1/* $FreeBSD$ */
2/* $NetBSD: citrus_iconv_local.h,v 1.3 2008/02/09 14:56:20 junyoung 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 <iconv.h>
34
35#define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)				\
36    int _n_(struct _citrus_iconv_ops *)
37#define _CITRUS_ICONV_GETOPS_FUNC(_n_)					\
38    _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
39
40#define _CITRUS_ICONV_DECLS(_m_)					\
41static int	 _citrus_##_m_##_iconv_init_shared			\
42		    (struct _citrus_iconv_shared * __restrict,		\
43	 	    const char * __restrict, const char * __restrict);	\
44static void	 _citrus_##_m_##_iconv_uninit_shared			\
45		    (struct _citrus_iconv_shared *);			\
46static int	 _citrus_##_m_##_iconv_convert				\
47		    (struct _citrus_iconv * __restrict,			\
48		    char * __restrict * __restrict,			\
49		    size_t * __restrict,				\
50		    char * __restrict * __restrict,			\
51		    size_t * __restrict outbytes,			\
52	 	    uint32_t, size_t * __restrict);			\
53static int	 _citrus_##_m_##_iconv_init_context			\
54		    (struct _citrus_iconv *);				\
55static void	 _citrus_##_m_##_iconv_uninit_context			\
56		    (struct _citrus_iconv *)
57
58
59#define _CITRUS_ICONV_DEF_OPS(_m_)					\
60struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {			\
61	/* io_init_shared */	&_citrus_##_m_##_iconv_init_shared,	\
62	/* io_uninit_shared */	&_citrus_##_m_##_iconv_uninit_shared,	\
63	/* io_init_context */	&_citrus_##_m_##_iconv_init_context,	\
64	/* io_uninit_context */	&_citrus_##_m_##_iconv_uninit_context,	\
65	/* io_convert */	&_citrus_##_m_##_iconv_convert		\
66}
67
68typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
69typedef	int (*_citrus_iconv_init_shared_t)
70    (struct _citrus_iconv_shared * __restrict,
71    const char * __restrict, const char * __restrict);
72typedef void (*_citrus_iconv_uninit_shared_t)
73    (struct _citrus_iconv_shared *);
74typedef int (*_citrus_iconv_convert_t)
75    (struct _citrus_iconv * __restrict,
76    char *__restrict* __restrict, size_t * __restrict,
77    char * __restrict * __restrict, size_t * __restrict, uint32_t,
78    size_t * __restrict);
79typedef int (*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
80typedef void (*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
81
82struct _citrus_iconv_ops {
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
90struct _citrus_iconv_shared {
91	struct _citrus_iconv_ops			*ci_ops;
92	void						*ci_closure;
93	_CITRUS_HASH_ENTRY(_citrus_iconv_shared)	 ci_hash_entry;
94	TAILQ_ENTRY(_citrus_iconv_shared)		 ci_tailq_entry;
95	_citrus_module_t				 ci_module;
96	unsigned int					 ci_used_count;
97	char						*ci_convname;
98	bool						 ci_discard_ilseq;
99	struct iconv_hooks				*ci_hooks;
100};
101
102struct _citrus_iconv {
103	struct _citrus_iconv_shared			*cv_shared;
104	void						*cv_closure;
105};
106
107#endif
108