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 #include <xlocale.h>
  29 #include <stdlib.h>
  30 #include <locale.h>
  31 #include <libkern/OSAtomic.h>
  32 #include <pthread.h>
  33 #include "setlocale.h"
  34 #include "collate.h"
  35 #include "runetype.h"
  36 #include "lmessages.h"
  37 #include "lmonetary.h"
  38 #include "lnumeric.h"
  39 #include "timelocal.h"
  40
  41 #undef MB_CUR_MAX
  42 #define MB_CUR_MAX      (__current_locale()->__lc_ctype->__mb_cur_max)
  43 #undef MB_CUR_MAX_L
  44 #define MB_CUR_MAX_L(x) ((x)->__lc_ctype->__mb_cur_max)
  45
  46 extern int __is_threaded;
  47
  48 typedef void (*__free_extra_t)(void *);
  49
  50 #define XPERMANENT      ((__free_extra_t)-1)
  51 #define XMAGIC          0x786c6f63616c6530LL    /* 'xlocale0' */
  52
  53 #define __STRUCT_COMMON \
  54         int32_t __refcount; \
  55         __free_extra_t __free_extra;
  56
  57 struct __xlocale_st_collate {
  58         __STRUCT_COMMON
  59         char __encoding[ENCODING_LEN + 1];
  60         unsigned char __substitute_table[UCHAR_MAX + 1][STR_LEN];
  61         struct __collate_st_char_pri __char_pri_table[UCHAR_MAX + 1];
  62         struct __collate_st_chain_pri *__chain_pri_table;
  63 };
  64 struct __xlocale_st_runelocale {
  65         __STRUCT_COMMON
  66         char __ctype_encoding[ENCODING_LEN + 1];
  67         int __mb_cur_max;
  68         size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict,
  69             size_t, __darwin_mbstate_t * __restrict, struct _xlocale *);
  70         int (*__mbsinit)(const __darwin_mbstate_t *, struct _xlocale *);
  71         size_t (*__mbsnrtowcs)(wchar_t * __restrict, const char ** __restrict,
  72             size_t, size_t, __darwin_mbstate_t * __restrict, struct _xlocale *);
  73         size_t (*__wcrtomb)(char * __restrict, wchar_t,
  74             __darwin_mbstate_t * __restrict, struct _xlocale *);
  75         size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict,
  76             size_t, size_t, __darwin_mbstate_t * __restrict, struct _xlocale *);
  77         int __datasize;
  78         _RuneLocale _CurrentRuneLocale;
  79 };
  80 struct __xlocale_st_ldpart {
  81         __STRUCT_COMMON
  82         char *_locale_buf;
  83 };
  84 /*
  85  * the next four structures must have the first three fields of the same
  86  * as the _xlocale_st_ldpart structure above.
  87  */
  88 struct __xlocale_st_messages {
  89         __STRUCT_COMMON
  90         char *_messages_locale_buf;
  91         struct lc_messages_T _messages_locale;
  92 };
  93 struct __xlocale_st_monetary {
  94         __STRUCT_COMMON
  95         char *_monetary_locale_buf;
  96         struct lc_monetary_T _monetary_locale;
  97 };
  98 struct __xlocale_st_numeric {
  99         __STRUCT_COMMON
 100         char *_numeric_locale_buf;
 101         struct lc_numeric_T _numeric_locale;
 102 };
 103 struct __xlocale_st_time {
 104         __STRUCT_COMMON
 105         char *_time_locale_buf;
 106         struct lc_time_T _time_locale;
 107 };
 108
 109 struct __xlocale_st_localeconv {
 110         __STRUCT_COMMON
 111         struct lconv __ret;
 112 };
 113
 114 /* the extended locale structure */
 115 struct _xlocale {
 116 /* The item(s) before __magic are not copied when duplicating locale_t's */
 117         /* 10 independent mbstate_t buffers! */
 118         __darwin_mbstate_t __mbs_mblen;
 119         __darwin_mbstate_t __mbs_mbrlen;
 120         __darwin_mbstate_t __mbs_mbrtowc;
 121         __darwin_mbstate_t __mbs_mbsnrtowcs;
 122         __darwin_mbstate_t __mbs_mbsrtowcs;
 123         __darwin_mbstate_t __mbs_mbtowc;
 124         __darwin_mbstate_t __mbs_wcrtomb;
 125         __darwin_mbstate_t __mbs_wcsnrtombs;
 126         __darwin_mbstate_t __mbs_wcsrtombs;
 127         __darwin_mbstate_t __mbs_wctomb;
 128 /* magic (Here up to the end is copied when duplicating locale_t's) */
 129         int64_t __magic;
 130 /* flags */
 131         unsigned char __collate_load_error;
 132         unsigned char __collate_substitute_nontrivial;
 133         unsigned char _messages_using_locale;
 134         unsigned char _monetary_using_locale;
 135         unsigned char _numeric_using_locale;
 136         unsigned char _time_using_locale;
 137         unsigned char __mlocale_changed;
 138         unsigned char __nlocale_changed;
 139 /* collate */
 140         struct __xlocale_st_collate *__lc_collate;
 141 /* ctype */
 142         struct __xlocale_st_runelocale *__lc_ctype;
 143 /* messages */
 144         struct __xlocale_st_messages *__lc_messages;
 145 /* monetary */
 146         struct __xlocale_st_monetary *__lc_monetary;
 147 /* numeric */
 148         struct __xlocale_st_numeric *__lc_numeric;
 149 /* time */
 150         struct __xlocale_st_time *__lc_time;
 151 /* localeconv */
 152         struct __xlocale_st_localeconv *__lc_localeconv;
 153 };
 154
 155 #define NORMALIZE_LOCALE(x)     if ((x) == NULL) { \
 156                                         (x) = _c_locale; \
 157                                 } else if ((x) == LC_GLOBAL_LOCALE) { \
 158                                         (x) = &__global_locale; \
 159                                 }
 160
 161 #define XL_RELEASE(x)   if ((x) && (x)->__free_extra != XPERMANENT && OSAtomicDecrement32Barrier(&(x)->__refcount) <= 0) { \
 162                                 if ((x)->__free_extra) \
 163                                         (*(x)->__free_extra)((x)); \
 164                                 free((x)); \
 165                         }
 166 #define XL_RETAIN(x)    if ((x) && (x)->__free_extra != XPERMANENT) { OSAtomicIncrement32Barrier(&(x)->__refcount); }
 167
 168 __private_extern__ struct __xlocale_st_runelocale _DefaultRuneXLocale;
 169 __private_extern__ struct _xlocale      __global_locale;
 170 __private_extern__ pthread_key_t        __locale_key;
 171
 172 __BEGIN_DECLS
 173
 174 void    __ldpart_free_extra(struct __xlocale_st_ldpart *);
 175 void    __xlocale_init(void);
 176
 177 static inline __attribute__((always_inline)) locale_t
 178 __current_locale(void)
 179 {
 180         locale_t __locale = (locale_t)pthread_getspecific(__locale_key);
 181         return (__locale ? __locale : &__global_locale);
 182 }
 183
 184 static inline __attribute__((always_inline)) locale_t
 185 __locale_ptr(locale_t __loc)
 186 {
 187         return (__loc == LC_GLOBAL_LOCALE ? &__global_locale : __loc);
 188 }
 189
 190 __END_DECLS
 191
 192 #endif /* _XLOCALE_PRIVATE_H_ */