Deleted Added
full compact
setrunelocale.c (290494) setrunelocale.c (290618)
1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
7 *
8 * Copyright (c) 2011 The FreeBSD Foundation
9 * All rights reserved.
10 * Portions of this software were developed by David Chisnall
11 * under sponsorship from the FreeBSD Foundation.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
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.
24 *
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
35 * SUCH DAMAGE.
36 */
37
38#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
7 *
8 * Copyright (c) 2011 The FreeBSD Foundation
9 * All rights reserved.
10 * Portions of this software were developed by David Chisnall
11 * under sponsorship from the FreeBSD Foundation.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
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.
24 *
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
35 * SUCH DAMAGE.
36 */
37
38#include <sys/cdefs.h>
39__FBSDID("$FreeBSD: head/lib/libc/locale/setrunelocale.c 290494 2015-11-07 12:43:35Z bapt $");
39__FBSDID("$FreeBSD: head/lib/libc/locale/setrunelocale.c 290618 2015-11-09 22:06:22Z bapt $");
40
41#define __RUNETYPE_INTERNAL 1
42
43#include <runetype.h>
44#include <errno.h>
45#include <limits.h>
46#include <string.h>
47#include <stdio.h>
48#include <stdlib.h>
49#include <unistd.h>
50#include <wchar.h>
51#include "ldpart.h"
52#include "mblocal.h"
53#include "setlocale.h"
54
55#undef _CurrentRuneLocale
56extern _RuneLocale const *_CurrentRuneLocale;
57#ifndef __NO_TLS
58/*
59 * A cached version of the runes for this thread. Used by ctype.h
60 */
61_Thread_local const _RuneLocale *_ThreadRuneLocale;
62#endif
63
64extern int __mb_sb_limit;
65
66extern _RuneLocale *_Read_RuneMagi(const char *);
67
68static int __setrunelocale(struct xlocale_ctype *l, const char *);
69
70static void
71destruct_ctype(void *v)
72{
73 struct xlocale_ctype *l = v;
74
75 if (&_DefaultRuneLocale != l->runes)
76 free(l->runes);
77 free(l);
78}
79
80const _RuneLocale *
81__getCurrentRuneLocale(void)
82{
83
84 return XLOCALE_CTYPE(__get_locale())->runes;
85}
86
87static void
88free_runes(_RuneLocale *rl)
89{
90 if ((rl != &_DefaultRuneLocale) && (rl)) {
91 free(rl);
92 }
93}
94
95static int
96__setrunelocale(struct xlocale_ctype *l, const char *encoding)
97{
98 _RuneLocale *rl;
99 int ret;
100 char *path;
101 struct xlocale_ctype saved = *l;
102
103 /*
104 * The "C" and "POSIX" locale are always here.
105 */
106 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
107 free_runes(saved.runes);
108 (void) _none_init(l, (_RuneLocale*)&_DefaultRuneLocale);
109 return (0);
110 }
111
112 /* Range checking not needed, encoding length already checked before */
113 asprintf(&path, "%s/%s/LC_CTYPE", _PathLocale, encoding);
114 if (path == NULL)
115 return (0);
116
117 if ((rl = _Read_RuneMagi(path)) == NULL) {
118 free(path);
119 errno = EINVAL;
120 return (errno);
121 }
122 free(path);
123
124 l->__mbrtowc = NULL;
125 l->__mbsinit = NULL;
126 l->__mbsnrtowcs = NULL;
127 l->__wcrtomb = NULL;
128 l->__wcsnrtombs = NULL;
129
130 rl->__sputrune = NULL;
131 rl->__sgetrune = NULL;
40
41#define __RUNETYPE_INTERNAL 1
42
43#include <runetype.h>
44#include <errno.h>
45#include <limits.h>
46#include <string.h>
47#include <stdio.h>
48#include <stdlib.h>
49#include <unistd.h>
50#include <wchar.h>
51#include "ldpart.h"
52#include "mblocal.h"
53#include "setlocale.h"
54
55#undef _CurrentRuneLocale
56extern _RuneLocale const *_CurrentRuneLocale;
57#ifndef __NO_TLS
58/*
59 * A cached version of the runes for this thread. Used by ctype.h
60 */
61_Thread_local const _RuneLocale *_ThreadRuneLocale;
62#endif
63
64extern int __mb_sb_limit;
65
66extern _RuneLocale *_Read_RuneMagi(const char *);
67
68static int __setrunelocale(struct xlocale_ctype *l, const char *);
69
70static void
71destruct_ctype(void *v)
72{
73 struct xlocale_ctype *l = v;
74
75 if (&_DefaultRuneLocale != l->runes)
76 free(l->runes);
77 free(l);
78}
79
80const _RuneLocale *
81__getCurrentRuneLocale(void)
82{
83
84 return XLOCALE_CTYPE(__get_locale())->runes;
85}
86
87static void
88free_runes(_RuneLocale *rl)
89{
90 if ((rl != &_DefaultRuneLocale) && (rl)) {
91 free(rl);
92 }
93}
94
95static int
96__setrunelocale(struct xlocale_ctype *l, const char *encoding)
97{
98 _RuneLocale *rl;
99 int ret;
100 char *path;
101 struct xlocale_ctype saved = *l;
102
103 /*
104 * The "C" and "POSIX" locale are always here.
105 */
106 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
107 free_runes(saved.runes);
108 (void) _none_init(l, (_RuneLocale*)&_DefaultRuneLocale);
109 return (0);
110 }
111
112 /* Range checking not needed, encoding length already checked before */
113 asprintf(&path, "%s/%s/LC_CTYPE", _PathLocale, encoding);
114 if (path == NULL)
115 return (0);
116
117 if ((rl = _Read_RuneMagi(path)) == NULL) {
118 free(path);
119 errno = EINVAL;
120 return (errno);
121 }
122 free(path);
123
124 l->__mbrtowc = NULL;
125 l->__mbsinit = NULL;
126 l->__mbsnrtowcs = NULL;
127 l->__wcrtomb = NULL;
128 l->__wcsnrtombs = NULL;
129
130 rl->__sputrune = NULL;
131 rl->__sgetrune = NULL;
132 if (strncmp(rl->__encoding, "NONE", 4) == 0)
132 if (strcmp(rl->__encoding, "NONE:US-ASCII") == 0)
133 ret = _ascii_init(l, rl);
134 else if (strncmp(rl->__encoding, "NONE", 4) == 0)
133 ret = _none_init(l, rl);
134 else if (strcmp(rl->__encoding, "UTF-8") == 0)
135 ret = _UTF8_init(l, rl);
136 else if (strcmp(rl->__encoding, "EUC-CN") == 0)
137 ret = _EUC_CN_init(l, rl);
138 else if (strcmp(rl->__encoding, "EUC-JP") == 0)
139 ret = _EUC_JP_init(l, rl);
140 else if (strcmp(rl->__encoding, "EUC-KR") == 0)
141 ret = _EUC_KR_init(l, rl);
142 else if (strcmp(rl->__encoding, "EUC-TW") == 0)
143 ret = _EUC_TW_init(l, rl);
144 else if (strcmp(rl->__encoding, "GB18030") == 0)
145 ret = _GB18030_init(l, rl);
146 else if (strcmp(rl->__encoding, "GB2312") == 0)
147 ret = _GB2312_init(l, rl);
148 else if (strcmp(rl->__encoding, "GBK") == 0)
149 ret = _GBK_init(l, rl);
150 else if (strcmp(rl->__encoding, "BIG5") == 0)
151 ret = _BIG5_init(l, rl);
152 else if (strcmp(rl->__encoding, "MSKanji") == 0)
153 ret = _MSKanji_init(l, rl);
154 else
155 ret = EFTYPE;
156
157 if (ret == 0) {
158 /* Free the old runes if it exists. */
159 free_runes(saved.runes);
160 } else {
161 /* Restore the saved version if this failed. */
162 memcpy(l, &saved, sizeof(struct xlocale_ctype));
163 free(rl);
164 }
165
166 return (ret);
167}
168
169int
170__wrap_setrunelocale(const char *locale)
171{
172 int ret = __setrunelocale(&__xlocale_global_ctype, locale);
173
174 if (ret != 0) {
175 errno = ret;
176 return (_LDP_ERROR);
177 }
178 __mb_cur_max = __xlocale_global_ctype.__mb_cur_max;
179 __mb_sb_limit = __xlocale_global_ctype.__mb_sb_limit;
180 _CurrentRuneLocale = __xlocale_global_ctype.runes;
181 return (_LDP_LOADED);
182}
183
184#ifndef __NO_TLS
185void
186__set_thread_rune_locale(locale_t loc)
187{
188
189 if (loc == NULL) {
190 _ThreadRuneLocale = &_DefaultRuneLocale;
191 } else if (loc == LC_GLOBAL_LOCALE) {
192 _ThreadRuneLocale = 0;
193 } else {
194 _ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
195 }
196}
197#endif
198
199void *
200__ctype_load(const char *locale, locale_t unused __unused)
201{
202 struct xlocale_ctype *l = calloc(sizeof(struct xlocale_ctype), 1);
203
204 l->header.header.destructor = destruct_ctype;
205 if (__setrunelocale(l, locale))
206 {
207 free(l);
208 return NULL;
209 }
210 return l;
211}
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);
156 else
157 ret = EFTYPE;
158
159 if (ret == 0) {
160 /* Free the old runes if it exists. */
161 free_runes(saved.runes);
162 } else {
163 /* Restore the saved version if this failed. */
164 memcpy(l, &saved, sizeof(struct xlocale_ctype));
165 free(rl);
166 }
167
168 return (ret);
169}
170
171int
172__wrap_setrunelocale(const char *locale)
173{
174 int ret = __setrunelocale(&__xlocale_global_ctype, locale);
175
176 if (ret != 0) {
177 errno = ret;
178 return (_LDP_ERROR);
179 }
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);
184}
185
186#ifndef __NO_TLS
187void
188__set_thread_rune_locale(locale_t loc)
189{
190
191 if (loc == NULL) {
192 _ThreadRuneLocale = &_DefaultRuneLocale;
193 } else if (loc == LC_GLOBAL_LOCALE) {
194 _ThreadRuneLocale = 0;
195 } else {
196 _ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
197 }
198}
199#endif
200
201void *
202__ctype_load(const char *locale, locale_t unused __unused)
203{
204 struct xlocale_ctype *l = calloc(sizeof(struct xlocale_ctype), 1);
205
206 l->header.header.destructor = destruct_ctype;
207 if (__setrunelocale(l, locale))
208 {
209 free(l);
210 return NULL;
211 }
212 return l;
213}