1 /* $NetBSD: src/lib/libc/iconv/iconv.c,v 1.4 2004/08/02 13:38:21 tshiozak Exp $ */ 2 /* $DragonFly: src/lib/libc/iconv/iconv.c,v 1.3 2005/11/23 08:50:34 swildner 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 <assert.h> 31 #include <errno.h> 32 #include <paths.h> 33 #include <sys/queue.h> 34 35 #include <iconv.h> 36 37 #include <sys/types.h> 38 #include "../citrus/citrus_types.h" 39 #include "../citrus/citrus_module.h" 40 #include "../citrus/citrus_esdb.h" 41 #include "../citrus/citrus_hash.h" 42 #include "../citrus/citrus_iconv.h" 43 44 #define ISBADF(_h_) (!(_h_) || (_h_) == (iconv_t)-1) 45 46 iconv_t 47 _iconv_open(const char *out, const char *in) 48 { 49 int ret; 50 struct _citrus_iconv *handle; 51 52 ret = _citrus_iconv_open(&handle, _PATH_ICONV, in, out); 53 if (ret) { 54 errno = ret; 55 return ((iconv_t)-1); 56 } 57 58 return ((iconv_t)(void *)handle); 59 } 60 61 int 62 _iconv_close(iconv_t handle) 63 { 64 if (ISBADF(handle)) { 65 errno = EBADF; 66 return (-1); 67 } 68 69 _citrus_iconv_close((struct _citrus_iconv *)(void *)handle); 70 71 return (0); 72 } 73 74 size_t 75 _iconv(iconv_t handle, const char **in, size_t *szin, char **out, size_t *szout) 76 { 77 int err; 78 size_t ret; 79 80 if (ISBADF(handle)) { 81 errno = EBADF; 82 return ((size_t)-1); 83 } 84 85 err = _citrus_iconv_convert( 86 (struct _citrus_iconv *)(void *)handle, in, szin, out, szout, 87 0, &ret); 88 if (err) { 89 errno = err; 90 ret = (size_t)-1; 91 } 92 93 return (ret); 94 } 95 96 size_t 97 __iconv(iconv_t handle, const char **in, size_t *szin, char **out, 98 size_t *szout, u_int32_t flags, size_t *invalids) 99 { 100 int err; 101 size_t ret; 102 103 if (ISBADF(handle)) { 104 errno = EBADF; 105 return ((size_t)-1); 106 } 107 108 err = _citrus_iconv_convert( 109 (struct _citrus_iconv *)(void *)handle, in, szin, out, szout, 110 flags, &ret); 111 if (invalids) 112 *invalids = ret; 113 if (err) { 114 errno = err; 115 ret = (size_t)-1; 116 } 117 118 return (ret); 119 } 120 121 int 122 __iconv_get_list(char ***rlist, size_t *rsz) 123 { 124 int ret; 125 126 ret = _citrus_esdb_get_list(rlist, rsz); 127 if (ret) { 128 errno = ret; 129 return -1; 130 } 131 132 return 0; 133 } 134 135 void 136 __iconv_free_list(char **list, size_t sz) 137 { 138 _citrus_esdb_free_list(list, sz); 139 } 140 141 __weak_reference(_iconv, iconv); 142 __weak_reference(_iconv_open, iconv_open); 143 __weak_reference(_iconv_close, iconv_close); 144