[apple/libc.git] / locale / xlocale_private.h

/*
 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#ifndef _XLOCALE_PRIVATE_H_
#define _XLOCALE_PRIVATE_H_

#include <sys/cdefs.h>
#define __DARWIN_XLOCALE_PRIVATE
#include <xlocale.h>
#undef __DARWIN_XLOCALE_PRIVATE
#include <stdlib.h>
#include <locale.h>
#include <libkern/OSAtomic.h>
#include <pthread.h>
#include <limits.h>
#include "setlocale.h"
#include "collate.h"
#include "runetype.h"
#include "lmessages.h"
#include "lmonetary.h"
#include "lnumeric.h"
#include "timelocal.h"

#undef MB_CUR_MAX
#define MB_CUR_MAX	(__current_locale()->__lc_ctype->__mb_cur_max)
#undef MB_CUR_MAX_L
#define MB_CUR_MAX_L(x)	((x)->__lc_ctype->__mb_cur_max)

extern int __is_threaded;

typedef void (*__free_extra_t)(void *);

#define XPERMANENT	((__free_extra_t)-1)
#define XMAGIC		0x786c6f63616c6530LL	/* 'xlocale0' */

#define	__STRUCT_COMMON	\
	int32_t __refcount; \
	__free_extra_t __free_extra;

struct __xlocale_st_collate {
	__STRUCT_COMMON
	char __encoding[ENCODING_LEN + 1];
	struct __collate_st_info __info;
	struct __collate_st_subst *__substitute_table[COLL_WEIGHTS_MAX];
	struct __collate_st_chain_pri *__chain_pri_table;
	struct __collate_st_large_char_pri *__large_char_pri_table;
	struct __collate_st_char_pri __char_pri_table[UCHAR_MAX + 1];
};
struct __xlocale_st_runelocale {
	__STRUCT_COMMON
	char __ctype_encoding[ENCODING_LEN + 1];
	int __mb_cur_max;
	size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict,
	    size_t, __darwin_mbstate_t * __restrict, struct _xlocale *);
	int (*__mbsinit)(const __darwin_mbstate_t *, struct _xlocale *);
	size_t (*__mbsnrtowcs)(wchar_t * __restrict, const char ** __restrict,
	    size_t, size_t, __darwin_mbstate_t * __restrict, struct _xlocale *);
	size_t (*__wcrtomb)(char * __restrict, wchar_t,
	    __darwin_mbstate_t * __restrict, struct _xlocale *);
	size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict,
	    size_t, size_t, __darwin_mbstate_t * __restrict, struct _xlocale *);
	int __datasize;
	_RuneLocale _CurrentRuneLocale;
};
struct __xlocale_st_ldpart {
	__STRUCT_COMMON
	char *_locale_buf;
};
/*
 * the next four structures must have the first three fields of the same
 * as the _xlocale_st_ldpart structure above.
 */
struct __xlocale_st_messages {
	__STRUCT_COMMON
	char *_messages_locale_buf;
	struct lc_messages_T _messages_locale;
};
struct __xlocale_st_monetary {
	__STRUCT_COMMON
	char *_monetary_locale_buf;
	struct lc_monetary_T _monetary_locale;
};
struct __xlocale_st_numeric {
	__STRUCT_COMMON
	char *_numeric_locale_buf;
	struct lc_numeric_T _numeric_locale;
};
struct __xlocale_st_time {
	__STRUCT_COMMON
	char *_time_locale_buf;
	struct lc_time_T _time_locale;
};

struct __xlocale_st_localeconv {
	__STRUCT_COMMON
	struct lconv __ret;
};

/* the extended locale structure */
    /* values for __numeric_fp_cvt */
#define	LC_NUMERIC_FP_UNINITIALIZED	0
#define	LC_NUMERIC_FP_SAME_LOCALE	1
#define	LC_NUMERIC_FP_USE_LOCALE	2

struct _xlocale {
/* The item(s) before __magic are not copied when duplicating locale_t's */
	__STRUCT_COMMON	/* only used for locale_t's in __lc_numeric_loc */
	/* 10 independent mbstate_t buffers! */
	__darwin_mbstate_t __mbs_mblen;
	__darwin_mbstate_t __mbs_mbrlen;
	__darwin_mbstate_t __mbs_mbrtowc;
	__darwin_mbstate_t __mbs_mbsnrtowcs;
	__darwin_mbstate_t __mbs_mbsrtowcs;
	__darwin_mbstate_t __mbs_mbtowc;
	__darwin_mbstate_t __mbs_wcrtomb;
	__darwin_mbstate_t __mbs_wcsnrtombs;
	__darwin_mbstate_t __mbs_wcsrtombs;
	__darwin_mbstate_t __mbs_wctomb;
/* magic (Here up to the end is copied when duplicating locale_t's) */
	int64_t __magic;
/* flags */
	unsigned char __collate_load_error;
	unsigned char __collate_substitute_nontrivial;
	unsigned char _messages_using_locale;
	unsigned char _monetary_using_locale;
	unsigned char _numeric_using_locale;
	unsigned char _time_using_locale;
	unsigned char __mlocale_changed;
	unsigned char __nlocale_changed;
	unsigned char __numeric_fp_cvt;
/* collate */
	struct __xlocale_st_collate *__lc_collate;
/* ctype */
	struct __xlocale_st_runelocale *__lc_ctype;
/* messages */
	struct __xlocale_st_messages *__lc_messages;
/* monetary */
	struct __xlocale_st_monetary *__lc_monetary;
/* numeric */
	struct __xlocale_st_numeric *__lc_numeric;
	struct _xlocale *__lc_numeric_loc;
/* time */
	struct __xlocale_st_time *__lc_time;
/* localeconv */
	struct __xlocale_st_localeconv *__lc_localeconv;
};

#define NORMALIZE_LOCALE(x)	if ((x) == NULL) { \
					(x) = _c_locale; \
				} else if ((x) == LC_GLOBAL_LOCALE) { \
					(x) = &__global_locale; \
				}

#define	XL_RELEASE(x)	if ((x) && (x)->__free_extra != XPERMANENT && OSAtomicDecrement32Barrier(&(x)->__refcount) <= 0) { \
				if ((x)->__free_extra) \
					(*(x)->__free_extra)((x)); \
				free((x)); \
			}
#define	XL_RETAIN(x)	if ((x) && (x)->__free_extra != XPERMANENT) { OSAtomicIncrement32Barrier(&(x)->__refcount); }

__private_extern__ struct __xlocale_st_runelocale _DefaultRuneXLocale;
__private_extern__ struct _xlocale	__global_locale;
__private_extern__ pthread_key_t	__locale_key;

__BEGIN_DECLS

void	__ldpart_free_extra(struct __xlocale_st_ldpart *);
locale_t __numeric_ctype(locale_t);
void	__xlocale_init(void);

static inline __attribute__((always_inline)) locale_t
__current_locale(void)
{
	locale_t __locale = (locale_t)pthread_getspecific(__locale_key);
	return (__locale ? __locale : &__global_locale);
}

static inline __attribute__((always_inline)) locale_t
__locale_ptr(locale_t __loc)
{
	return (__loc == LC_GLOBAL_LOCALE ? &__global_locale : __loc);
}

__END_DECLS

#endif /* _XLOCALE_PRIVATE_H_ */
Commit	Line	Data
3d9156a7 A	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>
224c7076	28	#define __DARWIN_XLOCALE_PRIVATE
3d9156a7	29	#include <xlocale.h>
224c7076	30	#undef __DARWIN_XLOCALE_PRIVATE
3d9156a7 A	31	#include <stdlib.h>
	32	#include <locale.h>
	33	#include <libkern/OSAtomic.h>
	34	#include <pthread.h>
224c7076	35	#include <limits.h>
3d9156a7 A	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];
224c7076 A	63	struct __collate_st_info __info;
224c7076 A	64	struct __collate_st_subst *__substitute_table[COLL_WEIGHTS_MAX];
3d9156a7	65	struct __collate_st_chain_pri *__chain_pri_table;
224c7076 A	66	struct __collate_st_large_char_pri *__large_char_pri_table;
224c7076 A	67	struct __collate_st_char_pri __char_pri_table[UCHAR_MAX + 1];
3d9156a7 A	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 */
224c7076 A	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
3d9156a7 A	125	struct _xlocale {
3d9156a7 A	126	/* The item(s) before __magic are not copied when duplicating locale_t's */
224c7076	127	__STRUCT_COMMON /* only used for locale_t's in __lc_numeric_loc */
3d9156a7 A	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;
224c7076	150	unsigned char __numeric_fp_cvt;
3d9156a7 A	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;
224c7076	161	struct _xlocale *__lc_numeric_loc;
3d9156a7 A	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 *);
224c7076	188	locale_t __numeric_ctype(locale_t);
3d9156a7 A	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_ */