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
_citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops * ops)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*/
_citrus_mapper_none_mapper_init(struct _citrus_mapper_area * __restrict ma __unused,struct _citrus_mapper * __restrict cm,const char * __restrict dir __unused,const void * __restrict var __unused,size_t lenvar __unused,struct _citrus_mapper_traits * __restrict mt,size_t lenmt)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*/
_citrus_mapper_none_mapper_uninit(struct _citrus_mapper * cm __unused)83 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
84 {
85
86 }
87
88 static int
89 /*ARGSUSED*/
_citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused,_citrus_index_t * __restrict dst,_citrus_index_t src,void * __restrict ps __unused)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*/
_citrus_mapper_none_mapper_init_state(void)101 _citrus_mapper_none_mapper_init_state(void)
102 {
103
104 }
105