1/* $FreeBSD$ */
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
53int
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
63static int
64/*ARGSUSED*/
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
81static void
82/*ARGSUSED*/
83_citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
84{
85
86}
87
88static int
89/*ARGSUSED*/
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
99static void
100/*ARGSUSED*/
101_citrus_mapper_none_mapper_init_state(void)
102{
103
104}
105