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/*
* Copyright 2013 Garrett D'Amore <garrett@damore.org>
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2004 Tim J. Robbins.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _MBLOCAL_H_
#define _MBLOCAL_H_
#include "runetype.h"
#include "lctype.h"
#include <uchar.h>
/*
* Actual implementation structures for mbstate_t data.
*
* All of the conversion states are independent of one another, with the
* exception of that used for mbrtoc16(). That needs to encode data not as a
* wide-character but as UTF-16 data, which means handling surrogate pairs. To
* minimize the amount of state in each locale, we instead have a conversion
* state for this which includes all the other conversion states, plus extra
* data to accomodate this.
*/
typedef struct {
wchar_t ch;
} _BIG5State;
typedef struct {
wchar_t ch;
int set;
int want;
} _EucState;
typedef struct {
int count;
uchar_t bytes[4];
} _GB18030State;
typedef struct {
int count;
uchar_t bytes[2];
} _GB2312State;
typedef struct {
wchar_t ch;
} _GBKState;
typedef struct {
wchar_t ch;
} _MSKanjiState;
typedef struct {
wchar_t ch;
int want;
wchar_t lbound;
} _UTF8State;
typedef struct {
union {
_BIG5State c16_big5;
_EucState c16_euc;
_GB18030State c16_gb18030;
_GB2312State c16_gb2312;
_GBKState c16_gbk;
_MSKanjiState c16_mskanji;
_UTF8State c16_utf8;
} c16_state;
char16_t c16_surrogate;
} _CHAR16State;
/*
* Rune initialization function prototypes.
*/
void _none_init(struct lc_ctype *);
void _UTF8_init(struct lc_ctype *);
void _EUC_CN_init(struct lc_ctype *);
void _EUC_JP_init(struct lc_ctype *);
void _EUC_KR_init(struct lc_ctype *);
void _EUC_TW_init(struct lc_ctype *);
void _GB18030_init(struct lc_ctype *);
void _GB2312_init(struct lc_ctype *);
void _GBK_init(struct lc_ctype *);
void _BIG5_init(struct lc_ctype *);
void _MSKanji_init(struct lc_ctype *);
typedef size_t (*mbrtowc_pfn_t)(wchar_t *_RESTRICT_KYWD,
const char *_RESTRICT_KYWD, size_t, mbstate_t *_RESTRICT_KYWD, boolean_t);
typedef size_t (*wcrtomb_pfn_t)(char *_RESTRICT_KYWD, wchar_t,
mbstate_t *_RESTRICT_KYWD);
size_t __mbsnrtowcs_std(wchar_t *_RESTRICT_KYWD, const char **_RESTRICT_KYWD,
size_t, size_t, mbstate_t *_RESTRICT_KYWD, mbrtowc_pfn_t);
size_t __wcsnrtombs_std(char *_RESTRICT_KYWD, const wchar_t **_RESTRICT_KYWD,
size_t, size_t, mbstate_t *_RESTRICT_KYWD, wcrtomb_pfn_t);
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif /* _MBLOCAL_H_ */
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