xref: /freebsd/lib/libc/locale/mblocal.h (revision c6ec7d31830ab1c80edae95ad5e4b9dba10c47ac)
1 /*-
2  * Copyright (c) 2004 Tim J. Robbins.
3  * All rights reserved.
4  *
5  * Copyright (c) 2011 The FreeBSD Foundation
6  * All rights reserved.
7  * Portions of this software were developed by David Chisnall
8  * under sponsorship from the FreeBSD Foundation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD$
32  */
33 
34 #ifndef _MBLOCAL_H_
35 #define	_MBLOCAL_H_
36 
37 #include <runetype.h>
38 #include "xlocale_private.h"
39 
40 
41 /*
42  * Conversion function pointers for current encoding.
43  */
44 struct xlocale_ctype {
45 	struct xlocale_component header;
46 	_RuneLocale *runes;
47 	size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict,
48 		size_t, mbstate_t * __restrict);
49 	int (*__mbsinit)(const mbstate_t *);
50 	size_t (*__mbsnrtowcs)(wchar_t * __restrict, const char ** __restrict,
51 		size_t, size_t, mbstate_t * __restrict);
52 	size_t (*__wcrtomb)(char * __restrict, wchar_t, mbstate_t * __restrict);
53 	size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict,
54 		size_t, size_t, mbstate_t * __restrict);
55 	int __mb_cur_max;
56 	int __mb_sb_limit;
57 };
58 #define XLOCALE_CTYPE(x) ((struct xlocale_ctype*)(x)->components[XLC_CTYPE])
59 extern struct xlocale_ctype __xlocale_global_ctype;
60 
61 /*
62  * Rune initialization function prototypes.
63  */
64 int	_none_init(struct xlocale_ctype *, _RuneLocale *);
65 int	_ascii_init(struct xlocale_ctype *, _RuneLocale *);
66 int	_UTF8_init(struct xlocale_ctype *, _RuneLocale *);
67 int	_EUC_init(struct xlocale_ctype *, _RuneLocale *);
68 int	_GB18030_init(struct xlocale_ctype *, _RuneLocale *);
69 int	_GB2312_init(struct xlocale_ctype *, _RuneLocale *);
70 int	_GBK_init(struct xlocale_ctype *, _RuneLocale *);
71 int	_BIG5_init(struct xlocale_ctype *, _RuneLocale *);
72 int	_MSKanji_init(struct xlocale_ctype *, _RuneLocale *);
73 
74 extern size_t __mbsnrtowcs_std(wchar_t * __restrict, const char ** __restrict,
75 	size_t, size_t, mbstate_t * __restrict);
76 extern size_t __wcsnrtombs_std(char * __restrict, const wchar_t ** __restrict,
77 	size_t, size_t, mbstate_t * __restrict);
78 
79 #endif	/* _MBLOCAL_H_ */
80