| /* Handle list of needed message catalogs |
| Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc. |
| Written by Ulrich Drepper <drepper@gnu.org>, 1995. |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Library General Public License as published |
| by the Free Software Foundation; either version 2, 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, |
| USA. */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #if defined HAVE_UNISTD_H || defined _LIBC |
| # include <unistd.h> |
| #endif |
| |
| #include "gettextP.h" |
| #ifdef _LIBC |
| # include <libintl.h> |
| #else |
| # include "libgnuintl.h" |
| #endif |
| |
| /* @@ end of prolog @@ */ |
| /* List of already loaded domains. */ |
| static struct loaded_l10nfile *_nl_loaded_domains; |
| |
| |
| /* Return a data structure describing the message catalog described by |
| the DOMAINNAME and CATEGORY parameters with respect to the currently |
| established bindings. */ |
| struct loaded_l10nfile * |
| internal_function |
| _nl_find_domain (dirname, locale, domainname, domainbinding) |
| const char *dirname; |
| char *locale; |
| const char *domainname; |
| struct binding *domainbinding; |
| { |
| struct loaded_l10nfile *retval; |
| const char *language; |
| const char *modifier; |
| const char *territory; |
| const char *codeset; |
| const char *normalized_codeset; |
| const char *special; |
| const char *sponsor; |
| const char *revision; |
| const char *alias_value; |
| int mask; |
| |
| /* LOCALE can consist of up to four recognized parts for the XPG syntax: |
| |
| language[_territory[.codeset]][@modifier] |
| |
| and six parts for the CEN syntax: |
| |
| language[_territory][+audience][+special][,[sponsor][_revision]] |
| |
| Beside the first part all of them are allowed to be missing. If |
| the full specified locale is not found, the less specific one are |
| looked for. The various parts will be stripped off according to |
| the following order: |
| (1) revision |
| (2) sponsor |
| (3) special |
| (4) codeset |
| (5) normalized codeset |
| (6) territory |
| (7) audience/modifier |
| */ |
| |
| /* If we have already tested for this locale entry there has to |
| be one data set in the list of loaded domains. */ |
| retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname, |
| strlen (dirname) + 1, 0, locale, NULL, NULL, |
| NULL, NULL, NULL, NULL, NULL, domainname, 0); |
| if (retval != NULL) |
| { |
| /* We know something about this locale. */ |
| int cnt; |
| |
| if (retval->decided == 0) |
| _nl_load_domain (retval, domainbinding); |
| |
| if (retval->data != NULL) |
| return retval; |
| |
| for (cnt = 0; retval->successor[cnt] != NULL; ++cnt) |
| { |
| if (retval->successor[cnt]->decided == 0) |
| _nl_load_domain (retval->successor[cnt], domainbinding); |
| |
| if (retval->successor[cnt]->data != NULL) |
| break; |
| } |
| return cnt >= 0 ? retval : NULL; |
| /* NOTREACHED */ |
| } |
| |
| /* See whether the locale value is an alias. If yes its value |
| *overwrites* the alias name. No test for the original value is |
| done. */ |
| alias_value = _nl_expand_alias (locale); |
| if (alias_value != NULL) |
| { |
| #if defined _LIBC || defined HAVE_STRDUP |
| locale = strdup (alias_value); |
| if (locale == NULL) |
| return NULL; |
| #else |
| size_t len = strlen (alias_value) + 1; |
| locale = (char *) malloc (len); |
| if (locale == NULL) |
| return NULL; |
| |
| memcpy (locale, alias_value, len); |
| #endif |
| } |
| |
| /* Now we determine the single parts of the locale name. First |
| look for the language. Termination symbols are `_' and `@' if |
| we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ |
| mask = _nl_explode_name (locale, &language, &modifier, &territory, |
| &codeset, &normalized_codeset, &special, |
| &sponsor, &revision); |
| |
| /* Create all possible locale entries which might be interested in |
| generalization. */ |
| retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname, |
| strlen (dirname) + 1, mask, language, territory, |
| codeset, normalized_codeset, modifier, special, |
| sponsor, revision, domainname, 1); |
| if (retval == NULL) |
| /* This means we are out of core. */ |
| return NULL; |
| |
| if (retval->decided == 0) |
| _nl_load_domain (retval, domainbinding); |
| if (retval->data == NULL) |
| { |
| int cnt; |
| for (cnt = 0; retval->successor[cnt] != NULL; ++cnt) |
| { |
| if (retval->successor[cnt]->decided == 0) |
| _nl_load_domain (retval->successor[cnt], domainbinding); |
| if (retval->successor[cnt]->data != NULL) |
| break; |
| } |
| } |
| |
| /* The room for an alias was dynamically allocated. Free it now. */ |
| if (alias_value != NULL) |
| free (locale); |
| |
| /* The space for normalized_codeset is dynamically allocated. Free it. */ |
| if (mask & XPG_NORM_CODESET) |
| free ((void *) normalized_codeset); |
| |
| return retval; |
| } |
| |
| |
| #ifdef _LIBC |
| libc_freeres_fn (free_mem) |
| { |
| struct loaded_l10nfile *runp = _nl_loaded_domains; |
| |
| while (runp != NULL) |
| { |
| struct loaded_l10nfile *here = runp; |
| if (runp->data != NULL) |
| _nl_unload_domain ((struct loaded_domain *) runp->data); |
| runp = runp->next; |
| free ((char *) here->filename); |
| free (here); |
| } |
| } |
| #endif |