1 /* $NetBSD: citrus_iconv_none.c,v 1.3 2011/05/23 14:45:44 joerg 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/cdefs.h>
30 #if defined(LIBC_SCCS) && !defined(lint)
31 __RCSID("$NetBSD: citrus_iconv_none.c,v 1.3 2011/05/23 14:45:44 joerg Exp $");
32 #endif /* LIBC_SCCS and not lint */
33
34 #include <assert.h>
35 #include <errno.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <sys/queue.h>
39
40 #include "citrus_types.h"
41 #include "citrus_module.h"
42 #include "citrus_hash.h"
43 #include "citrus_iconv.h"
44 #include "citrus_iconv_none.h"
45
46 /* ---------------------------------------------------------------------- */
47
48 _CITRUS_ICONV_DECLS(iconv_none);
49 _CITRUS_ICONV_DEF_OPS(iconv_none);
50
51
52 /* ---------------------------------------------------------------------- */
53
54 int
_citrus_iconv_none_iconv_getops(struct _citrus_iconv_ops * ops,size_t lenops,uint32_t expected_version)55 _citrus_iconv_none_iconv_getops(struct _citrus_iconv_ops *ops, size_t lenops,
56 uint32_t expected_version)
57 {
58 if (expected_version<_CITRUS_ICONV_ABI_VERSION || lenops<sizeof(*ops))
59 return (EINVAL);
60
61 memcpy(ops, &_citrus_iconv_none_iconv_ops,
62 sizeof(_citrus_iconv_none_iconv_ops));
63
64 return (0);
65 }
66
67 static int
68 /*ARGSUSED*/
_citrus_iconv_none_iconv_init_shared(struct _citrus_iconv_shared * __restrict ci,const char * __restrict curdir,const char * __restrict in,const char * __restrict out,const void * __restrict var,size_t lenvar)69 _citrus_iconv_none_iconv_init_shared(
70 struct _citrus_iconv_shared * __restrict ci,
71 const char * __restrict curdir,
72 const char * __restrict in, const char * __restrict out,
73 const void * __restrict var, size_t lenvar)
74 {
75 ci->ci_closure = NULL;
76 return 0;
77 }
78
79 static void
80 /*ARGSUSED*/
_citrus_iconv_none_iconv_uninit_shared(struct _citrus_iconv_shared * ci)81 _citrus_iconv_none_iconv_uninit_shared(struct _citrus_iconv_shared *ci)
82 {
83 }
84
85 static int
86 /*ARGSUSED*/
_citrus_iconv_none_iconv_init_context(struct _citrus_iconv * cv)87 _citrus_iconv_none_iconv_init_context(struct _citrus_iconv *cv)
88 {
89 cv->cv_closure = NULL;
90 return 0;
91 }
92
93 static void
94 /*ARGSUSED*/
_citrus_iconv_none_iconv_uninit_context(struct _citrus_iconv * cv)95 _citrus_iconv_none_iconv_uninit_context(struct _citrus_iconv *cv)
96 {
97 }
98
99 static int
100 /*ARGSUSED*/
_citrus_iconv_none_iconv_convert(struct _citrus_iconv * __restrict ci,const char * __restrict * __restrict in,size_t * __restrict inbytes,char * __restrict * __restrict out,size_t * __restrict outbytes,u_int32_t flags,size_t * __restrict invalids)101 _citrus_iconv_none_iconv_convert(struct _citrus_iconv * __restrict ci,
102 const char * __restrict * __restrict in,
103 size_t * __restrict inbytes,
104 char * __restrict * __restrict out,
105 size_t * __restrict outbytes,
106 u_int32_t flags, size_t * __restrict invalids)
107 {
108 int e2big;
109 size_t len;
110
111 len = *inbytes;
112 e2big = 0;
113 if (*outbytes<len) {
114 e2big = 1;
115 len = *outbytes;
116 }
117 memcpy(*out, *in, len);
118 in += len;
119 *inbytes -= len;
120 out+=len;
121 *outbytes -= len;
122 *invalids = 0;
123 if (e2big) {
124 return (E2BIG);
125 }
126
127 return (0);
128 }
129