1 /* Implementation of the internal dcigettext function.
2 Copyright (C) 1995-1999, 2000-2003 Free Software Foundation, Inc.
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)
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.
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,
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. */
23 # define _GNU_SOURCE 1
30 #include <sys/types.h>
33 # define alloca __builtin_alloca
34 # define HAVE_ALLOCA 1
38 # define alloca _alloca
40 # if defined HAVE_ALLOCA_H || defined _LIBC
59 # define __set_errno(val) errno = (val)
66 #if defined HAVE_UNISTD_H || defined _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
79 # define INTDIV0_RAISES_SIGFPE 0
82 #if !INTDIV0_RAISES_SIGFPE
86 #if defined HAVE_SYS_PARAM_H || defined _LIBC
87 # include <sys/param.h>
91 #include "plural-exp.h"
95 # include "libgnuintl.h"
97 #include "hash-string.h"
99 /* Thread safetyness. */
101 # include <bits/libc-lock.h>
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)
112 /* Alignment of types. */
113 #if defined __GNUC__ && __GNUC__ >= 2
114 # define alignof(TYPE) __alignof__ (TYPE)
116 # define alignof(TYPE) \
117 ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)
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. */
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
130 /* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */
132 # define offsetof(type,ident) ((size_t)&(((type*)0)->ident))
135 /* @@ end of prolog @@ */
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
143 # define stpcpy __stpcpy
145 # define tfind __tfind
147 # if !defined HAVE_GETCWD
149 # define getcwd(buf, max) getwd (buf)
154 static char *stpcpy PARAMS ((char *dest, const char *src));
156 # ifndef HAVE_MEMPCPY
157 static void *mempcpy PARAMS ((void *dest, const void *src, size_t n));
161 /* Amount to increase buffer size by in each try. */
164 /* The following is from pathmax.h. */
165 /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
166 PATH_MAX but might cause redefinition warnings when sys/param.h is
167 later included (as on MORE/BSD 4.3). */
168 #if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__)
172 #ifndef _POSIX_PATH_MAX
173 # define _POSIX_PATH_MAX 255
176 #if !defined PATH_MAX && defined _PC_PATH_MAX
177 # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
180 /* Don't include sys/param.h if it already has been. */
181 #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
182 # include <sys/param.h>
185 #if !defined PATH_MAX && defined MAXPATHLEN
186 # define PATH_MAX MAXPATHLEN
190 # define PATH_MAX _POSIX_PATH_MAX
194 ISSLASH(C) tests whether C is a directory separator character.
195 IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not,
196 it may be concatenated to a directory pathname.
197 IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
199 #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
200 /* Win32, OS/2, DOS */
201 # define ISSLASH(C) ((C) == '/' || (C) == '\\')
202 # define HAS_DEVICE(P) \
203 ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
205 # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
206 # define IS_PATH_WITH_DIR(P) \
207 (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
210 # define ISSLASH(C) ((C) == '/')
211 # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
212 # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
215 /* This is the type used for the search tree where known translations
217 struct known_translation_t
219 /* Domain in which to search. */
225 /* State of the catalog counter at the point the string was found. */
228 /* Catalog where the string was found. */
229 struct loaded_l10nfile *domain;
231 /* And finally the translation. */
232 const char *translation;
233 size_t translation_length;
235 /* Pointer to the string in question. */
239 /* Root of the search tree with known translations. We can use this
240 only if the system provides the `tsearch' function family. */
241 #if defined HAVE_TSEARCH || defined _LIBC
247 # define tsearch __tsearch
250 /* Function to compare two entries in the table of known translations. */
251 static int transcmp PARAMS ((const void *p1, const void *p2));
257 const struct known_translation_t *s1;
258 const struct known_translation_t *s2;
261 s1 = (const struct known_translation_t *) p1;
262 s2 = (const struct known_translation_t *) p2;
264 result = strcmp (s1->msgid, s2->msgid);
267 result = strcmp (s1->domainname, s2->domainname);
269 /* We compare the category last (though this is the cheapest
270 operation) since it is hopefully always the same (namely
272 result = s1->category - s2->category;
280 # define INTVARDEF(name)
283 # define INTUSE(name) name
286 /* Name of the default domain used for gettext(3) prior any call to
287 textdomain(3). The default value for this is "messages". */
288 const char _nl_default_default_domain[] attribute_hidden = "messages";
290 /* Value used as the default domain for gettext(3). */
291 const char *_nl_current_default_domain attribute_hidden
292 = _nl_default_default_domain;
294 /* Contains the default location of the message catalogs. */
296 extern const char _nl_default_dirname[];
298 const char _nl_default_dirname[] = LOCALEDIR;
299 INTVARDEF (_nl_default_dirname)
302 /* List with bindings of specific domains created by bindtextdomain()
304 struct binding *_nl_domain_bindings;
306 /* Prototypes for local functions. */
307 static char *plural_lookup PARAMS ((struct loaded_l10nfile *domain,
309 const char *translation,
310 size_t translation_len))
312 static const char *guess_category_value PARAMS ((int category,
313 const char *categoryname))
316 # include "../locale/localeinfo.h"
317 # define category_to_name(category) _nl_category_names[category]
319 static const char *category_to_name PARAMS ((int category)) internal_function;
323 /* For those loosing systems which don't have `alloca' we have to add
324 some additional code emulating it. */
326 /* Nothing has to be done. */
327 # define freea(p) /* nothing */
328 # define ADD_BLOCK(list, address) /* nothing */
329 # define FREE_BLOCKS(list) /* nothing */
334 struct block_list *next;
336 # define ADD_BLOCK(list, addr) \
338 struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \
339 /* If we cannot get a free block we cannot add the new element to \
341 if (newp != NULL) { \
342 newp->address = (addr); \
343 newp->next = (list); \
347 # define FREE_BLOCKS(list) \
349 while (list != NULL) { \
350 struct block_list *old = list; \
352 free (old->address); \
357 # define alloca(size) (malloc (size))
358 # define freea(p) free (p)
359 #endif /* have alloca */
363 /* List of blocks allocated for translations. */
364 typedef struct transmem_list
366 struct transmem_list *next;
369 static struct transmem_list *transmem_list;
371 typedef unsigned char transmem_block_t;
375 /* Names for the libintl functions are a problem. They must not clash
376 with existing names and they should follow ANSI C. But this source
377 code is also used in GNU C Library where the names have a __
378 prefix. So we have to make a difference here. */
380 # define DCIGETTEXT __dcigettext
382 # define DCIGETTEXT libintl_dcigettext
385 /* Lock variable to protect the global data in the gettext implementation. */
387 __libc_rwlock_define_initialized (, _nl_state_lock attribute_hidden)
390 /* Checking whether the binaries runs SUID must be done and glibc provides
391 easier methods therefore we make a difference here. */
393 # define ENABLE_SECURE __libc_enable_secure
394 # define DETERMINE_SECURE
402 # ifndef HAVE_GETEUID
403 # define geteuid() getuid()
405 # ifndef HAVE_GETEGID
406 # define getegid() getgid()
408 static int enable_secure;
409 # define ENABLE_SECURE (enable_secure == 1)
410 # define DETERMINE_SECURE \
411 if (enable_secure == 0) \
413 if (getuid () != geteuid () || getgid () != getegid ()) \
416 enable_secure = -1; \
420 /* Get the function to evaluate the plural expression. */
421 #include "eval-plural.h"
423 /* Look up MSGID in the DOMAINNAME message catalog for the current
424 CATEGORY locale and, if PLURAL is nonzero, search over string
425 depending on the plural form determined by N. */
427 DCIGETTEXT (domainname, msgid1, msgid2, plural, n, category)
428 const char *domainname;
436 struct block_list *block_list = NULL;
438 struct loaded_l10nfile *domain;
439 struct binding *binding;
440 const char *categoryname;
441 const char *categoryvalue;
442 char *dirname, *xdomainname;
447 #if defined HAVE_TSEARCH || defined _LIBC
448 struct known_translation_t *search;
449 struct known_translation_t **foundp = NULL;
452 size_t domainname_len;
454 /* If no real MSGID is given return NULL. */
459 if (category < 0 || category >= __LC_LAST || category == LC_ALL)
463 /* Use the Germanic plural rule. */
464 : n == 1 ? (char *) msgid1 : (char *) msgid2);
467 __libc_rwlock_rdlock (_nl_state_lock);
469 /* If DOMAINNAME is NULL, we are interested in the default domain. If
470 CATEGORY is not LC_MESSAGES this might not make much sense but the
471 definition left this undefined. */
472 if (domainname == NULL)
473 domainname = _nl_current_default_domain;
475 /* OS/2 specific: backward compatibility with older libintl versions */
476 #ifdef LC_MESSAGES_COMPAT
477 if (category == LC_MESSAGES_COMPAT)
478 category = LC_MESSAGES;
481 #if defined HAVE_TSEARCH || defined _LIBC
482 msgid_len = strlen (msgid1) + 1;
484 /* Try to find the translation among those which we found at
486 search = (struct known_translation_t *)
487 alloca (offsetof (struct known_translation_t, msgid) + msgid_len);
488 memcpy (search->msgid, msgid1, msgid_len);
489 search->domainname = (char *) domainname;
490 search->category = category;
492 foundp = (struct known_translation_t **) tfind (search, &root, transcmp);
494 if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)
496 /* Now deal with plural. */
498 retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation,
499 (*foundp)->translation_length);
501 retval = (char *) (*foundp)->translation;
503 __libc_rwlock_unlock (_nl_state_lock);
508 /* Preserve the `errno' value. */
511 /* See whether this is a SUID binary or not. */
514 /* First find matching binding. */
515 for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
517 int compare = strcmp (domainname, binding->domainname);
523 /* It is not in the list. */
530 dirname = (char *) INTUSE(_nl_default_dirname);
531 else if (IS_ABSOLUTE_PATH (binding->dirname))
532 dirname = binding->dirname;
535 /* We have a relative path. Make it absolute now. */
536 size_t dirname_len = strlen (binding->dirname) + 1;
540 path_max = (unsigned int) PATH_MAX;
541 path_max += 2; /* The getcwd docs say to do this. */
545 dirname = (char *) alloca (path_max + dirname_len);
546 ADD_BLOCK (block_list, dirname);
549 ret = getcwd (dirname, path_max);
550 if (ret != NULL || errno != ERANGE)
553 path_max += path_max / 2;
554 path_max += PATH_INCR;
558 /* We cannot get the current working directory. Don't signal an
559 error but simply return the default string. */
560 goto return_untranslated;
562 stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname);
565 /* Now determine the symbolic name of CATEGORY and its value. */
566 categoryname = category_to_name (category);
567 categoryvalue = guess_category_value (category, categoryname);
569 domainname_len = strlen (domainname);
570 xdomainname = (char *) alloca (strlen (categoryname)
571 + domainname_len + 5);
572 ADD_BLOCK (block_list, xdomainname);
574 stpcpy (mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"),
575 domainname, domainname_len),
578 /* Creating working area. */
579 single_locale = (char *) alloca (strlen (categoryvalue) + 1);
580 ADD_BLOCK (block_list, single_locale);
583 /* Search for the given string. This is a loop because we perhaps
584 got an ordered list of languages to consider for the translation. */
587 /* Make CATEGORYVALUE point to the next element of the list. */
588 while (categoryvalue[0] != '\0' && categoryvalue[0] == ':')
590 if (categoryvalue[0] == '\0')
592 /* The whole contents of CATEGORYVALUE has been searched but
593 no valid entry has been found. We solve this situation
594 by implicitly appending a "C" entry, i.e. no translation
596 single_locale[0] = 'C';
597 single_locale[1] = '\0';
601 char *cp = single_locale;
602 while (categoryvalue[0] != '\0' && categoryvalue[0] != ':')
603 *cp++ = *categoryvalue++;
606 /* When this is a SUID binary we must not allow accessing files
607 outside the dedicated directories. */
608 if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale))
609 /* Ingore this entry. */
613 /* If the current locale value is C (or POSIX) we don't load a
614 domain. Return the MSGID. */
615 if (strcmp (single_locale, "C") == 0
616 || strcmp (single_locale, "POSIX") == 0)
619 /* Find structure describing the message catalog matching the
620 DOMAINNAME and CATEGORY. */
621 domain = _nl_find_domain (dirname, single_locale, xdomainname, binding);
625 retval = _nl_find_msg (domain, binding, msgid1, &retlen);
631 for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)
633 retval = _nl_find_msg (domain->successor[cnt], binding,
638 domain = domain->successor[cnt];
646 /* Found the translation of MSGID1 in domain DOMAIN:
647 starting at RETVAL, RETLEN bytes. */
648 FREE_BLOCKS (block_list);
649 #if defined HAVE_TSEARCH || defined _LIBC
652 /* Create a new entry and add it to the search tree. */
653 struct known_translation_t *newp;
655 newp = (struct known_translation_t *)
656 malloc (offsetof (struct known_translation_t, msgid)
657 + msgid_len + domainname_len + 1);
661 mempcpy (newp->msgid, msgid1, msgid_len);
662 memcpy (newp->domainname, domainname, domainname_len + 1);
663 newp->category = category;
664 newp->counter = _nl_msg_cat_cntr;
665 newp->domain = domain;
666 newp->translation = retval;
667 newp->translation_length = retlen;
669 /* Insert the entry in the search tree. */
670 foundp = (struct known_translation_t **)
671 tsearch (newp, &root, transcmp);
673 || __builtin_expect (*foundp != newp, 0))
674 /* The insert failed. */
680 /* We can update the existing entry. */
681 (*foundp)->counter = _nl_msg_cat_cntr;
682 (*foundp)->domain = domain;
683 (*foundp)->translation = retval;
684 (*foundp)->translation_length = retlen;
687 __set_errno (saved_errno);
689 /* Now deal with plural. */
691 retval = plural_lookup (domain, n, retval, retlen);
693 __libc_rwlock_unlock (_nl_state_lock);
700 /* Return the untranslated MSGID. */
701 FREE_BLOCKS (block_list);
702 __libc_rwlock_unlock (_nl_state_lock);
706 extern void _nl_log_untranslated PARAMS ((const char *logfilename,
707 const char *domainname,
711 const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED");
713 if (logfilename != NULL && logfilename[0] != '\0')
714 _nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural);
717 __set_errno (saved_errno);
720 /* Use the Germanic plural rule. */
721 : n == 1 ? (char *) msgid1 : (char *) msgid2);
727 _nl_find_msg (domain_file, domainbinding, msgid, lengthp)
728 struct loaded_l10nfile *domain_file;
729 struct binding *domainbinding;
733 struct loaded_domain *domain;
739 if (domain_file->decided == 0)
740 _nl_load_domain (domain_file, domainbinding);
742 if (domain_file->data == NULL)
745 domain = (struct loaded_domain *) domain_file->data;
747 nstrings = domain->nstrings;
749 /* Locate the MSGID and its translation. */
750 if (domain->hash_tab != NULL)
752 /* Use the hashing table. */
753 nls_uint32 len = strlen (msgid);
754 nls_uint32 hash_val = hash_string (msgid);
755 nls_uint32 idx = hash_val % domain->hash_size;
756 nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2));
761 W (domain->must_swap_hash_tab, domain->hash_tab[idx]);
764 /* Hash table entry is empty. */
769 /* Compare msgid with the original string at index nstr.
770 We compare the lengths with >=, not ==, because plural entries
771 are represented by strings with an embedded NUL. */
773 ? W (domain->must_swap, domain->orig_tab[nstr].length) >= len
775 domain->data + W (domain->must_swap,
776 domain->orig_tab[nstr].offset))
778 : domain->orig_sysdep_tab[nstr - nstrings].length > len
780 domain->orig_sysdep_tab[nstr - nstrings].pointer)
787 if (idx >= domain->hash_size - incr)
788 idx -= domain->hash_size - incr;
796 /* Try the default method: binary search in the sorted array of
806 act = (bottom + top) / 2;
807 cmp_val = strcmp (msgid, (domain->data
808 + W (domain->must_swap,
809 domain->orig_tab[act].offset)));
812 else if (cmp_val > 0)
817 /* No translation was found. */
822 /* The translation was found at index ACT. If we have to convert the
823 string to use a different character set, this is the time. */
827 (domain->data + W (domain->must_swap, domain->trans_tab[act].offset));
828 resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1;
832 result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer;
833 resultlen = domain->trans_sysdep_tab[act - nstrings].length;
836 #if defined _LIBC || HAVE_ICONV
837 if (domain->codeset_cntr
838 != (domainbinding != NULL ? domainbinding->codeset_cntr : 0))
840 /* The domain's codeset has changed through bind_textdomain_codeset()
841 since the message catalog was initialized or last accessed. We
842 have to reinitialize the converter. */
843 _nl_free_domain_conv (domain);
844 _nl_init_domain_conv (domain_file, domain, domainbinding);
849 domain->conv != (__gconv_t) -1
852 domain->conv != (iconv_t) -1
857 /* We are supposed to do a conversion. First allocate an
858 appropriate table with the same structure as the table
859 of translations in the file, where we can put the pointers
860 to the converted strings in.
861 There is a slight complication with plural entries. They
862 are represented by consecutive NUL terminated strings. We
863 handle this case by converting RESULTLEN bytes, including
866 if (domain->conv_tab == NULL
867 && ((domain->conv_tab =
868 (char **) calloc (nstrings + domain->n_sysdep_strings,
871 /* Mark that we didn't succeed allocating a table. */
872 domain->conv_tab = (char **) -1;
874 if (__builtin_expect (domain->conv_tab == (char **) -1, 0))
875 /* Nothing we can do, no more memory. */
878 if (domain->conv_tab[act] == NULL)
880 /* We haven't used this string so far, so it is not
881 translated yet. Do this now. */
882 /* We use a bit more efficient memory handling.
883 We allocate always larger blocks which get used over
884 time. This is faster than many small allocations. */
885 __libc_lock_define_initialized (static, lock)
886 # define INITIAL_BLOCK_SIZE 4080
887 static unsigned char *freemem;
888 static size_t freemem_size;
890 const unsigned char *inbuf;
891 unsigned char *outbuf;
894 transmem_block_t *transmem_list = NULL;
897 __libc_lock_lock (lock);
899 inbuf = (const unsigned char *) result;
900 outbuf = freemem + sizeof (size_t);
905 transmem_block_t *newmem;
907 size_t non_reversible;
910 if (freemem_size < sizeof (size_t))
913 res = __gconv (domain->conv,
914 &inbuf, inbuf + resultlen,
916 outbuf + freemem_size - sizeof (size_t),
919 if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT)
922 if (res != __GCONV_FULL_OUTPUT)
924 __libc_lock_unlock (lock);
931 const char *inptr = (const char *) inbuf;
932 size_t inleft = resultlen;
933 char *outptr = (char *) outbuf;
936 if (freemem_size < sizeof (size_t))
939 outleft = freemem_size - sizeof (size_t);
940 if (iconv (domain->conv,
941 (ICONV_CONST char **) &inptr, &inleft,
945 outbuf = (unsigned char *) outptr;
950 __libc_lock_unlock (lock);
957 /* We must allocate a new buffer or resize the old one. */
958 if (malloc_count > 0)
961 freemem_size = malloc_count * INITIAL_BLOCK_SIZE;
962 newmem = (transmem_block_t *) realloc (transmem_list,
966 transmem_list = transmem_list->next;
969 struct transmem_list *old = transmem_list;
971 transmem_list = transmem_list->next;
979 freemem_size = INITIAL_BLOCK_SIZE;
980 newmem = (transmem_block_t *) malloc (freemem_size);
982 if (__builtin_expect (newmem == NULL, 0))
986 __libc_lock_unlock (lock);
991 /* Add the block to the list of blocks we have to free
993 newmem->next = transmem_list;
994 transmem_list = newmem;
996 freemem = newmem->data;
997 freemem_size -= offsetof (struct transmem_list, data);
999 transmem_list = newmem;
1003 outbuf = freemem + sizeof (size_t);
1006 /* We have now in our buffer a converted string. Put this
1007 into the table of conversions. */
1008 *(size_t *) freemem = outbuf - freemem - sizeof (size_t);
1009 domain->conv_tab[act] = (char *) freemem;
1010 /* Shrink freemem, but keep it aligned. */
1011 freemem_size -= outbuf - freemem;
1013 freemem += freemem_size & (alignof (size_t) - 1);
1014 freemem_size = freemem_size & ~ (alignof (size_t) - 1);
1016 __libc_lock_unlock (lock);
1019 /* Now domain->conv_tab[act] contains the translation of all
1020 the plural variants. */
1021 result = domain->conv_tab[act] + sizeof (size_t);
1022 resultlen = *(size_t *) domain->conv_tab[act];
1026 /* The result string is converted. */
1028 #endif /* _LIBC || HAVE_ICONV */
1030 *lengthp = resultlen;
1035 /* Look up a plural variant. */
1038 plural_lookup (domain, n, translation, translation_len)
1039 struct loaded_l10nfile *domain;
1040 unsigned long int n;
1041 const char *translation;
1042 size_t translation_len;
1044 struct loaded_domain *domaindata = (struct loaded_domain *) domain->data;
1045 unsigned long int index;
1048 index = plural_eval (domaindata->plural, n);
1049 if (index >= domaindata->nplurals)
1050 /* This should never happen. It means the plural expression and the
1051 given maximum value do not match. */
1054 /* Skip INDEX strings at TRANSLATION. */
1059 p = __rawmemchr (p, '\0');
1061 p = strchr (p, '\0');
1063 /* And skip over the NUL byte. */
1066 if (p >= translation + translation_len)
1067 /* This should never happen. It means the plural expression
1068 evaluated to a value larger than the number of variants
1069 available for MSGID1. */
1070 return (char *) translation;
1076 /* Return string representation of locale CATEGORY. */
1079 category_to_name (category)
1088 retval = "LC_COLLATE";
1093 retval = "LC_CTYPE";
1098 retval = "LC_MONETARY";
1103 retval = "LC_NUMERIC";
1113 retval = "LC_MESSAGES";
1118 retval = "LC_RESPONSE";
1123 /* This might not make sense but is perhaps better than any other
1129 /* If you have a better idea for a default value let me know. */
1137 /* Guess value of current locale from value of the environment variables. */
1140 guess_category_value (category, categoryname)
1142 const char *categoryname;
1144 const char *language;
1147 /* The highest priority value is the `LANGUAGE' environment
1148 variable. But we don't use the value if the currently selected
1149 locale is the C locale. This is a GNU extension. */
1150 language = getenv ("LANGUAGE");
1151 if (language != NULL && language[0] == '\0')
1154 /* We have to proceed with the POSIX methods of looking to `LC_ALL',
1155 `LC_xxx', and `LANG'. On some systems this can be done by the
1156 `setlocale' function itself. */
1158 retval = __current_locale_name (category);
1160 retval = _nl_locale_name (category, categoryname);
1163 /* Ignore LANGUAGE if the locale is set to "C" because
1164 1. "C" locale usually uses the ASCII encoding, and most international
1165 messages use non-ASCII characters. These characters get displayed
1166 as question marks (if using glibc's iconv()) or as invalid 8-bit
1167 characters (because other iconv()s refuse to convert most non-ASCII
1168 characters to ASCII). In any case, the output is ugly.
1169 2. The precise output of some programs in the "C" locale is specified
1170 by POSIX and should not depend on environment variables like
1171 "LANGUAGE". We allow such programs to use gettext(). */
1172 return language != NULL && strcmp (retval, "C") != 0 ? language : retval;
1175 /* @@ begin of epilog @@ */
1177 /* We don't want libintl.a to depend on any other library. So we
1178 avoid the non-standard function stpcpy. In GNU C Library this
1179 function is available, though. Also allow the symbol HAVE_STPCPY
1181 #if !_LIBC && !HAVE_STPCPY
1187 while ((*dest++ = *src++) != '\0')
1193 #if !_LIBC && !HAVE_MEMPCPY
1195 mempcpy (dest, src, n)
1200 return (void *) ((char *) memcpy (dest, src, n) + n);
1206 /* If we want to free all resources we have to do some work at
1208 libc_freeres_fn (free_mem)
1212 while (_nl_domain_bindings != NULL)
1214 struct binding *oldp = _nl_domain_bindings;
1215 _nl_domain_bindings = _nl_domain_bindings->next;
1216 if (oldp->dirname != INTUSE(_nl_default_dirname))
1217 /* Yes, this is a pointer comparison. */
1218 free (oldp->dirname);
1219 free (oldp->codeset);
1223 if (_nl_current_default_domain != _nl_default_default_domain)
1224 /* Yes, again a pointer comparison. */
1225 free ((char *) _nl_current_default_domain);
1227 /* Remove the search tree with the known translations. */
1228 __tdestroy (root, free);
1231 while (transmem_list != NULL)
1233 old = transmem_list;
1234 transmem_list = transmem_list->next;