1 /* Copyright (C) 1995-1998, 2000-2001, 2003 Free Software Foundation, Inc.
2 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
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)
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
25 #include <sys/types.h>
29 /* On some strange systems still no definition of NULL is found. Sigh! */
31 # if defined __STDC__ && __STDC__
32 # define NULL ((void *) 0)
38 /* @@ end of prolog @@ */
41 _nl_find_language (const char *name)
43 while (name[0] != '\0' && name[0] != '_' && name[0] != '@'
44 && name[0] != '+' && name[0] != ',')
52 _nl_explode_name (char *name,
53 const char **language, const char **modifier,
54 const char **territory, const char **codeset,
55 const char **normalized_codeset, const char **special,
56 const char **sponsor, const char **revision)
58 enum { undecided, xpg, cen } syntax;
65 *normalized_codeset = NULL;
70 /* Now we determine the single parts of the locale name. First
71 look for the language. Termination symbols are `_' and `@' if
72 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
75 *language = cp = name;
76 cp = _nl_find_language (*language);
79 /* This does not make sense: language has to be specified. Use
80 this entry as it is without exploding. Perhaps it is an alias. */
81 cp = strchr (*language, '\0');
82 else if (cp[0] == '_')
84 /* Next is the territory. */
88 while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@'
89 && cp[0] != '+' && cp[0] != ',' && cp[0] != '_')
96 /* Next is the codeset. */
101 while (cp[0] != '\0' && cp[0] != '@')
106 if (*codeset != cp && (*codeset)[0] != '\0')
108 *normalized_codeset = _nl_normalize_codeset (*codeset,
110 if (strcmp (*codeset, *normalized_codeset) == 0)
111 free ((char *) *normalized_codeset);
113 mask |= XPG_NORM_CODESET;
118 if (cp[0] == '@' || (syntax != xpg && cp[0] == '+'))
120 /* Next is the modifier. */
121 syntax = cp[0] == '@' ? xpg : cen;
125 while (syntax == cen && cp[0] != '\0' && cp[0] != '+'
126 && cp[0] != ',' && cp[0] != '_')
129 mask |= XPG_MODIFIER | CEN_AUDIENCE;
132 if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_'))
138 /* Next is special application (CEN syntax). */
142 while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_')
150 /* Next is sponsor (CEN syntax). */
154 while (cp[0] != '\0' && cp[0] != '_')
162 /* Next is revision (CEN syntax). */
166 mask |= CEN_REVISION;
170 /* For CEN syntax values it might be important to have the
171 separator character in the file name, not for XPG syntax. */
174 if (*territory != NULL && (*territory)[0] == '\0')
177 if (*codeset != NULL && (*codeset)[0] == '\0')
178 mask &= ~XPG_CODESET;
180 if (*modifier != NULL && (*modifier)[0] == '\0')
181 mask &= ~XPG_MODIFIER;