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(FILE *);
68 static int __setrunelocale(struct xlocale_ctype *l, const char *);
70 #define __collate_substitute_nontrivial (table->__collate_substitute_nontrivial)
71 #define __collate_substitute_table_ptr (table->__collate_substitute_table_ptr)
72 #define __collate_char_pri_table_ptr (table->__collate_char_pri_table_ptr)
73 #define __collate_chain_pri_table (table->__collate_chain_pri_table)
76 static void destruct_ctype(void *v)
78 struct xlocale_ctype *l = v;
79 if (strcmp(l->runes->__encoding, "EUC") == 0)
80 free(l->runes->__variable);
81 if (&_DefaultRuneLocale != l->runes)
86 const _RuneLocale *__getCurrentRuneLocale(void)
88 return XLOCALE_CTYPE(__get_locale())->runes;
91 static void free_runes(_RuneLocale *rl)
93 /* FIXME: The "EUC" check here is a hideous abstraction violation. */
94 if ((rl != &_DefaultRuneLocale) && (rl)) {
95 if (strcmp(rl->__encoding, "EUC") == 0) {
103 __setrunelocale(struct xlocale_ctype *l, const char *encoding)
109 struct xlocale_ctype saved = *l;
112 * The "C" and "POSIX" locale are always here.
114 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
115 free_runes(saved.runes);
116 (void) _none_init(l, (_RuneLocale*)&_DefaultRuneLocale);
120 /* Range checking not needed, encoding length already checked before */
121 (void) strcpy(name, _PathLocale);
122 (void) strcat(name, "/");
123 (void) strcat(name, encoding);
124 (void) strcat(name, "/LC_CTYPE");
126 if ((fp = fopen(name, "r")) == NULL)
127 return (errno == 0 ? ENOENT : errno);
129 if ((rl = _Read_RuneMagi(fp)) == NULL) {
130 saverr = (errno == 0 ? EFTYPE : errno);
138 l->__mbsnrtowcs = __mbsnrtowcs_std;
140 l->__wcsnrtombs = __wcsnrtombs_std;
142 rl->__sputrune = NULL;
143 rl->__sgetrune = NULL;
144 if (strcmp(rl->__encoding, "NONE") == 0)
145 ret = _none_init(l, rl);
146 else if (strcmp(rl->__encoding, "ASCII") == 0)
147 ret = _ascii_init(l, rl);
148 else if (strcmp(rl->__encoding, "UTF-8") == 0)
149 ret = _UTF8_init(l, rl);
150 else if (strcmp(rl->__encoding, "EUC") == 0)
151 ret = _EUC_init(l, rl);
152 else if (strcmp(rl->__encoding, "GB18030") == 0)
153 ret = _GB18030_init(l, rl);
154 else if (strcmp(rl->__encoding, "GB2312") == 0)
155 ret = _GB2312_init(l, rl);
156 else if (strcmp(rl->__encoding, "GBK") == 0)
157 ret = _GBK_init(l, rl);
158 else if (strcmp(rl->__encoding, "BIG5") == 0)
159 ret = _BIG5_init(l, rl);
160 else if (strcmp(rl->__encoding, "MSKanji") == 0)
161 ret = _MSKanji_init(l, rl);
166 /* Free the old runes if it exists. */
167 free_runes(saved.runes);
169 /* Restore the saved version if this failed. */
170 memcpy(l, &saved, sizeof(struct xlocale_ctype));
178 __wrap_setrunelocale(const char *locale)
180 int ret = __setrunelocale(&__xlocale_global_ctype, locale);
186 __mb_cur_max = __xlocale_global_ctype.__mb_cur_max;
187 __mb_sb_limit = __xlocale_global_ctype.__mb_sb_limit;
188 _CurrentRuneLocale = __xlocale_global_ctype.runes;
189 return (_LDP_LOADED);
194 __set_thread_rune_locale(locale_t loc) {
197 _ThreadRuneLocale = &_DefaultRuneLocale;
199 _ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
205 __ctype_load(const char *locale, locale_t unused)
207 struct xlocale_ctype *l = calloc(sizeof(struct xlocale_ctype), 1);
208 l->header.header.destructor = destruct_ctype;
209 if (__setrunelocale(l, locale))