xref: /minix/lib/libc/citrus/citrus_iconv_local.h (revision 2fe8fb19)
1 /*	$NetBSD: citrus_iconv_local.h,v 1.3 2008/02/09 14:56:20 junyoung Exp $	*/
2 
3 /*-
4  * Copyright (c)2003 Citrus Project,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _CITRUS_ICONV_LOCAL_H_
30 #define _CITRUS_ICONV_LOCAL_H_
31 
32 #define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)				\
33 int _n_(struct _citrus_iconv_ops *, size_t, uint32_t)
34 #define _CITRUS_ICONV_GETOPS_FUNC(_n_)					\
35 _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
36 
37 #define _CITRUS_ICONV_DECLS(_m_)					\
38 static int	_citrus_##_m_##_iconv_init_shared			\
39 	(struct _citrus_iconv_shared * __restrict,			\
40 	 const char * __restrict,					\
41 	 const char * __restrict, const char * __restrict,		\
42 	 const void * __restrict, size_t);				\
43 static void	_citrus_##_m_##_iconv_uninit_shared			\
44 	(struct _citrus_iconv_shared *);				\
45 static int	_citrus_##_m_##_iconv_convert				\
46 	(struct _citrus_iconv * __restrict,				\
47 	 const char * __restrict * __restrict, size_t * __restrict,	\
48 	 char * __restrict * __restrict, size_t * __restrict outbytes,	\
49 	 uint32_t, size_t * __restrict);				\
50 static int	_citrus_##_m_##_iconv_init_context			\
51 	(struct _citrus_iconv *);					\
52 static void	_citrus_##_m_##_iconv_uninit_context			\
53 	(struct _citrus_iconv *)
54 
55 
56 #define _CITRUS_ICONV_DEF_OPS(_m_)					\
57 struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {			\
58 	/* io_abi_version */	_CITRUS_ICONV_ABI_VERSION,		\
59 	/* io_init_shared */	&_citrus_##_m_##_iconv_init_shared,	\
60 	/* io_uninit_shared */	&_citrus_##_m_##_iconv_uninit_shared,	\
61 	/* io_init_context */	&_citrus_##_m_##_iconv_init_context,	\
62 	/* io_uninit_context */	&_citrus_##_m_##_iconv_uninit_context,	\
63 	/* io_convert */	&_citrus_##_m_##_iconv_convert		\
64 }
65 
66 typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
67 typedef	int	(*_citrus_iconv_init_shared_t)
68 	(struct _citrus_iconv_shared * __restrict,
69 	 const char * __restrict, const char * __restrict,
70 	 const char * __restrict, const void * __restrict, size_t);
71 typedef void	(*_citrus_iconv_uninit_shared_t)
72 	(struct _citrus_iconv_shared *);
73 typedef int	(*_citrus_iconv_convert_t)
74 	(struct _citrus_iconv * __restrict,
75 	 const char *__restrict* __restrict, size_t * __restrict,
76 	 char * __restrict * __restrict, size_t * __restrict, uint32_t,
77 	 size_t * __restrict);
78 typedef int	(*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
79 typedef void	(*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
80 
81 struct _citrus_iconv_ops {
82 	uint32_t			io_abi_version;
83 	_citrus_iconv_init_shared_t	io_init_shared;
84 	_citrus_iconv_uninit_shared_t	io_uninit_shared;
85 	_citrus_iconv_init_context_t	io_init_context;
86 	_citrus_iconv_uninit_context_t	io_uninit_context;
87 	_citrus_iconv_convert_t		io_convert;
88 };
89 #define _CITRUS_ICONV_ABI_VERSION	2
90 
91 struct _citrus_iconv_shared {
92 	struct _citrus_iconv_ops			*ci_ops;
93 	void						*ci_closure;
94 	/* private */
95 	_CITRUS_HASH_ENTRY(_citrus_iconv_shared)	ci_hash_entry;
96 	TAILQ_ENTRY(_citrus_iconv_shared)		ci_tailq_entry;
97 	_citrus_module_t				ci_module;
98 	unsigned int					ci_used_count;
99 	char						*ci_convname;
100 };
101 
102 struct _citrus_iconv {
103 	struct _citrus_iconv_shared	*cv_shared;
104 	void				*cv_closure;
105 };
106 
107 #endif
108