1 /* Implementation of the bindtextdomain(3) function
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 #if defined STDC_HEADERS || defined _LIBC
32 #if defined HAVE_STRING_H || defined _LIBC
37 # define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
44 # include "libgettext.h"
49 /* @@ end of prolog @@ */
51 /* Contains the default location of the message catalogs. */
52 extern const char _nl_default_dirname[];
54 /* List with bindings of specific domains. */
55 extern struct binding *_nl_domain_bindings;
58 /* Names for the libintl functions are a problem. They must not clash
59 with existing names and they should follow ANSI C. But this source
60 code is also used in GNU C Library where the names have a __
61 prefix. So we have to make a difference here. */
63 # define BINDTEXTDOMAIN __bindtextdomain
64 # define strdup(str) __strdup (str)
66 # define BINDTEXTDOMAIN bindtextdomain__
69 /* Specify that the DOMAINNAME message catalog will be found
70 in DIRNAME rather than in the system locale data base. */
72 BINDTEXTDOMAIN (domainname, dirname)
73 const char *domainname;
76 struct binding *binding;
78 /* Some sanity checks. */
79 if (domainname == NULL || domainname[0] == '\0')
82 for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
84 int compare = strcmp (domainname, binding->domainname);
90 /* It is not in the list. */
97 /* The current binding has be to returned. */
98 return binding == NULL ? (char *) _nl_default_dirname : binding->dirname;
102 /* The domain is already bound. If the new value and the old
103 one are equal we simply do nothing. Otherwise replace the
105 if (strcmp (dirname, binding->dirname) != 0)
109 if (strcmp (dirname, _nl_default_dirname) == 0)
110 new_dirname = (char *) _nl_default_dirname;
113 #if defined _LIBC || defined HAVE_STRDUP
114 new_dirname = strdup (dirname);
115 if (new_dirname == NULL)
118 size_t len = strlen (dirname) + 1;
119 new_dirname = (char *) malloc (len);
120 if (new_dirname == NULL)
123 memcpy (new_dirname, dirname, len);
127 if (binding->dirname != _nl_default_dirname)
128 free (binding->dirname);
130 binding->dirname = new_dirname;
135 /* We have to create a new binding. */
137 struct binding *new_binding =
138 (struct binding *) malloc (sizeof (*new_binding));
140 if (new_binding == NULL)
143 #if defined _LIBC || defined HAVE_STRDUP
144 new_binding->domainname = strdup (domainname);
145 if (new_binding->domainname == NULL)
148 len = strlen (domainname) + 1;
149 new_binding->domainname = (char *) malloc (len);
150 if (new_binding->domainname == NULL)
152 memcpy (new_binding->domainname, domainname, len);
155 if (strcmp (dirname, _nl_default_dirname) == 0)
156 new_binding->dirname = (char *) _nl_default_dirname;
159 #if defined _LIBC || defined HAVE_STRDUP
160 new_binding->dirname = strdup (dirname);
161 if (new_binding->dirname == NULL)
164 len = strlen (dirname) + 1;
165 new_binding->dirname = (char *) malloc (len);
166 if (new_binding->dirname == NULL)
168 memcpy (new_binding->dirname, dirname, len);
172 /* Now enqueue it. */
173 if (_nl_domain_bindings == NULL
174 || strcmp (domainname, _nl_domain_bindings->domainname) < 0)
176 new_binding->next = _nl_domain_bindings;
177 _nl_domain_bindings = new_binding;
181 binding = _nl_domain_bindings;
182 while (binding->next != NULL
183 && strcmp (domainname, binding->next->domainname) > 0)
184 binding = binding->next;
186 new_binding->next = binding->next;
187 binding->next = new_binding;
190 binding = new_binding;
193 return binding->dirname;
197 /* Alias for function name in GNU C Library. */
198 weak_alias (__bindtextdomain, bindtextdomain);