1 /* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
2 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
4 This file is part of the GNU C Library. Its master source is NOT part of
5 the C library, however.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
12 The GNU C Library 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.
17 You should have received a copy of the GNU Library General Public
18 License along with the GNU C Library; see the file COPYING.LIB. If not,
19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
26 #if defined STDC_HEADERS || defined _LIBC
30 #if defined HAVE_STRING_H || defined _LIBC
35 #include <sys/types.h>
39 /* On some strange systems still no definition of NULL is found. Sigh! */
41 # if defined __STDC__ && __STDC__
42 # define NULL ((void *) 0)
48 /* @@ end of prolog @@ */
51 _nl_explode_name (name, language, modifier, territory, codeset,
52 normalized_codeset, special, sponsor, revision)
54 const char **language;
55 const char **modifier;
56 const char **territory;
58 const char **normalized_codeset;
61 const char **revision;
63 enum { undecided, xpg, cen } syntax;
70 *normalized_codeset = NULL;
75 /* Now we determine the single parts of the locale name. First
76 look for the language. Termination symbols are `_' and `@' if
77 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
80 *language = cp = name;
81 while (cp[0] != '\0' && cp[0] != '_' && cp[0] != '@'
82 && cp[0] != '+' && cp[0] != ',')
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] == '_')
91 /* Next is the territory. */
95 while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@'
96 && cp[0] != '+' && cp[0] != ',' && cp[0] != '_')
103 /* Next is the codeset. */
108 while (cp[0] != '\0' && cp[0] != '@')
113 if (*codeset != cp && (*codeset)[0] != '\0')
115 *normalized_codeset = _nl_normalize_codeset (*codeset,
117 if (strcmp (*codeset, *normalized_codeset) == 0)
118 free ((char *) *normalized_codeset);
120 mask |= XPG_NORM_CODESET;
125 if (cp[0] == '@' || (syntax != xpg && cp[0] == '+'))
127 /* Next is the modifier. */
128 syntax = cp[0] == '@' ? xpg : cen;
132 while (syntax == cen && cp[0] != '\0' && cp[0] != '+'
133 && cp[0] != ',' && cp[0] != '_')
136 mask |= XPG_MODIFIER | CEN_AUDIENCE;
139 if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_'))
145 /* Next is special application (CEN syntax). */
149 while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_')
157 /* Next is sponsor (CEN syntax). */
161 while (cp[0] != '\0' && cp[0] != '_')
169 /* Next is revision (CEN syntax). */
173 mask |= CEN_REVISION;
177 /* For CEN syntax values it might be important to have the
178 separator character in the file name, not for XPG syntax. */
181 if (*territory != NULL && (*territory)[0] == '\0')
184 if (*codeset != NULL && (*codeset)[0] == '\0')
185 mask &= ~XPG_CODESET;
187 if (*modifier != NULL && (*modifier)[0] == '\0')
188 mask &= ~XPG_MODIFIER;