1 /* Copyright (C) 1995-1998, 2000, 2001 Free Software Foundation, Inc. 2 Contributed by Ulrich Drepper <drepper (at) gnu.ai.mit.edu>, 1995. 3 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) 7 any later version. 8 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. 13 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 17 USA. */ 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #include <stdlib.h> 24 #include <string.h> 25 #include <sys/types.h> 26 27 #include "loadinfo.h" 28 29 /* On some strange systems still no definition of NULL is found. Sigh! */ 30 #ifndef NULL 31 # if defined __STDC__ && __STDC__ 32 # define NULL ((void *) 0) 33 # else 34 # define NULL 0 35 # endif 36 #endif 37 38 /* @@ end of prolog @@ */ 39 40 char * 41 _nl_find_language (name) 42 const char *name; 43 { 44 while (name[0] != '\0' && name[0] != '_' && name[0] != '@' 45 && name[0] != '+' && name[0] != ',') 46 ++name; 47 48 return (char *) name; 49 } 50 51 52 int 53 _nl_explode_name (name, language, modifier, territory, codeset, 54 normalized_codeset, special, sponsor, revision) 55 char *name; 56 const char **language; 57 const char **modifier; 58 const char **territory; 59 const char **codeset; 60 const char **normalized_codeset; 61 const char **special; 62 const char **sponsor; 63 const char **revision; 64 { 65 enum { undecided, xpg, cen } syntax; 66 char *cp; 67 int mask; 68 69 *modifier = NULL; 70 *territory = NULL; 71 *codeset = NULL; 72 *normalized_codeset = NULL; 73 *special = NULL; 74 *sponsor = NULL; 75 *revision = NULL; 76 77 /* Now we determine the single parts of the locale name. First 78 look for the language. Termination symbols are `_' and `@' if 79 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */ 80 mask = 0; 81 syntax = undecided; 82 *language = cp = name; 83 cp = _nl_find_language (*language); 84 85 if (*language == cp) 86 /* This does not make sense: language has to be specified. Use 87 this entry as it is without exploding. Perhaps it is an alias. */ 88 cp = strchr (*language, '\0'); 89 else if (cp[0] == '_') 90 { 91 /* Next is the territory. */ 92 cp[0] = '\0'; 93 *territory = ++cp; 94 95 while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@' 96 && cp[0] != '+' && cp[0] != ',' && cp[0] != '_') 97 ++cp; 98 99 mask |= TERRITORY; 100 101 if (cp[0] == '.') 102 { 103 /* Next is the codeset. */ 104 syntax = xpg; 105 cp[0] = '\0'; 106 *codeset = ++cp; 107 108 while (cp[0] != '\0' && cp[0] != '@') 109 ++cp; 110 111 mask |= XPG_CODESET; 112 113 if (*codeset != cp && (*codeset)[0] != '\0') 114 { 115 *normalized_codeset = _nl_normalize_codeset (*codeset, 116 cp - *codeset); 117 if (strcmp (*codeset, *normalized_codeset) == 0) 118 free ((char *) *normalized_codeset); 119 else 120 mask |= XPG_NORM_CODESET; 121 } 122 } 123 } 124 125 if (cp[0] == '@' || (syntax != xpg && cp[0] == '+')) 126 { 127 /* Next is the modifier. */ 128 syntax = cp[0] == '@' ? xpg : cen; 129 cp[0] = '\0'; 130 *modifier = ++cp; 131 132 while (syntax == cen && cp[0] != '\0' && cp[0] != '+' 133 && cp[0] != ',' && cp[0] != '_') 134 ++cp; 135 136 mask |= XPG_MODIFIER | CEN_AUDIENCE; 137 } 138 139 if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_')) 140 { 141 syntax = cen; 142 143 if (cp[0] == '+') 144 { 145 /* Next is special application (CEN syntax). */ 146 cp[0] = '\0'; 147 *special = ++cp; 148 149 while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_') 150 ++cp; 151 152 mask |= CEN_SPECIAL; 153 } 154 155 if (cp[0] == ',') 156 { 157 /* Next is sponsor (CEN syntax). */ 158 cp[0] = '\0'; 159 *sponsor = ++cp; 160 161 while (cp[0] != '\0' && cp[0] != '_') 162 ++cp; 163 164 mask |= CEN_SPONSOR; 165 } 166 167 if (cp[0] == '_') 168 { 169 /* Next is revision (CEN syntax). */ 170 cp[0] = '\0'; 171 *revision = ++cp; 172 173 mask |= CEN_REVISION; 174 } 175 } 176 177 /* For CEN syntax values it might be important to have the 178 separator character in the file name, not for XPG syntax. */ 179 if (syntax == xpg) 180 { 181 if (*territory != NULL && (*territory)[0] == '\0') 182 mask &= ~TERRITORY; 183 184 if (*codeset != NULL && (*codeset)[0] == '\0') 185 mask &= ~XPG_CODESET; 186 187 if (*modifier != NULL && (*modifier)[0] == '\0') 188 mask &= ~XPG_MODIFIER; 189 } 190 191 return mask; 192 } 193
