libc: Fix -Wunused-parameter.
[dragonfly.git] / lib / libc / citrus / modules / citrus_mapper_none.c
1 /* $NetBSD: src/lib/libc/citrus/modules/citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak Exp $ */
2
3 /*-
4  * Copyright (c)2003 Citrus Project,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28
29 #include <sys/types.h>
30 #include <sys/queue.h>
31 #include <assert.h>
32 #include <errno.h>
33 #include <stdlib.h>
34 #include <string.h>
35
36 #include "citrus_namespace.h"
37 #include "citrus_types.h"
38 #include "citrus_module.h"
39 #include "citrus_hash.h"
40 #include "citrus_mapper.h"
41 #include "citrus_mapper_none.h"
42
43 /* ---------------------------------------------------------------------- */
44
45 _CITRUS_MAPPER_DECLS(mapper_none);
46 _CITRUS_MAPPER_DEF_OPS(mapper_none);
47
48
49 /* ---------------------------------------------------------------------- */
50
51 int
52 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops,
53                                   size_t lenops, uint32_t expected_version)
54 {
55         if (expected_version<_CITRUS_MAPPER_ABI_VERSION || lenops<sizeof(*ops))
56                 return (EINVAL);
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*/
66 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma __unused,
67                                 struct _citrus_mapper * __restrict cm,
68                                 const char * __restrict dir __unused,
69                                 const void * __restrict var __unused,
70                                 size_t lenvar __unused,
71                                 struct _citrus_mapper_traits * __restrict mt,
72                                 size_t lenmt)
73 {
74
75         _DIAGASSERT(cm && dir && mt);
76
77         if (lenmt<sizeof(*mt))
78                 return (EINVAL);
79
80         cm->cm_closure = NULL;
81         mt->mt_src_max = mt->mt_dst_max = 1;    /* 1:1 converter */
82         mt->mt_state_size = 0;                  /* stateless */
83
84         return 0;
85 }
86
87 static void
88 /*ARGSUSED*/
89 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
90 {
91 }
92
93 static int
94 /*ARGSUSED*/
95 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused,
96                                    _citrus_index_t * __restrict dst,
97                                    _citrus_index_t src,
98                                    void * __restrict ps __unused)
99 {
100         *dst = src;
101         return _CITRUS_MAPPER_CONVERT_SUCCESS;
102 }
103
104 static void
105 /*ARGSUSED*/
106 _citrus_mapper_none_mapper_init_state(struct _citrus_mapper * __restrict cm __unused,
107                                       void * __restrict ps __unused)
108 {
109 }