Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1 | /* Implementation of the internal dcigettext function. |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 2 | Copyright (C) 1995-1999, 2000-2003 Free Software Foundation, Inc. |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 3 | |
| 4 | This program is free software; you can redistribute it and/or modify it |
| 5 | under the terms of the GNU Library General Public License as published |
| 6 | by the Free Software Foundation; either version 2, or (at your option) |
| 7 | any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Library General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Library General Public |
| 15 | License along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 17 | USA. */ |
| 18 | |
| 19 | /* Tell glibc's <string.h> to provide a prototype for mempcpy(). |
| 20 | This must come before <config.h> because <config.h> may include |
| 21 | <features.h>, and once <features.h> has been included, it's too late. */ |
| 22 | #ifndef _GNU_SOURCE |
| 23 | # define _GNU_SOURCE 1 |
| 24 | #endif |
| 25 | |
| 26 | #ifdef HAVE_CONFIG_H |
| 27 | # include <config.h> |
| 28 | #endif |
| 29 | |
| 30 | #include <sys/types.h> |
| 31 | |
| 32 | #ifdef __GNUC__ |
| 33 | # define alloca __builtin_alloca |
| 34 | # define HAVE_ALLOCA 1 |
| 35 | #else |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 36 | # ifdef _MSC_VER |
| 37 | # include <malloc.h> |
| 38 | # define alloca _alloca |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 39 | # else |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 40 | # if defined HAVE_ALLOCA_H || defined _LIBC |
| 41 | # include <alloca.h> |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 42 | # else |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 43 | # ifdef _AIX |
| 44 | #pragma alloca |
| 45 | # else |
| 46 | # ifndef alloca |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 47 | char *alloca (); |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 48 | # endif |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 49 | # endif |
| 50 | # endif |
| 51 | # endif |
| 52 | #endif |
| 53 | |
| 54 | #include <errno.h> |
| 55 | #ifndef errno |
| 56 | extern int errno; |
| 57 | #endif |
| 58 | #ifndef __set_errno |
| 59 | # define __set_errno(val) errno = (val) |
| 60 | #endif |
| 61 | |
| 62 | #include <stddef.h> |
| 63 | #include <stdlib.h> |
| 64 | #include <string.h> |
| 65 | |
| 66 | #if defined HAVE_UNISTD_H || defined _LIBC |
| 67 | # include <unistd.h> |
| 68 | #endif |
| 69 | |
| 70 | #include <locale.h> |
| 71 | |
| 72 | #ifdef _LIBC |
| 73 | /* Guess whether integer division by zero raises signal SIGFPE. |
| 74 | Set to 1 only if you know for sure. In case of doubt, set to 0. */ |
| 75 | # if defined __alpha__ || defined __arm__ || defined __i386__ \ |
| 76 | || defined __m68k__ || defined __s390__ |
| 77 | # define INTDIV0_RAISES_SIGFPE 1 |
| 78 | # else |
| 79 | # define INTDIV0_RAISES_SIGFPE 0 |
| 80 | # endif |
| 81 | #endif |
| 82 | #if !INTDIV0_RAISES_SIGFPE |
| 83 | # include <signal.h> |
| 84 | #endif |
| 85 | |
| 86 | #if defined HAVE_SYS_PARAM_H || defined _LIBC |
| 87 | # include <sys/param.h> |
| 88 | #endif |
| 89 | |
| 90 | #include "gettextP.h" |
| 91 | #include "plural-exp.h" |
| 92 | #ifdef _LIBC |
| 93 | # include <libintl.h> |
| 94 | #else |
| 95 | # include "libgnuintl.h" |
| 96 | #endif |
| 97 | #include "hash-string.h" |
| 98 | |
| 99 | /* Thread safetyness. */ |
| 100 | #ifdef _LIBC |
| 101 | # include <bits/libc-lock.h> |
| 102 | #else |
| 103 | /* Provide dummy implementation if this is outside glibc. */ |
| 104 | # define __libc_lock_define_initialized(CLASS, NAME) |
| 105 | # define __libc_lock_lock(NAME) |
| 106 | # define __libc_lock_unlock(NAME) |
| 107 | # define __libc_rwlock_define_initialized(CLASS, NAME) |
| 108 | # define __libc_rwlock_rdlock(NAME) |
| 109 | # define __libc_rwlock_unlock(NAME) |
| 110 | #endif |
| 111 | |
| 112 | /* Alignment of types. */ |
| 113 | #if defined __GNUC__ && __GNUC__ >= 2 |
| 114 | # define alignof(TYPE) __alignof__ (TYPE) |
| 115 | #else |
| 116 | # define alignof(TYPE) \ |
| 117 | ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2) |
| 118 | #endif |
| 119 | |
| 120 | /* The internal variables in the standalone libintl.a must have different |
| 121 | names than the internal variables in GNU libc, otherwise programs |
| 122 | using libintl.a cannot be linked statically. */ |
| 123 | #if !defined _LIBC |
| 124 | # define _nl_default_default_domain libintl_nl_default_default_domain |
| 125 | # define _nl_current_default_domain libintl_nl_current_default_domain |
| 126 | # define _nl_default_dirname libintl_nl_default_dirname |
| 127 | # define _nl_domain_bindings libintl_nl_domain_bindings |
| 128 | #endif |
| 129 | |
| 130 | /* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */ |
| 131 | #ifndef offsetof |
| 132 | # define offsetof(type,ident) ((size_t)&(((type*)0)->ident)) |
| 133 | #endif |
| 134 | |
| 135 | /* @@ end of prolog @@ */ |
| 136 | |
| 137 | #ifdef _LIBC |
| 138 | /* Rename the non ANSI C functions. This is required by the standard |
| 139 | because some ANSI C functions will require linking with this object |
| 140 | file and the name space must not be polluted. */ |
| 141 | # define getcwd __getcwd |
| 142 | # ifndef stpcpy |
| 143 | # define stpcpy __stpcpy |
| 144 | # endif |
| 145 | # define tfind __tfind |
| 146 | #else |
| 147 | # if !defined HAVE_GETCWD |
| 148 | char *getwd (); |
| 149 | # define getcwd(buf, max) getwd (buf) |
| 150 | # else |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 151 | # if VMS |
| 152 | # define getcwd(buf, max) (getcwd) (buf, max, 0) |
| 153 | # else |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 154 | char *getcwd (); |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 155 | # endif |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 156 | # endif |
| 157 | # ifndef HAVE_STPCPY |
Theodore Ts'o | 0eeec8a | 2008-09-12 09:10:39 -0400 | [diff] [blame] | 158 | #define stpcpy(dest, src) my_stpcpy(dest, src) |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 159 | static char *stpcpy (char *dest, const char *src); |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 160 | # endif |
| 161 | # ifndef HAVE_MEMPCPY |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 162 | static void *mempcpy (void *dest, const void *src, size_t n); |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 163 | # endif |
| 164 | #endif |
| 165 | |
| 166 | /* Amount to increase buffer size by in each try. */ |
| 167 | #define PATH_INCR 32 |
| 168 | |
| 169 | /* The following is from pathmax.h. */ |
| 170 | /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define |
| 171 | PATH_MAX but might cause redefinition warnings when sys/param.h is |
| 172 | later included (as on MORE/BSD 4.3). */ |
| 173 | #if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__) |
| 174 | # include <limits.h> |
| 175 | #endif |
| 176 | |
| 177 | #ifndef _POSIX_PATH_MAX |
| 178 | # define _POSIX_PATH_MAX 255 |
| 179 | #endif |
| 180 | |
| 181 | #if !defined PATH_MAX && defined _PC_PATH_MAX |
| 182 | # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX)) |
| 183 | #endif |
| 184 | |
| 185 | /* Don't include sys/param.h if it already has been. */ |
| 186 | #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN |
| 187 | # include <sys/param.h> |
| 188 | #endif |
| 189 | |
| 190 | #if !defined PATH_MAX && defined MAXPATHLEN |
| 191 | # define PATH_MAX MAXPATHLEN |
| 192 | #endif |
| 193 | |
| 194 | #ifndef PATH_MAX |
| 195 | # define PATH_MAX _POSIX_PATH_MAX |
| 196 | #endif |
| 197 | |
| 198 | /* Pathname support. |
| 199 | ISSLASH(C) tests whether C is a directory separator character. |
| 200 | IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, |
| 201 | it may be concatenated to a directory pathname. |
| 202 | IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. |
| 203 | */ |
| 204 | #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__ |
| 205 | /* Win32, OS/2, DOS */ |
| 206 | # define ISSLASH(C) ((C) == '/' || (C) == '\\') |
| 207 | # define HAS_DEVICE(P) \ |
| 208 | ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ |
| 209 | && (P)[1] == ':') |
| 210 | # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) |
| 211 | # define IS_PATH_WITH_DIR(P) \ |
| 212 | (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) |
| 213 | #else |
| 214 | /* Unix */ |
| 215 | # define ISSLASH(C) ((C) == '/') |
| 216 | # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) |
| 217 | # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) |
| 218 | #endif |
| 219 | |
| 220 | /* This is the type used for the search tree where known translations |
| 221 | are stored. */ |
| 222 | struct known_translation_t |
| 223 | { |
| 224 | /* Domain in which to search. */ |
| 225 | char *domainname; |
| 226 | |
| 227 | /* The category. */ |
| 228 | int category; |
| 229 | |
| 230 | /* State of the catalog counter at the point the string was found. */ |
| 231 | int counter; |
| 232 | |
| 233 | /* Catalog where the string was found. */ |
| 234 | struct loaded_l10nfile *domain; |
| 235 | |
| 236 | /* And finally the translation. */ |
| 237 | const char *translation; |
| 238 | size_t translation_length; |
| 239 | |
| 240 | /* Pointer to the string in question. */ |
| 241 | char msgid[ZERO]; |
| 242 | }; |
| 243 | |
| 244 | /* Root of the search tree with known translations. We can use this |
| 245 | only if the system provides the `tsearch' function family. */ |
| 246 | #if defined HAVE_TSEARCH || defined _LIBC |
| 247 | # include <search.h> |
| 248 | |
| 249 | static void *root; |
| 250 | |
| 251 | # ifdef _LIBC |
| 252 | # define tsearch __tsearch |
| 253 | # endif |
| 254 | |
| 255 | /* Function to compare two entries in the table of known translations. */ |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 256 | static int |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 257 | transcmp (const void *p1, const void *p2) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 258 | { |
| 259 | const struct known_translation_t *s1; |
| 260 | const struct known_translation_t *s2; |
| 261 | int result; |
| 262 | |
| 263 | s1 = (const struct known_translation_t *) p1; |
| 264 | s2 = (const struct known_translation_t *) p2; |
| 265 | |
| 266 | result = strcmp (s1->msgid, s2->msgid); |
| 267 | if (result == 0) |
| 268 | { |
| 269 | result = strcmp (s1->domainname, s2->domainname); |
| 270 | if (result == 0) |
| 271 | /* We compare the category last (though this is the cheapest |
| 272 | operation) since it is hopefully always the same (namely |
| 273 | LC_MESSAGES). */ |
| 274 | result = s1->category - s2->category; |
| 275 | } |
| 276 | |
| 277 | return result; |
| 278 | } |
| 279 | #endif |
| 280 | |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 281 | #ifndef INTVARDEF |
| 282 | # define INTVARDEF(name) |
| 283 | #endif |
| 284 | #ifndef INTUSE |
| 285 | # define INTUSE(name) name |
| 286 | #endif |
| 287 | |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 288 | /* Name of the default domain used for gettext(3) prior any call to |
| 289 | textdomain(3). The default value for this is "messages". */ |
| 290 | const char _nl_default_default_domain[] attribute_hidden = "messages"; |
| 291 | |
| 292 | /* Value used as the default domain for gettext(3). */ |
| 293 | const char *_nl_current_default_domain attribute_hidden |
| 294 | = _nl_default_default_domain; |
| 295 | |
| 296 | /* Contains the default location of the message catalogs. */ |
| 297 | #if defined __EMX__ |
| 298 | extern const char _nl_default_dirname[]; |
| 299 | #else |
| 300 | const char _nl_default_dirname[] = LOCALEDIR; |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 301 | INTVARDEF (_nl_default_dirname) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 302 | #endif |
| 303 | |
| 304 | /* List with bindings of specific domains created by bindtextdomain() |
| 305 | calls. */ |
| 306 | struct binding *_nl_domain_bindings; |
| 307 | |
| 308 | /* Prototypes for local functions. */ |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 309 | static char *plural_lookup (struct loaded_l10nfile *domain, |
| 310 | unsigned long int n, |
| 311 | const char *translation, size_t translation_len) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 312 | internal_function; |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 313 | static const char *guess_category_value (int category, |
| 314 | const char *categoryname) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 315 | internal_function; |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 316 | #ifdef _LIBC |
| 317 | # include "../locale/localeinfo.h" |
| 318 | # define category_to_name(category) _nl_category_names[category] |
| 319 | #else |
| 320 | static const char *category_to_name (int category) internal_function; |
| 321 | #endif |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 322 | |
| 323 | |
| 324 | /* For those loosing systems which don't have `alloca' we have to add |
| 325 | some additional code emulating it. */ |
| 326 | #ifdef HAVE_ALLOCA |
| 327 | /* Nothing has to be done. */ |
| 328 | # define freea(p) /* nothing */ |
| 329 | # define ADD_BLOCK(list, address) /* nothing */ |
| 330 | # define FREE_BLOCKS(list) /* nothing */ |
| 331 | #else |
| 332 | struct block_list |
| 333 | { |
| 334 | void *address; |
| 335 | struct block_list *next; |
| 336 | }; |
| 337 | # define ADD_BLOCK(list, addr) \ |
| 338 | do { \ |
| 339 | struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ |
| 340 | /* If we cannot get a free block we cannot add the new element to \ |
| 341 | the list. */ \ |
| 342 | if (newp != NULL) { \ |
| 343 | newp->address = (addr); \ |
| 344 | newp->next = (list); \ |
| 345 | (list) = newp; \ |
| 346 | } \ |
| 347 | } while (0) |
| 348 | # define FREE_BLOCKS(list) \ |
| 349 | do { \ |
| 350 | while (list != NULL) { \ |
| 351 | struct block_list *old = list; \ |
| 352 | list = list->next; \ |
| 353 | free (old->address); \ |
| 354 | free (old); \ |
| 355 | } \ |
| 356 | } while (0) |
| 357 | # undef alloca |
| 358 | # define alloca(size) (malloc (size)) |
| 359 | # define freea(p) free (p) |
| 360 | #endif /* have alloca */ |
| 361 | |
| 362 | |
| 363 | #ifdef _LIBC |
| 364 | /* List of blocks allocated for translations. */ |
| 365 | typedef struct transmem_list |
| 366 | { |
| 367 | struct transmem_list *next; |
| 368 | char data[ZERO]; |
| 369 | } transmem_block_t; |
| 370 | static struct transmem_list *transmem_list; |
| 371 | #else |
| 372 | typedef unsigned char transmem_block_t; |
| 373 | #endif |
| 374 | |
| 375 | |
| 376 | /* Names for the libintl functions are a problem. They must not clash |
| 377 | with existing names and they should follow ANSI C. But this source |
| 378 | code is also used in GNU C Library where the names have a __ |
| 379 | prefix. So we have to make a difference here. */ |
| 380 | #ifdef _LIBC |
| 381 | # define DCIGETTEXT __dcigettext |
| 382 | #else |
| 383 | # define DCIGETTEXT libintl_dcigettext |
| 384 | #endif |
| 385 | |
| 386 | /* Lock variable to protect the global data in the gettext implementation. */ |
| 387 | #ifdef _LIBC |
| 388 | __libc_rwlock_define_initialized (, _nl_state_lock attribute_hidden) |
| 389 | #endif |
| 390 | |
| 391 | /* Checking whether the binaries runs SUID must be done and glibc provides |
| 392 | easier methods therefore we make a difference here. */ |
| 393 | #ifdef _LIBC |
| 394 | # define ENABLE_SECURE __libc_enable_secure |
| 395 | # define DETERMINE_SECURE |
| 396 | #else |
| 397 | # ifndef HAVE_GETUID |
| 398 | # define getuid() 0 |
| 399 | # endif |
| 400 | # ifndef HAVE_GETGID |
| 401 | # define getgid() 0 |
| 402 | # endif |
| 403 | # ifndef HAVE_GETEUID |
| 404 | # define geteuid() getuid() |
| 405 | # endif |
| 406 | # ifndef HAVE_GETEGID |
| 407 | # define getegid() getgid() |
| 408 | # endif |
| 409 | static int enable_secure; |
| 410 | # define ENABLE_SECURE (enable_secure == 1) |
| 411 | # define DETERMINE_SECURE \ |
| 412 | if (enable_secure == 0) \ |
| 413 | { \ |
| 414 | if (getuid () != geteuid () || getgid () != getegid ()) \ |
| 415 | enable_secure = 1; \ |
| 416 | else \ |
| 417 | enable_secure = -1; \ |
| 418 | } |
| 419 | #endif |
| 420 | |
| 421 | /* Get the function to evaluate the plural expression. */ |
| 422 | #include "eval-plural.h" |
| 423 | |
| 424 | /* Look up MSGID in the DOMAINNAME message catalog for the current |
| 425 | CATEGORY locale and, if PLURAL is nonzero, search over string |
| 426 | depending on the plural form determined by N. */ |
| 427 | char * |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 428 | DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2, |
| 429 | int plural, unsigned long int n, int category) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 430 | { |
| 431 | #ifndef HAVE_ALLOCA |
| 432 | struct block_list *block_list = NULL; |
| 433 | #endif |
| 434 | struct loaded_l10nfile *domain; |
| 435 | struct binding *binding; |
| 436 | const char *categoryname; |
| 437 | const char *categoryvalue; |
| 438 | char *dirname, *xdomainname; |
| 439 | char *single_locale; |
| 440 | char *retval; |
| 441 | size_t retlen; |
| 442 | int saved_errno; |
| 443 | #if defined HAVE_TSEARCH || defined _LIBC |
| 444 | struct known_translation_t *search; |
| 445 | struct known_translation_t **foundp = NULL; |
| 446 | size_t msgid_len; |
| 447 | #endif |
| 448 | size_t domainname_len; |
| 449 | |
| 450 | /* If no real MSGID is given return NULL. */ |
| 451 | if (msgid1 == NULL) |
| 452 | return NULL; |
| 453 | |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 454 | #ifdef _LIBC |
| 455 | if (category < 0 || category >= __LC_LAST || category == LC_ALL) |
| 456 | /* Bogus. */ |
| 457 | return (plural == 0 |
| 458 | ? (char *) msgid1 |
| 459 | /* Use the Germanic plural rule. */ |
| 460 | : n == 1 ? (char *) msgid1 : (char *) msgid2); |
| 461 | #endif |
| 462 | |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 463 | __libc_rwlock_rdlock (_nl_state_lock); |
| 464 | |
| 465 | /* If DOMAINNAME is NULL, we are interested in the default domain. If |
| 466 | CATEGORY is not LC_MESSAGES this might not make much sense but the |
| 467 | definition left this undefined. */ |
| 468 | if (domainname == NULL) |
| 469 | domainname = _nl_current_default_domain; |
| 470 | |
| 471 | /* OS/2 specific: backward compatibility with older libintl versions */ |
| 472 | #ifdef LC_MESSAGES_COMPAT |
| 473 | if (category == LC_MESSAGES_COMPAT) |
| 474 | category = LC_MESSAGES; |
| 475 | #endif |
| 476 | |
| 477 | #if defined HAVE_TSEARCH || defined _LIBC |
| 478 | msgid_len = strlen (msgid1) + 1; |
| 479 | |
| 480 | /* Try to find the translation among those which we found at |
| 481 | some time. */ |
| 482 | search = (struct known_translation_t *) |
| 483 | alloca (offsetof (struct known_translation_t, msgid) + msgid_len); |
| 484 | memcpy (search->msgid, msgid1, msgid_len); |
| 485 | search->domainname = (char *) domainname; |
| 486 | search->category = category; |
| 487 | |
| 488 | foundp = (struct known_translation_t **) tfind (search, &root, transcmp); |
| 489 | freea (search); |
| 490 | if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr) |
| 491 | { |
| 492 | /* Now deal with plural. */ |
| 493 | if (plural) |
| 494 | retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation, |
| 495 | (*foundp)->translation_length); |
| 496 | else |
| 497 | retval = (char *) (*foundp)->translation; |
| 498 | |
| 499 | __libc_rwlock_unlock (_nl_state_lock); |
| 500 | return retval; |
| 501 | } |
| 502 | #endif |
| 503 | |
| 504 | /* Preserve the `errno' value. */ |
| 505 | saved_errno = errno; |
| 506 | |
| 507 | /* See whether this is a SUID binary or not. */ |
| 508 | DETERMINE_SECURE; |
| 509 | |
| 510 | /* First find matching binding. */ |
| 511 | for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) |
| 512 | { |
| 513 | int compare = strcmp (domainname, binding->domainname); |
| 514 | if (compare == 0) |
| 515 | /* We found it! */ |
| 516 | break; |
| 517 | if (compare < 0) |
| 518 | { |
| 519 | /* It is not in the list. */ |
| 520 | binding = NULL; |
| 521 | break; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | if (binding == NULL) |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 526 | dirname = (char *) INTUSE(_nl_default_dirname); |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 527 | else if (IS_ABSOLUTE_PATH (binding->dirname)) |
| 528 | dirname = binding->dirname; |
| 529 | else |
| 530 | { |
| 531 | /* We have a relative path. Make it absolute now. */ |
| 532 | size_t dirname_len = strlen (binding->dirname) + 1; |
| 533 | size_t path_max; |
| 534 | char *ret; |
| 535 | |
| 536 | path_max = (unsigned int) PATH_MAX; |
| 537 | path_max += 2; /* The getcwd docs say to do this. */ |
| 538 | |
| 539 | for (;;) |
| 540 | { |
| 541 | dirname = (char *) alloca (path_max + dirname_len); |
| 542 | ADD_BLOCK (block_list, dirname); |
| 543 | |
| 544 | __set_errno (0); |
| 545 | ret = getcwd (dirname, path_max); |
| 546 | if (ret != NULL || errno != ERANGE) |
| 547 | break; |
| 548 | |
| 549 | path_max += path_max / 2; |
| 550 | path_max += PATH_INCR; |
| 551 | } |
| 552 | |
| 553 | if (ret == NULL) |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 554 | /* We cannot get the current working directory. Don't signal an |
| 555 | error but simply return the default string. */ |
| 556 | goto return_untranslated; |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 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. */ |
| 604 | if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale)) |
| 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) |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 613 | break; |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 614 | |
| 615 | /* Find structure describing the message catalog matching the |
| 616 | DOMAINNAME and CATEGORY. */ |
| 617 | domain = _nl_find_domain (dirname, single_locale, xdomainname, binding); |
| 618 | |
| 619 | if (domain != NULL) |
| 620 | { |
| 621 | retval = _nl_find_msg (domain, binding, msgid1, &retlen); |
| 622 | |
| 623 | if (retval == NULL) |
| 624 | { |
| 625 | int cnt; |
| 626 | |
| 627 | for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) |
| 628 | { |
| 629 | retval = _nl_find_msg (domain->successor[cnt], binding, |
| 630 | msgid1, &retlen); |
| 631 | |
| 632 | if (retval != NULL) |
| 633 | { |
| 634 | domain = domain->successor[cnt]; |
| 635 | break; |
| 636 | } |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | if (retval != NULL) |
| 641 | { |
| 642 | /* Found the translation of MSGID1 in domain DOMAIN: |
| 643 | starting at RETVAL, RETLEN bytes. */ |
| 644 | FREE_BLOCKS (block_list); |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 645 | #if defined HAVE_TSEARCH || defined _LIBC |
| 646 | if (foundp == NULL) |
| 647 | { |
| 648 | /* Create a new entry and add it to the search tree. */ |
| 649 | struct known_translation_t *newp; |
| 650 | |
| 651 | newp = (struct known_translation_t *) |
| 652 | malloc (offsetof (struct known_translation_t, msgid) |
| 653 | + msgid_len + domainname_len + 1); |
| 654 | if (newp != NULL) |
| 655 | { |
| 656 | newp->domainname = |
| 657 | mempcpy (newp->msgid, msgid1, msgid_len); |
| 658 | memcpy (newp->domainname, domainname, domainname_len + 1); |
| 659 | newp->category = category; |
| 660 | newp->counter = _nl_msg_cat_cntr; |
| 661 | newp->domain = domain; |
| 662 | newp->translation = retval; |
| 663 | newp->translation_length = retlen; |
| 664 | |
| 665 | /* Insert the entry in the search tree. */ |
| 666 | foundp = (struct known_translation_t **) |
| 667 | tsearch (newp, &root, transcmp); |
| 668 | if (foundp == NULL |
| 669 | || __builtin_expect (*foundp != newp, 0)) |
| 670 | /* The insert failed. */ |
| 671 | free (newp); |
| 672 | } |
| 673 | } |
| 674 | else |
| 675 | { |
| 676 | /* We can update the existing entry. */ |
| 677 | (*foundp)->counter = _nl_msg_cat_cntr; |
| 678 | (*foundp)->domain = domain; |
| 679 | (*foundp)->translation = retval; |
| 680 | (*foundp)->translation_length = retlen; |
| 681 | } |
| 682 | #endif |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 683 | __set_errno (saved_errno); |
| 684 | |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 685 | /* Now deal with plural. */ |
| 686 | if (plural) |
| 687 | retval = plural_lookup (domain, n, retval, retlen); |
| 688 | |
| 689 | __libc_rwlock_unlock (_nl_state_lock); |
| 690 | return retval; |
| 691 | } |
| 692 | } |
| 693 | } |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 694 | |
| 695 | return_untranslated: |
| 696 | /* Return the untranslated MSGID. */ |
| 697 | FREE_BLOCKS (block_list); |
| 698 | __libc_rwlock_unlock (_nl_state_lock); |
| 699 | #if 0 /* Doesn't work with diet libc -- TYT */ |
| 700 | #ifndef _LIBC |
| 701 | if (!ENABLE_SECURE) |
| 702 | { |
| 703 | extern void _nl_log_untranslated (const char *logfilename, |
| 704 | const char *domainname, |
| 705 | const char *msgid1, const char *msgid2, |
| 706 | int plural); |
| 707 | const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED"); |
| 708 | |
| 709 | if (logfilename != NULL && logfilename[0] != '\0') |
| 710 | _nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural); |
| 711 | } |
| 712 | #endif |
| 713 | #endif |
| 714 | __set_errno (saved_errno); |
| 715 | return (plural == 0 |
| 716 | ? (char *) msgid1 |
| 717 | /* Use the Germanic plural rule. */ |
| 718 | : n == 1 ? (char *) msgid1 : (char *) msgid2); |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 719 | } |
| 720 | |
| 721 | |
| 722 | char * |
| 723 | internal_function |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 724 | _nl_find_msg (struct loaded_l10nfile *domain_file, |
| 725 | struct binding *domainbinding, const char *msgid, |
| 726 | size_t *lengthp) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 727 | { |
| 728 | struct loaded_domain *domain; |
| 729 | nls_uint32 nstrings; |
| 730 | size_t act; |
| 731 | char *result; |
| 732 | size_t resultlen; |
| 733 | |
| 734 | if (domain_file->decided == 0) |
| 735 | _nl_load_domain (domain_file, domainbinding); |
| 736 | |
| 737 | if (domain_file->data == NULL) |
| 738 | return NULL; |
| 739 | |
| 740 | domain = (struct loaded_domain *) domain_file->data; |
| 741 | |
| 742 | nstrings = domain->nstrings; |
| 743 | |
| 744 | /* Locate the MSGID and its translation. */ |
| 745 | if (domain->hash_tab != NULL) |
| 746 | { |
| 747 | /* Use the hashing table. */ |
| 748 | nls_uint32 len = strlen (msgid); |
| 749 | nls_uint32 hash_val = hash_string (msgid); |
| 750 | nls_uint32 idx = hash_val % domain->hash_size; |
| 751 | nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2)); |
| 752 | |
| 753 | while (1) |
| 754 | { |
| 755 | nls_uint32 nstr = |
| 756 | W (domain->must_swap_hash_tab, domain->hash_tab[idx]); |
| 757 | |
| 758 | if (nstr == 0) |
| 759 | /* Hash table entry is empty. */ |
| 760 | return NULL; |
| 761 | |
| 762 | nstr--; |
| 763 | |
| 764 | /* Compare msgid with the original string at index nstr. |
| 765 | We compare the lengths with >=, not ==, because plural entries |
| 766 | are represented by strings with an embedded NUL. */ |
| 767 | if (nstr < nstrings |
| 768 | ? W (domain->must_swap, domain->orig_tab[nstr].length) >= len |
| 769 | && (strcmp (msgid, |
| 770 | domain->data + W (domain->must_swap, |
| 771 | domain->orig_tab[nstr].offset)) |
| 772 | == 0) |
| 773 | : domain->orig_sysdep_tab[nstr - nstrings].length > len |
| 774 | && (strcmp (msgid, |
| 775 | domain->orig_sysdep_tab[nstr - nstrings].pointer) |
| 776 | == 0)) |
| 777 | { |
| 778 | act = nstr; |
| 779 | goto found; |
| 780 | } |
| 781 | |
| 782 | if (idx >= domain->hash_size - incr) |
| 783 | idx -= domain->hash_size - incr; |
| 784 | else |
| 785 | idx += incr; |
| 786 | } |
| 787 | /* NOTREACHED */ |
| 788 | } |
| 789 | else |
| 790 | { |
| 791 | /* Try the default method: binary search in the sorted array of |
| 792 | messages. */ |
| 793 | size_t top, bottom; |
| 794 | |
| 795 | bottom = 0; |
| 796 | top = nstrings; |
| 797 | while (bottom < top) |
| 798 | { |
| 799 | int cmp_val; |
| 800 | |
| 801 | act = (bottom + top) / 2; |
| 802 | cmp_val = strcmp (msgid, (domain->data |
| 803 | + W (domain->must_swap, |
| 804 | domain->orig_tab[act].offset))); |
| 805 | if (cmp_val < 0) |
| 806 | top = act; |
| 807 | else if (cmp_val > 0) |
| 808 | bottom = act + 1; |
| 809 | else |
| 810 | goto found; |
| 811 | } |
| 812 | /* No translation was found. */ |
| 813 | return NULL; |
| 814 | } |
| 815 | |
| 816 | found: |
| 817 | /* The translation was found at index ACT. If we have to convert the |
| 818 | string to use a different character set, this is the time. */ |
| 819 | if (act < nstrings) |
| 820 | { |
| 821 | result = (char *) |
| 822 | (domain->data + W (domain->must_swap, domain->trans_tab[act].offset)); |
| 823 | resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1; |
| 824 | } |
| 825 | else |
| 826 | { |
| 827 | result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer; |
| 828 | resultlen = domain->trans_sysdep_tab[act - nstrings].length; |
| 829 | } |
| 830 | |
| 831 | #if defined _LIBC || HAVE_ICONV |
| 832 | if (domain->codeset_cntr |
| 833 | != (domainbinding != NULL ? domainbinding->codeset_cntr : 0)) |
| 834 | { |
| 835 | /* The domain's codeset has changed through bind_textdomain_codeset() |
| 836 | since the message catalog was initialized or last accessed. We |
| 837 | have to reinitialize the converter. */ |
| 838 | _nl_free_domain_conv (domain); |
| 839 | _nl_init_domain_conv (domain_file, domain, domainbinding); |
| 840 | } |
| 841 | |
| 842 | if ( |
| 843 | # ifdef _LIBC |
| 844 | domain->conv != (__gconv_t) -1 |
| 845 | # else |
| 846 | # if HAVE_ICONV |
| 847 | domain->conv != (iconv_t) -1 |
| 848 | # endif |
| 849 | # endif |
| 850 | ) |
| 851 | { |
| 852 | /* We are supposed to do a conversion. First allocate an |
| 853 | appropriate table with the same structure as the table |
| 854 | of translations in the file, where we can put the pointers |
| 855 | to the converted strings in. |
| 856 | There is a slight complication with plural entries. They |
| 857 | are represented by consecutive NUL terminated strings. We |
| 858 | handle this case by converting RESULTLEN bytes, including |
| 859 | NULs. */ |
| 860 | |
| 861 | if (domain->conv_tab == NULL |
| 862 | && ((domain->conv_tab = |
| 863 | (char **) calloc (nstrings + domain->n_sysdep_strings, |
| 864 | sizeof (char *))) |
| 865 | == NULL)) |
| 866 | /* Mark that we didn't succeed allocating a table. */ |
| 867 | domain->conv_tab = (char **) -1; |
| 868 | |
| 869 | if (__builtin_expect (domain->conv_tab == (char **) -1, 0)) |
| 870 | /* Nothing we can do, no more memory. */ |
| 871 | goto converted; |
| 872 | |
| 873 | if (domain->conv_tab[act] == NULL) |
| 874 | { |
| 875 | /* We haven't used this string so far, so it is not |
| 876 | translated yet. Do this now. */ |
| 877 | /* We use a bit more efficient memory handling. |
| 878 | We allocate always larger blocks which get used over |
| 879 | time. This is faster than many small allocations. */ |
| 880 | __libc_lock_define_initialized (static, lock) |
| 881 | # define INITIAL_BLOCK_SIZE 4080 |
| 882 | static unsigned char *freemem; |
| 883 | static size_t freemem_size; |
| 884 | |
| 885 | const unsigned char *inbuf; |
| 886 | unsigned char *outbuf; |
| 887 | int malloc_count; |
| 888 | # ifndef _LIBC |
| 889 | transmem_block_t *transmem_list = NULL; |
| 890 | # endif |
| 891 | |
| 892 | __libc_lock_lock (lock); |
| 893 | |
| 894 | inbuf = (const unsigned char *) result; |
| 895 | outbuf = freemem + sizeof (size_t); |
| 896 | |
| 897 | malloc_count = 0; |
| 898 | while (1) |
| 899 | { |
| 900 | transmem_block_t *newmem; |
| 901 | # ifdef _LIBC |
| 902 | size_t non_reversible; |
| 903 | int res; |
| 904 | |
| 905 | if (freemem_size < sizeof (size_t)) |
| 906 | goto resize_freemem; |
| 907 | |
| 908 | res = __gconv (domain->conv, |
| 909 | &inbuf, inbuf + resultlen, |
| 910 | &outbuf, |
| 911 | outbuf + freemem_size - sizeof (size_t), |
| 912 | &non_reversible); |
| 913 | |
| 914 | if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT) |
| 915 | break; |
| 916 | |
| 917 | if (res != __GCONV_FULL_OUTPUT) |
| 918 | { |
| 919 | __libc_lock_unlock (lock); |
| 920 | goto converted; |
| 921 | } |
| 922 | |
| 923 | inbuf = result; |
| 924 | # else |
| 925 | # if HAVE_ICONV |
| 926 | const char *inptr = (const char *) inbuf; |
| 927 | size_t inleft = resultlen; |
| 928 | char *outptr = (char *) outbuf; |
| 929 | size_t outleft; |
| 930 | |
| 931 | if (freemem_size < sizeof (size_t)) |
| 932 | goto resize_freemem; |
| 933 | |
| 934 | outleft = freemem_size - sizeof (size_t); |
| 935 | if (iconv (domain->conv, |
| 936 | (ICONV_CONST char **) &inptr, &inleft, |
| 937 | &outptr, &outleft) |
| 938 | != (size_t) (-1)) |
| 939 | { |
| 940 | outbuf = (unsigned char *) outptr; |
| 941 | break; |
| 942 | } |
| 943 | if (errno != E2BIG) |
| 944 | { |
| 945 | __libc_lock_unlock (lock); |
| 946 | goto converted; |
| 947 | } |
| 948 | # endif |
| 949 | # endif |
| 950 | |
| 951 | resize_freemem: |
| 952 | /* We must allocate a new buffer or resize the old one. */ |
| 953 | if (malloc_count > 0) |
| 954 | { |
| 955 | ++malloc_count; |
| 956 | freemem_size = malloc_count * INITIAL_BLOCK_SIZE; |
| 957 | newmem = (transmem_block_t *) realloc (transmem_list, |
| 958 | freemem_size); |
| 959 | # ifdef _LIBC |
| 960 | if (newmem != NULL) |
| 961 | transmem_list = transmem_list->next; |
| 962 | else |
| 963 | { |
| 964 | struct transmem_list *old = transmem_list; |
| 965 | |
| 966 | transmem_list = transmem_list->next; |
| 967 | free (old); |
| 968 | } |
| 969 | # endif |
| 970 | } |
| 971 | else |
| 972 | { |
| 973 | malloc_count = 1; |
| 974 | freemem_size = INITIAL_BLOCK_SIZE; |
| 975 | newmem = (transmem_block_t *) malloc (freemem_size); |
| 976 | } |
| 977 | if (__builtin_expect (newmem == NULL, 0)) |
| 978 | { |
| 979 | freemem = NULL; |
| 980 | freemem_size = 0; |
| 981 | __libc_lock_unlock (lock); |
| 982 | goto converted; |
| 983 | } |
| 984 | |
| 985 | # ifdef _LIBC |
| 986 | /* Add the block to the list of blocks we have to free |
| 987 | at some point. */ |
| 988 | newmem->next = transmem_list; |
| 989 | transmem_list = newmem; |
| 990 | |
| 991 | freemem = newmem->data; |
| 992 | freemem_size -= offsetof (struct transmem_list, data); |
| 993 | # else |
| 994 | transmem_list = newmem; |
| 995 | freemem = newmem; |
| 996 | # endif |
| 997 | |
| 998 | outbuf = freemem + sizeof (size_t); |
| 999 | } |
| 1000 | |
| 1001 | /* We have now in our buffer a converted string. Put this |
| 1002 | into the table of conversions. */ |
| 1003 | *(size_t *) freemem = outbuf - freemem - sizeof (size_t); |
| 1004 | domain->conv_tab[act] = (char *) freemem; |
| 1005 | /* Shrink freemem, but keep it aligned. */ |
| 1006 | freemem_size -= outbuf - freemem; |
| 1007 | freemem = outbuf; |
| 1008 | freemem += freemem_size & (alignof (size_t) - 1); |
| 1009 | freemem_size = freemem_size & ~ (alignof (size_t) - 1); |
| 1010 | |
| 1011 | __libc_lock_unlock (lock); |
| 1012 | } |
| 1013 | |
| 1014 | /* Now domain->conv_tab[act] contains the translation of all |
| 1015 | the plural variants. */ |
| 1016 | result = domain->conv_tab[act] + sizeof (size_t); |
| 1017 | resultlen = *(size_t *) domain->conv_tab[act]; |
| 1018 | } |
| 1019 | |
| 1020 | converted: |
| 1021 | /* The result string is converted. */ |
| 1022 | |
| 1023 | #endif /* _LIBC || HAVE_ICONV */ |
| 1024 | |
| 1025 | *lengthp = resultlen; |
| 1026 | return result; |
| 1027 | } |
| 1028 | |
| 1029 | |
| 1030 | /* Look up a plural variant. */ |
| 1031 | static char * |
| 1032 | internal_function |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1033 | plural_lookup (struct loaded_l10nfile *domain, unsigned long int n, |
| 1034 | const char *translation, size_t translation_len) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1035 | { |
| 1036 | struct loaded_domain *domaindata = (struct loaded_domain *) domain->data; |
| 1037 | unsigned long int index; |
| 1038 | const char *p; |
| 1039 | |
| 1040 | index = plural_eval (domaindata->plural, n); |
| 1041 | if (index >= domaindata->nplurals) |
| 1042 | /* This should never happen. It means the plural expression and the |
| 1043 | given maximum value do not match. */ |
| 1044 | index = 0; |
| 1045 | |
| 1046 | /* Skip INDEX strings at TRANSLATION. */ |
| 1047 | p = translation; |
| 1048 | while (index-- > 0) |
| 1049 | { |
| 1050 | #ifdef _LIBC |
| 1051 | p = __rawmemchr (p, '\0'); |
| 1052 | #else |
| 1053 | p = strchr (p, '\0'); |
| 1054 | #endif |
| 1055 | /* And skip over the NUL byte. */ |
| 1056 | p++; |
| 1057 | |
| 1058 | if (p >= translation + translation_len) |
| 1059 | /* This should never happen. It means the plural expression |
| 1060 | evaluated to a value larger than the number of variants |
| 1061 | available for MSGID1. */ |
| 1062 | return (char *) translation; |
| 1063 | } |
| 1064 | return (char *) p; |
| 1065 | } |
| 1066 | |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1067 | #ifndef _LIBC |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1068 | /* Return string representation of locale CATEGORY. */ |
| 1069 | static const char * |
| 1070 | internal_function |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1071 | category_to_name (int category) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1072 | { |
| 1073 | const char *retval; |
| 1074 | |
| 1075 | switch (category) |
| 1076 | { |
| 1077 | #ifdef LC_COLLATE |
| 1078 | case LC_COLLATE: |
| 1079 | retval = "LC_COLLATE"; |
| 1080 | break; |
| 1081 | #endif |
| 1082 | #ifdef LC_CTYPE |
| 1083 | case LC_CTYPE: |
| 1084 | retval = "LC_CTYPE"; |
| 1085 | break; |
| 1086 | #endif |
| 1087 | #ifdef LC_MONETARY |
| 1088 | case LC_MONETARY: |
| 1089 | retval = "LC_MONETARY"; |
| 1090 | break; |
| 1091 | #endif |
| 1092 | #ifdef LC_NUMERIC |
| 1093 | case LC_NUMERIC: |
| 1094 | retval = "LC_NUMERIC"; |
| 1095 | break; |
| 1096 | #endif |
| 1097 | #ifdef LC_TIME |
| 1098 | case LC_TIME: |
| 1099 | retval = "LC_TIME"; |
| 1100 | break; |
| 1101 | #endif |
| 1102 | #ifdef LC_MESSAGES |
| 1103 | case LC_MESSAGES: |
| 1104 | retval = "LC_MESSAGES"; |
| 1105 | break; |
| 1106 | #endif |
| 1107 | #ifdef LC_RESPONSE |
| 1108 | case LC_RESPONSE: |
| 1109 | retval = "LC_RESPONSE"; |
| 1110 | break; |
| 1111 | #endif |
| 1112 | #ifdef LC_ALL |
| 1113 | case LC_ALL: |
| 1114 | /* This might not make sense but is perhaps better than any other |
| 1115 | value. */ |
| 1116 | retval = "LC_ALL"; |
| 1117 | break; |
| 1118 | #endif |
| 1119 | default: |
| 1120 | /* If you have a better idea for a default value let me know. */ |
| 1121 | retval = "LC_XXX"; |
| 1122 | } |
| 1123 | |
| 1124 | return retval; |
| 1125 | } |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1126 | #endif |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1127 | |
| 1128 | /* Guess value of current locale from value of the environment variables. */ |
| 1129 | static const char * |
| 1130 | internal_function |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1131 | guess_category_value (int category, const char *categoryname) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1132 | { |
| 1133 | const char *language; |
| 1134 | const char *retval; |
| 1135 | |
| 1136 | /* The highest priority value is the `LANGUAGE' environment |
| 1137 | variable. But we don't use the value if the currently selected |
| 1138 | locale is the C locale. This is a GNU extension. */ |
| 1139 | language = getenv ("LANGUAGE"); |
| 1140 | if (language != NULL && language[0] == '\0') |
| 1141 | language = NULL; |
| 1142 | |
| 1143 | /* We have to proceed with the POSIX methods of looking to `LC_ALL', |
| 1144 | `LC_xxx', and `LANG'. On some systems this can be done by the |
| 1145 | `setlocale' function itself. */ |
| 1146 | #ifdef _LIBC |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1147 | retval = __current_locale_name (category); |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1148 | #else |
| 1149 | retval = _nl_locale_name (category, categoryname); |
| 1150 | #endif |
| 1151 | |
| 1152 | /* Ignore LANGUAGE if the locale is set to "C" because |
| 1153 | 1. "C" locale usually uses the ASCII encoding, and most international |
| 1154 | messages use non-ASCII characters. These characters get displayed |
| 1155 | as question marks (if using glibc's iconv()) or as invalid 8-bit |
| 1156 | characters (because other iconv()s refuse to convert most non-ASCII |
| 1157 | characters to ASCII). In any case, the output is ugly. |
| 1158 | 2. The precise output of some programs in the "C" locale is specified |
| 1159 | by POSIX and should not depend on environment variables like |
| 1160 | "LANGUAGE". We allow such programs to use gettext(). */ |
| 1161 | return language != NULL && strcmp (retval, "C") != 0 ? language : retval; |
| 1162 | } |
| 1163 | |
| 1164 | /* @@ begin of epilog @@ */ |
| 1165 | |
| 1166 | /* We don't want libintl.a to depend on any other library. So we |
| 1167 | avoid the non-standard function stpcpy. In GNU C Library this |
| 1168 | function is available, though. Also allow the symbol HAVE_STPCPY |
| 1169 | to be defined. */ |
| 1170 | #if !_LIBC && !HAVE_STPCPY |
| 1171 | static char * |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1172 | stpcpy (char *dest, const char *src) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1173 | { |
| 1174 | while ((*dest++ = *src++) != '\0') |
| 1175 | /* Do nothing. */ ; |
| 1176 | return dest - 1; |
| 1177 | } |
| 1178 | #endif |
| 1179 | |
| 1180 | #if !_LIBC && !HAVE_MEMPCPY |
| 1181 | static void * |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1182 | mempcpy (void *dest, const void *src, size_t n) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1183 | { |
| 1184 | return (void *) ((char *) memcpy (dest, src, n) + n); |
| 1185 | } |
| 1186 | #endif |
| 1187 | |
| 1188 | |
| 1189 | #ifdef _LIBC |
| 1190 | /* If we want to free all resources we have to do some work at |
| 1191 | program's end. */ |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1192 | libc_freeres_fn (free_mem) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1193 | { |
| 1194 | void *old; |
| 1195 | |
| 1196 | while (_nl_domain_bindings != NULL) |
| 1197 | { |
| 1198 | struct binding *oldp = _nl_domain_bindings; |
| 1199 | _nl_domain_bindings = _nl_domain_bindings->next; |
Theodore Ts'o | b0cacab | 2004-11-30 19:00:19 -0500 | [diff] [blame] | 1200 | if (oldp->dirname != INTUSE(_nl_default_dirname)) |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1201 | /* Yes, this is a pointer comparison. */ |
| 1202 | free (oldp->dirname); |
| 1203 | free (oldp->codeset); |
| 1204 | free (oldp); |
| 1205 | } |
| 1206 | |
| 1207 | if (_nl_current_default_domain != _nl_default_default_domain) |
| 1208 | /* Yes, again a pointer comparison. */ |
| 1209 | free ((char *) _nl_current_default_domain); |
| 1210 | |
| 1211 | /* Remove the search tree with the known translations. */ |
| 1212 | __tdestroy (root, free); |
| 1213 | root = NULL; |
| 1214 | |
| 1215 | while (transmem_list != NULL) |
| 1216 | { |
| 1217 | old = transmem_list; |
| 1218 | transmem_list = transmem_list->next; |
| 1219 | free (old); |
| 1220 | } |
| 1221 | } |
Theodore Ts'o | a04eba3 | 2003-05-03 16:35:17 -0400 | [diff] [blame] | 1222 | #endif |