1/* $FreeBSD$ */
2/* $NetBSD: citrus_iconv_local.h,v 1.3 2008/02/09 14:56:20 junyoung Exp $ */
3
4/*-
5 * SPDX-License-Identifier: BSD-2-Clause
6 *
7 * Copyright (c)2003 Citrus Project,
8 * All rights reserved.
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
32#ifndef _CITRUS_ICONV_LOCAL_H_
33#define _CITRUS_ICONV_LOCAL_H_
34
35#include <iconv.h>
36#include <stdbool.h>
37
38#define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)				\
39    int _n_(struct _citrus_iconv_ops *)
40#define _CITRUS_ICONV_GETOPS_FUNC(_n_)					\
41    _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
42
43#define _CITRUS_ICONV_DECLS(_m_)					\
44static int	 _citrus_##_m_##_iconv_init_shared			\
45		    (struct _citrus_iconv_shared * __restrict,		\
46	 	    const char * __restrict, const char * __restrict);	\
47static void	 _citrus_##_m_##_iconv_uninit_shared			\
48		    (struct _citrus_iconv_shared *);			\
49static int	 _citrus_##_m_##_iconv_convert				\
50		    (struct _citrus_iconv * __restrict,			\
51		    char * __restrict * __restrict,			\
52		    size_t * __restrict,				\
53		    char * __restrict * __restrict,			\
54		    size_t * __restrict outbytes,			\
55	 	    uint32_t, size_t * __restrict);			\
56static int	 _citrus_##_m_##_iconv_init_context			\
57		    (struct _citrus_iconv *);				\
58static void	 _citrus_##_m_##_iconv_uninit_context			\
59		    (struct _citrus_iconv *)
60
61
62#define _CITRUS_ICONV_DEF_OPS(_m_)					\
63extern struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops;		\
64struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {			\
65	/* io_init_shared */	&_citrus_##_m_##_iconv_init_shared,	\
66	/* io_uninit_shared */	&_citrus_##_m_##_iconv_uninit_shared,	\
67	/* io_init_context */	&_citrus_##_m_##_iconv_init_context,	\
68	/* io_uninit_context */	&_citrus_##_m_##_iconv_uninit_context,	\
69	/* io_convert */	&_citrus_##_m_##_iconv_convert		\
70}
71
72typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
73typedef	int (*_citrus_iconv_init_shared_t)
74    (struct _citrus_iconv_shared * __restrict,
75    const char * __restrict, const char * __restrict);
76typedef void (*_citrus_iconv_uninit_shared_t)
77    (struct _citrus_iconv_shared *);
78typedef int (*_citrus_iconv_convert_t)
79    (struct _citrus_iconv * __restrict,
80    char *__restrict* __restrict, size_t * __restrict,
81    char * __restrict * __restrict, size_t * __restrict, uint32_t,
82    size_t * __restrict);
83typedef int (*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
84typedef void (*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
85
86struct _citrus_iconv_ops {
87	_citrus_iconv_init_shared_t	io_init_shared;
88	_citrus_iconv_uninit_shared_t	io_uninit_shared;
89	_citrus_iconv_init_context_t	io_init_context;
90	_citrus_iconv_uninit_context_t	io_uninit_context;
91	_citrus_iconv_convert_t		io_convert;
92};
93
94struct _citrus_iconv_shared {
95	struct _citrus_iconv_ops			*ci_ops;
96	void						*ci_closure;
97	_CITRUS_HASH_ENTRY(_citrus_iconv_shared)	 ci_hash_entry;
98	TAILQ_ENTRY(_citrus_iconv_shared)		 ci_tailq_entry;
99	_citrus_module_t				 ci_module;
100	unsigned int					 ci_used_count;
101	char						*ci_convname;
102	bool						 ci_discard_ilseq;
103	struct iconv_hooks				*ci_hooks;
104	bool						 ci_ilseq_invalid;
105};
106
107struct _citrus_iconv {
108	struct _citrus_iconv_shared			*cv_shared;
109	void						*cv_closure;
110};
111
112#endif
113