locale/xlocale_private.h

   1 /*
   2  * Copyright (c) 2005 Apple Computer, 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 <limits.h>
  36 #include "setlocale.h"
  37 #include "collate.h"
  38 #include "runetype.h"
  39 #include "lmessages.h"
  40 #include "lmonetary.h"
  41 #include "lnumeric.h"
  42 #include "timelocal.h"
  43
  44 #undef MB_CUR_MAX
  45 #define MB_CUR_MAX      (__current_locale()->__lc_ctype->__mb_cur_max)
  46 #undef MB_CUR_MAX_L
  47 #define MB_CUR_MAX_L(x) ((x)->__lc_ctype->__mb_cur_max)
  48
  49 extern int __is_threaded;
  50
  51 typedef void (*__free_extra_t)(void *);
  52
  53 #define XPERMANENT      ((__free_extra_t)-1)
  54 #define XMAGIC          0x786c6f63616c6530LL    /* 'xlocale0' */
  55
  56 #define __STRUCT_COMMON \
  57         int32_t __refcount; \
  58         __free_extra_t __free_extra;
  59
  60 struct __xlocale_st_collate {
  61         __STRUCT_COMMON
  62         char __encoding[ENCODING_LEN + 1];
  63         struct __collate_st_info __info;
  64         struct __collate_st_subst *__substitute_table[COLL_WEIGHTS_MAX];
  65         struct __collate_st_chain_pri *__chain_pri_table;
  66         struct __collate_st_large_char_pri *__large_char_pri_table;
  67         struct __collate_st_char_pri __char_pri_table[UCHAR_MAX + 1];
  68 };
  69 struct __xlocale_st_runelocale {
  70         __STRUCT_COMMON
  71         char __ctype_encoding[ENCODING_LEN + 1];
  72         int __mb_cur_max;
  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 };
  85 struct __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  */
  93 struct __xlocale_st_messages {
  94         __STRUCT_COMMON
  95         char *_messages_locale_buf;
  96         struct lc_messages_T _messages_locale;
  97 };
  98 struct __xlocale_st_monetary {
  99         __STRUCT_COMMON
 100         char *_monetary_locale_buf;
 101         struct lc_monetary_T _monetary_locale;
 102 };
 103 struct __xlocale_st_numeric {
 104         __STRUCT_COMMON
 105         char *_numeric_locale_buf;
 106         struct lc_numeric_T _numeric_locale;
 107 };
 108 struct __xlocale_st_time {
 109         __STRUCT_COMMON
 110         char *_time_locale_buf;
 111         struct lc_time_T _time_locale;
 112 };
 113
 114 struct __xlocale_st_localeconv {
 115         __STRUCT_COMMON
 116         struct lconv __ret;
 117 };
 118
 119 /* the extended locale structure */
 120     /* values for __numeric_fp_cvt */
 121 #define LC_NUMERIC_FP_UNINITIALIZED     0
 122 #define LC_NUMERIC_FP_SAME_LOCALE       1
 123 #define LC_NUMERIC_FP_USE_LOCALE        2
 124
 125 struct _xlocale {
 126 /* The item(s) before __magic are not copied when duplicating locale_t's */
 127         __STRUCT_COMMON /* only used for locale_t's in __lc_numeric_loc */
 128         /* 10 independent mbstate_t buffers! */
 129         __darwin_mbstate_t __mbs_mblen;
 130         __darwin_mbstate_t __mbs_mbrlen;
 131         __darwin_mbstate_t __mbs_mbrtowc;
 132         __darwin_mbstate_t __mbs_mbsnrtowcs;
 133         __darwin_mbstate_t __mbs_mbsrtowcs;
 134         __darwin_mbstate_t __mbs_mbtowc;
 135         __darwin_mbstate_t __mbs_wcrtomb;
 136         __darwin_mbstate_t __mbs_wcsnrtombs;
 137         __darwin_mbstate_t __mbs_wcsrtombs;
 138         __darwin_mbstate_t __mbs_wctomb;
 139 /* magic (Here up to the end is copied when duplicating locale_t's) */
 140         int64_t __magic;
 141 /* flags */
 142         unsigned char __collate_load_error;
 143         unsigned char __collate_substitute_nontrivial;
 144         unsigned char _messages_using_locale;
 145         unsigned char _monetary_using_locale;
 146         unsigned char _numeric_using_locale;
 147         unsigned char _time_using_locale;
 148         unsigned char __mlocale_changed;
 149         unsigned char __nlocale_changed;
 150         unsigned char __numeric_fp_cvt;
 151 /* collate */
 152         struct __xlocale_st_collate *__lc_collate;
 153 /* ctype */
 154         struct __xlocale_st_runelocale *__lc_ctype;
 155 /* messages */
 156         struct __xlocale_st_messages *__lc_messages;
 157 /* monetary */
 158         struct __xlocale_st_monetary *__lc_monetary;
 159 /* numeric */
 160         struct __xlocale_st_numeric *__lc_numeric;
 161         struct _xlocale *__lc_numeric_loc;
 162 /* time */
 163         struct __xlocale_st_time *__lc_time;
 164 /* localeconv */
 165         struct __xlocale_st_localeconv *__lc_localeconv;
 166 };
 167
 168 #define NORMALIZE_LOCALE(x)     if ((x) == NULL) { \
 169                                         (x) = _c_locale; \
 170                                 } else if ((x) == LC_GLOBAL_LOCALE) { \
 171                                         (x) = &__global_locale; \
 172                                 }
 173
 174 #define XL_RELEASE(x)   if ((x) && (x)->__free_extra != XPERMANENT && OSAtomicDecrement32Barrier(&(x)->__refcount) <= 0) { \
 175                                 if ((x)->__free_extra) \
 176                                         (*(x)->__free_extra)((x)); \
 177                                 free((x)); \
 178                         }
 179 #define XL_RETAIN(x)    if ((x) && (x)->__free_extra != XPERMANENT) { OSAtomicIncrement32Barrier(&(x)->__refcount); }
 180
 181 __private_extern__ struct __xlocale_st_runelocale _DefaultRuneXLocale;
 182 __private_extern__ struct _xlocale      __global_locale;
 183 __private_extern__ pthread_key_t        __locale_key;
 184
 185 __BEGIN_DECLS
 186
 187 void    __ldpart_free_extra(struct __xlocale_st_ldpart *);
 188 locale_t __numeric_ctype(locale_t);
 189 void    __xlocale_init(void);
 190
 191 static inline __attribute__((always_inline)) locale_t
 192 __current_locale(void)
 193 {
 194         locale_t __locale = (locale_t)pthread_getspecific(__locale_key);
 195         return (__locale ? __locale : &__global_locale);
 196 }
 197
 198 static inline __attribute__((always_inline)) locale_t
 199 __locale_ptr(locale_t __loc)
 200 {
 201         return (__loc == LC_GLOBAL_LOCALE ? &__global_locale : __loc);
 202 }
 203
 204 __END_DECLS
 205
 206 #endif /* _XLOCALE_PRIVATE_H_ */