usr.sbin/fstyp: Use NULL instead of 0 for pointers. (FreeBSD@GitHub 27f4c84a)
[dragonfly.git] / lib / i18n_module / mapper_none / citrus_mapper_none.c
blobe6fecad08ef74430b43e0af4bafd75f9232ee4a8
1 /* $FreeBSD: head/lib/libiconv_modules/mapper_none/citrus_mapper_none.c 219019 2011-02-25 00:04:39Z gabor $ */
2 /* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak Exp $ */
4 /*-
5 * Copyright (c)2003 Citrus Project,
6 * All rights reserved.
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.
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.
30 #include <sys/cdefs.h>
31 #include <sys/queue.h>
33 #include <assert.h>
34 #include <errno.h>
35 #include <stdlib.h>
36 #include <string.h>
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"
45 /* ---------------------------------------------------------------------- */
47 _CITRUS_MAPPER_DECLS(mapper_none);
48 _CITRUS_MAPPER_DEF_OPS(mapper_none);
51 /* ---------------------------------------------------------------------- */
53 int
54 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops)
57 memcpy(ops, &_citrus_mapper_none_mapper_ops,
58 sizeof(_citrus_mapper_none_mapper_ops));
60 return (0);
63 static 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)
71 if (lenmt < sizeof(*mt))
72 return (EINVAL);
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 */
78 return (0);
81 static void
82 /*ARGSUSED*/
83 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused)
88 static 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)
95 *dst = src;
96 return (_CITRUS_MAPPER_CONVERT_SUCCESS);
99 static void
100 /*ARGSUSED*/
101 _citrus_mapper_none_mapper_init_state(void)