1 /* Handle list of needed message catalogs
2 Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Ulrich Drepper <drepper@gnu.org>, 1995.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26 #include <sys/types.h>
28 #if defined STDC_HEADERS || defined _LIBC
38 #if defined HAVE_STRING_H || defined _LIBC
43 # define memcpy(Dst, Src, Num) (bcopy (Src, Dst, Num), (Dst))
47 #if defined HAVE_UNISTD_H || defined _LIBC
55 # include "libgnuintl.h"
58 /* @@ end of prolog @@ */
59 /* List of already loaded domains. */
60 static struct loaded_l10nfile
*_nl_loaded_domains
;
63 /* Return a data structure describing the message catalog described by
64 the DOMAINNAME and CATEGORY parameters with respect to the currently
65 established bindings. */
66 struct loaded_l10nfile
*
68 _nl_find_domain (dirname
, locale
, domainname
, domainbinding
)
71 const char *domainname
;
72 struct binding
*domainbinding
;
74 struct loaded_l10nfile
*retval
;
77 const char *territory
;
79 const char *normalized_codeset
;
83 const char *alias_value
;
86 /* LOCALE can consist of up to four recognized parts for the XPG syntax:
88 language[_territory[.codeset]][@modifier]
90 and six parts for the CEN syntax:
92 language[_territory][+audience][+special][,[sponsor][_revision]]
94 Beside the first part all of them are allowed to be missing. If
95 the full specified locale is not found, the less specific one are
96 looked for. The various parts will be stripped off according to
102 (5) normalized codeset
104 (7) audience/modifier
107 /* If we have already tested for this locale entry there has to
108 be one data set in the list of loaded domains. */
109 retval
= _nl_make_l10nflist (&_nl_loaded_domains
, dirname
,
110 strlen (dirname
) + 1, 0, locale
, NULL
, NULL
,
111 NULL
, NULL
, NULL
, NULL
, NULL
, domainname
, 0);
114 /* We know something about this locale. */
117 if (retval
->decided
== 0)
118 _nl_load_domain (retval
, domainbinding
);
120 if (retval
->data
!= NULL
)
123 for (cnt
= 0; retval
->successor
[cnt
] != NULL
; ++cnt
)
125 if (retval
->successor
[cnt
]->decided
== 0)
126 _nl_load_domain (retval
->successor
[cnt
], domainbinding
);
128 if (retval
->successor
[cnt
]->data
!= NULL
)
131 return cnt
>= 0 ? retval
: NULL
;
135 /* See whether the locale value is an alias. If yes its value
136 *overwrites* the alias name. No test for the original value is
138 alias_value
= _nl_expand_alias (locale
);
139 if (alias_value
!= NULL
)
141 #if defined _LIBC || defined HAVE_STRDUP
142 locale
= strdup (alias_value
);
146 size_t len
= strlen (alias_value
) + 1;
147 locale
= (char *) malloc (len
);
151 memcpy (locale
, alias_value
, len
);
155 /* Now we determine the single parts of the locale name. First
156 look for the language. Termination symbols are `_' and `@' if
157 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
158 mask
= _nl_explode_name (locale
, &language
, &modifier
, &territory
,
159 &codeset
, &normalized_codeset
, &special
,
160 &sponsor
, &revision
);
162 /* Create all possible locale entries which might be interested in
164 retval
= _nl_make_l10nflist (&_nl_loaded_domains
, dirname
,
165 strlen (dirname
) + 1, mask
, language
, territory
,
166 codeset
, normalized_codeset
, modifier
, special
,
167 sponsor
, revision
, domainname
, 1);
169 /* This means we are out of core. */
172 if (retval
->decided
== 0)
173 _nl_load_domain (retval
, domainbinding
);
174 if (retval
->data
== NULL
)
177 for (cnt
= 0; retval
->successor
[cnt
] != NULL
; ++cnt
)
179 if (retval
->successor
[cnt
]->decided
== 0)
180 _nl_load_domain (retval
->successor
[cnt
], domainbinding
);
181 if (retval
->successor
[cnt
]->data
!= NULL
)
186 /* The room for an alias was dynamically allocated. Free it now. */
187 if (alias_value
!= NULL
)
190 /* The space for normalized_codeset is dynamically allocated. Free it. */
191 if (mask
& XPG_NORM_CODESET
)
192 free ((void *) normalized_codeset
);
199 static void __attribute__ ((unused
))
202 struct loaded_l10nfile
*runp
= _nl_loaded_domains
;
206 struct loaded_l10nfile
*here
= runp
;
207 if (runp
->data
!= NULL
)
208 _nl_unload_domain ((struct loaded_domain
*) runp
->data
);
210 free ((char *) here
->filename
);
215 text_set_element (__libc_subfreeres
, free_mem
);