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_find_language (const char *name)
53 while (name[0] != '\0' && name[0] != '_' && name[0] != '@'
54 && name[0] != '+' && name[0] != ',')
62 _nl_explode_name (name, language, modifier, territory, codeset,
63 normalized_codeset, special, sponsor, revision)
65 const char **language;
66 const char **modifier;
67 const char **territory;
69 const char **normalized_codeset;
72 const char **revision;
74 enum { undecided, xpg, cen } syntax;
81 *normalized_codeset = NULL;
86 /* Now we determine the single parts of the locale name. First
87 look for the language. Termination symbols are `_' and `@' if
88 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
91 *language = cp = name;
92 cp = _nl_find_language (*language);
95 /* This does not make sense: language has to be specified. Use
96 this entry as it is without exploding. Perhaps it is an alias. */
97 cp = strchr (*language, '\0');
98 else if (cp[0] == '_')
100 /* Next is the territory. */
104 while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@'
105 && cp[0] != '+' && cp[0] != ',' && cp[0] != '_')
112 /* Next is the codeset. */
117 while (cp[0] != '\0' && cp[0] != '@')
122 if (*codeset != cp && (*codeset)[0] != '\0')
124 *normalized_codeset = _nl_normalize_codeset (*codeset,
126 if (strcmp (*codeset, *normalized_codeset) == 0)
127 free ((char *) *normalized_codeset);
129 mask |= XPG_NORM_CODESET;
134 if (cp[0] == '@' || (syntax != xpg && cp[0] == '+'))
136 /* Next is the modifier. */
137 syntax = cp[0] == '@' ? xpg : cen;
141 while (syntax == cen && cp[0] != '\0' && cp[0] != '+'
142 && cp[0] != ',' && cp[0] != '_')
145 mask |= XPG_MODIFIER | CEN_AUDIENCE;
148 if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_'))
154 /* Next is special application (CEN syntax). */
158 while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_')
166 /* Next is sponsor (CEN syntax). */
170 while (cp[0] != '\0' && cp[0] != '_')
178 /* Next is revision (CEN syntax). */
182 mask |= CEN_REVISION;
186 /* For CEN syntax values it might be important to have the
187 separator character in the file name, not for XPG syntax. */
190 if (*territory != NULL && (*territory)[0] == '\0')
193 if (*codeset != NULL && (*codeset)[0] == '\0')
194 mask &= ~XPG_CODESET;
196 if (*modifier != NULL && (*modifier)[0] == '\0')
197 mask &= ~XPG_MODIFIER;