 | 594 | /* First find matching binding. */ |
6d248857 WN |
595 | #ifdef IN_LIBGLOCALE |
596 | /* We can use a trivial binding, since _nl_find_msg will ignore it anyway, | |
597 | and _nl_load_domain and _nl_find_domain just pass it through. */ | |
598 | binding = NULL; | |
599 | dirname = bindtextdomain (domainname, NULL); | |
600 | #else | |
abbffdf9 UD |
601 | for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) |
602 | { | |
603 | int compare = strcmp (domainname, binding->domainname); | |
604 | if (compare == 0) | |
605 | /* We found it! */ | |
606 | break; | |
607 | if (compare < 0) | |
608 | { | |
609 | /* It is not in the list. */ | |
610 | binding = NULL; | |
611 | break; | |
612 | } | |
613 | } | |
614 | ||
615 | if (binding == NULL) | |
6d248857 | 616 | dirname = _nl_default_dirname; |
abbffdf9 UD |
617 | else |
618 | { | |
6d248857 WN |
619 | dirname = binding->dirname; |
620 | #endif | |
621 | if (!IS_ABSOLUTE_PATH (dirname)) | |
622 | { | |
623 | /* We have a relative path. Make it absolute now. */ | |
9695dd0c FW |
624 | char *cwd = getcwd (NULL, 0); |
625 | if (cwd == NULL) | |
626 | /* We cannot get the current working directory. Don't | |
627 | signal an error but simply return the default | |
628 | string. */ | |
6d248857 | 629 | goto return_untranslated; |
9695dd0c FW |
630 | int ret = __asprintf (&xdirname, "%s/%s", cwd, dirname); |
631 | free (cwd); | |
632 | if (ret < 0) | |
8c1aafc1 | 633 | goto return_untranslated; |
9695dd0c | 634 | dirname = xdirname; |
6d248857 WN |
635 | } |
636 | #ifndef IN_LIBGLOCALE | |
abbffdf9 | 637 | } |
6d248857 | 638 | #endif |
abbffdf9 UD |
639 | |
640 | /* Now determine the symbolic name of CATEGORY and its value. */ | |
6d248857 | 641 | #ifndef CATEGORYNAME_INITIALIZED |
abbffdf9 | 642 | categoryname = category_to_name (category); |
6d248857 WN |
643 | #endif |
644 | #ifdef IN_LIBGLOCALE | |
645 | categoryvalue = guess_category_value (category, categoryname, localename); | |
646 | #else | |
abbffdf9 | 647 | categoryvalue = guess_category_value (category, categoryname); |
6d248857 | 648 | #endif |
abbffdf9 UD |
649 | |
650 | domainname_len = strlen (domainname); | |
651 | xdomainname = (char *) alloca (strlen (categoryname) | |
652 | + domainname_len + 5); | |
653 | ADD_BLOCK (block_list, xdomainname); | |
654 | ||
6d248857 WN |
655 | stpcpy ((char *) mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"), |
656 | domainname, domainname_len), | |
abbffdf9 UD |
657 | ".mo"); |
658 | ||
659 | /* Creating working area. */ | |
660 | single_locale = (char *) alloca (strlen (categoryvalue) + 1); | |
661 | ADD_BLOCK (block_list, single_locale); | |
662 | ||
663 | ||
664 | /* Search for the given string. This is a loop because we perhaps | |
665 | got an ordered list of languages to consider for the translation. */ | |
666 | while (1) | |
667 | { | |
668 | /* Make CATEGORYVALUE point to the next element of the list. */ | |
669 | while (categoryvalue[0] != '\0' && categoryvalue[0] == ':') | |
670 | ++categoryvalue; | |
671 | if (categoryvalue[0] == '\0') | |
672 | { | |
673 | /* The whole contents of CATEGORYVALUE has been searched but | |
674 | no valid entry has been found. We solve this situation | |
675 | by implicitly appending a "C" entry, i.e. no translation | |
676 | will take place. */ | |
677 | single_locale[0] = 'C'; | |
678 | single_locale[1] = '\0'; | |
679 | } | |
680 | else | |
681 | { | |
682 | char *cp = single_locale; | |
683 | while (categoryvalue[0] != '\0' && categoryvalue[0] != ':') | |
684 | *cp++ = *categoryvalue++; | |
685 | *cp = '\0'; | |
686 | ||
687 | /* When this is a SUID binary we must not allow accessing files | |
688 | outside the dedicated directories. */ | |
6d248857 | 689 | if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale)) |
abbffdf9 UD |
690 | /* Ingore this entry. */ |
691 | continue; | |
692 | } | |
693 | ||
694 | /* If the current locale value is C (or POSIX) we don't load a | |
695 | domain. Return the MSGID. */ | |
696 | if (strcmp (single_locale, "C") == 0 | |
697 | || strcmp (single_locale, "POSIX") == 0) | |
6d248857 | 698 | break; |
abbffdf9 UD |
699 | |
700 | /* Find structure describing the message catalog matching the | |
701 | DOMAINNAME and CATEGORY. */ | |
17c389fc | 702 | domain = _nl_find_domain (dirname, single_locale, xdomainname, binding); |
abbffdf9 UD |
703 | |
704 | if (domain != NULL) | |
705 | { | |
6d248857 WN |
706 | #if defined IN_LIBGLOCALE |
707 | retval = _nl_find_msg (domain, binding, encoding, msgid1, &retlen); | |
708 | #else | |
4e82c610 | 709 | retval = _nl_find_msg (domain, binding, msgid1, 1, &retlen); |
6d248857 | 710 | #endif |
abbffdf9 UD |
711 | |
712 | if (retval == NULL) | |
713 | { | |
714 | int cnt; | |
715 | ||
716 | for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) | |
717 | { | |
6d248857 WN |
718 | #if defined IN_LIBGLOCALE |
719 | retval = _nl_find_msg (domain->successor[cnt], binding, | |
720 | encoding, msgid1, &retlen); | |
721 | #else | |
c44a663d | 722 | retval = _nl_find_msg (domain->successor[cnt], binding, |
4e82c610 | 723 | msgid1, 1, &retlen); |
6d248857 | 724 | #endif |
abbffdf9 | 725 | |
7a44c18f CD |
726 | /* Resource problems are not fatal, instead we return no |
727 | translation. */ | |
6d248857 WN |
728 | if (__builtin_expect (retval == (char *) -1, 0)) |
729 | goto return_untranslated; | |
7a44c18f | 730 | |
abbffdf9 | 731 | if (retval != NULL) |
f8f900ec UD |
732 | { |
733 | domain = domain->successor[cnt]; | |
734 | break; | |
735 | } | |
abbffdf9 UD |
736 | } |
737 | } | |
738 | ||
4259230f UD |
739 | /* Returning -1 means that some resource problem exists |
740 | (likely memory) and that the strings could not be | |
741 | converted. Return the original strings. */ | |
6d248857 WN |
742 | if (__builtin_expect (retval == (char *) -1, 0)) |
743 | break; | |
4259230f | 744 | |
abbffdf9 UD |
745 | if (retval != NULL) |
746 | { | |
f8f900ec UD |
747 | /* Found the translation of MSGID1 in domain DOMAIN: |
748 | starting at RETVAL, RETLEN bytes. */ | |
9695dd0c | 749 | free (xdirname); |
abbffdf9 | 750 | FREE_BLOCKS (block_list); |
abbffdf9 UD |
751 | if (foundp == NULL) |
752 | { | |
753 | /* Create a new entry and add it to the search tree. */ | |
80b286ed | 754 | size_t msgid_len; |
8406a53a | 755 | size_t size; |
abbffdf9 UD |
756 | struct known_translation_t *newp; |
757 | ||
80b286ed | 758 | msgid_len = strlen (msgid1) + 1; |
8406a53a UD |
759 | size = offsetof (struct known_translation_t, msgid) |
760 | + msgid_len + domainname_len + 1; | |
6d248857 | 761 | #ifdef HAVE_PER_THREAD_LOCALE |
8406a53a | 762 | size += strlen (localename) + 1; |
6d248857 | 763 | #endif |
8406a53a | 764 | newp = (struct known_translation_t *) malloc (size); |
abbffdf9 UD |
765 | if (newp != NULL) |
766 | { | |
edac4240 | 767 | char *new_domainname; |
6d248857 | 768 | #ifdef HAVE_PER_THREAD_LOCALE |
8406a53a | 769 | char *new_localename; |
6d248857 | 770 | #endif |
edac4240 | 771 | |
80b286ed | 772 | new_domainname = |
6d248857 WN |
773 | (char *) mempcpy (newp->msgid.appended, msgid1, |
774 | msgid_len); | |
edac4240 | 775 | memcpy (new_domainname, domainname, domainname_len + 1); |
6d248857 | 776 | #ifdef HAVE_PER_THREAD_LOCALE |
8406a53a UD |
777 | new_localename = new_domainname + domainname_len + 1; |
778 | strcpy (new_localename, localename); | |
6d248857 | 779 | #endif |
edac4240 | 780 | newp->domainname = new_domainname; |
abbffdf9 | 781 | newp->category = category; |
6d248857 | 782 | #ifdef HAVE_PER_THREAD_LOCALE |
8406a53a | 783 | newp->localename = new_localename; |
6d248857 WN |
784 | #endif |
785 | #ifdef IN_LIBGLOCALE | |
786 | newp->encoding = encoding; | |
787 | #endif | |
abbffdf9 | 788 | newp->counter = _nl_msg_cat_cntr; |
f8f900ec | 789 | newp->domain = domain; |
abbffdf9 | 790 | newp->translation = retval; |
f8f900ec | 791 | newp->translation_length = retlen; |
abbffdf9 | 792 | |
6d248857 | 793 | gl_rwlock_wrlock (tree_lock); |
ce7265c7 | 794 | |
abbffdf9 UD |
795 | /* Insert the entry in the search tree. */ |
796 | foundp = (struct known_translation_t **) | |
797 | tsearch (newp, &root, transcmp); | |
ce7265c7 | 798 | |
6d248857 | 799 | gl_rwlock_unlock (tree_lock); |
ce7265c7 | 800 | |
d89d0afa UD |
801 | if (foundp == NULL |
802 | || __builtin_expect (*foundp != newp, 0)) | |
abbffdf9 UD |
803 | /* The insert failed. */ |
804 | free (newp); | |
805 | } | |
806 | } | |
807 | else | |
808 | { | |
809 | /* We can update the existing entry. */ | |
810 | (*foundp)->counter = _nl_msg_cat_cntr; | |
f8f900ec | 811 | (*foundp)->domain = domain; |
abbffdf9 | 812 | (*foundp)->translation = retval; |
f8f900ec | 813 | (*foundp)->translation_length = retlen; |
abbffdf9 | 814 | } |
6d248857 | 815 | |
7f4dce05 RM |
816 | __set_errno (saved_errno); |
817 | ||
f8f900ec UD |
818 | /* Now deal with plural. */ |
819 | if (plural) | |
820 | retval = plural_lookup (domain, n, retval, retlen); | |
821 | ||
6d248857 WN |
822 | gl_rwlock_unlock (_nl_state_lock); |
823 | #ifdef _LIBC | |
9a69db29 | 824 | __libc_rwlock_unlock (__libc_setlocale_lock); |
6d248857 | 825 | #endif |
abbffdf9 UD |
826 | return retval; |
827 | } | |
828 | } | |
829 | } | |
6d248857 WN |
830 | |
831 | return_untranslated: | |
832 | /* Return the untranslated MSGID. */ | |
9695dd0c | 833 | free (xdirname); |
6d248857 WN |
834 | FREE_BLOCKS (block_list); |
835 | gl_rwlock_unlock (_nl_state_lock); | |
836 | #ifdef _LIBC | |
837 | __libc_rwlock_unlock (__libc_setlocale_lock); | |
838 | #endif | |
839 | #ifndef _LIBC | |
840 | if (!ENABLE_SECURE) | |
841 | { | |
842 | extern void _nl_log_untranslated (const char *logfilename, | |
843 | const char *domainname, | |
844 | const char *msgid1, const char *msgid2, | |
845 | int plural); | |
846 | const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED"); | |
847 | ||
848 | if (logfilename != NULL && logfilename[0] != '\0') | |
849 | _nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural); | |
850 | } | |
851 | #endif | |
852 | __set_errno (saved_errno); | |
853 | return (plural == 0 | |
854 | ? (char *) msgid1 | |
855 | /* Use the Germanic plural rule. */ | |
856 | : n == 1 ? (char *) msgid1 : (char *) msgid2); | |
abbffdf9 UD |
857 | } |
858 | ||
859 | ||
6d248857 WN |
860 | /* Look up the translation of msgid within DOMAIN_FILE and DOMAINBINDING. |
861 | Return it if found. Return NULL if not found or in case of a conversion | |
862 | failure (problem in the particular message catalog). Return (char *) -1 | |
863 | in case of a memory allocation failure during conversion (only if | |
864 | ENCODING != NULL resp. CONVERT == true). */ | |
abbffdf9 | 865 | char * |
6d248857 WN |
866 | #ifdef IN_LIBGLOCALE |
867 | _nl_find_msg (struct loaded_l10nfile *domain_file, | |
868 | struct binding *domainbinding, const char *encoding, | |
869 | const char *msgid, | |
870 | size_t *lengthp) | |
871 | #else | |
872 | _nl_find_msg (struct loaded_l10nfile *domain_file, | |
873 | struct binding *domainbinding, | |
874 | const char *msgid, int convert, | |
875 | size_t *lengthp) | |
876 | #endif | |
abbffdf9 | 877 | { |
354e6102 | 878 | struct loaded_domain *domain; |
3172f58f | 879 | nls_uint32 nstrings; |
0a55a284 UD |
880 | size_t act; |
881 | char *result; | |
f8f900ec | 882 | size_t resultlen; |
abbffdf9 | 883 | |
ce7265c7 | 884 | if (domain_file->decided <= 0) |
c44a663d | 885 | _nl_load_domain (domain_file, domainbinding); |
abbffdf9 UD |
886 | |
887 | if (domain_file->data == NULL) | |
888 | return NULL; | |
889 | ||
354e6102 | 890 | domain = (struct loaded_domain *) domain_file->data; |
abbffdf9 | 891 | |
3172f58f UD |
892 | nstrings = domain->nstrings; |
893 | ||
abbffdf9 | 894 | /* Locate the MSGID and its translation. */ |
3172f58f | 895 | if (domain->hash_tab != NULL) |
abbffdf9 UD |
896 | { |
897 | /* Use the hashing table. */ | |
898 | nls_uint32 len = strlen (msgid); | |
dd9423a6 | 899 | nls_uint32 hash_val = __hash_string (msgid); |
abbffdf9 UD |
900 | nls_uint32 idx = hash_val % domain->hash_size; |
901 | nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2)); | |
abbffdf9 | 902 | |
abbffdf9 UD |
903 | while (1) |
904 | { | |
3172f58f UD |
905 | nls_uint32 nstr = |
906 | W (domain->must_swap_hash_tab, domain->hash_tab[idx]); | |
4a4d50f3 UD |
907 | |
908 | if (nstr == 0) | |
909 | /* Hash table entry is empty. */ | |
910 | return NULL; | |
911 | ||
3172f58f UD |
912 | nstr--; |
913 | ||
914 | /* Compare msgid with the original string at index nstr. | |
f8f900ec UD |
915 | We compare the lengths with >=, not ==, because plural entries |
916 | are represented by strings with an embedded NUL. */ | |
3172f58f UD |
917 | if (nstr < nstrings |
918 | ? W (domain->must_swap, domain->orig_tab[nstr].length) >= len | |
919 | && (strcmp (msgid, | |
920 | domain->data + W (domain->must_swap, | |
921 | domain->orig_tab[nstr].offset)) | |
922 | == 0) | |
923 | : domain->orig_sysdep_tab[nstr - nstrings].length > len | |
924 | && (strcmp (msgid, | |
925 | domain->orig_sysdep_tab[nstr - nstrings].pointer) | |
926 | == 0)) | |
f8f900ec | 927 | { |
3172f58f | 928 | act = nstr; |
f8f900ec UD |
929 | goto found; |
930 | } | |
931 | ||
abbffdf9 UD |
932 | if (idx >= domain->hash_size - incr) |
933 | idx -= domain->hash_size - incr; | |
934 | else | |
935 | idx += incr; | |
abbffdf9 UD |
936 | } |
937 | /* NOTREACHED */ | |
938 | } | |
0a55a284 UD |
939 | else |
940 | { | |
941 | /* Try the default method: binary search in the sorted array of | |
942 | messages. */ | |
943 | size_t top, bottom; | |
944 | ||
945 | bottom = 0; | |
3172f58f | 946 | top = nstrings; |
0a55a284 UD |
947 | while (bottom < top) |
948 | { | |
949 | int cmp_val; | |
950 | ||
951 | act = (bottom + top) / 2; | |
952 | cmp_val = strcmp (msgid, (domain->data | |
953 | + W (domain->must_swap, | |
954 | domain->orig_tab[act].offset))); | |
955 | if (cmp_val < 0) | |
956 | top = act; | |
957 | else if (cmp_val > 0) | |
958 | bottom = act + 1; | |
959 | else | |
960 | goto found; | |
961 | } | |
962 | /* No translation was found. */ | |
963 | return NULL; | |
964 | } | |
abbffdf9 | 965 | |
0a55a284 UD |
966 | found: |
967 | /* The translation was found at index ACT. If we have to convert the | |
968 | string to use a different character set, this is the time. */ | |
3172f58f UD |
969 | if (act < nstrings) |
970 | { | |
971 | result = (char *) | |
972 | (domain->data + W (domain->must_swap, domain->trans_tab[act].offset)); | |
973 | resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1; | |
974 | } | |
975 | else | |
976 | { | |
977 | result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer; | |
978 | resultlen = domain->trans_sysdep_tab[act - nstrings].length; | |
979 | } | |
0a55a284 UD |
980 | |
981 | #if defined _LIBC || HAVE_ICONV | |
6d248857 WN |
982 | # ifdef IN_LIBGLOCALE |
983 | if (encoding != NULL) | |
984 | # else | |
4e82c610 | 985 | if (convert) |
6d248857 | 986 | # endif |
c44a663d | 987 | { |
4e82c610 | 988 | /* We are supposed to do a conversion. */ |
6d248857 | 989 | # ifndef IN_LIBGLOCALE |
4e82c610 | 990 | const char *encoding = get_output_charset (domainbinding); |
6d248857 WN |
991 | # endif |
992 | size_t nconversions; | |
993 | struct converted_domain *convd; | |
994 | size_t i; | |
4e82c610 | 995 | |
408cfca0 | 996 | /* Protect against reallocation of the table. */ |
6d248857 | 997 | gl_rwlock_rdlock (domain->conversions_lock); |
408cfca0 | 998 | |
4e82c610 UD |
999 | /* Search whether a table with converted translations for this |
1000 | encoding has already been allocated. */ | |
6d248857 WN |
1001 | nconversions = domain->nconversions; |
1002 | convd = NULL; | |
4e82c610 UD |
1003 | |
1004 | for (i = nconversions; i > 0; ) | |
1005 | { | |
1006 | i--; | |
1007 | if (strcmp (domain->conversions[i].encoding, encoding) == 0) | |
1008 | { | |
1009 | convd = &domain->conversions[i]; | |
1010 | break; | |
1011 | } | |
1012 | } | |
0ecb606c | 1013 | |
6d248857 | 1014 | gl_rwlock_unlock (domain->conversions_lock); |
408cfca0 | 1015 | |
4e82c610 UD |
1016 | if (convd == NULL) |
1017 | { | |
408cfca0 | 1018 | /* We have to allocate a new conversions table. */ |
6d248857 | 1019 | gl_rwlock_wrlock (domain->conversions_lock); |
2ecc7d93 | 1020 | nconversions = domain->nconversions; |
408cfca0 UD |
1021 | |
1022 | /* Maybe in the meantime somebody added the translation. | |
1023 | Recheck. */ | |
1024 | for (i = nconversions; i > 0; ) | |
1025 | { | |
1026 | i--; | |
1027 | if (strcmp (domain->conversions[i].encoding, encoding) == 0) | |
1028 | { | |
1029 | convd = &domain->conversions[i]; | |
1030 | goto found_convd; | |
1031 | } | |
1032 | } | |
1033 | ||
6d248857 WN |
1034 | { |
1035 | /* Allocate a table for the converted translations for this | |
1036 | encoding. */ | |
1037 | struct converted_domain *new_conversions = | |
1038 | (struct converted_domain *) | |
1039 | (domain->conversions != NULL | |
1040 | ? realloc (domain->conversions, | |
1041 | (nconversions + 1) * sizeof (struct converted_domain)) | |
1042 | : malloc ((nconversions + 1) * sizeof (struct converted_domain))); | |
1043 | ||
1044 | if (__builtin_expect (new_conversions == NULL, 0)) | |
1045 | { | |
1046 | /* Nothing we can do, no more memory. We cannot use the | |
1047 | translation because it might be encoded incorrectly. */ | |
1048 | unlock_fail: | |
1049 | gl_rwlock_unlock (domain->conversions_lock); | |
1050 | return (char *) -1; | |
1051 | } | |
4e82c610 | 1052 | |
6d248857 WN |
1053 | domain->conversions = new_conversions; |
1054 | ||
1055 | /* Copy the 'encoding' string to permanent storage. */ | |
1056 | encoding = strdup (encoding); | |
1057 | if (__builtin_expect (encoding == NULL, 0)) | |
408cfca0 UD |
1058 | /* Nothing we can do, no more memory. We cannot use the |
1059 | translation because it might be encoded incorrectly. */ | |
6d248857 | 1060 | goto unlock_fail; |
4e82c610 | 1061 | |
6d248857 WN |
1062 | convd = &new_conversions[nconversions]; |
1063 | convd->encoding = encoding; | |
4e82c610 | 1064 | |
6d248857 WN |
1065 | /* Find out about the character set the file is encoded with. |
1066 | This can be found (in textual form) in the entry "". If this | |
1067 | entry does not exist or if this does not contain the 'charset=' | |
1068 | information, we will assume the charset matches the one the | |
1069 | current locale and we don't have to perform any conversion. */ | |
0ecb606c | 1070 | # ifdef _LIBC |
6d248857 | 1071 | convd->conv = (__gconv_t) -1; |
0ecb606c JJ |
1072 | # else |
1073 | # if HAVE_ICONV | |
6d248857 | 1074 | convd->conv = (iconv_t) -1; |
0ecb606c JJ |
1075 | # endif |
1076 | # endif | |
6d248857 WN |
1077 | { |
1078 | char *nullentry; | |
1079 | size_t nullentrylen; | |
1080 | ||
1081 | /* Get the header entry. This is a recursion, but it doesn't | |
1082 | reallocate domain->conversions because we pass | |
1083 | encoding = NULL or convert = 0, respectively. */ | |
1084 | nullentry = | |
1085 | # ifdef IN_LIBGLOCALE | |
1086 | _nl_find_msg (domain_file, domainbinding, NULL, "", | |
1087 | &nullentrylen); | |
1088 | # else | |
1089 | _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen); | |
1090 | # endif | |
4e82c610 | 1091 | |
6d248857 WN |
1092 | /* Resource problems are fatal. If we continue onwards we will |
1093 | only attempt to calloc a new conv_tab and fail later. */ | |
1094 | if (__builtin_expect (nullentry == (char *) -1, 0)) | |
1095 | return (char *) -1; | |
7a44c18f | 1096 | |
6d248857 WN |
1097 | if (nullentry != NULL) |
1098 | { | |
1099 | const char *charsetstr; | |
4e82c610 | 1100 | |
6d248857 WN |
1101 | charsetstr = strstr (nullentry, "charset="); |
1102 | if (charsetstr != NULL) | |
1103 | { | |
1104 | size_t len; | |
1105 | char *charset; | |
1106 | const char *outcharset; | |
4e82c610 | 1107 | |
6d248857 WN |
1108 | charsetstr += strlen ("charset="); |
1109 | len = strcspn (charsetstr, " \t\n"); | |
4e82c610 | 1110 | |
6d248857 | 1111 | charset = (char *) alloca (len + 1); |
4e82c610 | 1112 | # if defined _LIBC || HAVE_MEMPCPY |
6d248857 | 1113 | *((char *) mempcpy (charset, charsetstr, len)) = '\0'; |
4e82c610 | 1114 | # else |
6d248857 WN |
1115 | memcpy (charset, charsetstr, len); |
1116 | charset[len] = '\0'; | |
4e82c610 UD |
1117 | # endif |
1118 | ||
6d248857 | 1119 | outcharset = encoding; |
4e82c610 UD |
1120 | |
1121 | # ifdef _LIBC | |
91927b7c AS |
1122 | |
1123 | struct gconv_spec conv_spec | |
1124 | = { .fromcode = norm_add_slashes (charset, ""), | |
1125 | .tocode = norm_add_slashes (outcharset, ""), | |
1126 | /* We always want to use transliteration. */ | |
1127 | .translit = true, | |
1128 | .ignore = false | |
1129 | }; | |
1130 | int r = __gconv_open (&conv_spec, &convd->conv, | |
1131 | GCONV_AVOID_NOCONV); | |
6d248857 WN |
1132 | if (__builtin_expect (r != __GCONV_OK, 0)) |
1133 | { | |
1134 | /* If the output encoding is the same there is | |
1135 | nothing to do. Otherwise do not use the | |
1136 | translation at all. */ | |
1137 | if (__builtin_expect (r != __GCONV_NULCONV, 1)) | |
1138 | { | |
1139 | gl_rwlock_unlock (domain->conversions_lock); | |
1140 | free ((char *) encoding); | |
1141 | return NULL; | |
1142 | } | |
1143 | ||
1144 | convd->conv = (__gconv_t) -1; | |
1145 | } | |
4e82c610 UD |
1146 | # else |
1147 | # if HAVE_ICONV | |
6d248857 WN |
1148 | /* When using GNU libc >= 2.2 or GNU libiconv >= 1.5, |
1149 | we want to use transliteration. */ | |
1150 | # if (((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2) \ | |
1151 | && !defined __UCLIBC__) \ | |
4e82c610 | 1152 | || _LIBICONV_VERSION >= 0x0105 |
6d248857 WN |
1153 | if (strchr (outcharset, '/') == NULL) |
1154 | { | |
1155 | char *tmp; | |
4e82c610 | 1156 | |
6d248857 WN |
1157 | len = strlen (outcharset); |
1158 | tmp = (char *) alloca (len + 10 + 1); | |
1159 | memcpy (tmp, outcharset, len); | |
1160 | memcpy (tmp + len, "//TRANSLIT", 10 + 1); | |
1161 | outcharset = tmp; | |
4e82c610 | 1162 | |
6d248857 | 1163 | convd->conv = iconv_open (outcharset, charset); |
4e82c610 | 1164 | |
6d248857 WN |
1165 | freea (outcharset); |
1166 | } | |
1167 | else | |
4e82c610 | 1168 | # endif |
6d248857 | 1169 | convd->conv = iconv_open (outcharset, charset); |
4e82c610 UD |
1170 | # endif |
1171 | # endif | |
1172 | ||
6d248857 WN |
1173 | freea (charset); |
1174 | } | |
1175 | } | |
1176 | } | |
1177 | convd->conv_tab = NULL; | |
1178 | /* Here domain->conversions is still == new_conversions. */ | |
1179 | domain->nconversions++; | |
4e82c610 | 1180 | } |
408cfca0 UD |
1181 | |
1182 | found_convd: | |
6d248857 | 1183 | gl_rwlock_unlock (domain->conversions_lock); |
4e82c610 UD |
1184 | } |
1185 | ||
1186 | if ( | |
1187 | # ifdef _LIBC | |
1188 | convd->conv != (__gconv_t) -1 | |
1189 | # else | |
1190 | # if HAVE_ICONV | |
1191 | convd->conv != (iconv_t) -1 | |
1192 | # endif | |
1193 | # endif | |
1194 | ) | |
0a55a284 | 1195 | { |
4e82c610 UD |
1196 | /* We are supposed to do a conversion. First allocate an |
1197 | appropriate table with the same structure as the table | |
1198 | of translations in the file, where we can put the pointers | |
1199 | to the converted strings in. | |
1200 | There is a slight complication with plural entries. They | |
1201 | are represented by consecutive NUL terminated strings. We | |
1202 | handle this case by converting RESULTLEN bytes, including | |
1203 | NULs. */ | |
1204 | ||
6d248857 WN |
1205 | /* This lock primarily protects the memory management variables |
1206 | freemem, freemem_size. It also protects write accesses to | |
1207 | convd->conv_tab. It's not worth using a separate lock (such | |
1208 | as domain->conversions_lock) for this purpose, because when | |
1209 | modifying convd->conv_tab, we also need to lock freemem, | |
1210 | freemem_size for most of the time. */ | |
1211 | __libc_lock_define_initialized (static, lock) | |
1212 | ||
1213 | if (__builtin_expect (convd->conv_tab == NULL, 0)) | |
2ecc7d93 UD |
1214 | { |
1215 | __libc_lock_lock (lock); | |
1216 | if (convd->conv_tab == NULL) | |
1217 | { | |
6d248857 WN |
1218 | convd->conv_tab = |
1219 | (char **) calloc (nstrings + domain->n_sysdep_strings, | |
1220 | sizeof (char *)); | |
2ecc7d93 UD |
1221 | if (convd->conv_tab != NULL) |
1222 | goto not_translated_yet; | |
1223 | /* Mark that we didn't succeed allocating a table. */ | |
1224 | convd->conv_tab = (char **) -1; | |
1225 | } | |
1226 | __libc_lock_unlock (lock); | |
1227 | } | |
4e82c610 | 1228 | |
6d248857 | 1229 | if (__builtin_expect (convd->conv_tab == (char **) -1, 0)) |
4259230f UD |
1230 | /* Nothing we can do, no more memory. We cannot use the |
1231 | translation because it might be encoded incorrectly. */ | |
1232 | return (char *) -1; | |
4e82c610 UD |
1233 | |
1234 | if (convd->conv_tab[act] == NULL) | |
1235 | { | |
1236 | /* We haven't used this string so far, so it is not | |
1237 | translated yet. Do this now. */ | |
1238 | /* We use a bit more efficient memory handling. | |
1239 | We allocate always larger blocks which get used over | |
1240 | time. This is faster than many small allocations. */ | |
f8f900ec | 1241 | # define INITIAL_BLOCK_SIZE 4080 |
4e82c610 UD |
1242 | static unsigned char *freemem; |
1243 | static size_t freemem_size; | |
0a55a284 | 1244 | |
4e82c610 UD |
1245 | const unsigned char *inbuf; |
1246 | unsigned char *outbuf; | |
1247 | int malloc_count; | |
f8f900ec | 1248 | # ifndef _LIBC |
6d248857 | 1249 | transmem_block_t *transmem_list; |
f8f900ec | 1250 | # endif |
0a55a284 | 1251 | |
6d248857 WN |
1252 | __libc_lock_lock (lock); |
1253 | not_translated_yet: | |
1254 | ||
4e82c610 UD |
1255 | inbuf = (const unsigned char *) result; |
1256 | outbuf = freemem + sizeof (size_t); | |
6d248857 WN |
1257 | # ifndef _LIBC |
1258 | transmem_list = NULL; | |
1259 | # endif | |
45eca4d1 | 1260 | |
4e82c610 UD |
1261 | malloc_count = 0; |
1262 | while (1) | |
1263 | { | |
1264 | transmem_block_t *newmem; | |
0a55a284 | 1265 | # ifdef _LIBC |
4e82c610 UD |
1266 | size_t non_reversible; |
1267 | int res; | |
17c389fc | 1268 | |
4e82c610 UD |
1269 | if (freemem_size < sizeof (size_t)) |
1270 | goto resize_freemem; | |
45eca4d1 | 1271 | |
4e82c610 UD |
1272 | res = __gconv (convd->conv, |
1273 | &inbuf, inbuf + resultlen, | |
1274 | &outbuf, | |
1275 | outbuf + freemem_size - sizeof (size_t), | |
1276 | &non_reversible); | |
17c389fc | 1277 | |
4e82c610 UD |
1278 | if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT) |
1279 | break; | |
17c389fc | 1280 | |
4e82c610 UD |
1281 | if (res != __GCONV_FULL_OUTPUT) |
1282 | { | |
4259230f UD |
1283 | /* We should not use the translation at all, it |
1284 | is incorrectly encoded. */ | |
4e82c610 | 1285 | __libc_lock_unlock (lock); |
4259230f | 1286 | return NULL; |
4e82c610 | 1287 | } |
17c389fc | 1288 | |
4e82c610 | 1289 | inbuf = (const unsigned char *) result; |
0a55a284 UD |
1290 | # else |
1291 | # if HAVE_ICONV | |
4e82c610 UD |
1292 | const char *inptr = (const char *) inbuf; |
1293 | size_t inleft = resultlen; | |
1294 | char *outptr = (char *) outbuf; | |
1295 | size_t outleft; | |
1296 | ||
1297 | if (freemem_size < sizeof (size_t)) | |
1298 | goto resize_freemem; | |
1299 | ||
1300 | outleft = freemem_size - sizeof (size_t); | |
1301 | if (iconv (convd->conv, | |
1302 | (ICONV_CONST char **) &inptr, &inleft, | |
1303 | &outptr, &outleft) | |
1304 | != (size_t) (-1)) | |
1305 | { | |
1306 | outbuf = (unsigned char *) outptr; | |
1307 | break; | |
1308 | } | |
1309 | if (errno != E2BIG) | |
1310 | { | |
1311 | __libc_lock_unlock (lock); | |
4259230f | 1312 | return NULL; |
4e82c610 | 1313 | } |
17c389fc UD |
1314 | # endif |
1315 | # endif | |
0a55a284 | 1316 | |
4e82c610 UD |
1317 | resize_freemem: |
1318 | /* We must allocate a new buffer or resize the old one. */ | |
1319 | if (malloc_count > 0) | |
1320 | { | |
1321 | ++malloc_count; | |
1322 | freemem_size = malloc_count * INITIAL_BLOCK_SIZE; | |
1323 | newmem = (transmem_block_t *) realloc (transmem_list, | |
1324 | freemem_size); | |
f8f900ec | 1325 | # ifdef _LIBC |
4e82c610 | 1326 | if (newmem != NULL) |
006dd861 | 1327 | transmem_list = newmem; |
4e82c610 UD |
1328 | else |
1329 | { | |
1330 | struct transmem_list *old = transmem_list; | |
1331 | ||
1332 | transmem_list = transmem_list->next; | |
1333 | free (old); | |
1334 | } | |
1335 | # endif | |
1336 | } | |
f8f900ec UD |
1337 | else |
1338 | { | |
4e82c610 UD |
1339 | malloc_count = 1; |
1340 | freemem_size = INITIAL_BLOCK_SIZE; | |
1341 | newmem = (transmem_block_t *) malloc (freemem_size); | |
006dd861 | 1342 | # ifdef _LIBC |
7a44c18f CD |
1343 | if (newmem != NULL) |
1344 | { | |
1345 | /* Add the block to the list of blocks we have to free | |
1346 | at some point. */ | |
1347 | newmem->next = transmem_list; | |
1348 | transmem_list = newmem; | |
1349 | } | |
1350 | /* Fall through and return -1. */ | |
006dd861 | 1351 | # endif |
4e82c610 | 1352 | } |
6d248857 | 1353 | if (__builtin_expect (newmem == NULL, 0)) |
4e82c610 UD |
1354 | { |
1355 | freemem = NULL; | |
1356 | freemem_size = 0; | |
1357 | __libc_lock_unlock (lock); | |
4259230f | 1358 | return (char *) -1; |
f8f900ec | 1359 | } |
0a55a284 | 1360 | |
7f455351 | 1361 | # ifdef _LIBC |
4e82c610 UD |
1362 | freemem = (unsigned char *) newmem->data; |
1363 | freemem_size -= offsetof (struct transmem_list, data); | |
f8f900ec | 1364 | # else |
4e82c610 UD |
1365 | transmem_list = newmem; |
1366 | freemem = newmem; | |
7f455351 UD |
1367 | # endif |
1368 | ||
4e82c610 UD |
1369 | outbuf = freemem + sizeof (size_t); |
1370 | } | |
1371 | ||
1372 | /* We have now in our buffer a converted string. Put this | |
1373 | into the table of conversions. */ | |
1374 | *(size_t *) freemem = outbuf - freemem - sizeof (size_t); | |
1375 | convd->conv_tab[act] = (char *) freemem; | |
1376 | /* Shrink freemem, but keep it aligned. */ | |
1377 | freemem_size -= outbuf - freemem; | |
1378 | freemem = outbuf; | |
1379 | freemem += freemem_size & (alignof (size_t) - 1); | |
1380 | freemem_size = freemem_size & ~ (alignof (size_t) - 1); | |
1381 | ||
1382 | __libc_lock_unlock (lock); | |
0a55a284 | 1383 | } |
0a55a284 | 1384 | |
4e82c610 UD |
1385 | /* Now convd->conv_tab[act] contains the translation of all |
1386 | the plural variants. */ | |
1387 | result = convd->conv_tab[act] + sizeof (size_t); | |
1388 | resultlen = *(size_t *) convd->conv_tab[act]; | |
0a55a284 | 1389 | } |
0a55a284 UD |
1390 | } |
1391 | ||
0a55a284 UD |
1392 | /* The result string is converted. */ |
1393 | ||
1394 | #endif /* _LIBC || HAVE_ICONV */ | |
1395 | ||
f8f900ec UD |
1396 | *lengthp = resultlen; |
1397 | return result; | |
1398 | } | |
1399 | ||
1400 | ||
1401 | /* Look up a plural variant. */ | |
1402 | static char * | |
6d248857 WN |
1403 | plural_lookup (struct loaded_l10nfile *domain, unsigned long int n, |
1404 | const char *translation, size_t translation_len) | |
f8f900ec UD |
1405 | { |
1406 | struct loaded_domain *domaindata = (struct loaded_domain *) domain->data; | |
1407 | unsigned long int index; | |
1408 | const char *p; | |
1409 | ||
1410 | index = plural_eval (domaindata->plural, n); | |
1411 | if (index >= domaindata->nplurals) | |
1412 | /* This should never happen. It means the plural expression and the | |
1413 | given maximum value do not match. */ | |
1414 | index = 0; | |
1415 | ||
1416 | /* Skip INDEX strings at TRANSLATION. */ | |
1417 | p = translation; | |
0a55a284 UD |
1418 | while (index-- > 0) |
1419 | { | |
1420 | #ifdef _LIBC | |
f8f900ec | 1421 | p = __rawmemchr (p, '\0'); |
0a55a284 | 1422 | #else |
f8f900ec | 1423 | p = strchr (p, '\0'); |
0a55a284 UD |
1424 | #endif |
1425 | /* And skip over the NUL byte. */ | |
f8f900ec | 1426 | p++; |
abbffdf9 | 1427 | |
f8f900ec UD |
1428 | if (p >= translation + translation_len) |
1429 | /* This should never happen. It means the plural expression | |
1430 | evaluated to a value larger than the number of variants | |
1431 | available for MSGID1. */ | |
1432 | return (char *) translation; | |
1433 | } | |
1434 | return (char *) p; | |
abbffdf9 UD |
1435 | } |
1436 | ||
2b71beea | 1437 | #ifndef _LIBC |
abbffdf9 UD |
1438 | /* Return string representation of locale CATEGORY. */ |
1439 | static const char * | |
6d248857 | 1440 | category_to_name (int category) |
abbffdf9 UD |
1441 | { |
1442 | const char *retval; | |
1443 | ||
1444 | switch (category) | |
1445 | { | |
1446 | #ifdef LC_COLLATE | |
1447 | case LC_COLLATE: | |
1448 | retval = "LC_COLLATE"; | |
1449 | break; | |
1450 | #endif | |
1451 | #ifdef LC_CTYPE | |
1452 | case LC_CTYPE: | |
1453 | retval = "LC_CTYPE"; | |
1454 | break; | |
1455 | #endif | |
1456 | #ifdef LC_MONETARY | |
1457 | case LC_MONETARY: | |
1458 | retval = "LC_MONETARY"; | |
1459 | break; | |
1460 | #endif | |
1461 | #ifdef LC_NUMERIC | |
1462 | case LC_NUMERIC: | |
1463 | retval = "LC_NUMERIC"; | |
1464 | break; | |
1465 | #endif | |
1466 | #ifdef LC_TIME | |
1467 | case LC_TIME: | |
1468 | retval = "LC_TIME"; | |
1469 | break; | |
1470 | #endif | |
1471 | #ifdef LC_MESSAGES | |
1472 | case LC_MESSAGES: | |
1473 | retval = "LC_MESSAGES"; | |
1474 | break; | |
1475 | #endif | |
1476 | #ifdef LC_RESPONSE | |
1477 | case LC_RESPONSE: | |
1478 | retval = "LC_RESPONSE"; | |
1479 | break; | |
1480 | #endif | |
1481 | #ifdef LC_ALL | |
1482 | case LC_ALL: | |
1483 | /* This might not make sense but is perhaps better than any other | |
1484 | value. */ | |
1485 | retval = "LC_ALL"; | |
1486 | break; | |
1487 | #endif | |
1488 | default: | |
1489 | /* If you have a better idea for a default value let me know. */ | |
1490 | retval = "LC_XXX"; | |
1491 | } | |
1492 | ||
1493 | return retval; | |
1494 | } | |
2b71beea | 1495 | #endif |
abbffdf9 | 1496 | |
6d248857 WN |
1497 | /* Guess value of current locale from value of the environment variables |
1498 | or system-dependent defaults. */ | |
abbffdf9 | 1499 | static const char * |
6d248857 WN |
1500 | #ifdef IN_LIBGLOCALE |
1501 | guess_category_value (int category, const char *categoryname, | |
1502 | const char *locale) | |
1503 | ||
1504 | #else | |
1505 | guess_category_value (int category, const char *categoryname) | |
1506 | #endif | |
abbffdf9 | 1507 | { |
3859d27d | 1508 | const char *language; |
6d248857 WN |
1509 | #ifndef IN_LIBGLOCALE |
1510 | const char *locale; | |
1511 | # ifndef _LIBC | |
1512 | const char *language_default; | |
1513 | int locale_defaulted; | |
1514 | # endif | |
1515 | #endif | |
3859d27d | 1516 | |
6d248857 WN |
1517 | /* We use the settings in the following order: |
1518 | 1. The value of the environment variable 'LANGUAGE'. This is a GNU | |
1519 | extension. Its value can be a colon-separated list of locale names. | |
1520 | 2. The value of the environment variable 'LC_ALL', 'LC_xxx', or 'LANG'. | |
1521 | More precisely, the first among these that is set to a non-empty value. | |
1522 | This is how POSIX specifies it. The value is a single locale name. | |
1523 | 3. A system-dependent preference list of languages. Its value can be a | |
1524 | colon-separated list of locale names. | |
1525 | 4. A system-dependent default locale name. | |
1526 | This way: | |
1527 | - System-dependent settings can be overridden by environment variables. | |
1528 | - If the system provides both a list of languages and a default locale, | |
1529 | the former is used. */ | |
1530 | ||
1531 | #ifndef IN_LIBGLOCALE | |
1532 | /* Fetch the locale name, through the POSIX method of looking to `LC_ALL', | |
3859d27d UD |
1533 | `LC_xxx', and `LANG'. On some systems this can be done by the |
1534 | `setlocale' function itself. */ | |
6d248857 WN |
1535 | # ifdef _LIBC |
1536 | locale = __current_locale_name (category); | |
1537 | # else | |
1538 | locale_defaulted = 0; | |
1539 | # if HAVE_USELOCALE | |
1540 | locale = _nl_locale_name_thread_unsafe (category, categoryname); | |
1541 | if (locale == NULL) | |
1542 | # endif | |
1543 | { | |
1544 | locale = _nl_locale_name_posix (category, categoryname); | |
1545 | if (locale == NULL) | |
1546 | { | |
1547 | locale = _nl_locale_name_default (); | |
1548 | locale_defaulted = 1; | |
1549 | } | |
1550 | } | |
1551 | # endif | |
abbffdf9 | 1552 | #endif |
3859d27d | 1553 | |
6d248857 WN |
1554 | /* Ignore LANGUAGE and its system-dependent analogon if the locale is set |
1555 | to "C" because | |
1556 | 1. "C" locale usually uses the ASCII encoding, and most international | |
1557 | messages use non-ASCII characters. These characters get displayed | |
1558 | as question marks (if using glibc's iconv()) or as invalid 8-bit | |
1559 | characters (because other iconv()s refuse to convert most non-ASCII | |
1560 | characters to ASCII). In any case, the output is ugly. | |
1561 | 2. The precise output of some programs in the "C" locale is specified | |
1562 | by POSIX and should not depend on environment variables like | |
1563 | "LANGUAGE" or system-dependent information. We allow such programs | |
1564 | to use gettext(). */ | |
1565 | if (strcmp (locale, "C") == 0) | |
1566 | return locale; | |
1567 | ||
1568 | /* The highest priority value is the value of the 'LANGUAGE' environment | |
1569 | variable. */ | |
1570 | language = getenv ("LANGUAGE"); | |
1571 | if (language != NULL && language[0] != '\0') | |
1572 | return language; | |
1573 | #if !defined IN_LIBGLOCALE && !defined _LIBC | |
1574 | /* The next priority value is the locale name, if not defaulted. */ | |
1575 | if (locale_defaulted) | |
1576 | { | |
1577 | /* The next priority value is the default language preferences list. */ | |
1578 | language_default = _nl_language_preferences_default (); | |
1579 | if (language_default != NULL) | |
1580 | return language_default; | |
1581 | } | |
1582 | /* The least priority value is the locale name, if defaulted. */ | |
1583 | #endif | |
1584 | return locale; | |
abbffdf9 UD |
1585 | } |
1586 | ||
6d248857 | 1587 | #if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE |
4e82c610 UD |
1588 | /* Returns the output charset. */ |
1589 | static const char * | |
6d248857 | 1590 | get_output_charset (struct binding *domainbinding) |
4e82c610 UD |
1591 | { |
1592 | /* The output charset should normally be determined by the locale. But | |
1593 | sometimes the locale is not used or not correctly set up, so we provide | |
1594 | a possibility for the user to override this: the OUTPUT_CHARSET | |
1595 | environment variable. Moreover, the value specified through | |
1596 | bind_textdomain_codeset overrides both. */ | |
1597 | if (domainbinding != NULL && domainbinding->codeset != NULL) | |
1598 | return domainbinding->codeset; | |
1599 | else | |
1600 | { | |
1601 | /* For speed reasons, we look at the value of OUTPUT_CHARSET only | |
1602 | once. This is a user variable that is not supposed to change | |
1603 | during a program run. */ | |
1604 | static char *output_charset_cache; | |
1605 | static int output_charset_cached; | |
1606 | ||
1607 | if (!output_charset_cached) | |
1608 | { | |
1609 | const char *value = getenv ("OUTPUT_CHARSET"); | |
1610 | ||
1611 | if (value != NULL && value[0] != '\0') | |
1612 | { | |
1613 | size_t len = strlen (value) + 1; | |
1614 | char *value_copy = (char *) malloc (len); | |
1615 | ||
1616 | if (value_copy != NULL) | |
1617 | memcpy (value_copy, value, len); | |
1618 | output_charset_cache = value_copy; | |
1619 | } | |
1620 | output_charset_cached = 1; | |
1621 | } | |
1622 | ||
1623 | if (output_charset_cache != NULL) | |
1624 | return output_charset_cache; | |
1625 | else | |
1626 | { | |
1627 | # ifdef _LIBC | |
1628 | return _NL_CURRENT (LC_CTYPE, CODESET); | |
1629 | # else | |
1630 | # if HAVE_ICONV | |
4e82c610 UD |
1631 | return locale_charset (); |
1632 | # endif | |
1633 | # endif | |
1634 | } | |
1635 | } | |
1636 | } | |
1637 | #endif | |
1638 | ||
abbffdf9 UD |
1639 | /* @@ begin of epilog @@ */ |
1640 | ||
1641 | /* We don't want libintl.a to depend on any other library. So we | |
1642 | avoid the non-standard function stpcpy. In GNU C Library this | |
1643 | function is available, though. Also allow the symbol HAVE_STPCPY | |
1644 | to be defined. */ | |
1645 | #if !_LIBC && !HAVE_STPCPY | |
1646 | static char * | |
6d248857 | 1647 | stpcpy (char *dest, const char *src) |
abbffdf9 UD |
1648 | { |
1649 | while ((*dest++ = *src++) != '\0') | |
1650 | /* Do nothing. */ ; | |
1651 | return dest - 1; | |
1652 | } | |
1653 | #endif | |
1654 | ||
1655 | #if !_LIBC && !HAVE_MEMPCPY | |
1656 | static void * | |
6d248857 | 1657 | mempcpy (void *dest, const void *src, size_t n) |
abbffdf9 | 1658 | { |
b98f4e05 | 1659 | return (void *) ((char *) memcpy (dest, src, n) + n); |
abbffdf9 UD |
1660 | } |
1661 | #endif | |
1662 | ||
6d248857 WN |
1663 | #if !_LIBC && !HAVE_TSEARCH |
1664 | # include "tsearch.c" | |
1665 | #endif | |
1666 | ||
abbffdf9 UD |
1667 | |
1668 | #ifdef _LIBC | |
1669 | /* If we want to free all resources we have to do some work at | |
1670 | program's end. */ | |
c877418f | 1671 | libc_freeres_fn (free_mem) |
abbffdf9 | 1672 | { |
7f455351 | 1673 | void *old; |
abbffdf9 | 1674 | |
55e2d5c7 | 1675 | while (_nl_domain_bindings != NULL) |
17c389fc | 1676 | { |
55e2d5c7 UD |
1677 | struct binding *oldp = _nl_domain_bindings; |
1678 | _nl_domain_bindings = _nl_domain_bindings->next; | |
9cfe5381 | 1679 | if (oldp->dirname != _nl_default_dirname) |
17c389fc | 1680 | /* Yes, this is a pointer comparison. */ |
55e2d5c7 UD |
1681 | free (oldp->dirname); |
1682 | free (oldp->codeset); | |
1683 | free (oldp); | |
17c389fc | 1684 | } |
abbffdf9 UD |
1685 | |
1686 | if (_nl_current_default_domain != _nl_default_default_domain) | |
1687 | /* Yes, again a pointer comparison. */ | |
1688 | free ((char *) _nl_current_default_domain); | |
1689 | ||
17c389fc | 1690 | /* Remove the search tree with the known translations. */ |
abbffdf9 | 1691 | __tdestroy (root, free); |
55e2d5c7 | 1692 | root = NULL; |
7f455351 UD |
1693 | |
1694 | while (transmem_list != NULL) | |
1695 | { | |
1696 | old = transmem_list; | |
1697 | transmem_list = transmem_list->next; | |
1698 | free (old); | |
1699 | } | |
abbffdf9 | 1700 | } |
abbffdf9 | 1701 | #endif |