1 /* $FreeBSD: head/lib/libiconv_modules/mapper_none/citrus_mapper_none.c 219019 2011-02-25 00:04:39Z gabor $ */
2 /*	$NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak 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 #include <sys/cdefs.h>
31 #include <sys/queue.h>
32 
33 #include <assert.h>
34 #include <errno.h>
35 #include <stdlib.h>
36 #include <string.h>
37 
38 #include "citrus_namespace.h"
39 #include "citrus_types.h"
40 #include "citrus_module.h"
41 #include "citrus_hash.h"
42 #include "citrus_mapper.h"
43 #include "citrus_mapper_none.h"
44 
45 /* ---------------------------------------------------------------------- */
46 
47 _CITRUS_MAPPER_DECLS(mapper_none);
48 _CITRUS_MAPPER_DEF_OPS(mapper_none);
49 
50 
51 /* ---------------------------------------------------------------------- */
52 
53 int
54 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops)
55 {
56 
57 	memcpy(ops, &_citrus_mapper_none_mapper_ops,
58 	    sizeof(_citrus_mapper_none_mapper_ops));
59 
60 	return (0);
61 }
62 
63 static int
64 /*ARGSUSED*/
65 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma __unused,
66     struct _citrus_mapper * __restrict cm, const char * __restrict dir __unused,
67     const void * __restrict var __unused, size_t lenvar __unused,
68     struct _citrus_mapper_traits * __restrict mt, size_t lenmt)
69 {
70 
71 	if (lenmt < sizeof(*mt))
72 		return (EINVAL);
73 
74 	cm->cm_closure = NULL;
75 	mt->mt_src_max = mt->mt_dst_max = 1;	/* 1:1 converter */
76 	mt->mt_state_size = 0;			/* stateless */
77 
78 	return (0);
79 }
80 
81 static void
82 /*ARGSUSED*/
83 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
84 {
85 
86 }
87 
88 static int
89 /*ARGSUSED*/
90 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused,
91     _citrus_index_t * __restrict dst, _citrus_index_t src,
92     void * __restrict ps __unused)
93 {
94 
95 	*dst = src;
96 	return (_CITRUS_MAPPER_CONVERT_SUCCESS);
97 }
98 
99 static void
100 /*ARGSUSED*/
101 _citrus_mapper_none_mapper_init_state(void)
102 {
103 
104 }
105