| /* Implementation of the internal dcigettext function. |
| Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* Tell glibc's <string.h> to provide a prototype for mempcpy(). |
| This must come before <config.h> because <config.h> may include |
| <features.h>, and once <features.h> has been included, it's too late. */ |
| #ifndef _GNU_SOURCE |
| # define _GNU_SOURCE 1 |
| #endif |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <sys/types.h> |
| |
| #ifdef __GNUC__ |
| # define alloca __builtin_alloca |
| # define HAVE_ALLOCA 1 |
| #else |
| # ifdef _MSC_VER |
| # include <malloc.h> |
| # define alloca _alloca |
| # else |
| # if defined HAVE_ALLOCA_H || defined _LIBC |
| # include <alloca.h> |
| # else |
| # ifdef _AIX |
| #pragma alloca |
| # else |
| # ifndef alloca |
| char *alloca (); |
| # endif |
| # endif |
| # endif |
| # endif |
| #endif |
| |
| #include <errno.h> |
| #ifndef errno |
| extern int errno; |
| #endif |
| #ifndef __set_errno |
| # define __set_errno(val) errno = (val) |
| #endif |
| |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #if defined HAVE_UNISTD_H || defined _LIBC |
| # include <unistd.h> |
| #endif |
| |
| #include <locale.h> |
| |
| #ifdef _LIBC |
| /* Guess whether integer division by zero raises signal SIGFPE. |
| Set to 1 only if you know for sure. In case of doubt, set to 0. */ |
| # if defined __alpha__ || defined __arm__ || defined __i386__ \ |
| || defined __m68k__ || defined __s390__ |
| # define INTDIV0_RAISES_SIGFPE 1 |
| # else |
| # define INTDIV0_RAISES_SIGFPE 0 |
| # endif |
| #endif |
| #if !INTDIV0_RAISES_SIGFPE |
| # include <signal.h> |
| #endif |
| |
| #if defined HAVE_SYS_PARAM_H || defined _LIBC |
| # include <sys/param.h> |
| #endif |
| |
| #if !defined _LIBC |
| # include "localcharset.h" |
| #endif |
| |
| #include "gettextP.h" |
| #include "plural-exp.h" |
| #ifdef _LIBC |
| # include <libintl.h> |
| #else |
| # ifdef IN_LIBGLOCALE |
| # include <libintl.h> |
| # endif |
| # include "libgnuintl.h" |
| #endif |
| #include "hash-string.h" |
| |
| /* Handle multi-threaded applications. */ |
| #ifdef _LIBC |
| # include <libc-lock.h> |
| # define gl_rwlock_define_initialized __libc_rwlock_define_initialized |
| # define gl_rwlock_rdlock __libc_rwlock_rdlock |
| # define gl_rwlock_wrlock __libc_rwlock_wrlock |
| # define gl_rwlock_unlock __libc_rwlock_unlock |
| #else |
| # include "lock.h" |
| #endif |
| |
| /* Alignment of types. */ |
| #if defined __GNUC__ && __GNUC__ >= 2 |
| # define alignof(TYPE) __alignof__ (TYPE) |
| #else |
| # define alignof(TYPE) \ |
| ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2) |
| #endif |
| |
| /* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */ |
| #ifndef offsetof |
| # define offsetof(type,ident) ((size_t)&(((type*)0)->ident)) |
| #endif |
| |
| /* @@ end of prolog @@ */ |
| |
| #ifdef _LIBC |
| /* Rename the non ANSI C functions. This is required by the standard |
| because some ANSI C functions will require linking with this object |
| file and the name space must not be polluted. */ |
| # define strdup __strdup |
| # define getcwd __getcwd |
| # ifndef stpcpy |
| # define stpcpy __stpcpy |
| # endif |
| # define tfind __tfind |
| #else |
| # if !defined HAVE_GETCWD |
| char *getwd (); |
| # define getcwd(buf, max) getwd (buf) |
| # else |
| # if VMS |
| # define getcwd(buf, max) (getcwd) (buf, max, 0) |
| # else |
| char *getcwd (); |
| # endif |
| # endif |
| # ifndef HAVE_STPCPY |
| static char *stpcpy (char *dest, const char *src); |
| # endif |
| # ifndef HAVE_MEMPCPY |
| static void *mempcpy (void *dest, const void *src, size_t n); |
| # endif |
| #endif |
| |
| /* Use a replacement if the system does not provide the `tsearch' function |
| family. */ |
| #if defined HAVE_TSEARCH || defined _LIBC |
| # include <search.h> |
| #else |
| # define tsearch libintl_tsearch |
| # define tfind libintl_tfind |
| # define tdelete libintl_tdelete |
| # define twalk libintl_twalk |
| # include "tsearch.h" |
| #endif |
| |
| #ifdef _LIBC |
| # define tsearch __tsearch |
| #endif |
| |
| /* Amount to increase buffer size by in each try. */ |
| #define PATH_INCR 32 |
| |
| /* The following is from pathmax.h. */ |
| /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define |
| PATH_MAX but might cause redefinition warnings when sys/param.h is |
| later included (as on MORE/BSD 4.3). */ |
| #if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__) |
| # include <limits.h> |
| #endif |
| |
| #ifndef _POSIX_PATH_MAX |
| # define _POSIX_PATH_MAX 255 |
| #endif |
| |
| #if !defined PATH_MAX && defined _PC_PATH_MAX |
| # define PATH_MAX (__pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : __pathconf ("/", _PC_PATH_MAX)) |
| #endif |
| |
| /* Don't include sys/param.h if it already has been. */ |
| #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN |
| # include <sys/param.h> |
| #endif |
| |
| #if !defined PATH_MAX && defined MAXPATHLEN |
| # define PATH_MAX MAXPATHLEN |
| #endif |
| |
| #ifndef PATH_MAX |
| # define PATH_MAX _POSIX_PATH_MAX |
| #endif |
| |
| /* Pathname support. |
| ISSLASH(C) tests whether C is a directory separator character. |
| IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, |
| it may be concatenated to a directory pathname. |
| IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. |
| */ |
| #if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ |
| /* Win32, Cygwin, OS/2, DOS */ |
| # define ISSLASH(C) ((C) == '/' || (C) == '\\') |
| # define HAS_DEVICE(P) \ |
| ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ |
| && (P)[1] == ':') |
| # define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) |
| # define IS_PATH_WITH_DIR(P) \ |
| (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) |
| #else |
| /* Unix */ |
| # define ISSLASH(C) ((C) == '/') |
| # define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) |
| # define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) |
| #endif |
| |
| /* Whether to support different locales in different threads. */ |
| #if defined _LIBC || HAVE_USELOCALE || defined IN_LIBGLOCALE |
| # define HAVE_PER_THREAD_LOCALE |
| #endif |
| |
| /* This is the type used for the search tree where known translations |
| are stored. */ |
| struct known_translation_t |
| { |
| /* Domain in which to search. */ |
| const char *domainname; |
| |
| /* The category. */ |
| int category; |
| |
| #ifdef HAVE_PER_THREAD_LOCALE |
| /* Name of the relevant locale category, or "" for the global locale. */ |
| const char *localename; |
| #endif |
| |
| #ifdef IN_LIBGLOCALE |
| /* The character encoding. */ |
| const char *encoding; |
| #endif |
| |
| /* State of the catalog counter at the point the string was found. */ |
| int counter; |
| |
| /* Catalog where the string was found. */ |
| struct loaded_l10nfile *domain; |
| |
| /* And finally the translation. */ |
| const char *translation; |
| size_t translation_length; |
| |
| /* Pointer to the string in question. */ |
| union |
| { |
| char appended[ZERO]; /* used if domain != NULL */ |
| const char *ptr; /* used if domain == NULL */ |
| } |
| msgid; |
| }; |
| |
| gl_rwlock_define_initialized (static, tree_lock) |
| |
| /* Root of the search tree with known translations. */ |
| static void *root; |
| |
| /* Function to compare two entries in the table of known translations. */ |
| static int |
| transcmp (const void *p1, const void *p2) |
| { |
| const struct known_translation_t *s1; |
| const struct known_translation_t *s2; |
| int result; |
| |
| s1 = (const struct known_translation_t *) p1; |
| s2 = (const struct known_translation_t *) p2; |
| |
| result = strcmp (s1->domain != NULL ? s1->msgid.appended : s1->msgid.ptr, |
| s2->domain != NULL ? s2->msgid.appended : s2->msgid.ptr); |
| if (result == 0) |
| { |
| result = strcmp (s1->domainname, s2->domainname); |
| if (result == 0) |
| { |
| #ifdef HAVE_PER_THREAD_LOCALE |
| result = strcmp (s1->localename, s2->localename); |
| if (result == 0) |
| #endif |
| { |
| #ifdef IN_LIBGLOCALE |
| result = strcmp (s1->encoding, s2->encoding); |
| if (result == 0) |
| #endif |
| /* We compare the category last (though this is the cheapest |
| operation) since it is hopefully always the same (namely |
| LC_MESSAGES). */ |
| result = s1->category - s2->category; |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| /* Name of the default domain used for gettext(3) prior any call to |
| textdomain(3). The default value for this is "messages". */ |
| const char _nl_default_default_domain[] attribute_hidden = "messages"; |
| |
| #ifndef IN_LIBGLOCALE |
| /* Value used as the default domain for gettext(3). */ |
| const char *_nl_current_default_domain attribute_hidden |
| = _nl_default_default_domain; |
| #endif |
| |
| /* Contains the default location of the message catalogs. */ |
| #if defined __EMX__ |
| extern const char _nl_default_dirname[]; |
| #else |
| # ifdef _LIBC |
| extern const char _nl_default_dirname[]; |
| libc_hidden_proto (_nl_default_dirname) |
| # endif |
| const char _nl_default_dirname[] = LOCALEDIR; |
| # ifdef _LIBC |
| libc_hidden_data_def (_nl_default_dirname) |
| # endif |
| #endif |
| |
| #ifndef IN_LIBGLOCALE |
| /* List with bindings of specific domains created by bindtextdomain() |
| calls. */ |
| struct binding *_nl_domain_bindings; |
| #endif |
| |
| /* Prototypes for local functions. */ |
| static char *plural_lookup (struct loaded_l10nfile *domain, |
| unsigned long int n, |
| const char *translation, size_t translation_len); |
| |
| #ifdef IN_LIBGLOCALE |
| static const char *guess_category_value (int category, |
| const char *categoryname, |
| const char *localename); |
| #else |
| static const char *guess_category_value (int category, |
| const char *categoryname); |
| #endif |
| |
| #ifdef _LIBC |
| # include "../locale/localeinfo.h" |
| # define category_to_name(category) \ |
| _nl_category_names.str + _nl_category_name_idxs[category] |
| #else |
| static const char *category_to_name (int category); |
| #endif |
| #if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE |
| static const char *get_output_charset (struct binding *domainbinding); |
| #endif |
| |
| |
| /* For those losing systems which don't have `alloca' we have to add |
| some additional code emulating it. */ |
| #ifdef HAVE_ALLOCA |
| /* Nothing has to be done. */ |
| # define freea(p) /* nothing */ |
| # define ADD_BLOCK(list, address) /* nothing */ |
| # define FREE_BLOCKS(list) /* nothing */ |
| #else |
| struct block_list |
| { |
| void *address; |
| struct block_list *next; |
| }; |
| # define ADD_BLOCK(list, addr) \ |
| do { \ |
| struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ |
| /* If we cannot get a free block we cannot add the new element to \ |
| the list. */ \ |
| if (newp != NULL) { \ |
| newp->address = (addr); \ |
| newp->next = (list); \ |
| (list) = newp; \ |
| } \ |
| } while (0) |
| # define FREE_BLOCKS(list) \ |
| do { \ |
| while (list != NULL) { \ |
| struct block_list *old = list; \ |
| list = list->next; \ |
| free (old->address); \ |
| free (old); \ |
| } \ |
| } while (0) |
| # undef alloca |
| # define alloca(size) (malloc (size)) |
| # define freea(p) free (p) |
| #endif /* have alloca */ |
| |
| |
| #ifdef _LIBC |
| /* List of blocks allocated for translations. */ |
| typedef struct transmem_list |
| { |
| struct transmem_list *next; |
| char data[ZERO]; |
| } transmem_block_t; |
| static struct transmem_list *transmem_list; |
| #else |
| typedef unsigned char transmem_block_t; |
| #endif |
| |
| |
| /* Names for the libintl functions are a problem. They must not clash |
| with existing names and they should follow ANSI C. But this source |
| code is also used in GNU C Library where the names have a __ |
| prefix. So we have to make a difference here. */ |
| #ifdef _LIBC |
| # define DCIGETTEXT __dcigettext |
| #else |
| # define DCIGETTEXT libintl_dcigettext |
| #endif |
| |
| /* Lock variable to protect the global data in the gettext implementation. */ |
| gl_rwlock_define_initialized (, _nl_state_lock attribute_hidden) |
| |
| /* Checking whether the binaries runs SUID must be done and glibc provides |
| easier methods therefore we make a difference here. */ |
| #ifdef _LIBC |
| # define ENABLE_SECURE __libc_enable_secure |
| # define DETERMINE_SECURE |
| #else |
| # ifndef HAVE_GETUID |
| # define getuid() 0 |
| # endif |
| # ifndef HAVE_GETGID |
| # define getgid() 0 |
| # endif |
| # ifndef HAVE_GETEUID |
| # define geteuid() getuid() |
| # endif |
| # ifndef HAVE_GETEGID |
| # define getegid() getgid() |
| # endif |
| static int enable_secure; |
| # define ENABLE_SECURE (enable_secure == 1) |
| # define DETERMINE_SECURE \ |
| if (enable_secure == 0) \ |
| { \ |
| if (getuid () != geteuid () || getgid () != getegid ()) \ |
| enable_secure = 1; \ |
| else \ |
| enable_secure = -1; \ |
| } |
| #endif |
| |
| /* Get the function to evaluate the plural expression. */ |
| #include "eval-plural.h" |
| |
| /* Look up MSGID in the DOMAINNAME message catalog for the current |
| CATEGORY locale and, if PLURAL is nonzero, search over string |
| depending on the plural form determined by N. */ |
| #ifdef IN_LIBGLOCALE |
| char * |
| gl_dcigettext (const char *domainname, |
| const char *msgid1, const char *msgid2, |
| int plural, unsigned long int n, |
| int category, |
| const char *localename, const char *encoding) |
| #else |
| char * |
| DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2, |
| int plural, unsigned long int n, int category) |
| #endif |
| { |
| #ifndef HAVE_ALLOCA |
| struct block_list *block_list = NULL; |
| #endif |
| struct loaded_l10nfile *domain; |
| struct binding *binding; |
| const char *categoryname; |
| const char *categoryvalue; |
| const char *dirname; |
| char *xdirname = NULL; |
| char *xdomainname; |
| char *single_locale; |
| char *retval; |
| size_t retlen; |
| int saved_errno; |
| struct known_translation_t search; |
| struct known_translation_t **foundp = NULL; |
| #if defined HAVE_PER_THREAD_LOCALE && !defined IN_LIBGLOCALE |
| const char *localename; |
| #endif |
| size_t domainname_len; |
| |
| /* If no real MSGID is given return NULL. */ |
| if (msgid1 == NULL) |
| return NULL; |
| |
| #ifdef _LIBC |
| if (category < 0 || category >= __LC_LAST || category == LC_ALL) |
| /* Bogus. */ |
| return (plural == 0 |
| ? (char *) msgid1 |
| /* Use the Germanic plural rule. */ |
| : n == 1 ? (char *) msgid1 : (char *) msgid2); |
| #endif |
| |
| /* Preserve the `errno' value. */ |
| saved_errno = errno; |
| |
| #ifdef _LIBC |
| __libc_rwlock_define (extern, __libc_setlocale_lock attribute_hidden) |
| __libc_rwlock_rdlock (__libc_setlocale_lock); |
| #endif |
| |
| gl_rwlock_rdlock (_nl_state_lock); |
| |
| /* If DOMAINNAME is NULL, we are interested in the default domain. If |
| CATEGORY is not LC_MESSAGES this might not make much sense but the |
| definition left this undefined. */ |
| if (domainname == NULL) |
| domainname = _nl_current_default_domain; |
| |
| /* OS/2 specific: backward compatibility with older libintl versions */ |
| #ifdef LC_MESSAGES_COMPAT |
| if (category == LC_MESSAGES_COMPAT) |
| category = LC_MESSAGES; |
| #endif |
| |
| /* Try to find the translation among those which we found at |
| some time. */ |
| search.domain = NULL; |
| search.msgid.ptr = msgid1; |
| search.domainname = domainname; |
| search.category = category; |
| #ifdef HAVE_PER_THREAD_LOCALE |
| # ifndef IN_LIBGLOCALE |
| # ifdef _LIBC |
| localename = __current_locale_name (category); |
| # else |
| categoryname = category_to_name (category); |
| # define CATEGORYNAME_INITIALIZED |
| localename = _nl_locale_name_thread_unsafe (category, categoryname); |
| if (localename == NULL) |
| localename = ""; |
| # endif |
| # endif |
| search.localename = localename; |
| # ifdef IN_LIBGLOCALE |
| search.encoding = encoding; |
| # endif |
| |
| /* Since tfind/tsearch manage a balanced tree, concurrent tfind and |
| tsearch calls can be fatal. */ |
| gl_rwlock_rdlock (tree_lock); |
| |
| foundp = (struct known_translation_t **) tfind (&search, &root, transcmp); |
| |
| gl_rwlock_unlock (tree_lock); |
| |
| if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr) |
| { |
| /* Now deal with plural. */ |
| if (plural) |
| retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation, |
| (*foundp)->translation_length); |
| else |
| retval = (char *) (*foundp)->translation; |
| |
| gl_rwlock_unlock (_nl_state_lock); |
| # ifdef _LIBC |
| __libc_rwlock_unlock (__libc_setlocale_lock); |
| # endif |
| __set_errno (saved_errno); |
| return retval; |
| } |
| #endif |
| |
| /* See whether this is a SUID binary or not. */ |
| DETERMINE_SECURE; |
| |
| /* First find matching binding. */ |
| #ifdef IN_LIBGLOCALE |
| /* We can use a trivial binding, since _nl_find_msg will ignore it anyway, |
| and _nl_load_domain and _nl_find_domain just pass it through. */ |
| binding = NULL; |
| dirname = bindtextdomain (domainname, NULL); |
| #else |
| for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) |
| { |
| int compare = strcmp (domainname, binding->domainname); |
| if (compare == 0) |
| /* We found it! */ |
| break; |
| if (compare < 0) |
| { |
| /* It is not in the list. */ |
| binding = NULL; |
| break; |
| } |
| } |
| |
| if (binding == NULL) |
| dirname = _nl_default_dirname; |
| else |
| { |
| dirname = binding->dirname; |
| #endif |
| if (!IS_ABSOLUTE_PATH (dirname)) |
| { |
| /* We have a relative path. Make it absolute now. */ |
| char *cwd = getcwd (NULL, 0); |
| if (cwd == NULL) |
| /* We cannot get the current working directory. Don't |
| signal an error but simply return the default |
| string. */ |
| goto return_untranslated; |
| int ret = __asprintf (&xdirname, "%s/%s", cwd, dirname); |
| free (cwd); |
| if (ret < 0) |
| return NULL; |
| dirname = xdirname; |
| } |
| #ifndef IN_LIBGLOCALE |
| } |
| #endif |
| |
| /* Now determine the symbolic name of CATEGORY and its value. */ |
| #ifndef CATEGORYNAME_INITIALIZED |
| categoryname = category_to_name (category); |
| #endif |
| #ifdef IN_LIBGLOCALE |
| categoryvalue = guess_category_value (category, categoryname, localename); |
| #else |
| categoryvalue = guess_category_value (category, categoryname); |
| #endif |
| |
| domainname_len = strlen (domainname); |
| xdomainname = (char *) alloca (strlen (categoryname) |
| + domainname_len + 5); |
| ADD_BLOCK (block_list, xdomainname); |
| |
| stpcpy ((char *) mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"), |
| domainname, domainname_len), |
| ".mo"); |
| |
| /* Creating working area. */ |
| single_locale = (char *) alloca (strlen (categoryvalue) + 1); |
| ADD_BLOCK (block_list, single_locale); |
| |
| |
| /* Search for the given string. This is a loop because we perhaps |
| got an ordered list of languages to consider for the translation. */ |
| while (1) |
| { |
| /* Make CATEGORYVALUE point to the next element of the list. */ |
| while (categoryvalue[0] != '\0' && categoryvalue[0] == ':') |
| ++categoryvalue; |
| if (categoryvalue[0] == '\0') |
| { |
| /* The whole contents of CATEGORYVALUE has been searched but |
| no valid entry has been found. We solve this situation |
| by implicitly appending a "C" entry, i.e. no translation |
| will take place. */ |
| single_locale[0] = 'C'; |
| single_locale[1] = '\0'; |
| } |
| else |
| { |
| char *cp = single_locale; |
| while (categoryvalue[0] != '\0' && categoryvalue[0] != ':') |
| *cp++ = *categoryvalue++; |
| *cp = '\0'; |
| |
| /* When this is a SUID binary we must not allow accessing files |
| outside the dedicated directories. */ |
| if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale)) |
| /* Ingore this entry. */ |
| continue; |
| } |
| |
| /* If the current locale value is C (or POSIX) we don't load a |
| domain. Return the MSGID. */ |
| if (strcmp (single_locale, "C") == 0 |
| || strcmp (single_locale, "POSIX") == 0) |
| break; |
| |
| /* Find structure describing the message catalog matching the |
| DOMAINNAME and CATEGORY. */ |
| domain = _nl_find_domain (dirname, single_locale, xdomainname, binding); |
| |
| if (domain != NULL) |
| { |
| #if defined IN_LIBGLOCALE |
| retval = _nl_find_msg (domain, binding, encoding, msgid1, &retlen); |
| #else |
| retval = _nl_find_msg (domain, binding, msgid1, 1, &retlen); |
| #endif |
| |
| if (retval == NULL) |
| { |
| int cnt; |
| |
| for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) |
| { |
| #if defined IN_LIBGLOCALE |
| retval = _nl_find_msg (domain->successor[cnt], binding, |
| encoding, msgid1, &retlen); |
| #else |
| retval = _nl_find_msg (domain->successor[cnt], binding, |
| msgid1, 1, &retlen); |
| #endif |
| |
| /* Resource problems are not fatal, instead we return no |
| translation. */ |
| if (__builtin_expect (retval == (char *) -1, 0)) |
| goto return_untranslated; |
| |
| if (retval != NULL) |
| { |
| domain = domain->successor[cnt]; |
| break; |
| } |
| } |
| } |
| |
| /* Returning -1 means that some resource problem exists |
| (likely memory) and that the strings could not be |
| converted. Return the original strings. */ |
| if (__builtin_expect (retval == (char *) -1, 0)) |
| break; |
| |
| if (retval != NULL) |
| { |
| /* Found the translation of MSGID1 in domain DOMAIN: |
| starting at RETVAL, RETLEN bytes. */ |
| free (xdirname); |
| FREE_BLOCKS (block_list); |
| if (foundp == NULL) |
| { |
| /* Create a new entry and add it to the search tree. */ |
| size_t msgid_len; |
| size_t size; |
| struct known_translation_t *newp; |
| |
| msgid_len = strlen (msgid1) + 1; |
| size = offsetof (struct known_translation_t, msgid) |
| + msgid_len + domainname_len + 1; |
| #ifdef HAVE_PER_THREAD_LOCALE |
| size += strlen (localename) + 1; |
| #endif |
| newp = (struct known_translation_t *) malloc (size); |
| if (newp != NULL) |
| { |
| char *new_domainname; |
| #ifdef HAVE_PER_THREAD_LOCALE |
| char *new_localename; |
| #endif |
| |
| new_domainname = |
| (char *) mempcpy (newp->msgid.appended, msgid1, |
| msgid_len); |
| memcpy (new_domainname, domainname, domainname_len + 1); |
| #ifdef HAVE_PER_THREAD_LOCALE |
| new_localename = new_domainname + domainname_len + 1; |
| strcpy (new_localename, localename); |
| #endif |
| newp->domainname = new_domainname; |
| newp->category = category; |
| #ifdef HAVE_PER_THREAD_LOCALE |
| newp->localename = new_localename; |
| #endif |
| #ifdef IN_LIBGLOCALE |
| newp->encoding = encoding; |
| #endif |
| newp->counter = _nl_msg_cat_cntr; |
| newp->domain = domain; |
| newp->translation = retval; |
| newp->translation_length = retlen; |
| |
| gl_rwlock_wrlock (tree_lock); |
| |
| /* Insert the entry in the search tree. */ |
| foundp = (struct known_translation_t **) |
| tsearch (newp, &root, transcmp); |
| |
| gl_rwlock_unlock (tree_lock); |
| |
| if (foundp == NULL |
| || __builtin_expect (*foundp != newp, 0)) |
| /* The insert failed. */ |
| free (newp); |
| } |
| } |
| else |
| { |
| /* We can update the existing entry. */ |
| (*foundp)->counter = _nl_msg_cat_cntr; |
| (*foundp)->domain = domain; |
| (*foundp)->translation = retval; |
| (*foundp)->translation_length = retlen; |
| } |
| |
| __set_errno (saved_errno); |
| |
| /* Now deal with plural. */ |
| if (plural) |
| retval = plural_lookup (domain, n, retval, retlen); |
| |
| gl_rwlock_unlock (_nl_state_lock); |
| #ifdef _LIBC |
| __libc_rwlock_unlock (__libc_setlocale_lock); |
| #endif |
| return retval; |
| } |
| } |
| } |
| |
| return_untranslated: |
| /* Return the untranslated MSGID. */ |
| free (xdirname); |
| FREE_BLOCKS (block_list); |
| gl_rwlock_unlock (_nl_state_lock); |
| #ifdef _LIBC |
| __libc_rwlock_unlock (__libc_setlocale_lock); |
| #endif |
| #ifndef _LIBC |
| if (!ENABLE_SECURE) |
| { |
| extern void _nl_log_untranslated (const char *logfilename, |
| const char *domainname, |
| const char *msgid1, const char *msgid2, |
| int plural); |
| const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED"); |
| |
| if (logfilename != NULL && logfilename[0] != '\0') |
| _nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural); |
| } |
| #endif |
| __set_errno (saved_errno); |
| return (plural == 0 |
| ? (char *) msgid1 |
| /* Use the Germanic plural rule. */ |
| : n == 1 ? (char *) msgid1 : (char *) msgid2); |
| } |
| |
| |
| /* Look up the translation of msgid within DOMAIN_FILE and DOMAINBINDING. |
| Return it if found. Return NULL if not found or in case of a conversion |
| failure (problem in the particular message catalog). Return (char *) -1 |
| in case of a memory allocation failure during conversion (only if |
| ENCODING != NULL resp. CONVERT == true). */ |
| char * |
| #ifdef IN_LIBGLOCALE |
| _nl_find_msg (struct loaded_l10nfile *domain_file, |
| struct binding *domainbinding, const char *encoding, |
| const char *msgid, |
| size_t *lengthp) |
| #else |
| _nl_find_msg (struct loaded_l10nfile *domain_file, |
| struct binding *domainbinding, |
| const char *msgid, int convert, |
| size_t *lengthp) |
| #endif |
| { |
| struct loaded_domain *domain; |
| nls_uint32 nstrings; |
| size_t act; |
| char *result; |
| size_t resultlen; |
| |
| if (domain_file->decided <= 0) |
| _nl_load_domain (domain_file, domainbinding); |
| |
| if (domain_file->data == NULL) |
| return NULL; |
| |
| domain = (struct loaded_domain *) domain_file->data; |
| |
| nstrings = domain->nstrings; |
| |
| /* Locate the MSGID and its translation. */ |
| if (domain->hash_tab != NULL) |
| { |
| /* Use the hashing table. */ |
| nls_uint32 len = strlen (msgid); |
| nls_uint32 hash_val = __hash_string (msgid); |
| nls_uint32 idx = hash_val % domain->hash_size; |
| nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2)); |
| |
| while (1) |
| { |
| nls_uint32 nstr = |
| W (domain->must_swap_hash_tab, domain->hash_tab[idx]); |
| |
| if (nstr == 0) |
| /* Hash table entry is empty. */ |
| return NULL; |
| |
| nstr--; |
| |
| /* Compare msgid with the original string at index nstr. |
| We compare the lengths with >=, not ==, because plural entries |
| are represented by strings with an embedded NUL. */ |
| if (nstr < nstrings |
| ? W (domain->must_swap, domain->orig_tab[nstr].length) >= len |
| && (strcmp (msgid, |
| domain->data + W (domain->must_swap, |
| domain->orig_tab[nstr].offset)) |
| == 0) |
| : domain->orig_sysdep_tab[nstr - nstrings].length > len |
| && (strcmp (msgid, |
| domain->orig_sysdep_tab[nstr - nstrings].pointer) |
| == 0)) |
| { |
| act = nstr; |
| goto found; |
| } |
| |
| if (idx >= domain->hash_size - incr) |
| idx -= domain->hash_size - incr; |
| else |
| idx += incr; |
| } |
| /* NOTREACHED */ |
| } |
| else |
| { |
| /* Try the default method: binary search in the sorted array of |
| messages. */ |
| size_t top, bottom; |
| |
| bottom = 0; |
| top = nstrings; |
| while (bottom < top) |
| { |
| int cmp_val; |
| |
| act = (bottom + top) / 2; |
| cmp_val = strcmp (msgid, (domain->data |
| + W (domain->must_swap, |
| domain->orig_tab[act].offset))); |
| if (cmp_val < 0) |
| top = act; |
| else if (cmp_val > 0) |
| bottom = act + 1; |
| else |
| goto found; |
| } |
| /* No translation was found. */ |
| return NULL; |
| } |
| |
| found: |
| /* The translation was found at index ACT. If we have to convert the |
| string to use a different character set, this is the time. */ |
| if (act < nstrings) |
| { |
| result = (char *) |
| (domain->data + W (domain->must_swap, domain->trans_tab[act].offset)); |
| resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1; |
| } |
| else |
| { |
| result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer; |
| resultlen = domain->trans_sysdep_tab[act - nstrings].length; |
| } |
| |
| #if defined _LIBC || HAVE_ICONV |
| # ifdef IN_LIBGLOCALE |
| if (encoding != NULL) |
| # else |
| if (convert) |
| # endif |
| { |
| /* We are supposed to do a conversion. */ |
| # ifndef IN_LIBGLOCALE |
| const char *encoding = get_output_charset (domainbinding); |
| # endif |
| size_t nconversions; |
| struct converted_domain *convd; |
| size_t i; |
| |
| /* Protect against reallocation of the table. */ |
| gl_rwlock_rdlock (domain->conversions_lock); |
| |
| /* Search whether a table with converted translations for this |
| encoding has already been allocated. */ |
| nconversions = domain->nconversions; |
| convd = NULL; |
| |
| for (i = nconversions; i > 0; ) |
| { |
| i--; |
| if (strcmp (domain->conversions[i].encoding, encoding) == 0) |
| { |
| convd = &domain->conversions[i]; |
| break; |
| } |
| } |
| |
| gl_rwlock_unlock (domain->conversions_lock); |
| |
| if (convd == NULL) |
| { |
| /* We have to allocate a new conversions table. */ |
| gl_rwlock_wrlock (domain->conversions_lock); |
| nconversions = domain->nconversions; |
| |
| /* Maybe in the meantime somebody added the translation. |
| Recheck. */ |
| for (i = nconversions; i > 0; ) |
| { |
| i--; |
| if (strcmp (domain->conversions[i].encoding, encoding) == 0) |
| { |
| convd = &domain->conversions[i]; |
| goto found_convd; |
| } |
| } |
| |
| { |
| /* Allocate a table for the converted translations for this |
| encoding. */ |
| struct converted_domain *new_conversions = |
| (struct converted_domain *) |
| (domain->conversions != NULL |
| ? realloc (domain->conversions, |
| (nconversions + 1) * sizeof (struct converted_domain)) |
| : malloc ((nconversions + 1) * sizeof (struct converted_domain))); |
| |
| if (__builtin_expect (new_conversions == NULL, 0)) |
| { |
| /* Nothing we can do, no more memory. We cannot use the |
| translation because it might be encoded incorrectly. */ |
| unlock_fail: |
| gl_rwlock_unlock (domain->conversions_lock); |
| return (char *) -1; |
| } |
| |
| domain->conversions = new_conversions; |
| |
| /* Copy the 'encoding' string to permanent storage. */ |
| encoding = strdup (encoding); |
| if (__builtin_expect (encoding == NULL, 0)) |
| /* Nothing we can do, no more memory. We cannot use the |
| translation because it might be encoded incorrectly. */ |
| goto unlock_fail; |
| |
| convd = &new_conversions[nconversions]; |
| convd->encoding = encoding; |
| |
| /* Find out about the character set the file is encoded with. |
| This can be found (in textual form) in the entry "". If this |
| entry does not exist or if this does not contain the 'charset=' |
| information, we will assume the charset matches the one the |
| current locale and we don't have to perform any conversion. */ |
| # ifdef _LIBC |
| convd->conv = (__gconv_t) -1; |
| # else |
| # if HAVE_ICONV |
| convd->conv = (iconv_t) -1; |
| # endif |
| # endif |
| { |
| char *nullentry; |
| size_t nullentrylen; |
| |
| /* Get the header entry. This is a recursion, but it doesn't |
| reallocate domain->conversions because we pass |
| encoding = NULL or convert = 0, respectively. */ |
| nullentry = |
| # ifdef IN_LIBGLOCALE |
| _nl_find_msg (domain_file, domainbinding, NULL, "", |
| &nullentrylen); |
| # else |
| _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen); |
| # endif |
| |
| /* Resource problems are fatal. If we continue onwards we will |
| only attempt to calloc a new conv_tab and fail later. */ |
| if (__builtin_expect (nullentry == (char *) -1, 0)) |
| return (char *) -1; |
| |
| if (nullentry != NULL) |
| { |
| const char *charsetstr; |
| |
| charsetstr = strstr (nullentry, "charset="); |
| if (charsetstr != NULL) |
| { |
| size_t len; |
| char *charset; |
| const char *outcharset; |
| |
| charsetstr += strlen ("charset="); |
| len = strcspn (charsetstr, " \t\n"); |
| |
| charset = (char *) alloca (len + 1); |
| # if defined _LIBC || HAVE_MEMPCPY |
| *((char *) mempcpy (charset, charsetstr, len)) = '\0'; |
| # else |
| memcpy (charset, charsetstr, len); |
| charset[len] = '\0'; |
| # endif |
| |
| outcharset = encoding; |
| |
| # ifdef _LIBC |
| |
| struct gconv_spec conv_spec; |
| |
| __gconv_create_spec (&conv_spec, charset, outcharset); |
| |
| /* We always want to use transliteration. */ |
| conv_spec.translit = true; |
| |
| int r = __gconv_open (&conv_spec, &convd->conv, |
| GCONV_AVOID_NOCONV); |
| |
| __gconv_destroy_spec (&conv_spec); |
| |
| if (__builtin_expect (r != __GCONV_OK, 0)) |
| { |
| /* If the output encoding is the same there is |
| nothing to do. Otherwise do not use the |
| translation at all. */ |
| if (__builtin_expect (r != __GCONV_NULCONV, 1)) |
| { |
| gl_rwlock_unlock (domain->conversions_lock); |
| free ((char *) encoding); |
| return NULL; |
| } |
| |
| convd->conv = (__gconv_t) -1; |
| } |
| # else |
| # if HAVE_ICONV |
| /* When using GNU libc >= 2.2 or GNU libiconv >= 1.5, |
| we want to use transliteration. */ |
| # if (((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2) \ |
| && !defined __UCLIBC__) \ |
| || _LIBICONV_VERSION >= 0x0105 |
| if (strchr (outcharset, '/') == NULL) |
| { |
| char *tmp; |
| |
| len = strlen (outcharset); |
| tmp = (char *) alloca (len + 10 + 1); |
| memcpy (tmp, outcharset, len); |
| memcpy (tmp + len, "//TRANSLIT", 10 + 1); |
| outcharset = tmp; |
| |
| convd->conv = iconv_open (outcharset, charset); |
| |
| freea (outcharset); |
| } |
| else |
| # endif |
| convd->conv = iconv_open (outcharset, charset); |
| # endif |
| # endif |
| |
| freea (charset); |
| } |
| } |
| } |
| convd->conv_tab = NULL; |
| /* Here domain->conversions is still == new_conversions. */ |
| domain->nconversions++; |
| } |
| |
| found_convd: |
| gl_rwlock_unlock (domain->conversions_lock); |
| } |
| |
| if ( |
| # ifdef _LIBC |
| convd->conv != (__gconv_t) -1 |
| # else |
| # if HAVE_ICONV |
| convd->conv != (iconv_t) -1 |
| # endif |
| # endif |
| ) |
| { |
| /* We are supposed to do a conversion. First allocate an |
| appropriate table with the same structure as the table |
| of translations in the file, where we can put the pointers |
| to the converted strings in. |
| There is a slight complication with plural entries. They |
| are represented by consecutive NUL terminated strings. We |
| handle this case by converting RESULTLEN bytes, including |
| NULs. */ |
| |
| /* This lock primarily protects the memory management variables |
| freemem, freemem_size. It also protects write accesses to |
| convd->conv_tab. It's not worth using a separate lock (such |
| as domain->conversions_lock) for this purpose, because when |
| modifying convd->conv_tab, we also need to lock freemem, |
| freemem_size for most of the time. */ |
| __libc_lock_define_initialized (static, lock) |
| |
| if (__builtin_expect (convd->conv_tab == NULL, 0)) |
| { |
| __libc_lock_lock (lock); |
| if (convd->conv_tab == NULL) |
| { |
| convd->conv_tab = |
| (char **) calloc (nstrings + domain->n_sysdep_strings, |
| sizeof (char *)); |
| if (convd->conv_tab != NULL) |
| goto not_translated_yet; |
| /* Mark that we didn't succeed allocating a table. */ |
| convd->conv_tab = (char **) -1; |
| } |
| __libc_lock_unlock (lock); |
| } |
| |
| if (__builtin_expect (convd->conv_tab == (char **) -1, 0)) |
| /* Nothing we can do, no more memory. We cannot use the |
| translation because it might be encoded incorrectly. */ |
| return (char *) -1; |
| |
| if (convd->conv_tab[act] == NULL) |
| { |
| /* We haven't used this string so far, so it is not |
| translated yet. Do this now. */ |
| /* We use a bit more efficient memory handling. |
| We allocate always larger blocks which get used over |
| time. This is faster than many small allocations. */ |
| # define INITIAL_BLOCK_SIZE 4080 |
| static unsigned char *freemem; |
| static size_t freemem_size; |
| |
| const unsigned char *inbuf; |
| unsigned char *outbuf; |
| int malloc_count; |
| # ifndef _LIBC |
| transmem_block_t *transmem_list; |
| # endif |
| |
| __libc_lock_lock (lock); |
| not_translated_yet: |
| |
| inbuf = (const unsigned char *) result; |
| outbuf = freemem + sizeof (size_t); |
| # ifndef _LIBC |
| transmem_list = NULL; |
| # endif |
| |
| malloc_count = 0; |
| while (1) |
| { |
| transmem_block_t *newmem; |
| # ifdef _LIBC |
| size_t non_reversible; |
| int res; |
| |
| if (freemem_size < sizeof (size_t)) |
| goto resize_freemem; |
| |
| res = __gconv (convd->conv, |
| &inbuf, inbuf + resultlen, |
| &outbuf, |
| outbuf + freemem_size - sizeof (size_t), |
| &non_reversible); |
| |
| if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT) |
| break; |
| |
| if (res != __GCONV_FULL_OUTPUT) |
| { |
| /* We should not use the translation at all, it |
| is incorrectly encoded. */ |
| __libc_lock_unlock (lock); |
| return NULL; |
| } |
| |
| inbuf = (const unsigned char *) result; |
| # else |
| # if HAVE_ICONV |
| const char *inptr = (const char *) inbuf; |
| size_t inleft = resultlen; |
| char *outptr = (char *) outbuf; |
| size_t outleft; |
| |
| if (freemem_size < sizeof (size_t)) |
| goto resize_freemem; |
| |
| outleft = freemem_size - sizeof (size_t); |
| if (iconv (convd->conv, |
| (ICONV_CONST char **) &inptr, &inleft, |
| &outptr, &outleft) |
| != (size_t) (-1)) |
| { |
| outbuf = (unsigned char *) outptr; |
| break; |
| } |
| if (errno != E2BIG) |
| { |
| __libc_lock_unlock (lock); |
| return NULL; |
| } |
| # endif |
| # endif |
| |
| resize_freemem: |
| /* We must allocate a new buffer or resize the old one. */ |
| if (malloc_count > 0) |
| { |
| ++malloc_count; |
| freemem_size = malloc_count * INITIAL_BLOCK_SIZE; |
| newmem = (transmem_block_t *) realloc (transmem_list, |
| freemem_size); |
| # ifdef _LIBC |
| if (newmem != NULL) |
| transmem_list = newmem; |
| else |
| { |
| struct transmem_list *old = transmem_list; |
| |
| transmem_list = transmem_list->next; |
| free (old); |
| } |
| # endif |
| } |
| else |
| { |
| malloc_count = 1; |
| freemem_size = INITIAL_BLOCK_SIZE; |
| newmem = (transmem_block_t *) malloc (freemem_size); |
| # ifdef _LIBC |
| if (newmem != NULL) |
| { |
| /* Add the block to the list of blocks we have to free |
| at some point. */ |
| newmem->next = transmem_list; |
| transmem_list = newmem; |
| } |
| /* Fall through and return -1. */ |
| # endif |
| } |
| if (__builtin_expect (newmem == NULL, 0)) |
| { |
| freemem = NULL; |
| freemem_size = 0; |
| __libc_lock_unlock (lock); |
| return (char *) -1; |
| } |
| |
| # ifdef _LIBC |
| freemem = (unsigned char *) newmem->data; |
| freemem_size -= offsetof (struct transmem_list, data); |
| # else |
| transmem_list = newmem; |
| freemem = newmem; |
| # endif |
| |
| outbuf = freemem + sizeof (size_t); |
| } |
| |
| /* We have now in our buffer a converted string. Put this |
| into the table of conversions. */ |
| *(size_t *) freemem = outbuf - freemem - sizeof (size_t); |
| convd->conv_tab[act] = (char *) freemem; |
| /* Shrink freemem, but keep it aligned. */ |
| freemem_size -= outbuf - freemem; |
| freemem = outbuf; |
| freemem += freemem_size & (alignof (size_t) - 1); |
| freemem_size = freemem_size & ~ (alignof (size_t) - 1); |
| |
| __libc_lock_unlock (lock); |
| } |
| |
| /* Now convd->conv_tab[act] contains the translation of all |
| the plural variants. */ |
| result = convd->conv_tab[act] + sizeof (size_t); |
| resultlen = *(size_t *) convd->conv_tab[act]; |
| } |
| } |
| |
| /* The result string is converted. */ |
| |
| #endif /* _LIBC || HAVE_ICONV */ |
| |
| *lengthp = resultlen; |
| return result; |
| } |
| |
| |
| /* Look up a plural variant. */ |
| static char * |
| plural_lookup (struct loaded_l10nfile *domain, unsigned long int n, |
| const char *translation, size_t translation_len) |
| { |
| struct loaded_domain *domaindata = (struct loaded_domain *) domain->data; |
| unsigned long int index; |
| const char *p; |
| |
| index = plural_eval (domaindata->plural, n); |
| if (index >= domaindata->nplurals) |
| /* This should never happen. It means the plural expression and the |
| given maximum value do not match. */ |
| index = 0; |
| |
| /* Skip INDEX strings at TRANSLATION. */ |
| p = translation; |
| while (index-- > 0) |
| { |
| #ifdef _LIBC |
| p = __rawmemchr (p, '\0'); |
| #else |
| p = strchr (p, '\0'); |
| #endif |
| /* And skip over the NUL byte. */ |
| p++; |
| |
| if (p >= translation + translation_len) |
| /* This should never happen. It means the plural expression |
| evaluated to a value larger than the number of variants |
| available for MSGID1. */ |
| return (char *) translation; |
| } |
| return (char *) p; |
| } |
| |
| #ifndef _LIBC |
| /* Return string representation of locale CATEGORY. */ |
| static const char * |
| category_to_name (int category) |
| { |
| const char *retval; |
| |
| switch (category) |
| { |
| #ifdef LC_COLLATE |
| case LC_COLLATE: |
| retval = "LC_COLLATE"; |
| break; |
| #endif |
| #ifdef LC_CTYPE |
| case LC_CTYPE: |
| retval = "LC_CTYPE"; |
| break; |
| #endif |
| #ifdef LC_MONETARY |
| case LC_MONETARY: |
| retval = "LC_MONETARY"; |
| break; |
| #endif |
| #ifdef LC_NUMERIC |
| case LC_NUMERIC: |
| retval = "LC_NUMERIC"; |
| break; |
| #endif |
| #ifdef LC_TIME |
| case LC_TIME: |
| retval = "LC_TIME"; |
| break; |
| #endif |
| #ifdef LC_MESSAGES |
| case LC_MESSAGES: |
| retval = "LC_MESSAGES"; |
| break; |
| #endif |
| #ifdef LC_RESPONSE |
| case LC_RESPONSE: |
| retval = "LC_RESPONSE"; |
| break; |
| #endif |
| #ifdef LC_ALL |
| case LC_ALL: |
| /* This might not make sense but is perhaps better than any other |
| value. */ |
| retval = "LC_ALL"; |
| break; |
| #endif |
| default: |
| /* If you have a better idea for a default value let me know. */ |
| retval = "LC_XXX"; |
| } |
| |
| return retval; |
| } |
| #endif |
| |
| /* Guess value of current locale from value of the environment variables |
| or system-dependent defaults. */ |
| static const char * |
| #ifdef IN_LIBGLOCALE |
| guess_category_value (int category, const char *categoryname, |
| const char *locale) |
| |
| #else |
| guess_category_value (int category, const char *categoryname) |
| #endif |
| { |
| const char *language; |
| #ifndef IN_LIBGLOCALE |
| const char *locale; |
| # ifndef _LIBC |
| const char *language_default; |
| int locale_defaulted; |
| # endif |
| #endif |
| |
| /* We use the settings in the following order: |
| 1. The value of the environment variable 'LANGUAGE'. This is a GNU |
| extension. Its value can be a colon-separated list of locale names. |
| 2. The value of the environment variable 'LC_ALL', 'LC_xxx', or 'LANG'. |
| More precisely, the first among these that is set to a non-empty value. |
| This is how POSIX specifies it. The value is a single locale name. |
| 3. A system-dependent preference list of languages. Its value can be a |
| colon-separated list of locale names. |
| 4. A system-dependent default locale name. |
| This way: |
| - System-dependent settings can be overridden by environment variables. |
| - If the system provides both a list of languages and a default locale, |
| the former is used. */ |
| |
| #ifndef IN_LIBGLOCALE |
| /* Fetch the locale name, through the POSIX method of looking to `LC_ALL', |
| `LC_xxx', and `LANG'. On some systems this can be done by the |
| `setlocale' function itself. */ |
| # ifdef _LIBC |
| locale = __current_locale_name (category); |
| # else |
| locale_defaulted = 0; |
| # if HAVE_USELOCALE |
| locale = _nl_locale_name_thread_unsafe (category, categoryname); |
| if (locale == NULL) |
| # endif |
| { |
| locale = _nl_locale_name_posix (category, categoryname); |
| if (locale == NULL) |
| { |
| locale = _nl_locale_name_default (); |
| locale_defaulted = 1; |
| } |
| } |
| # endif |
| #endif |
| |
| /* Ignore LANGUAGE and its system-dependent analogon if the locale is set |
| to "C" because |
| 1. "C" locale usually uses the ASCII encoding, and most international |
| messages use non-ASCII characters. These characters get displayed |
| as question marks (if using glibc's iconv()) or as invalid 8-bit |
| characters (because other iconv()s refuse to convert most non-ASCII |
| characters to ASCII). In any case, the output is ugly. |
| 2. The precise output of some programs in the "C" locale is specified |
| by POSIX and should not depend on environment variables like |
| "LANGUAGE" or system-dependent information. We allow such programs |
| to use gettext(). */ |
| if (strcmp (locale, "C") == 0) |
| return locale; |
| |
| /* The highest priority value is the value of the 'LANGUAGE' environment |
| variable. */ |
| language = getenv ("LANGUAGE"); |
| if (language != NULL && language[0] != '\0') |
| return language; |
| #if !defined IN_LIBGLOCALE && !defined _LIBC |
| /* The next priority value is the locale name, if not defaulted. */ |
| if (locale_defaulted) |
| { |
| /* The next priority value is the default language preferences list. */ |
| language_default = _nl_language_preferences_default (); |
| if (language_default != NULL) |
| return language_default; |
| } |
| /* The least priority value is the locale name, if defaulted. */ |
| #endif |
| return locale; |
| } |
| |
| #if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE |
| /* Returns the output charset. */ |
| static const char * |
| get_output_charset (struct binding *domainbinding) |
| { |
| /* The output charset should normally be determined by the locale. But |
| sometimes the locale is not used or not correctly set up, so we provide |
| a possibility for the user to override this: the OUTPUT_CHARSET |
| environment variable. Moreover, the value specified through |
| bind_textdomain_codeset overrides both. */ |
| if (domainbinding != NULL && domainbinding->codeset != NULL) |
| return domainbinding->codeset; |
| else |
| { |
| /* For speed reasons, we look at the value of OUTPUT_CHARSET only |
| once. This is a user variable that is not supposed to change |
| during a program run. */ |
| static char *output_charset_cache; |
| static int output_charset_cached; |
| |
| if (!output_charset_cached) |
| { |
| const char *value = getenv ("OUTPUT_CHARSET"); |
| |
| if (value != NULL && value[0] != '\0') |
| { |
| size_t len = strlen (value) + 1; |
| char *value_copy = (char *) malloc (len); |
| |
| if (value_copy != NULL) |
| memcpy (value_copy, value, len); |
| output_charset_cache = value_copy; |
| } |
| output_charset_cached = 1; |
| } |
| |
| if (output_charset_cache != NULL) |
| return output_charset_cache; |
| else |
| { |
| # ifdef _LIBC |
| return _NL_CURRENT (LC_CTYPE, CODESET); |
| # else |
| # if HAVE_ICONV |
| return locale_charset (); |
| # endif |
| # endif |
| } |
| } |
| } |
| #endif |
| |
| /* @@ begin of epilog @@ */ |
| |
| /* We don't want libintl.a to depend on any other library. So we |
| avoid the non-standard function stpcpy. In GNU C Library this |
| function is available, though. Also allow the symbol HAVE_STPCPY |
| to be defined. */ |
| #if !_LIBC && !HAVE_STPCPY |
| static char * |
| stpcpy (char *dest, const char *src) |
| { |
| while ((*dest++ = *src++) != '\0') |
| /* Do nothing. */ ; |
| return dest - 1; |
| } |
| #endif |
| |
| #if !_LIBC && !HAVE_MEMPCPY |
| static void * |
| mempcpy (void *dest, const void *src, size_t n) |
| { |
| return (void *) ((char *) memcpy (dest, src, n) + n); |
| } |
| #endif |
| |
| #if !_LIBC && !HAVE_TSEARCH |
| # include "tsearch.c" |
| #endif |
| |
| |
| #ifdef _LIBC |
| /* If we want to free all resources we have to do some work at |
| program's end. */ |
| libc_freeres_fn (free_mem) |
| { |
| void *old; |
| |
| while (_nl_domain_bindings != NULL) |
| { |
| struct binding *oldp = _nl_domain_bindings; |
| _nl_domain_bindings = _nl_domain_bindings->next; |
| if (oldp->dirname != _nl_default_dirname) |
| /* Yes, this is a pointer comparison. */ |
| free (oldp->dirname); |
| free (oldp->codeset); |
| free (oldp); |
| } |
| |
| if (_nl_current_default_domain != _nl_default_default_domain) |
| /* Yes, again a pointer comparison. */ |
| free ((char *) _nl_current_default_domain); |
| |
| /* Remove the search tree with the known translations. */ |
| __tdestroy (root, free); |
| root = NULL; |
| |
| while (transmem_list != NULL) |
| { |
| old = transmem_list; |
| transmem_list = transmem_list->next; |
| free (old); |
| } |
| } |
| #endif |