1 /* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak 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 #include <sys/cdefs.h>
32 #include <sys/queue.h>
33
34 #include <assert.h>
35 #include <errno.h>
36 #include <stdlib.h>
37 #include <string.h>
38
39 #include "citrus_namespace.h"
40 #include "citrus_types.h"
41 #include "citrus_module.h"
42 #include "citrus_hash.h"
43 #include "citrus_mapper.h"
44 #include "citrus_mapper_none.h"
45
46 /* ---------------------------------------------------------------------- */
47
48 _CITRUS_MAPPER_DECLS(mapper_none);
49 _CITRUS_MAPPER_DEF_OPS(mapper_none);
50
51
52 /* ---------------------------------------------------------------------- */
53
54 int
_citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops * ops)55 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops)
56 {
57
58 memcpy(ops, &_citrus_mapper_none_mapper_ops,
59 sizeof(_citrus_mapper_none_mapper_ops));
60
61 return (0);
62 }
63
64 static int
65 /*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)66 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma __unused,
67 struct _citrus_mapper * __restrict cm, const char * __restrict dir __unused,
68 const void * __restrict var __unused, size_t lenvar __unused,
69 struct _citrus_mapper_traits * __restrict mt, size_t lenmt)
70 {
71
72 if (lenmt < sizeof(*mt))
73 return (EINVAL);
74
75 cm->cm_closure = NULL;
76 mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */
77 mt->mt_state_size = 0; /* stateless */
78
79 return (0);
80 }
81
82 static void
83 /*ARGSUSED*/
_citrus_mapper_none_mapper_uninit(struct _citrus_mapper * cm __unused)84 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
85 {
86
87 }
88
89 static int
90 /*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)91 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused,
92 _citrus_index_t * __restrict dst, _citrus_index_t src,
93 void * __restrict ps __unused)
94 {
95
96 *dst = src;
97 return (_CITRUS_MAPPER_CONVERT_SUCCESS);
98 }
99
100 static void
101 /*ARGSUSED*/
_citrus_mapper_none_mapper_init_state(void)102 _citrus_mapper_none_mapper_init_state(void)
103 {
104
105 }
106