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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.
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14 * modification, are permitted provided that the following conditions
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37 * $FreeBSD: head/lib/libc/locale/setrunelocale.c 264038 2014-04-02 11:10:46Z theraven $
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 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 (void) snprintf(path, sizeof (path), "%s/%s/LC_CTYPE",
114 _PathLocale, encoding);
116 if ((rl = _Read_RuneMagi(path)) == NULL) {
123 l->__mbsnrtowcs = NULL;
125 l->__wcsnrtombs = NULL;
127 rl->__sputrune = NULL;
128 rl->__sgetrune = NULL;
129 if (strcmp(rl->__encoding, "NONE") == 0)
130 ret = _none_init(l, rl);
131 else if (strcmp(rl->__encoding, "UTF-8") == 0)
132 ret = _UTF8_init(l, rl);
133 else if (strcmp(rl->__encoding, "EUC-CN") == 0)
134 ret = _EUC_CN_init(l, rl);
135 else if (strcmp(rl->__encoding, "EUC-JP") == 0)
136 ret = _EUC_JP_init(l, rl);
137 else if (strcmp(rl->__encoding, "EUC-KR") == 0)
138 ret = _EUC_KR_init(l, rl);
139 else if (strcmp(rl->__encoding, "EUC-TW") == 0)
140 ret = _EUC_TW_init(l, rl);
141 else if (strcmp(rl->__encoding, "GB18030") == 0)
142 ret = _GB18030_init(l, rl);
143 else if (strcmp(rl->__encoding, "GB2312") == 0)
144 ret = _GB2312_init(l, rl);
145 else if (strcmp(rl->__encoding, "GBK") == 0)
146 ret = _GBK_init(l, rl);
147 else if (strcmp(rl->__encoding, "BIG5") == 0)
148 ret = _BIG5_init(l, rl);
149 else if (strcmp(rl->__encoding, "MSKanji") == 0)
150 ret = _MSKanji_init(l, rl);
155 /* Free the old runes if it exists. */
156 free_runes(saved.runes);
158 /* Restore the saved version if this failed. */
159 memcpy(l, &saved, sizeof(struct xlocale_ctype));
167 __wrap_setrunelocale(const char *locale)
169 int ret = __setrunelocale(&__xlocale_global_ctype, locale);
175 __mb_cur_max = __xlocale_global_ctype.__mb_cur_max;
176 __mb_sb_limit = __xlocale_global_ctype.__mb_sb_limit;
177 _CurrentRuneLocale = __xlocale_global_ctype.runes;
178 return (_LDP_LOADED);
183 __set_thread_rune_locale(locale_t loc)
187 _ThreadRuneLocale = &_DefaultRuneLocale;
188 } else if (loc == LC_GLOBAL_LOCALE) {
189 _ThreadRuneLocale = 0;
191 _ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
197 __ctype_load(const char *locale, __unused locale_t unused)
199 struct xlocale_ctype *l = calloc(sizeof(struct xlocale_ctype), 1);
201 l->header.header.destructor = destruct_ctype;
202 if (__setrunelocale(l, locale))