1 /* $NetBSD: citrus_iconv_none.c,v 1.1 2003/06/25 09:51:43 tshiozak 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 1.1 2003/06/25 09:51:43 tshiozak 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 "citrus_types.h" 39 #include "citrus_module.h" 40 #include "citrus_iconv.h" 41 #include "citrus_iconv_none.h" 42 43 /* ---------------------------------------------------------------------- */ 44 45 _CITRUS_ICONV_DECLS(iconv_none); 46 _CITRUS_ICONV_DEF_OPS(iconv_none); 47 48 49 /* ---------------------------------------------------------------------- */ 50 51 int 52 _citrus_iconv_none_iconv_getops(struct _citrus_iconv_ops *ops, size_t lenops, 53 uint32_t expected_version) 54 { 55 if (expected_version<_CITRUS_ICONV_ABI_VERSION || lenops<sizeof(*ops)) 56 return (EINVAL); 57 58 memcpy(ops, &_citrus_iconv_none_iconv_ops, 59 sizeof(_citrus_iconv_none_iconv_ops)); 60 61 return (0); 62 } 63 64 static int 65 /*ARGSUSED*/ 66 _citrus_iconv_none_iconv_init(struct _citrus_iconv * __restrict ci, 67 const char * __restrict curdir, 68 const char * __restrict in, 69 const char * __restrict out, 70 const void * __restrict var, size_t lenvar) 71 { 72 ci->ci_closure = NULL; 73 return (0); 74 } 75 76 static void 77 /*ARGSUSED*/ 78 _citrus_iconv_none_iconv_uninit(struct _citrus_iconv * __restrict ci) 79 { 80 } 81 82 static int 83 /*ARGSUSED*/ 84 _citrus_iconv_none_iconv_convert(struct _citrus_iconv * __restrict ci, 85 const char * __restrict * __restrict in, 86 size_t * __restrict inbytes, 87 char * __restrict * __restrict out, 88 size_t * __restrict outbytes, 89 u_int32_t flags, size_t * __restrict invalids) 90 { 91 int e2big; 92 size_t len; 93 94 len = *inbytes; 95 e2big = 0; 96 if (*outbytes<len) { 97 e2big = 1; 98 len = *outbytes; 99 } 100 memcpy(*out, *in, len); 101 in += len; 102 *inbytes -= len; 103 out+=len; 104 *outbytes -= len; 105 *invalids = 0; 106 if (e2big) { 107 return (E2BIG); 108 } 109 110 return (0); 111 } 112