| /* Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. |
| |
| 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/>. */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/types.h> |
| |
| #include "loadinfo.h" |
| |
| /* On some strange systems still no definition of NULL is found. Sigh! */ |
| #ifndef NULL |
| # if defined __STDC__ && __STDC__ |
| # define NULL ((void *) 0) |
| # else |
| # define NULL 0 |
| # endif |
| #endif |
| |
| /* @@ end of prolog @@ */ |
| |
| /* Split a locale name NAME into a leading language part and all the |
| rest. Return a pointer to the first character after the language, |
| i.e. to the first byte of the rest. */ |
| static char *_nl_find_language (const char *name); |
| |
| static char * |
| _nl_find_language (const char *name) |
| { |
| while (name[0] != '\0' && name[0] != '_' && name[0] != '@' && name[0] != '.') |
| ++name; |
| |
| return (char *) name; |
| } |
| |
| |
| int |
| _nl_explode_name (char *name, |
| const char **language, const char **modifier, |
| const char **territory, const char **codeset, |
| const char **normalized_codeset) |
| { |
| char *cp; |
| int mask; |
| |
| *modifier = NULL; |
| *territory = NULL; |
| *codeset = NULL; |
| *normalized_codeset = NULL; |
| |
| /* Now we determine the single parts of the locale name. First |
| look for the language. Termination symbols are `_', '.', and `@'. */ |
| mask = 0; |
| *language = cp = name; |
| cp = _nl_find_language (*language); |
| |
| if (*language == cp) |
| /* This does not make sense: language has to be specified. Use |
| this entry as it is without exploding. Perhaps it is an alias. */ |
| cp = strchr (*language, '\0'); |
| else |
| { |
| if (cp[0] == '_') |
| { |
| /* Next is the territory. */ |
| cp[0] = '\0'; |
| *territory = ++cp; |
| |
| while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@') |
| ++cp; |
| |
| mask |= XPG_TERRITORY; |
| } |
| |
| if (cp[0] == '.') |
| { |
| /* Next is the codeset. */ |
| cp[0] = '\0'; |
| *codeset = ++cp; |
| |
| while (cp[0] != '\0' && cp[0] != '@') |
| ++cp; |
| |
| mask |= XPG_CODESET; |
| |
| if (*codeset != cp && (*codeset)[0] != '\0') |
| { |
| *normalized_codeset = _nl_normalize_codeset (*codeset, |
| cp - *codeset); |
| if (*normalized_codeset == NULL) |
| return -1; |
| else if (strcmp (*codeset, *normalized_codeset) == 0) |
| free ((char *) *normalized_codeset); |
| else |
| mask |= XPG_NORM_CODESET; |
| } |
| } |
| } |
| |
| if (cp[0] == '@') |
| { |
| /* Next is the modifier. */ |
| cp[0] = '\0'; |
| *modifier = ++cp; |
| |
| if (cp[0] != '\0') |
| mask |= XPG_MODIFIER; |
| } |
| |
| if (*territory != NULL && (*territory)[0] == '\0') |
| mask &= ~XPG_TERRITORY; |
| |
| if (*codeset != NULL && (*codeset)[0] == '\0') |
| mask &= ~XPG_CODESET; |
| |
| return mask; |
| } |