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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
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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;
58 * A cached version of the runes for this thread. Used by ctype.h
60 __thread const _RuneLocale *_ThreadRuneLocale;
62 extern _RuneLocale *_Read_RuneMagi(const char *);
64 static int __setrunelocale(struct xlocale_ctype *l, const char *);
67 destruct_ctype(void *v)
69 struct xlocale_ctype *l = v;
71 if (&_DefaultRuneLocale != l->runes)
77 __getCurrentRuneLocale(void)
80 return (XLOCALE_CTYPE(__get_locale())->runes);
84 free_runes(_RuneLocale *rl)
86 if ((rl != &_DefaultRuneLocale) && (rl)) {
92 __setrunelocale(struct xlocale_ctype *l, const char *encoding)
97 struct xlocale_ctype saved = *l;
100 * The "C" and "POSIX" locale are always here.
102 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
103 free_runes(saved.runes);
104 (void) _none_init(l, (_RuneLocale*)&_DefaultRuneLocale);
108 /* Range checking not needed, encoding length already checked before */
109 (void) snprintf(path, sizeof (path), "%s/%s/LC_CTYPE",
110 _PathLocale, encoding);
112 if ((rl = _Read_RuneMagi(path)) == NULL) {
119 l->__mbsnrtowcs = NULL;
121 l->__wcsnrtombs = NULL;
123 rl->__sputrune = NULL;
124 rl->__sgetrune = NULL;
125 if (strcmp(rl->__encoding, "NONE:US-ASCII") == 0)
126 ret = _ascii_init(l, rl);
127 else if (strncmp(rl->__encoding, "NONE", 4) == 0)
128 ret = _none_init(l, rl);
129 else if (strcmp(rl->__encoding, "UTF-8") == 0)
130 ret = _UTF8_init(l, rl);
131 else if (strcmp(rl->__encoding, "EUC-CN") == 0)
132 ret = _EUC_CN_init(l, rl);
133 else if (strcmp(rl->__encoding, "EUC-JP") == 0)
134 ret = _EUC_JP_init(l, rl);
135 else if (strcmp(rl->__encoding, "EUC-KR") == 0)
136 ret = _EUC_KR_init(l, rl);
137 else if (strcmp(rl->__encoding, "EUC-TW") == 0)
138 ret = _EUC_TW_init(l, rl);
139 else if (strcmp(rl->__encoding, "GB18030") == 0)
140 ret = _GB18030_init(l, rl);
141 else if (strcmp(rl->__encoding, "GB2312") == 0)
142 ret = _GB2312_init(l, rl);
143 else if (strcmp(rl->__encoding, "GBK") == 0)
144 ret = _GBK_init(l, rl);
145 else if (strcmp(rl->__encoding, "BIG5") == 0)
146 ret = _BIG5_init(l, rl);
147 else if (strcmp(rl->__encoding, "MSKanji") == 0)
148 ret = _MSKanji_init(l, rl);
153 /* Free the old runes if it exists. */
154 free_runes(saved.runes);
156 /* Restore the saved version if this failed. */
157 memcpy(l, &saved, sizeof(struct xlocale_ctype));
165 __wrap_setrunelocale(const char *locale)
167 int ret = __setrunelocale(&__xlocale_global_ctype, locale);
173 __mb_cur_max = __xlocale_global_ctype.__mb_cur_max;
174 __mb_sb_limit = __xlocale_global_ctype.__mb_sb_limit;
175 _CurrentRuneLocale = __xlocale_global_ctype.runes;
176 return (_LDP_LOADED);
180 __set_thread_rune_locale(locale_t loc)
184 _ThreadRuneLocale = &_DefaultRuneLocale;
185 } else if (loc == LC_GLOBAL_LOCALE) {
186 _ThreadRuneLocale = NULL;
188 _ThreadRuneLocale = XLOCALE_CTYPE(loc)->runes;
193 __ctype_load(const char *locale, locale_t unused __unused)
195 struct xlocale_ctype *l = calloc(sizeof(struct xlocale_ctype), 1);
197 l->header.header.destructor = destruct_ctype;
198 if (__setrunelocale(l, locale)) {