1 /* $FreeBSD$ */
2 /* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak 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 #include <sys/cdefs.h>
33 #include <sys/queue.h>
34
35 #include <assert.h>
36 #include <errno.h>
37 #include <stdlib.h>
38 #include <string.h>
39
40 #include "citrus_namespace.h"
41 #include "citrus_types.h"
42 #include "citrus_module.h"
43 #include "citrus_hash.h"
44 #include "citrus_mapper.h"
45 #include "citrus_mapper_none.h"
46
47 /* ---------------------------------------------------------------------- */
48
49 _CITRUS_MAPPER_DECLS(mapper_none);
50 _CITRUS_MAPPER_DEF_OPS(mapper_none);
51
52
53 /* ---------------------------------------------------------------------- */
54
55 int
_citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops * ops)56 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops)
57 {
58
59 memcpy(ops, &_citrus_mapper_none_mapper_ops,
60 sizeof(_citrus_mapper_none_mapper_ops));
61
62 return (0);
63 }
64
65 static int
66 /*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)67 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma __unused,
68 struct _citrus_mapper * __restrict cm, const char * __restrict dir __unused,
69 const void * __restrict var __unused, size_t lenvar __unused,
70 struct _citrus_mapper_traits * __restrict mt, size_t lenmt)
71 {
72
73 if (lenmt < sizeof(*mt))
74 return (EINVAL);
75
76 cm->cm_closure = NULL;
77 mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */
78 mt->mt_state_size = 0; /* stateless */
79
80 return (0);
81 }
82
83 static void
84 /*ARGSUSED*/
_citrus_mapper_none_mapper_uninit(struct _citrus_mapper * cm __unused)85 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
86 {
87
88 }
89
90 static int
91 /*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)92 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused,
93 _citrus_index_t * __restrict dst, _citrus_index_t src,
94 void * __restrict ps __unused)
95 {
96
97 *dst = src;
98 return (_CITRUS_MAPPER_CONVERT_SUCCESS);
99 }
100
101 static void
102 /*ARGSUSED*/
_citrus_mapper_none_mapper_init_state(void)103 _citrus_mapper_none_mapper_init_state(void)
104 {
105
106 }
107