1 /* Implementation of the bindtextdomain(3) function
2 Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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
36 #if defined HAVE_STRING_H || defined _LIBC
41 # define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
48 # include "libgettext.h"
53 /* @@ end of prolog @@ */
55 /* Contains the default location of the message catalogs. */
56 extern const char _nl_default_dirname[];
58 /* List with bindings of specific domains. */
59 extern struct binding *_nl_domain_bindings;
62 /* Names for the libintl functions are a problem. They must not clash
63 with existing names and they should follow ANSI C. But this source
64 code is also used in GNU C Library where the names have a __
65 prefix. So we have to make a difference here. */
67 # define BINDTEXTDOMAIN __bindtextdomain
69 # define strdup(str) __strdup (str)
72 # define BINDTEXTDOMAIN bindtextdomain__
75 /* Specify that the DOMAINNAME message catalog will be found
76 in DIRNAME rather than in the system locale data base. */
78 BINDTEXTDOMAIN (domainname, dirname)
79 const char *domainname;
82 struct binding *binding;
84 /* Some sanity checks. */
85 if (domainname == NULL || domainname[0] == '\0')
88 for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
90 int compare = strcmp (domainname, binding->domainname);
96 /* It is not in the list. */
103 /* The current binding has be to returned. */
104 return binding == NULL ? (char *) _nl_default_dirname : binding->dirname;
108 /* The domain is already bound. If the new value and the old
109 one are equal we simply do nothing. Otherwise replace the
111 if (strcmp (dirname, binding->dirname) != 0)
115 if (strcmp (dirname, _nl_default_dirname) == 0)
116 new_dirname = (char *) _nl_default_dirname;
119 #if defined _LIBC || defined HAVE_STRDUP
120 new_dirname = strdup (dirname);
121 if (new_dirname == NULL)
124 size_t len = strlen (dirname) + 1;
125 new_dirname = (char *) malloc (len);
126 if (new_dirname == NULL)
129 memcpy (new_dirname, dirname, len);
133 if (binding->dirname != _nl_default_dirname)
134 free (binding->dirname);
136 binding->dirname = new_dirname;
141 /* We have to create a new binding. */
142 #if !defined _LIBC && !defined HAVE_STRDUP
145 struct binding *new_binding =
146 (struct binding *) malloc (sizeof (*new_binding));
148 if (new_binding == NULL)
151 #if defined _LIBC || defined HAVE_STRDUP
152 new_binding->domainname = strdup (domainname);
153 if (new_binding->domainname == NULL)
156 len = strlen (domainname) + 1;
157 new_binding->domainname = (char *) malloc (len);
158 if (new_binding->domainname == NULL)
160 memcpy (new_binding->domainname, domainname, len);
163 if (strcmp (dirname, _nl_default_dirname) == 0)
164 new_binding->dirname = (char *) _nl_default_dirname;
167 #if defined _LIBC || defined HAVE_STRDUP
168 new_binding->dirname = strdup (dirname);
169 if (new_binding->dirname == NULL)
172 len = strlen (dirname) + 1;
173 new_binding->dirname = (char *) malloc (len);
174 if (new_binding->dirname == NULL)
176 memcpy (new_binding->dirname, dirname, len);
180 /* Now enqueue it. */
181 if (_nl_domain_bindings == NULL
182 || strcmp (domainname, _nl_domain_bindings->domainname) < 0)
184 new_binding->next = _nl_domain_bindings;
185 _nl_domain_bindings = new_binding;
189 binding = _nl_domain_bindings;
190 while (binding->next != NULL
191 && strcmp (domainname, binding->next->domainname) > 0)
192 binding = binding->next;
194 new_binding->next = binding->next;
195 binding->next = new_binding;
198 binding = new_binding;
201 return binding->dirname;
205 /* Alias for function name in GNU C Library. */
206 weak_alias (__bindtextdomain, bindtextdomain);