[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>
#include <xlocale.h>
#include <stdlib.h>
#include <locale.h>
#include <libkern/OSAtomic.h>
#include <pthread.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];
	unsigned char __substitute_table[UCHAR_MAX + 1][STR_LEN];
	struct __collate_st_char_pri __char_pri_table[UCHAR_MAX + 1];
	struct __collate_st_chain_pri *__chain_pri_table;
};
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 */
struct _xlocale {
/* The item(s) before __magic are not copied when duplicating locale_t's */
	/* 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;
/* 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;
/* 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 *);
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>
	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_ */