1 /* $NetBSD: iconv.c,v 1.13 2012/01/20 16:31:29 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: iconv.c,v 1.13 2012/01/20 16:31:29 joerg Exp $");
32 #endif /* LIBC_SCCS and not lint */
33
34 #include "namespace.h"
35 #include <assert.h>
36 #include <errno.h>
37 #include <paths.h>
38 #include <sys/queue.h>
39
40 #include <iconv.h>
41
42 #ifdef __weak_alias
__weak_alias(iconv,_iconv)43 __weak_alias(iconv, _iconv)
44 __weak_alias(iconv_open, _iconv_open)
45 __weak_alias(iconv_close, _iconv_close)
46 #endif
47
48 #include <sys/types.h>
49 #include "citrus_types.h"
50 #include "citrus_module.h"
51 #include "citrus_esdb.h"
52 #include "citrus_hash.h"
53 #include "citrus_iconv.h"
54
55 #define ISBADF(_h_) (!(_h_) || (_h_) == (iconv_t)-1)
56
57
58 iconv_t
59 iconv_open(const char *out, const char *in)
60 {
61 int ret;
62 struct _citrus_iconv *handle;
63
64 ret = _citrus_iconv_open(&handle, _PATH_ICONV, in, out);
65 if (ret) {
66 errno = ret == ENOENT? EINVAL : ret;
67 return ((iconv_t)-1);
68 }
69
70 return ((iconv_t)(void *)handle);
71 }
72
73 int
iconv_close(iconv_t handle)74 iconv_close(iconv_t handle)
75 {
76 if (ISBADF(handle)) {
77 errno = EBADF;
78 return (-1);
79 }
80
81 _citrus_iconv_close((struct _citrus_iconv *)(void *)handle);
82
83 return (0);
84 }
85
86 size_t
iconv(iconv_t handle,const char ** in,size_t * szin,char ** out,size_t * szout)87 iconv(iconv_t handle, const char **in, size_t *szin, char **out, size_t *szout)
88 {
89 int err;
90 size_t ret;
91
92 if (ISBADF(handle)) {
93 errno = EBADF;
94 return ((size_t)-1);
95 }
96
97 err = _citrus_iconv_convert(
98 (struct _citrus_iconv *)(void *)handle, in, szin, out, szout,
99 0, &ret);
100 if (err) {
101 errno = err;
102 ret = (size_t)-1;
103 }
104
105 return (ret);
106 }
107
108 size_t
__iconv(iconv_t handle,const char ** in,size_t * szin,char ** out,size_t * szout,u_int32_t flags,size_t * invalids)109 __iconv(iconv_t handle, const char **in, size_t *szin, char **out,
110 size_t *szout, u_int32_t flags, size_t *invalids)
111 {
112 int err;
113 size_t ret;
114
115 if (ISBADF(handle)) {
116 errno = EBADF;
117 return ((size_t)-1);
118 }
119
120 err = _citrus_iconv_convert(
121 (struct _citrus_iconv *)(void *)handle, in, szin, out, szout,
122 flags, &ret);
123 if (invalids)
124 *invalids = ret;
125 if (err) {
126 errno = err;
127 ret = (size_t)-1;
128 }
129
130 return (ret);
131 }
132
133 int
__iconv_get_list(char *** rlist,size_t * rsz)134 __iconv_get_list(char ***rlist, size_t *rsz)
135 {
136 int ret;
137
138 ret = _citrus_esdb_get_list(rlist, rsz);
139 if (ret) {
140 errno = ret;
141 return -1;
142 }
143
144 return 0;
145 }
146
147 void
__iconv_free_list(char ** list,size_t sz)148 __iconv_free_list(char **list, size_t sz)
149 {
150 _citrus_esdb_free_list(list, sz);
151 }
152