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1 /* intl-compat.c - Stub functions to call gettext functions from GNU gettext
2 Library.
3 Copyright (C) 1995, 2000, 2001 Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU Library General Public License as published
7 by the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
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 GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
18 USA. */
19
20 #ifdef HAVE_CONFIG_H
21 # include <autoconf.h>
22 #endif
23
24 #include "libgnuintl.h"
25 #include "gettextP.h"
26
27 /* @@ end of prolog @@ */
28
29 /* This file redirects the gettext functions (without prefix or suffix) to
30 those defined in the included GNU gettext library (with "__" suffix).
31 It is compiled into libintl when the included GNU gettext library is
32 configured --with-included-gettext.
33
34 This redirection works also in the case that the system C library or
35 the system libintl library contain gettext/textdomain/... functions.
36 If it didn't, we would need to add preprocessor level redirections to
37 libgnuintl.h of the following form:
38
39 # define gettext gettext__
40 # define dgettext dgettext__
41 # define dcgettext dcgettext__
42 # define ngettext ngettext__
43 # define dngettext dngettext__
44 # define dcngettext dcngettext__
45 # define textdomain textdomain__
46 # define bindtextdomain bindtextdomain__
47 # define bind_textdomain_codeset bind_textdomain_codeset__
48
49 How does this redirection work? There are two cases.
50 A. When libintl.a is linked into an executable, it works because
51 functions defined in the executable always override functions in
52 the shared libraries.
53 B. When libintl.so is used, it works because
54 1. those systems defining gettext/textdomain/... in the C library
55 (namely, Solaris 2.4 and newer, and GNU libc 2.0 and newer) are
56 ELF systems and define these symbols as weak, thus explicitly
57 letting other shared libraries override it.
58 2. those systems defining gettext/textdomain/... in a standalone
59 libintl.so library (namely, Solaris 2.3 and newer) have this
60 shared library in /usr/lib, and the linker will search /usr/lib
61 *after* the directory where the GNU gettext library is installed.
62
63 A third case, namely when libintl.a is linked into a shared library
64 whose name is not libintl.so, is not supported. In this case, on
65 Solaris, when -lintl precedes the linker option for the shared library
66 containing GNU gettext, the system's gettext would indeed override
67 the GNU gettext. Anyone doing this kind of stuff must be clever enough
68 to 1. compile libintl.a with -fPIC, 2. remove -lintl from his linker
69 command line. */
70
71
72 #undef gettext
73 #undef dgettext
74 #undef dcgettext
75 #undef ngettext
76 #undef dngettext
77 #undef dcngettext
78 #undef textdomain
79 #undef bindtextdomain
80 #undef bind_textdomain_codeset
81
82
83 char *
84 gettext (msgid)
85 const char *msgid;
86 {
87 return gettext__ (msgid);
88 }
89
90
91 char *
92 dgettext (domainname, msgid)
93 const char *domainname;
94 const char *msgid;
95 {
96 return dgettext__ (domainname, msgid);
97 }
98
99
100 char *
101 dcgettext (domainname, msgid, category)
102 const char *domainname;
103 const char *msgid;
104 int category;
105 {
106 return dcgettext__ (domainname, msgid, category);
107 }
108
109
110 char *
111 ngettext (msgid1, msgid2, n)
112 const char *msgid1;
113 const char *msgid2;
114 unsigned long int n;
115 {
116 return ngettext__ (msgid1, msgid2, n);
117 }
118
119
120 char *
121 dngettext (domainname, msgid1, msgid2, n)
122 const char *domainname;
123 const char *msgid1;
124 const char *msgid2;
125 unsigned long int n;
126 {
127 return dngettext__ (domainname, msgid1, msgid2, n);
128 }
129
130
131 char *
132 dcngettext (domainname, msgid1, msgid2, n, category)
133 const char *domainname;
134 const char *msgid1;
135 const char *msgid2;
136 unsigned long int n;
137 int category;
138 {
139 return dcngettext__ (domainname, msgid1, msgid2, n, category);
140 }
141
142
143 char *
144 textdomain (domainname)
145 const char *domainname;
146 {
147 return textdomain__ (domainname);
148 }
149
150
151 char *
152 bindtextdomain (domainname, dirname)
153 const char *domainname;
154 const char *dirname;
155 {
156 return bindtextdomain__ (domainname, dirname);
157 }
158
159
160 char *
161 bind_textdomain_codeset (domainname, codeset)
162 const char *domainname;
163 const char *codeset;
164 {
165 return bind_textdomain_codeset__ (domainname, codeset);
166 }