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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
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*/
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*/
85 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
86 {
87
88 }
89
90 static int
91 /*ARGSUSED*/
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*/
103 _citrus_mapper_none_mapper_init_state(void)
104 {
105
106 }