1 /* Handle list of needed message catalogs
2 Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
3 Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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)
46 #if !HAVE_STRCHR && !defined _LIBC
52 #if defined HAVE_UNISTD_H || defined _LIBC
61 # include "libgettext.h"
64 /* @@ end of prolog @@ */
65 /* List of already loaded domains. */
66 static struct loaded_l10nfile
*_nl_loaded_domains
;
69 /* Return a data structure describing the message catalog described by
70 the DOMAINNAME and CATEGORY parameters with respect to the currently
71 established bindings. */
72 struct loaded_l10nfile
*
74 _nl_find_domain (dirname
, locale
, domainname
)
77 const char *domainname
;
79 struct loaded_l10nfile
*retval
;
82 const char *territory
;
84 const char *normalized_codeset
;
88 const char *alias_value
;
91 /* LOCALE can consist of up to four recognized parts for the XPG syntax:
93 language[_territory[.codeset]][@modifier]
95 and six parts for the CEN syntax:
97 language[_territory][+audience][+special][,[sponsor][_revision]]
99 Beside the first part all of them are allowed to be missing. If
100 the full specified locale is not found, the less specific one are
101 looked for. The various parts will be stripped off according to
107 (5) normalized codeset
109 (7) audience/modifier
112 /* If we have already tested for this locale entry there has to
113 be one data set in the list of loaded domains. */
114 retval
= _nl_make_l10nflist (&_nl_loaded_domains
, dirname
,
115 strlen (dirname
) + 1, 0, locale
, NULL
, NULL
,
116 NULL
, NULL
, NULL
, NULL
, NULL
, domainname
, 0);
119 /* We know something about this locale. */
122 if (retval
->decided
== 0)
123 _nl_load_domain (retval
);
125 if (retval
->data
!= NULL
)
128 for (cnt
= 0; retval
->successor
[cnt
] != NULL
; ++cnt
)
130 if (retval
->successor
[cnt
]->decided
== 0)
131 _nl_load_domain (retval
->successor
[cnt
]);
133 if (retval
->successor
[cnt
]->data
!= NULL
)
136 return cnt
>= 0 ? retval
: NULL
;
140 /* See whether the locale value is an alias. If yes its value
141 *overwrites* the alias name. No test for the original value is
143 alias_value
= _nl_expand_alias (locale
);
144 if (alias_value
!= NULL
)
146 #if defined _LIBC || defined HAVE_STRDUP
147 locale
= strdup (alias_value
);
151 size_t len
= strlen (alias_value
) + 1;
152 locale
= (char *) malloc (len
);
156 memcpy (locale
, alias_value
, len
);
160 /* Now we determine the single parts of the locale name. First
161 look for the language. Termination symbols are `_' and `@' if
162 we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
163 mask
= _nl_explode_name (locale
, &language
, &modifier
, &territory
,
164 &codeset
, &normalized_codeset
, &special
,
165 &sponsor
, &revision
);
167 /* Create all possible locale entries which might be interested in
169 retval
= _nl_make_l10nflist (&_nl_loaded_domains
, dirname
,
170 strlen (dirname
) + 1, mask
, language
, territory
,
171 codeset
, normalized_codeset
, modifier
, special
,
172 sponsor
, revision
, domainname
, 1);
174 /* This means we are out of core. */
177 if (retval
->decided
== 0)
178 _nl_load_domain (retval
);
179 if (retval
->data
== NULL
)
182 for (cnt
= 0; retval
->successor
[cnt
] != NULL
; ++cnt
)
184 if (retval
->successor
[cnt
]->decided
== 0)
185 _nl_load_domain (retval
->successor
[cnt
]);
186 if (retval
->successor
[cnt
]->data
!= NULL
)
191 /* The room for an alias was dynamically allocated. Free it now. */
192 if (alias_value
!= NULL
)
200 static void __attribute__ ((unused
))
203 struct loaded_l10nfile
*runp
= _nl_loaded_domains
;
207 struct loaded_l10nfile
*here
= runp
;
208 if (runp
->data
!= NULL
)
209 _nl_unload_domain ((struct loaded_domain
*) runp
->data
);
215 text_set_element (__libc_subfreeres
, free_mem
);
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