1 /* $NetBSD: finddomain.c,v 1.1.1.1 2016/01/10 21:36:17 christos Exp $ */ 2 3 /* Handle list of needed message catalogs 4 Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc. 5 Written by Ulrich Drepper <drepper@gnu.org>, 1995. 6 7 This program is free software; you can redistribute it and/or modify it 8 under the terms of the GNU Library General Public License as published 9 by the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public 18 License along with this program; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 20 USA. */ 21 22 #ifdef HAVE_CONFIG_H 23 # include <config.h> 24 #endif 25 26 #include <stdio.h> 27 #include <sys/types.h> 28 #include <stdlib.h> 29 #include <string.h> 30 31 #if defined HAVE_UNISTD_H || defined _LIBC 32 # include <unistd.h> 33 #endif 34 35 #include "gettextP.h" 36 #ifdef _LIBC 37 # include <libintl.h> 38 #else 39 # include "libgnuintl.h" 40 #endif 41 42 /* @@ end of prolog @@ */ 43 /* List of already loaded domains. */ 44 static struct loaded_l10nfile *_nl_loaded_domains; 45 46 47 /* Return a data structure describing the message catalog described by 48 the DOMAINNAME and CATEGORY parameters with respect to the currently 49 established bindings. */ 50 struct loaded_l10nfile * 51 internal_function 52 _nl_find_domain (dirname, locale, domainname, domainbinding) 53 const char *dirname; 54 char *locale; 55 const char *domainname; 56 struct binding *domainbinding; 57 { 58 struct loaded_l10nfile *retval; 59 const char *language; 60 const char *modifier; 61 const char *territory; 62 const char *codeset; 63 const char *normalized_codeset; 64 const char *special; 65 const char *sponsor; 66 const char *revision; 67 const char *alias_value; 68 int mask; 69 70 /* LOCALE can consist of up to four recognized parts for the XPG syntax: 71 72 language[_territory[.codeset]][@modifier] 73 74 and six parts for the CEN syntax: 75 76 language[_territory][+audience][+special][,[sponsor][_revision]] 77 78 Beside the first part all of them are allowed to be missing. If 79 the full specified locale is not found, the less specific one are 80 looked for. The various parts will be stripped off according to 81 the following order: 82 (1) revision 83 (2) sponsor 84 (3) special 85 (4) codeset 86 (5) normalized codeset 87 (6) territory 88 (7) audience/modifier 89 */ 90 91 /* If we have already tested for this locale entry there has to 92 be one data set in the list of loaded domains. */ 93 retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname, 94 strlen (dirname) + 1, 0, locale, NULL, NULL, 95 NULL, NULL, NULL, NULL, NULL, domainname, 0); 96 if (retval != NULL) 97 { 98 /* We know something about this locale. */ 99 int cnt; 100 101 if (retval->decided == 0) 102 _nl_load_domain (retval, domainbinding); 103 104 if (retval->data != NULL) 105 return retval; 106 107 for (cnt = 0; retval->successor[cnt] != NULL; ++cnt) 108 { 109 if (retval->successor[cnt]->decided == 0) 110 _nl_load_domain (retval->successor[cnt], domainbinding); 111 112 if (retval->successor[cnt]->data != NULL) 113 break; 114 } 115 return cnt >= 0 ? retval : NULL; 116 /* NOTREACHED */ 117 } 118 119 /* See whether the locale value is an alias. If yes its value 120 *overwrites* the alias name. No test for the original value is 121 done. */ 122 alias_value = _nl_expand_alias (locale); 123 if (alias_value != NULL) 124 { 125 #if defined _LIBC || defined HAVE_STRDUP 126 locale = strdup (alias_value); 127 if (locale == NULL) 128 return NULL; 129 #else 130 size_t len = strlen (alias_value) + 1; 131 locale = (char *) malloc (len); 132 if (locale == NULL) 133 return NULL; 134 135 memcpy (locale, alias_value, len); 136 #endif 137 } 138 139 /* Now we determine the single parts of the locale name. First 140 look for the language. Termination symbols are `_' and `@' if 141 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ 142 mask = _nl_explode_name (locale, &language, &modifier, &territory, 143 &codeset, &normalized_codeset, &special, 144 &sponsor, &revision); 145 146 /* Create all possible locale entries which might be interested in 147 generalization. */ 148 retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname, 149 strlen (dirname) + 1, mask, language, territory, 150 codeset, normalized_codeset, modifier, special, 151 sponsor, revision, domainname, 1); 152 if (retval == NULL) 153 /* This means we are out of core. */ 154 return NULL; 155 156 if (retval->decided == 0) 157 _nl_load_domain (retval, domainbinding); 158 if (retval->data == NULL) 159 { 160 int cnt; 161 for (cnt = 0; retval->successor[cnt] != NULL; ++cnt) 162 { 163 if (retval->successor[cnt]->decided == 0) 164 _nl_load_domain (retval->successor[cnt], domainbinding); 165 if (retval->successor[cnt]->data != NULL) 166 break; 167 } 168 } 169 170 /* The room for an alias was dynamically allocated. Free it now. */ 171 if (alias_value != NULL) 172 free (locale); 173 174 /* The space for normalized_codeset is dynamically allocated. Free it. */ 175 if (mask & XPG_NORM_CODESET) 176 free ((void *) normalized_codeset); 177 178 return retval; 179 } 180 181 182 #ifdef _LIBC 183 static void __attribute__ ((unused)) 184 free_mem (void) 185 { 186 struct loaded_l10nfile *runp = _nl_loaded_domains; 187 188 while (runp != NULL) 189 { 190 struct loaded_l10nfile *here = runp; 191 if (runp->data != NULL) 192 _nl_unload_domain ((struct loaded_domain *) runp->data); 193 runp = runp->next; 194 free ((char *) here->filename); 195 free (here); 196 } 197 } 198 199 text_set_element (__libc_subfreeres, free_mem); 200 #endif 201