3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
8 * Copyright (c) 2011 The FreeBSD Foundation
10 * Portions of this software were developed by David Chisnall
11 * under sponsorship from the FreeBSD Foundation.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #define __RUNETYPE_INTERNAL 1
53 #include "setlocale.h"
55 #undef _CurrentRuneLocale
56 extern _RuneLocale const *_CurrentRuneLocale;
59 * A cached version of the runes for this thread. Used by ctype.h
61 _Thread_local const _RuneLocale *_ThreadRuneLocale;
64 extern int __mb_sb_limit;
66 extern _RuneLocale *_Read_RuneMagi(const char *);
68 static int __setrunelocale(struct xlocale_ctype *l, const char *);
71 destruct_ctype(void *v)
73 struct xlocale_ctype *l = v;
75 if (&_DefaultRuneLocale != l->runes)
81 __getCurrentRuneLocale(void)
84 return XLOCALE_CTYPE(__get_locale())->runes;
88 free_runes(_RuneLocale *rl)
90 if ((rl != &_DefaultRuneLocale) && (rl)) {
96 __setrunelocale(struct xlocale_ctype *l, const char *encoding)
101 struct xlocale_ctype saved = *l;
104 * The "C" and "POSIX" locale are always here.
106 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
107 free_runes(saved.runes);
108 (void) _none_init(l, (_RuneLocale*)&_DefaultRuneLocale);
112 /* Range checking not needed, encoding length already checked before */
113 asprintf(&path, "%s/%s/LC_CTYPE", _PathLocale, encoding);
117 if ((rl = _Read_RuneMagi(path)) == NULL) {
126 l->__mbsnrtowcs = NULL;
128 l->__wcsnrtombs = NULL;
130 rl->__sputrune = NULL;
131 rl->__sgetrune = NULL;
132 if (strcmp(rl->__encoding, "NONE:US-ASCII") == 0)
133 ret = _ascii_init(l, rl);
134 else if (strncmp(rl->__encoding, "NONE", 4) == 0)
135 ret = _none_init(l, rl);
136 else if (strcmp(rl->__encoding, "UTF-8") == 0)
137 ret = _UTF8_init(l, rl);
138 else if (strcmp(rl->__encoding, "EUC-CN") == 0)
139 ret = _EUC_CN_init(l, rl);
140 else if (strcmp(rl->__encoding, "EUC-JP") == 0)
141 ret = _EUC_JP_init(l, rl);
142 else if (strcmp(rl->__encoding, "EUC-KR") == 0)
143 ret = _EUC_KR_init(l, rl);
144 else if (strcmp(rl->__encoding, "EUC-TW") == 0)
145 ret = _EUC_TW_init(l, rl);
146 else if (strcmp(rl->__encoding, "GB18030") == 0)
147 ret = _GB18030_init(l, rl);
148 else if (strcmp(rl->__encoding, "GB2312") == 0)
149 ret = _GB2312_init(l, rl);
150 else if (strcmp(rl->__encoding, "GBK") == 0)
151 ret = _GBK_init(l, rl);
152 else if (strcmp(rl->__encoding, "BIG5") == 0)
153 ret = _BIG5_init(l, rl);
154 else if (strcmp(rl->__encoding, "MSKanji") == 0)
155 ret = _MSKanji_init(l, rl);
160 /* Free the old runes if it exists. */
161 free_runes(saved.runes);
163 /* Restore the saved version if this failed. */
164 memcpy(l, &saved, sizeof(struct xlocale_ctype));
172 __wrap_setrunelocale(const char *locale)
174 int ret = __setrunelocale(&__xlocale_global_ctype, locale);
180 __mb_cur_max = __xlocale_global_ctype.__mb_cur_max;
181 __mb_sb_limit = __xlocale_global_ctype.__mb_sb_limit;
182 _CurrentRuneLocale = __xlocale_global_ctype.runes;
183 return (_LDP_LOADED);
188 __set_thread_rune_locale(locale_t loc)
192 _ThreadRuneLocale = &_DefaultRuneLocale;
193 } else if (loc == LC_GLOBAL_LOCALE) {
194 _ThreadRuneLocale = 0;
196 _ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
202 __ctype_load(const char *locale, locale_t unused __unused)
204 struct xlocale_ctype *l = calloc(sizeof(struct xlocale_ctype), 1);
206 l->header.header.destructor = destruct_ctype;
207 if (__setrunelocale(l, locale))