xref: /freebsd/lib/libc/iconv/citrus_iconv_local.h (revision 2a63c3be158216222d89a073dcbd6a72ee4aab5a)
1 /* $NetBSD: citrus_iconv_local.h,v 1.3 2008/02/09 14:56:20 junyoung Exp $ */
2 
3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause
5  *
6  * Copyright (c)2003 Citrus Project,
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #ifndef _CITRUS_ICONV_LOCAL_H_
32 #define _CITRUS_ICONV_LOCAL_H_
33 
34 #include <iconv.h>
35 #include <stdbool.h>
36 
37 #define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)				\
38     int _n_(struct _citrus_iconv_ops *)
39 #define _CITRUS_ICONV_GETOPS_FUNC(_n_)					\
40     _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
41 
42 #define _CITRUS_ICONV_DECLS(_m_)					\
43 static int	 _citrus_##_m_##_iconv_init_shared			\
44 		    (struct _citrus_iconv_shared * __restrict,		\
45 	 	    const char * __restrict, const char * __restrict);	\
46 static void	 _citrus_##_m_##_iconv_uninit_shared			\
47 		    (struct _citrus_iconv_shared *);			\
48 static int	 _citrus_##_m_##_iconv_convert				\
49 		    (struct _citrus_iconv * __restrict,			\
50 		    char * __restrict * __restrict,			\
51 		    size_t * __restrict,				\
52 		    char * __restrict * __restrict,			\
53 		    size_t * __restrict outbytes,			\
54 	 	    uint32_t, size_t * __restrict);			\
55 static int	 _citrus_##_m_##_iconv_init_context			\
56 		    (struct _citrus_iconv *);				\
57 static void	 _citrus_##_m_##_iconv_uninit_context			\
58 		    (struct _citrus_iconv *)
59 
60 
61 #define _CITRUS_ICONV_DEF_OPS(_m_)					\
62 extern struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops;		\
63 struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {			\
64 	/* io_init_shared */	&_citrus_##_m_##_iconv_init_shared,	\
65 	/* io_uninit_shared */	&_citrus_##_m_##_iconv_uninit_shared,	\
66 	/* io_init_context */	&_citrus_##_m_##_iconv_init_context,	\
67 	/* io_uninit_context */	&_citrus_##_m_##_iconv_uninit_context,	\
68 	/* io_convert */	&_citrus_##_m_##_iconv_convert		\
69 }
70 
71 typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
72 typedef	int (*_citrus_iconv_init_shared_t)
73     (struct _citrus_iconv_shared * __restrict,
74     const char * __restrict, const char * __restrict);
75 typedef void (*_citrus_iconv_uninit_shared_t)
76     (struct _citrus_iconv_shared *);
77 typedef int (*_citrus_iconv_convert_t)
78     (struct _citrus_iconv * __restrict,
79     char *__restrict* __restrict, size_t * __restrict,
80     char * __restrict * __restrict, size_t * __restrict, uint32_t,
81     size_t * __restrict);
82 typedef int (*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
83 typedef void (*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
84 
85 struct _citrus_iconv_ops {
86 	_citrus_iconv_init_shared_t	io_init_shared;
87 	_citrus_iconv_uninit_shared_t	io_uninit_shared;
88 	_citrus_iconv_init_context_t	io_init_context;
89 	_citrus_iconv_uninit_context_t	io_uninit_context;
90 	_citrus_iconv_convert_t		io_convert;
91 };
92 
93 struct _citrus_iconv_shared {
94 	struct _citrus_iconv_ops			*ci_ops;
95 	void						*ci_closure;
96 	_CITRUS_HASH_ENTRY(_citrus_iconv_shared)	 ci_hash_entry;
97 	TAILQ_ENTRY(_citrus_iconv_shared)		 ci_tailq_entry;
98 	_citrus_module_t				 ci_module;
99 	unsigned int					 ci_used_count;
100 	char						*ci_convname;
101 	bool						 ci_discard_ilseq;
102 	struct iconv_hooks				*ci_hooks;
103 	bool						 ci_ilseq_invalid;
104 };
105 
106 struct _citrus_iconv {
107 	struct _citrus_iconv_shared			*cv_shared;
108 	void						*cv_closure;
109 };
110 
111 #endif
112