1 /* Handle list of needed message catalogs
2 Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
3 Written by Ulrich Drepper <drepper@gnu.org>, 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
27 #include <sys/types.h>
29 #if defined STDC_HEADERS || defined _LIBC
39 #if defined HAVE_STRING_H || defined _LIBC
44 # define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
48 #if defined HAVE_UNISTD_H || defined _LIBC
57 # include "libgettext.h"
60 /* @@ end of prolog @@ */
61 /* List of already loaded domains. */
62 static struct loaded_l10nfile
*_nl_loaded_domains
;
65 /* Return a data structure describing the message catalog described by
66 the DOMAINNAME and CATEGORY parameters with respect to the currently
67 established bindings. */
68 struct loaded_l10nfile
*
70 _nl_find_domain (dirname
, locale
, domainname
, domainbinding
)
73 const char *domainname
;
74 struct binding
*domainbinding
;
76 struct loaded_l10nfile
*retval
;
79 const char *territory
;
81 const char *normalized_codeset
;
85 const char *alias_value
;
88 /* LOCALE can consist of up to four recognized parts for the XPG syntax:
90 language[_territory[.codeset]][@modifier]
92 and six parts for the CEN syntax:
94 language[_territory][+audience][+special][,[sponsor][_revision]]
96 Beside the first part all of them are allowed to be missing. If
97 the full specified locale is not found, the less specific one are
98 looked for. The various parts will be stripped off according to
104 (5) normalized codeset
106 (7) audience/modifier
109 /* If we have already tested for this locale entry there has to
110 be one data set in the list of loaded domains. */
111 retval
= _nl_make_l10nflist (&_nl_loaded_domains
, dirname
,
112 strlen (dirname
) + 1, 0, locale
, NULL
, NULL
,
113 NULL
, NULL
, NULL
, NULL
, NULL
, domainname
,
117 /* We know something about this locale. */
120 if (retval
->decided
== 0)
121 _nl_load_domain (retval
);
123 if (retval
->data
!= NULL
)
126 for (cnt
= 0; retval
->successor
[cnt
] != NULL
; ++cnt
)
128 if (retval
->successor
[cnt
]->decided
== 0)
129 _nl_load_domain (retval
->successor
[cnt
]);
131 if (retval
->successor
[cnt
]->data
!= NULL
)
134 return cnt
>= 0 ? retval
: NULL
;
138 /* See whether the locale value is an alias. If yes its value
139 *overwrites* the alias name. No test for the original value is
141 alias_value
= _nl_expand_alias (locale
);
142 if (alias_value
!= NULL
)
144 #if defined _LIBC || defined HAVE_STRDUP
145 locale
= strdup (alias_value
);
149 size_t len
= strlen (alias_value
) + 1;
150 locale
= (char *) malloc (len
);
154 memcpy (locale
, alias_value
, len
);
158 /* Now we determine the single parts of the locale name. First
159 look for the language. Termination symbols are `_' and `@' if
160 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
161 mask
= _nl_explode_name (locale
, &language
, &modifier
, &territory
,
162 &codeset
, &normalized_codeset
, &special
,
163 &sponsor
, &revision
);
165 /* Create all possible locale entries which might be interested in
167 retval
= _nl_make_l10nflist (&_nl_loaded_domains
, dirname
,
168 strlen (dirname
) + 1, mask
, language
, territory
,
169 codeset
, normalized_codeset
, modifier
, special
,
170 sponsor
, revision
, domainname
, domainbinding
,
173 /* This means we are out of core. */
176 if (retval
->decided
== 0)
177 _nl_load_domain (retval
);
178 if (retval
->data
== NULL
)
181 for (cnt
= 0; retval
->successor
[cnt
] != NULL
; ++cnt
)
183 if (retval
->successor
[cnt
]->decided
== 0)
184 _nl_load_domain (retval
->successor
[cnt
]);
185 if (retval
->successor
[cnt
]->data
!= NULL
)
190 /* The room for an alias was dynamically allocated. Free it now. */
191 if (alias_value
!= NULL
)
194 /* The space for normalized_codeset is dynamically allocated. Free it. */
195 if (mask
& XPG_NORM_CODESET
)
196 free ((void *) normalized_codeset
);
203 static void __attribute__ ((unused
))
206 struct loaded_l10nfile
*runp
= _nl_loaded_domains
;
210 struct loaded_l10nfile
*here
= runp
;
211 if (runp
->data
!= NULL
)
212 _nl_unload_domain ((struct loaded_domain
*) runp
->data
);
214 free ((char *) here
->filename
);
219 text_set_element (__libc_subfreeres
, free_mem
);