xref: /titanic_41/usr/src/lib/libc/port/i18n/gettext.c (revision ee5416c9d7e449233197d5d20bc6b81e4ff091b2)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #pragma weak bindtextdomain = _bindtextdomain
30 #pragma weak textdomain = _textdomain
31 #pragma weak gettext = _gettext
32 #pragma weak dgettext = _dgettext
33 #pragma weak dcgettext = _dcgettext
34 #pragma weak ngettext = _ngettext
35 #pragma weak dngettext = _dngettext
36 #pragma weak dcngettext = _dcngettext
37 #pragma weak bind_textdomain_codeset = _bind_textdomain_codeset
38 
39 #include "synonyms.h"
40 #include "mtlib.h"
41 #include <errno.h>
42 #include <ctype.h>
43 #include <locale.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <sys/types.h>
47 #include <sys/param.h>
48 #include <libintl.h>
49 #include <thread.h>
50 #include <synch.h>
51 #include "libc.h"
52 #include "_loc_path.h"
53 #include "msgfmt.h"
54 #include "gettext.h"
55 
56 #define	INIT_GT(def) \
57 	if (!global_gt) { \
58 		global_gt = (Gettext_t *)calloc(1, sizeof (Gettext_t)); \
59 		if (global_gt) \
60 			global_gt->cur_domain = (char *)default_domain; \
61 		else { \
62 			callout_lock_exit(); \
63 			return ((def)); \
64 		} \
65 	}
66 
67 const char	*defaultbind = DEFAULT_BINDING;
68 const char	default_domain[] = DEFAULT_DOMAIN;
69 Gettext_t	*global_gt = NULL;
70 
71 char *
72 _bindtextdomain(const char *domain, const char *binding)
73 {
74 	char	*res;
75 
76 	callout_lock_enter();
77 	INIT_GT(NULL);
78 	res = _real_bindtextdomain_u(domain, binding, TP_BINDING);
79 	callout_lock_exit();
80 	return (res);
81 }
82 
83 char *
84 _bind_textdomain_codeset(const char *domain, const char *codeset)
85 {
86 	char	*res;
87 
88 	callout_lock_enter();
89 	INIT_GT(NULL);
90 	res = _real_bindtextdomain_u(domain, codeset, TP_CODESET);
91 	callout_lock_exit();
92 	return (res);
93 }
94 
95 /*
96  * textdomain() sets or queries the name of the current domain of
97  * the active LC_MESSAGES locale category.
98  */
99 char *
100 _textdomain(const char *domain)
101 {
102 	char	*res;
103 	char	tmp_domain[TEXTDOMAINMAX + 1];
104 
105 	callout_lock_enter();
106 	INIT_GT(NULL);
107 	res = _textdomain_u(domain, tmp_domain);
108 	if (res == NULL) {
109 		callout_lock_exit();
110 		return (NULL);
111 	}
112 	callout_lock_exit();
113 	return (CURRENT_DOMAIN(global_gt));
114 }
115 
116 /*
117  * gettext() is a pass-thru to _real_gettext_u() with a NULL pointer passed
118  * for domain and LC_MESSAGES passed for category.
119  */
120 char *
121 _gettext(const char *msg_id)
122 {
123 	char	*res;
124 	int	errno_save = errno;
125 
126 	callout_lock_enter();
127 	INIT_GT((char *)msg_id);
128 	res = _real_gettext_u(NULL, msg_id, NULL, 0, LC_MESSAGES, 0);
129 	callout_lock_exit();
130 	errno = errno_save;
131 	return (res);
132 }
133 
134 
135 /*
136  * In dcgettext() call, domain is valid only for this call.
137  */
138 char *
139 _dgettext(const char *domain, const char *msg_id)
140 {
141 	char	*res;
142 	int	errno_save = errno;
143 
144 	callout_lock_enter();
145 	INIT_GT((char *)msg_id);
146 	res = _real_gettext_u(domain, msg_id, NULL, 0, LC_MESSAGES, 0);
147 	callout_lock_exit();
148 	errno = errno_save;
149 	return (res);
150 }
151 
152 char *
153 _dcgettext(const char *domain, const char *msg_id, const int category)
154 {
155 	char	*res;
156 	int	errno_save = errno;
157 
158 	callout_lock_enter();
159 	INIT_GT((char *)msg_id);
160 	res = _real_gettext_u(domain, msg_id, NULL, 0, category, 0);
161 	callout_lock_exit();
162 	errno = errno_save;
163 	return (res);
164 }
165 
166 char *
167 _ngettext(const char *msgid1, const char *msgid2, unsigned long int n)
168 {
169 	char	*res;
170 	int	errno_save = errno;
171 
172 	callout_lock_enter();
173 	INIT_GT((char *)msgid1);
174 	res = _real_gettext_u(NULL, msgid1, msgid2, n, LC_MESSAGES, 1);
175 	callout_lock_exit();
176 	errno = errno_save;
177 	return (res);
178 }
179 
180 char *
181 _dngettext(const char *domain, const char *msgid1, const char *msgid2,
182 	unsigned long int n)
183 {
184 	char	*res;
185 	int	errno_save = errno;
186 
187 	callout_lock_enter();
188 	INIT_GT((char *)msgid1);
189 	res = _real_gettext_u(domain, msgid1, msgid2, n, LC_MESSAGES, 1);
190 	callout_lock_exit();
191 	errno = errno_save;
192 	return (res);
193 }
194 
195 char *
196 _dcngettext(const char *domain, const char *msgid1, const char *msgid2,
197 	unsigned long int n, int category)
198 {
199 	char	*res;
200 	int	errno_save = errno;
201 
202 	callout_lock_enter();
203 	INIT_GT((char *)msgid1);
204 	res = _real_gettext_u(domain, msgid1, msgid2, n, category, 1);
205 	callout_lock_exit();
206 	errno = errno_save;
207 	return (res);
208 }
209