1/* 2 * Copyright (c) 2005, 2008 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24#ifndef _XLOCALE_PRIVATE_H_ 25#define _XLOCALE_PRIVATE_H_ 26 27#include <sys/cdefs.h> 28#define __DARWIN_XLOCALE_PRIVATE 29#include <xlocale.h> 30#undef __DARWIN_XLOCALE_PRIVATE 31#include <stdlib.h> 32#include <locale.h> 33#include <libkern/OSAtomic.h> 34#include <pthread.h> 35#include <pthread_spinlock.h> 36#include <limits.h> 37#include "setlocale.h" 38#include "collate.h" 39#include "runetype.h" 40#include "lmessages.h" 41#include "lmonetary.h" 42#include "lnumeric.h" 43#include "timelocal.h" 44 45#undef MB_CUR_MAX 46#define MB_CUR_MAX (__current_locale()->__lc_ctype->__mb_cur_max) 47#undef MB_CUR_MAX_L 48#define MB_CUR_MAX_L(x) ((x)->__lc_ctype->__mb_cur_max) 49 50typedef void (*__free_extra_t)(void *); 51 52#define XPERMANENT ((__free_extra_t)-1) 53#define XMAGIC 0x786c6f63616c6530LL /* 'xlocale0' */ 54 55#define __STRUCT_COMMON \ 56 int32_t __refcount; \ 57 __free_extra_t __free_extra; 58 59struct __xlocale_st_collate { 60 __STRUCT_COMMON 61 char __encoding[ENCODING_LEN + 1]; 62 struct __collate_st_info __info; 63 struct __collate_st_subst *__substitute_table[COLL_WEIGHTS_MAX]; 64 struct __collate_st_chain_pri *__chain_pri_table; 65 struct __collate_st_large_char_pri *__large_char_pri_table; 66 struct __collate_st_char_pri __char_pri_table[UCHAR_MAX + 1]; 67}; 68struct __xlocale_st_runelocale { 69 __STRUCT_COMMON 70 char __ctype_encoding[ENCODING_LEN + 1]; 71 int __mb_cur_max; 72 int __mb_sb_limit; 73 size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict, 74 size_t, __darwin_mbstate_t * __restrict, struct _xlocale *); 75 int (*__mbsinit)(const __darwin_mbstate_t *, struct _xlocale *); 76 size_t (*__mbsnrtowcs)(wchar_t * __restrict, const char ** __restrict, 77 size_t, size_t, __darwin_mbstate_t * __restrict, struct _xlocale *); 78 size_t (*__wcrtomb)(char * __restrict, wchar_t, 79 __darwin_mbstate_t * __restrict, struct _xlocale *); 80 size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict, 81 size_t, size_t, __darwin_mbstate_t * __restrict, struct _xlocale *); 82 int __datasize; 83 _RuneLocale _CurrentRuneLocale; 84}; 85struct __xlocale_st_ldpart { 86 __STRUCT_COMMON 87 char *_locale_buf; 88}; 89/* 90 * the next four structures must have the first three fields of the same 91 * as the _xlocale_st_ldpart structure above. 92 */ 93struct __xlocale_st_messages { 94 __STRUCT_COMMON 95 char *_messages_locale_buf; 96 struct lc_messages_T _messages_locale; 97}; 98struct __xlocale_st_monetary { 99 __STRUCT_COMMON 100 char *_monetary_locale_buf; 101 struct lc_monetary_T _monetary_locale; 102}; 103struct __xlocale_st_numeric { 104 __STRUCT_COMMON 105 char *_numeric_locale_buf; 106 struct lc_numeric_T _numeric_locale; 107}; 108struct __xlocale_st_time { 109 __STRUCT_COMMON 110 char *_time_locale_buf; 111 struct lc_time_T _time_locale; 112}; 113 114/* the extended locale structure */ 115 /* values for __numeric_fp_cvt */ 116#define LC_NUMERIC_FP_UNINITIALIZED 0 117#define LC_NUMERIC_FP_SAME_LOCALE 1 118#define LC_NUMERIC_FP_USE_LOCALE 2 119 120struct _xlocale { 121/* The item(s) before __magic are not copied when duplicating locale_t's */ 122 __STRUCT_COMMON /* only used for locale_t's in __lc_numeric_loc */ 123 /* 10 independent mbstate_t buffers! */ 124 __darwin_mbstate_t __mbs_mblen; 125 __darwin_mbstate_t __mbs_mbrlen; 126 __darwin_mbstate_t __mbs_mbrtowc; 127 __darwin_mbstate_t __mbs_mbsnrtowcs; 128 __darwin_mbstate_t __mbs_mbsrtowcs; 129 __darwin_mbstate_t __mbs_mbtowc; 130 __darwin_mbstate_t __mbs_wcrtomb; 131 __darwin_mbstate_t __mbs_wcsnrtombs; 132 __darwin_mbstate_t __mbs_wcsrtombs; 133 __darwin_mbstate_t __mbs_wctomb; 134 pthread_lock_t __lock; 135/* magic (Here up to the end is copied when duplicating locale_t's) */ 136 int64_t __magic; 137/* flags */ 138 unsigned char __collate_load_error; 139 unsigned char __collate_substitute_nontrivial; 140 unsigned char _messages_using_locale; 141 unsigned char _monetary_using_locale; 142 unsigned char _numeric_using_locale; 143 unsigned char _time_using_locale; 144 unsigned char __mlocale_changed; 145 unsigned char __nlocale_changed; 146 unsigned char __numeric_fp_cvt; 147/* collate */ 148 struct __xlocale_st_collate *__lc_collate; 149/* ctype */ 150 struct __xlocale_st_runelocale *__lc_ctype; 151/* messages */ 152 struct __xlocale_st_messages *__lc_messages; 153/* monetary */ 154 struct __xlocale_st_monetary *__lc_monetary; 155/* numeric */ 156 struct __xlocale_st_numeric *__lc_numeric; 157 struct _xlocale *__lc_numeric_loc; 158/* time */ 159 struct __xlocale_st_time *__lc_time; 160/* localeconv */ 161 struct lconv __lc_localeconv; 162}; 163 164#define DEFAULT_CURRENT_LOCALE(x) \ 165 if ((x) == NULL) { \ 166 (x) = __current_locale(); \ 167 } else if ((x) == LC_GLOBAL_LOCALE) { \ 168 (x) = &__global_locale; \ 169 } 170 171#define NORMALIZE_LOCALE(x) if ((x) == NULL) { \ 172 (x) = _c_locale; \ 173 } else if ((x) == LC_GLOBAL_LOCALE) { \ 174 (x) = &__global_locale; \ 175 } 176 177#define XL_LOCK(x) LOCK((x)->__lock); 178#define XL_RELEASE(x) if ((x) && (x)->__free_extra != XPERMANENT && OSAtomicDecrement32Barrier(&(x)->__refcount) == 0) { \ 179 if ((x)->__free_extra) \ 180 (*(x)->__free_extra)((x)); \ 181 free((x)); \ 182 } 183#define XL_RETAIN(x) if ((x) && (x)->__free_extra != XPERMANENT) { OSAtomicIncrement32Barrier(&(x)->__refcount); } 184#define XL_UNLOCK(x) UNLOCK((x)->__lock); 185 186__private_extern__ struct __xlocale_st_runelocale _DefaultRuneXLocale; 187__private_extern__ struct _xlocale __global_locale; 188__private_extern__ pthread_key_t __locale_key; 189 190__BEGIN_DECLS 191 192void __ldpart_free_extra(struct __xlocale_st_ldpart *); 193locale_t __numeric_ctype(locale_t); 194void __xlocale_init(void); 195 196static inline __attribute__((always_inline)) locale_t 197__current_locale(void) 198{ 199 locale_t __locale = (locale_t)pthread_getspecific(__locale_key); 200 return (__locale ? __locale : &__global_locale); 201} 202 203static inline __attribute__((always_inline)) locale_t 204__locale_ptr(locale_t __loc) 205{ 206 NORMALIZE_LOCALE(__loc); 207 return __loc; 208} 209 210__END_DECLS 211 212#endif /* _XLOCALE_PRIVATE_H_ */ 213