1 /* Implementation of the internal dcigettext function.
2 Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* Tell glibc's <string.h> to provide a prototype for mempcpy().
19 This must come before <config.h> because <config.h> may include
20 <features.h>, and once <features.h> has been included, it's too late. */
22 # define _GNU_SOURCE 1
29 #include <sys/types.h>
32 # define alloca __builtin_alloca
33 # define HAVE_ALLOCA 1
35 # if defined HAVE_ALLOCA_H || defined _LIBC
53 # define __set_errno(val) errno = (val)
60 #if !HAVE_STRCHR && !defined _LIBC
66 #if defined HAVE_UNISTD_H || defined _LIBC
72 #if defined HAVE_SYS_PARAM_H || defined _LIBC
73 # include <sys/param.h>
80 # include "libgnuintl.h"
82 #include "hash-string.h"
84 /* Thread safetyness. */
86 # include <bits/libc-lock.h>
88 /* Provide dummy implementation if this is outside glibc. */
89 # define __libc_lock_define_initialized(CLASS, NAME)
90 # define __libc_lock_lock(NAME)
91 # define __libc_lock_unlock(NAME)
92 # define __libc_rwlock_define_initialized(CLASS, NAME)
93 # define __libc_rwlock_rdlock(NAME)
94 # define __libc_rwlock_unlock(NAME)
97 /* Alignment of types. */
98 #if defined __GNUC__ && __GNUC__ >= 2
99 # define alignof(TYPE) __alignof__ (TYPE)
101 # define alignof(TYPE) \
102 ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)
105 /* The internal variables in the standalone libintl.a must have different
106 names than the internal variables in GNU libc, otherwise programs
107 using libintl.a cannot be linked statically. */
109 # define _nl_default_default_domain _nl_default_default_domain__
110 # define _nl_current_default_domain _nl_current_default_domain__
111 # define _nl_default_dirname _nl_default_dirname__
112 # define _nl_domain_bindings _nl_domain_bindings__
115 /* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */
117 # define offsetof(type,ident) ((size_t)&(((type*)0)->ident))
120 /* @@ end of prolog @@ */
123 /* Rename the non ANSI C functions. This is required by the standard
124 because some ANSI C functions will require linking with this object
125 file and the name space must not be polluted. */
126 # define getcwd __getcwd
128 # define stpcpy __stpcpy
130 # define tfind __tfind
132 # if !defined HAVE_GETCWD
134 # define getcwd(buf, max) getwd (buf)
139 static char *stpcpy PARAMS ((char *dest, const char *src));
141 # ifndef HAVE_MEMPCPY
142 static void *mempcpy PARAMS ((void *dest, const void *src, size_t n));
146 /* Amount to increase buffer size by in each try. */
149 /* The following is from pathmax.h. */
150 /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
151 PATH_MAX but might cause redefinition warnings when sys/param.h is
152 later included (as on MORE/BSD 4.3). */
153 #if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__)
157 #ifndef _POSIX_PATH_MAX
158 # define _POSIX_PATH_MAX 255
161 #if !defined PATH_MAX && defined _PC_PATH_MAX
162 # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
165 /* Don't include sys/param.h if it already has been. */
166 #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
167 # include <sys/param.h>
170 #if !defined PATH_MAX && defined MAXPATHLEN
171 # define PATH_MAX MAXPATHLEN
175 # define PATH_MAX _POSIX_PATH_MAX
179 ISSLASH(C) tests whether C is a directory separator character.
180 IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not,
181 it may be concatenated to a directory pathname.
182 IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
184 #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
185 /* Win32, OS/2, DOS */
186 # define ISSLASH(C) ((C) == '/' || (C) == '\\')
187 # define HAS_DEVICE(P) \
188 ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
190 # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
191 # define IS_PATH_WITH_DIR(P) \
192 (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
195 # define ISSLASH(C) ((C) == '/')
196 # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
197 # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
200 /* XPG3 defines the result of `setlocale (category, NULL)' as:
201 ``Directs `setlocale()' to query `category' and return the current
202 setting of `local'.''
203 However it does not specify the exact format. Neither do SUSV2 and
204 ISO C 99. So we can use this feature only on selected systems (e.g.
205 those using GNU C Library). */
206 #if defined _LIBC || (defined __GNU_LIBRARY__ && __GNU_LIBRARY__ >= 2)
207 # define HAVE_LOCALE_NULL
210 /* This is the type used for the search tree where known translations
212 struct known_translation_t
214 /* Domain in which to search. */
220 /* State of the catalog counter at the point the string was found. */
223 /* Catalog where the string was found. */
224 struct loaded_l10nfile *domain;
226 /* And finally the translation. */
227 const char *translation;
228 size_t translation_length;
230 /* Pointer to the string in question. */
234 /* Root of the search tree with known translations. We can use this
235 only if the system provides the `tsearch' function family. */
236 #if defined HAVE_TSEARCH || defined _LIBC
242 # define tsearch __tsearch
245 /* Function to compare two entries in the table of known translations. */
246 static int transcmp PARAMS ((const void *p1, const void *p2));
252 const struct known_translation_t *s1;
253 const struct known_translation_t *s2;
256 s1 = (const struct known_translation_t *) p1;
257 s2 = (const struct known_translation_t *) p2;
259 result = strcmp (s1->msgid, s2->msgid);
262 result = strcmp (s1->domainname, s2->domainname);
264 /* We compare the category last (though this is the cheapest
265 operation) since it is hopefully always the same (namely
267 result = s1->category - s2->category;
274 /* Name of the default domain used for gettext(3) prior any call to
275 textdomain(3). The default value for this is "messages". */
276 const char _nl_default_default_domain[] = "messages";
278 /* Value used as the default domain for gettext(3). */
279 const char *_nl_current_default_domain = _nl_default_default_domain;
281 /* Contains the default location of the message catalogs. */
282 const char _nl_default_dirname[] = LOCALEDIR;
284 /* List with bindings of specific domains created by bindtextdomain()
286 struct binding *_nl_domain_bindings;
288 /* Prototypes for local functions. */
289 static char *plural_lookup PARAMS ((struct loaded_l10nfile *domain,
291 const char *translation,
292 size_t translation_len))
294 static unsigned long int plural_eval PARAMS ((struct expression *pexp,
295 unsigned long int n))
297 static const char *category_to_name PARAMS ((int category)) internal_function;
298 static const char *guess_category_value PARAMS ((int category,
299 const char *categoryname))
303 /* For those loosing systems which don't have `alloca' we have to add
304 some additional code emulating it. */
306 /* Nothing has to be done. */
307 # define ADD_BLOCK(list, address) /* nothing */
308 # define FREE_BLOCKS(list) /* nothing */
313 struct block_list *next;
315 # define ADD_BLOCK(list, addr) \
317 struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \
318 /* If we cannot get a free block we cannot add the new element to \
320 if (newp != NULL) { \
321 newp->address = (addr); \
322 newp->next = (list); \
326 # define FREE_BLOCKS(list) \
328 while (list != NULL) { \
329 struct block_list *old = list; \
335 # define alloca(size) (malloc (size))
336 #endif /* have alloca */
340 /* List of blocks allocated for translations. */
341 typedef struct transmem_list
343 struct transmem_list *next;
346 static struct transmem_list *transmem_list;
348 typedef unsigned char transmem_block_t;
352 /* Names for the libintl functions are a problem. They must not clash
353 with existing names and they should follow ANSI C. But this source
354 code is also used in GNU C Library where the names have a __
355 prefix. So we have to make a difference here. */
357 # define DCIGETTEXT __dcigettext
359 # define DCIGETTEXT dcigettext__
362 /* Lock variable to protect the global data in the gettext implementation. */
364 __libc_rwlock_define_initialized (, _nl_state_lock)
367 /* Checking whether the binaries runs SUID must be done and glibc provides
368 easier methods therefore we make a difference here. */
370 # define ENABLE_SECURE __libc_enable_secure
371 # define DETERMINE_SECURE
379 # ifndef HAVE_GETEUID
380 # define geteuid() getuid()
382 # ifndef HAVE_GETEGID
383 # define getegid() getgid()
385 static int enable_secure;
386 # define ENABLE_SECURE (enable_secure == 1)
387 # define DETERMINE_SECURE \
388 if (enable_secure == 0) \
390 if (getuid () != geteuid () || getgid () != getegid ()) \
393 enable_secure = -1; \
397 /* Look up MSGID in the DOMAINNAME message catalog for the current
398 CATEGORY locale and, if PLURAL is nonzero, search over string
399 depending on the plural form determined by N. */
401 DCIGETTEXT (domainname, msgid1, msgid2, plural, n, category)
402 const char *domainname;
410 struct block_list *block_list = NULL;
412 struct loaded_l10nfile *domain;
413 struct binding *binding;
414 const char *categoryname;
415 const char *categoryvalue;
416 char *dirname, *xdomainname;
421 #if defined HAVE_TSEARCH || defined _LIBC
422 struct known_translation_t *search;
423 struct known_translation_t **foundp = NULL;
426 size_t domainname_len;
428 /* If no real MSGID is given return NULL. */
432 __libc_rwlock_rdlock (_nl_state_lock);
434 /* If DOMAINNAME is NULL, we are interested in the default domain. If
435 CATEGORY is not LC_MESSAGES this might not make much sense but the
436 definition left this undefined. */
437 if (domainname == NULL)
438 domainname = _nl_current_default_domain;
440 #if defined HAVE_TSEARCH || defined _LIBC
441 msgid_len = strlen (msgid1) + 1;
443 /* Try to find the translation among those which we found at
445 search = (struct known_translation_t *)
446 alloca (offsetof (struct known_translation_t, msgid) + msgid_len);
447 memcpy (search->msgid, msgid1, msgid_len);
448 search->domainname = (char *) domainname;
449 search->category = category;
451 foundp = (struct known_translation_t **) tfind (search, &root, transcmp);
452 if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)
454 /* Now deal with plural. */
456 retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation,
457 (*foundp)->translation_length);
459 retval = (char *) (*foundp)->translation;
461 __libc_rwlock_unlock (_nl_state_lock);
466 /* Preserve the `errno' value. */
469 /* See whether this is a SUID binary or not. */
472 /* First find matching binding. */
473 for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
475 int compare = strcmp (domainname, binding->domainname);
481 /* It is not in the list. */
488 dirname = (char *) _nl_default_dirname;
489 else if (IS_ABSOLUTE_PATH (binding->dirname))
490 dirname = binding->dirname;
493 /* We have a relative path. Make it absolute now. */
494 size_t dirname_len = strlen (binding->dirname) + 1;
498 path_max = (unsigned int) PATH_MAX;
499 path_max += 2; /* The getcwd docs say to do this. */
503 dirname = (char *) alloca (path_max + dirname_len);
504 ADD_BLOCK (block_list, dirname);
507 ret = getcwd (dirname, path_max);
508 if (ret != NULL || errno != ERANGE)
511 path_max += path_max / 2;
512 path_max += PATH_INCR;
517 /* We cannot get the current working directory. Don't signal an
518 error but simply return the default string. */
519 FREE_BLOCKS (block_list);
520 __set_errno (saved_errno);
523 /* Use the Germanic plural rule. */
524 : n == 1 ? (char *) msgid1 : (char *) msgid2);
527 stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname);
530 /* Now determine the symbolic name of CATEGORY and its value. */
531 categoryname = category_to_name (category);
532 categoryvalue = guess_category_value (category, categoryname);
534 domainname_len = strlen (domainname);
535 xdomainname = (char *) alloca (strlen (categoryname)
536 + domainname_len + 5);
537 ADD_BLOCK (block_list, xdomainname);
539 stpcpy (mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"),
540 domainname, domainname_len),
543 /* Creating working area. */
544 single_locale = (char *) alloca (strlen (categoryvalue) + 1);
545 ADD_BLOCK (block_list, single_locale);
548 /* Search for the given string. This is a loop because we perhaps
549 got an ordered list of languages to consider for the translation. */
552 /* Make CATEGORYVALUE point to the next element of the list. */
553 while (categoryvalue[0] != '\0' && categoryvalue[0] == ':')
555 if (categoryvalue[0] == '\0')
557 /* The whole contents of CATEGORYVALUE has been searched but
558 no valid entry has been found. We solve this situation
559 by implicitly appending a "C" entry, i.e. no translation
561 single_locale[0] = 'C';
562 single_locale[1] = '\0';
566 char *cp = single_locale;
567 while (categoryvalue[0] != '\0' && categoryvalue[0] != ':')
568 *cp++ = *categoryvalue++;
571 /* When this is a SUID binary we must not allow accessing files
572 outside the dedicated directories. */
573 if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale))
574 /* Ingore this entry. */
578 /* If the current locale value is C (or POSIX) we don't load a
579 domain. Return the MSGID. */
580 if (strcmp (single_locale, "C") == 0
581 || strcmp (single_locale, "POSIX") == 0)
583 FREE_BLOCKS (block_list);
584 __libc_rwlock_unlock (_nl_state_lock);
585 __set_errno (saved_errno);
588 /* Use the Germanic plural rule. */
589 : n == 1 ? (char *) msgid1 : (char *) msgid2);
593 /* Find structure describing the message catalog matching the
594 DOMAINNAME and CATEGORY. */
595 domain = _nl_find_domain (dirname, single_locale, xdomainname, binding);
599 retval = _nl_find_msg (domain, binding, msgid1, &retlen);
605 for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)
607 retval = _nl_find_msg (domain->successor[cnt], binding,
612 domain = domain->successor[cnt];
620 /* Found the translation of MSGID1 in domain DOMAIN:
621 starting at RETVAL, RETLEN bytes. */
622 FREE_BLOCKS (block_list);
623 __set_errno (saved_errno);
624 #if defined HAVE_TSEARCH || defined _LIBC
627 /* Create a new entry and add it to the search tree. */
628 struct known_translation_t *newp;
630 newp = (struct known_translation_t *)
631 malloc (offsetof (struct known_translation_t, msgid)
632 + msgid_len + domainname_len + 1);
636 mempcpy (newp->msgid, msgid1, msgid_len);
637 memcpy (newp->domainname, domainname, domainname_len + 1);
638 newp->category = category;
639 newp->counter = _nl_msg_cat_cntr;
640 newp->domain = domain;
641 newp->translation = retval;
642 newp->translation_length = retlen;
644 /* Insert the entry in the search tree. */
645 foundp = (struct known_translation_t **)
646 tsearch (newp, &root, transcmp);
648 || __builtin_expect (*foundp != newp, 0))
649 /* The insert failed. */
655 /* We can update the existing entry. */
656 (*foundp)->counter = _nl_msg_cat_cntr;
657 (*foundp)->domain = domain;
658 (*foundp)->translation = retval;
659 (*foundp)->translation_length = retlen;
662 /* Now deal with plural. */
664 retval = plural_lookup (domain, n, retval, retlen);
666 __libc_rwlock_unlock (_nl_state_lock);
677 _nl_find_msg (domain_file, domainbinding, msgid, lengthp)
678 struct loaded_l10nfile *domain_file;
679 struct binding *domainbinding;
683 struct loaded_domain *domain;
688 if (domain_file->decided == 0)
689 _nl_load_domain (domain_file, domainbinding);
691 if (domain_file->data == NULL)
694 domain = (struct loaded_domain *) domain_file->data;
696 /* Locate the MSGID and its translation. */
697 if (domain->hash_size > 2 && domain->hash_tab != NULL)
699 /* Use the hashing table. */
700 nls_uint32 len = strlen (msgid);
701 nls_uint32 hash_val = hash_string (msgid);
702 nls_uint32 idx = hash_val % domain->hash_size;
703 nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2));
707 nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]);
710 /* Hash table entry is empty. */
713 /* Compare msgid with the original string at index nstr-1.
714 We compare the lengths with >=, not ==, because plural entries
715 are represented by strings with an embedded NUL. */
716 if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) >= len
718 domain->data + W (domain->must_swap,
719 domain->orig_tab[nstr - 1].offset))
726 if (idx >= domain->hash_size - incr)
727 idx -= domain->hash_size - incr;
735 /* Try the default method: binary search in the sorted array of
740 top = domain->nstrings;
745 act = (bottom + top) / 2;
746 cmp_val = strcmp (msgid, (domain->data
747 + W (domain->must_swap,
748 domain->orig_tab[act].offset)));
751 else if (cmp_val > 0)
756 /* No translation was found. */
761 /* The translation was found at index ACT. If we have to convert the
762 string to use a different character set, this is the time. */
763 result = ((char *) domain->data
764 + W (domain->must_swap, domain->trans_tab[act].offset));
765 resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1;
767 #if defined _LIBC || HAVE_ICONV
768 if (domain->codeset_cntr
769 != (domainbinding != NULL ? domainbinding->codeset_cntr : 0))
771 /* The domain's codeset has changed through bind_textdomain_codeset()
772 since the message catalog was initialized or last accessed. We
773 have to reinitialize the converter. */
774 _nl_free_domain_conv (domain);
775 _nl_init_domain_conv (domain_file, domain, domainbinding);
780 domain->conv != (__gconv_t) -1
783 domain->conv != (iconv_t) -1
788 /* We are supposed to do a conversion. First allocate an
789 appropriate table with the same structure as the table
790 of translations in the file, where we can put the pointers
791 to the converted strings in.
792 There is a slight complication with plural entries. They
793 are represented by consecutive NUL terminated strings. We
794 handle this case by converting RESULTLEN bytes, including
797 if (domain->conv_tab == NULL
798 && ((domain->conv_tab = (char **) calloc (domain->nstrings,
801 /* Mark that we didn't succeed allocating a table. */
802 domain->conv_tab = (char **) -1;
804 if (__builtin_expect (domain->conv_tab == (char **) -1, 0))
805 /* Nothing we can do, no more memory. */
808 if (domain->conv_tab[act] == NULL)
810 /* We haven't used this string so far, so it is not
811 translated yet. Do this now. */
812 /* We use a bit more efficient memory handling.
813 We allocate always larger blocks which get used over
814 time. This is faster than many small allocations. */
815 __libc_lock_define_initialized (static, lock)
816 # define INITIAL_BLOCK_SIZE 4080
817 static unsigned char *freemem;
818 static size_t freemem_size;
820 const unsigned char *inbuf;
821 unsigned char *outbuf;
824 transmem_block_t *transmem_list = NULL;
827 __libc_lock_lock (lock);
829 inbuf = (const unsigned char *) result;
830 outbuf = freemem + sizeof (size_t);
835 transmem_block_t *newmem;
837 size_t non_reversible;
840 if (freemem_size < sizeof (size_t))
843 res = __gconv (domain->conv,
844 &inbuf, inbuf + resultlen,
846 outbuf + freemem_size - sizeof (size_t),
849 if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT)
852 if (res != __GCONV_FULL_OUTPUT)
854 __libc_lock_unlock (lock);
861 const char *inptr = (const char *) inbuf;
862 size_t inleft = resultlen;
863 char *outptr = (char *) outbuf;
866 if (freemem_size < sizeof (size_t))
869 outleft = freemem_size - sizeof (size_t);
870 if (iconv (domain->conv,
871 (ICONV_CONST char **) &inptr, &inleft,
875 outbuf = (unsigned char *) outptr;
880 __libc_lock_unlock (lock);
887 /* We must allocate a new buffer or resize the old one. */
888 if (malloc_count > 0)
891 freemem_size = malloc_count * INITIAL_BLOCK_SIZE;
892 newmem = (transmem_block_t *) realloc (transmem_list,
896 transmem_list = transmem_list->next;
899 struct transmem_list *old = transmem_list;
901 transmem_list = transmem_list->next;
909 freemem_size = INITIAL_BLOCK_SIZE;
910 newmem = (transmem_block_t *) malloc (freemem_size);
912 if (__builtin_expect (newmem == NULL, 0))
916 __libc_lock_unlock (lock);
921 /* Add the block to the list of blocks we have to free
923 newmem->next = transmem_list;
924 transmem_list = newmem;
926 freemem = newmem->data;
927 freemem_size -= offsetof (struct transmem_list, data);
929 transmem_list = newmem;
933 outbuf = freemem + sizeof (size_t);
936 /* We have now in our buffer a converted string. Put this
937 into the table of conversions. */
938 *(size_t *) freemem = outbuf - freemem - sizeof (size_t);
939 domain->conv_tab[act] = (char *) freemem;
940 /* Shrink freemem, but keep it aligned. */
941 freemem_size -= outbuf - freemem;
943 freemem += freemem_size & (alignof (size_t) - 1);
944 freemem_size = freemem_size & ~ (alignof (size_t) - 1);
946 __libc_lock_unlock (lock);
949 /* Now domain->conv_tab[act] contains the translation of all
950 the plural variants. */
951 result = domain->conv_tab[act] + sizeof (size_t);
952 resultlen = *(size_t *) domain->conv_tab[act];
956 /* The result string is converted. */
958 #endif /* _LIBC || HAVE_ICONV */
960 *lengthp = resultlen;
965 /* Look up a plural variant. */
968 plural_lookup (domain, n, translation, translation_len)
969 struct loaded_l10nfile *domain;
971 const char *translation;
972 size_t translation_len;
974 struct loaded_domain *domaindata = (struct loaded_domain *) domain->data;
975 unsigned long int index;
978 index = plural_eval (domaindata->plural, n);
979 if (index >= domaindata->nplurals)
980 /* This should never happen. It means the plural expression and the
981 given maximum value do not match. */
984 /* Skip INDEX strings at TRANSLATION. */
989 p = __rawmemchr (p, '\0');
991 p = strchr (p, '\0');
993 /* And skip over the NUL byte. */
996 if (p >= translation + translation_len)
997 /* This should never happen. It means the plural expression
998 evaluated to a value larger than the number of variants
999 available for MSGID1. */
1000 return (char *) translation;
1006 /* Function to evaluate the plural expression and return an index value. */
1007 static unsigned long int
1009 plural_eval (pexp, n)
1010 struct expression *pexp;
1011 unsigned long int n;
1013 switch (pexp->nargs)
1016 switch (pexp->operation)
1021 return pexp->val.num;
1029 /* pexp->operation must be lnot. */
1030 unsigned long int arg = plural_eval (pexp->val.args[0], n);
1035 unsigned long int leftarg = plural_eval (pexp->val.args[0], n);
1036 if (pexp->operation == lor)
1037 return leftarg || plural_eval (pexp->val.args[1], n);
1038 else if (pexp->operation == land)
1039 return leftarg && plural_eval (pexp->val.args[1], n);
1042 unsigned long int rightarg = plural_eval (pexp->val.args[1], n);
1044 switch (pexp->operation)
1047 return leftarg * rightarg;
1049 return leftarg / rightarg;
1051 return leftarg % rightarg;
1053 return leftarg + rightarg;
1055 return leftarg - rightarg;
1057 return leftarg < rightarg;
1059 return leftarg > rightarg;
1061 return leftarg <= rightarg;
1062 case greater_or_equal:
1063 return leftarg >= rightarg;
1065 return leftarg == rightarg;
1067 return leftarg != rightarg;
1077 /* pexp->operation must be qmop. */
1078 unsigned long int boolarg = plural_eval (pexp->val.args[0], n);
1079 return plural_eval (pexp->val.args[boolarg ? 1 : 2], n);
1087 /* Return string representation of locale CATEGORY. */
1090 category_to_name (category)
1099 retval = "LC_COLLATE";
1104 retval = "LC_CTYPE";
1109 retval = "LC_MONETARY";
1114 retval = "LC_NUMERIC";
1124 retval = "LC_MESSAGES";
1129 retval = "LC_RESPONSE";
1134 /* This might not make sense but is perhaps better than any other
1140 /* If you have a better idea for a default value let me know. */
1147 /* Guess value of current locale from value of the environment variables. */
1150 guess_category_value (category, categoryname)
1152 const char *categoryname;
1154 const char *language;
1157 /* The highest priority value is the `LANGUAGE' environment
1158 variable. But we don't use the value if the currently selected
1159 locale is the C locale. This is a GNU extension. */
1160 language = getenv ("LANGUAGE");
1161 if (language != NULL && language[0] == '\0')
1164 /* We have to proceed with the POSIX methods of looking to `LC_ALL',
1165 `LC_xxx', and `LANG'. On some systems this can be done by the
1166 `setlocale' function itself. */
1167 #if defined _LIBC || (defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL)
1168 retval = setlocale (category, NULL);
1170 /* Setting of LC_ALL overwrites all other. */
1171 retval = getenv ("LC_ALL");
1172 if (retval == NULL || retval[0] == '\0')
1174 /* Next comes the name of the desired category. */
1175 retval = getenv (categoryname);
1176 if (retval == NULL || retval[0] == '\0')
1178 /* Last possibility is the LANG environment variable. */
1179 retval = getenv ("LANG");
1180 if (retval == NULL || retval[0] == '\0')
1181 /* We use C as the default domain. POSIX says this is
1182 implementation defined. */
1188 return language != NULL && strcmp (retval, "C") != 0 ? language : retval;
1191 /* @@ begin of epilog @@ */
1193 /* We don't want libintl.a to depend on any other library. So we
1194 avoid the non-standard function stpcpy. In GNU C Library this
1195 function is available, though. Also allow the symbol HAVE_STPCPY
1197 #if !_LIBC && !HAVE_STPCPY
1203 while ((*dest++ = *src++) != '\0')
1209 #if !_LIBC && !HAVE_MEMPCPY
1211 mempcpy (dest, src, n)
1216 return (void *) ((char *) memcpy (dest, src, n) + n);
1222 /* If we want to free all resources we have to do some work at
1224 static void __attribute__ ((unused))
1229 while (_nl_domain_bindings != NULL)
1231 struct binding *oldp = _nl_domain_bindings;
1232 _nl_domain_bindings = _nl_domain_bindings->next;
1233 if (oldp->dirname != _nl_default_dirname)
1234 /* Yes, this is a pointer comparison. */
1235 free (oldp->dirname);
1236 free (oldp->codeset);
1240 if (_nl_current_default_domain != _nl_default_default_domain)
1241 /* Yes, again a pointer comparison. */
1242 free ((char *) _nl_current_default_domain);
1244 /* Remove the search tree with the known translations. */
1245 __tdestroy (root, free);
1248 while (transmem_list != NULL)
1250 old = transmem_list;
1251 transmem_list = transmem_list->next;
1256 text_set_element (__libc_subfreeres, free_mem);