1 /* $NetBSD: citrus_iconv_local.h,v 1.3 2008/02/09 14:56:20 junyoung Exp $ */
2 /* $DragonFly: src/lib/libc/citrus/citrus_iconv_local.h,v 1.3 2008/04/10 10:21:01 hasso Exp $ */
3 
4 /*-
5  * Copyright (c)2003 Citrus Project,
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #ifndef _CITRUS_ICONV_LOCAL_H_
31 #define _CITRUS_ICONV_LOCAL_H_
32 
33 #include "citrus_module.h"
34 
35 struct _citrus_iconv;
36 struct _citrus_iconv_ops;
37 struct _citrus_iconv_shared;
38 
39 #define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)				\
40 int _n_(struct _citrus_iconv_ops *, size_t, uint32_t)
41 #define _CITRUS_ICONV_GETOPS_FUNC(_n_)					\
42 _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
43 
44 #define _CITRUS_ICONV_DECLS(_m_)					\
45 static int	_citrus_##_m_##_iconv_init_shared			\
46 	(struct _citrus_iconv_shared * __restrict,			\
47 	 const char * __restrict,					\
48 	 const char * __restrict, const char * __restrict,		\
49 	 const void * __restrict, size_t);				\
50 static void	_citrus_##_m_##_iconv_uninit_shared			\
51 	(struct _citrus_iconv_shared *);				\
52 static int	_citrus_##_m_##_iconv_convert				\
53 	(struct _citrus_iconv * __restrict,				\
54 	 const char * __restrict * __restrict, size_t * __restrict,	\
55 	 char * __restrict * __restrict, size_t * __restrict outbytes,	\
56 	 uint32_t, size_t * __restrict);				\
57 static int	_citrus_##_m_##_iconv_init_context			\
58 	(struct _citrus_iconv *);					\
59 static void	_citrus_##_m_##_iconv_uninit_context			\
60 	(struct _citrus_iconv *);					\
61 CITRUS_MODULE(_m_, iconv, _citrus_##_m_##_iconv_getops)
62 
63 
64 #define _CITRUS_ICONV_DEF_OPS(_m_)					\
65 struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {			\
66 	/* io_abi_version */	_CITRUS_ICONV_ABI_VERSION,		\
67 	/* io_init_shared */	&_citrus_##_m_##_iconv_init_shared,	\
68 	/* io_uninit_shared */	&_citrus_##_m_##_iconv_uninit_shared,	\
69 	/* io_init_context */	&_citrus_##_m_##_iconv_init_context,	\
70 	/* io_uninit_context */	&_citrus_##_m_##_iconv_uninit_context,	\
71 	/* io_convert */	&_citrus_##_m_##_iconv_convert		\
72 }
73 
74 typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
75 typedef	int	(*_citrus_iconv_init_shared_t)
76 	(struct _citrus_iconv_shared * __restrict,
77 	 const char * __restrict, const char * __restrict,
78 	 const char * __restrict, const void * __restrict, size_t);
79 typedef void	(*_citrus_iconv_uninit_shared_t)
80 	(struct _citrus_iconv_shared *);
81 typedef int	(*_citrus_iconv_convert_t)
82 	(struct _citrus_iconv * __restrict,
83 	 const char *__restrict* __restrict, size_t * __restrict,
84 	 char * __restrict * __restrict, size_t * __restrict, uint32_t,
85 	 size_t * __restrict);
86 typedef int	(*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
87 typedef void	(*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
88 
89 struct _citrus_iconv_ops {
90 	uint32_t			io_abi_version;
91 	_citrus_iconv_init_shared_t	io_init_shared;
92 	_citrus_iconv_uninit_shared_t	io_uninit_shared;
93 	_citrus_iconv_init_context_t	io_init_context;
94 	_citrus_iconv_uninit_context_t	io_uninit_context;
95 	_citrus_iconv_convert_t		io_convert;
96 };
97 #define _CITRUS_ICONV_ABI_VERSION	2
98 
99 struct _citrus_iconv_shared {
100 	struct _citrus_iconv_ops			*ci_ops;
101 	void						*ci_closure;
102 	/* private */
103 	_CITRUS_HASH_ENTRY(_citrus_iconv_shared)	ci_hash_entry;
104 	TAILQ_ENTRY(_citrus_iconv_shared)		ci_tailq_entry;
105 	_citrus_module_t				ci_module;
106 	unsigned int					ci_used_count;
107 	char						*ci_convname;
108 };
109 
110 struct _citrus_iconv {
111 	struct _citrus_iconv_shared	*cv_shared;
112 	void				*cv_closure;
113 };
114 
115 #endif
116