xref: /freebsd/lib/libc/locale/mblocal.h (revision a0409676120c1e558d0ade943019934e0f15118d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright 2013 Garrett D'Amore <garrett@damore.org>
5  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
6  * Copyright (c) 2004 Tim J. Robbins.
7  * All rights reserved.
8  *
9  * Copyright (c) 2011 The FreeBSD Foundation
10  * All rights reserved.
11  * Portions of this software were developed by David Chisnall
12  * under sponsorship from the FreeBSD Foundation.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in the
21  *    documentation and/or other materials provided with the distribution.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * $FreeBSD$
36  */
37 
38 #ifndef _MBLOCAL_H_
39 #define	_MBLOCAL_H_
40 
41 #include <runetype.h>
42 #include "xlocale_private.h"
43 
44 #define	SS2	0x008e
45 #define SS3	0x008f
46 
47 /*
48  * Conversion function pointers for current encoding.
49  */
50 struct xlocale_ctype {
51 	struct xlocale_component header;
52 	_RuneLocale *runes;
53 	size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict,
54 		size_t, mbstate_t * __restrict);
55 	int (*__mbsinit)(const mbstate_t *);
56 	size_t (*__mbsnrtowcs)(wchar_t * __restrict, const char ** __restrict,
57 		size_t, size_t, mbstate_t * __restrict);
58 	size_t (*__wcrtomb)(char * __restrict, wchar_t, mbstate_t * __restrict);
59 	size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict,
60 		size_t, size_t, mbstate_t * __restrict);
61 	int __mb_cur_max;
62 	int __mb_sb_limit;
63 	/** Persistent state used by mblen() calls. */
64 	__mbstate_t mblen;
65 	/** Persistent state used by mbrlen() calls. */
66 	__mbstate_t mbrlen;
67 	/** Persistent state used by mbrtoc16() calls. */
68 	__mbstate_t mbrtoc16;
69 	/** Persistent state used by mbrtoc32() calls. */
70 	__mbstate_t mbrtoc32;
71 	/** Persistent state used by mbrtowc() calls. */
72 	__mbstate_t mbrtowc;
73 	/** Persistent state used by mbsnrtowcs() calls. */
74 	__mbstate_t mbsnrtowcs;
75 	/** Persistent state used by mbsrtowcs() calls. */
76 	__mbstate_t mbsrtowcs;
77 	/** Persistent state used by mbtowc() calls. */
78 	__mbstate_t mbtowc;
79 	/** Persistent state used by c16rtomb() calls. */
80 	__mbstate_t c16rtomb;
81 	/** Persistent state used by c32rtomb() calls. */
82 	__mbstate_t c32rtomb;
83 	/** Persistent state used by wcrtomb() calls. */
84 	__mbstate_t wcrtomb;
85 	/** Persistent state used by wcsnrtombs() calls. */
86 	__mbstate_t wcsnrtombs;
87 	/** Persistent state used by wcsrtombs() calls. */
88 	__mbstate_t wcsrtombs;
89 	/** Persistent state used by wctomb() calls. */
90 	__mbstate_t wctomb;
91 };
92 #define XLOCALE_CTYPE(x) ((struct xlocale_ctype*)(x)->components[XLC_CTYPE])
93 extern struct xlocale_ctype __xlocale_global_ctype;
94 
95 /*
96  * Rune initialization function prototypes.
97  */
98 int	_none_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
99 int	_UTF8_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
100 int	_EUC_CN_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
101 int	_EUC_JP_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
102 int	_EUC_KR_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
103 int	_EUC_TW_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
104 int	_GB18030_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
105 int	_GB2312_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
106 int	_GBK_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
107 int	_BIG5_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
108 int	_MSKanji_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
109 int	_ascii_init(struct xlocale_ctype *, _RuneLocale *) __hidden;
110 
111 typedef size_t (*mbrtowc_pfn_t)(wchar_t * __restrict,
112     const char * __restrict, size_t, mbstate_t * __restrict);
113 typedef size_t (*wcrtomb_pfn_t)(char * __restrict, wchar_t,
114     mbstate_t * __restrict);
115 size_t __mbsnrtowcs_std(wchar_t * __restrict, const char ** __restrict,
116     size_t, size_t, mbstate_t * __restrict, mbrtowc_pfn_t);
117 size_t __wcsnrtombs_std(char * __restrict, const wchar_t ** __restrict,
118     size_t, size_t, mbstate_t * __restrict, wcrtomb_pfn_t);
119 
120 #endif	/* _MBLOCAL_H_ */
121