1ad30f8e7SGabor Kovesdan /* $FreeBSD$ */ 29ca40936STijl Coosemans /* $NetBSD: citrus_iconv_none.c,v 1.3 2011/05/23 14:45:44 joerg Exp $ */ 3ad30f8e7SGabor Kovesdan 4ad30f8e7SGabor Kovesdan /*- 55e53a4f9SPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause 65e53a4f9SPedro F. Giffuni * 7ad30f8e7SGabor Kovesdan * Copyright (c)2003 Citrus Project, 8ad30f8e7SGabor Kovesdan * All rights reserved. 9ad30f8e7SGabor Kovesdan * 10ad30f8e7SGabor Kovesdan * Redistribution and use in source and binary forms, with or without 11ad30f8e7SGabor Kovesdan * modification, are permitted provided that the following conditions 12ad30f8e7SGabor Kovesdan * are met: 13ad30f8e7SGabor Kovesdan * 1. Redistributions of source code must retain the above copyright 14ad30f8e7SGabor Kovesdan * notice, this list of conditions and the following disclaimer. 15ad30f8e7SGabor Kovesdan * 2. Redistributions in binary form must reproduce the above copyright 16ad30f8e7SGabor Kovesdan * notice, this list of conditions and the following disclaimer in the 17ad30f8e7SGabor Kovesdan * documentation and/or other materials provided with the distribution. 18ad30f8e7SGabor Kovesdan * 19ad30f8e7SGabor Kovesdan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20ad30f8e7SGabor Kovesdan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21ad30f8e7SGabor Kovesdan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22ad30f8e7SGabor Kovesdan * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23ad30f8e7SGabor Kovesdan * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24ad30f8e7SGabor Kovesdan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25ad30f8e7SGabor Kovesdan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26ad30f8e7SGabor Kovesdan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27ad30f8e7SGabor Kovesdan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28ad30f8e7SGabor Kovesdan * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29ad30f8e7SGabor Kovesdan * SUCH DAMAGE. 30ad30f8e7SGabor Kovesdan */ 31ad30f8e7SGabor Kovesdan 32ad30f8e7SGabor Kovesdan #include <sys/cdefs.h> 33ad30f8e7SGabor Kovesdan #include <sys/queue.h> 34ad30f8e7SGabor Kovesdan 35ad30f8e7SGabor Kovesdan #include <assert.h> 36ad30f8e7SGabor Kovesdan #include <errno.h> 37ad30f8e7SGabor Kovesdan #include <stdbool.h> 38ad30f8e7SGabor Kovesdan #include <stdlib.h> 39ad30f8e7SGabor Kovesdan #include <string.h> 40ad30f8e7SGabor Kovesdan 41ad30f8e7SGabor Kovesdan #include "citrus_types.h" 42ad30f8e7SGabor Kovesdan #include "citrus_module.h" 43ad30f8e7SGabor Kovesdan #include "citrus_hash.h" 44ad30f8e7SGabor Kovesdan #include "citrus_iconv.h" 45ad30f8e7SGabor Kovesdan #include "citrus_iconv_none.h" 46ad30f8e7SGabor Kovesdan 47ad30f8e7SGabor Kovesdan /* ---------------------------------------------------------------------- */ 48ad30f8e7SGabor Kovesdan 49ad30f8e7SGabor Kovesdan _CITRUS_ICONV_DECLS(iconv_none); 50ad30f8e7SGabor Kovesdan _CITRUS_ICONV_DEF_OPS(iconv_none); 51ad30f8e7SGabor Kovesdan 52ad30f8e7SGabor Kovesdan 53ad30f8e7SGabor Kovesdan /* ---------------------------------------------------------------------- */ 54ad30f8e7SGabor Kovesdan 55ad30f8e7SGabor Kovesdan int 56ad30f8e7SGabor Kovesdan _citrus_iconv_none_iconv_getops(struct _citrus_iconv_ops *ops) 57ad30f8e7SGabor Kovesdan { 58ad30f8e7SGabor Kovesdan 59ad30f8e7SGabor Kovesdan memcpy(ops, &_citrus_iconv_none_iconv_ops, 60ad30f8e7SGabor Kovesdan sizeof(_citrus_iconv_none_iconv_ops)); 61ad30f8e7SGabor Kovesdan 62ad30f8e7SGabor Kovesdan return (0); 63ad30f8e7SGabor Kovesdan } 64ad30f8e7SGabor Kovesdan 65ad30f8e7SGabor Kovesdan static int 66ad30f8e7SGabor Kovesdan /*ARGSUSED*/ 67ad30f8e7SGabor Kovesdan _citrus_iconv_none_iconv_init_shared( 68ad30f8e7SGabor Kovesdan struct _citrus_iconv_shared * __restrict ci, 69ad30f8e7SGabor Kovesdan const char * __restrict in __unused, const char * __restrict out __unused) 70ad30f8e7SGabor Kovesdan { 71ad30f8e7SGabor Kovesdan 72ad30f8e7SGabor Kovesdan ci->ci_closure = NULL; 73ad30f8e7SGabor Kovesdan return (0); 74ad30f8e7SGabor Kovesdan } 75ad30f8e7SGabor Kovesdan 76ad30f8e7SGabor Kovesdan static void 77ad30f8e7SGabor Kovesdan /*ARGSUSED*/ 78ad30f8e7SGabor Kovesdan _citrus_iconv_none_iconv_uninit_shared(struct _citrus_iconv_shared *ci __unused) 79ad30f8e7SGabor Kovesdan { 80ad30f8e7SGabor Kovesdan 81ad30f8e7SGabor Kovesdan } 82ad30f8e7SGabor Kovesdan 83ad30f8e7SGabor Kovesdan static int 84ad30f8e7SGabor Kovesdan /*ARGSUSED*/ 85ad30f8e7SGabor Kovesdan _citrus_iconv_none_iconv_init_context(struct _citrus_iconv *cv) 86ad30f8e7SGabor Kovesdan { 87ad30f8e7SGabor Kovesdan 88ad30f8e7SGabor Kovesdan cv->cv_closure = NULL; 89ad30f8e7SGabor Kovesdan return (0); 90ad30f8e7SGabor Kovesdan } 91ad30f8e7SGabor Kovesdan 92ad30f8e7SGabor Kovesdan static void 93ad30f8e7SGabor Kovesdan /*ARGSUSED*/ 94ad30f8e7SGabor Kovesdan _citrus_iconv_none_iconv_uninit_context(struct _citrus_iconv *cv __unused) 95ad30f8e7SGabor Kovesdan { 96ad30f8e7SGabor Kovesdan 97ad30f8e7SGabor Kovesdan } 98ad30f8e7SGabor Kovesdan 99ad30f8e7SGabor Kovesdan static int 100ad30f8e7SGabor Kovesdan /*ARGSUSED*/ 101ad30f8e7SGabor Kovesdan _citrus_iconv_none_iconv_convert(struct _citrus_iconv * __restrict ci __unused, 1021243a98eSTijl Coosemans char * __restrict * __restrict in, size_t * __restrict inbytes, 103ad30f8e7SGabor Kovesdan char * __restrict * __restrict out, size_t * __restrict outbytes, 104ad30f8e7SGabor Kovesdan uint32_t flags __unused, size_t * __restrict invalids) 105ad30f8e7SGabor Kovesdan { 106ad30f8e7SGabor Kovesdan size_t len; 107ad30f8e7SGabor Kovesdan int e2big; 108ad30f8e7SGabor Kovesdan 109ad30f8e7SGabor Kovesdan if ((in == NULL) || (out == NULL) || (inbytes == NULL)) 110ad30f8e7SGabor Kovesdan return (0); 111ad30f8e7SGabor Kovesdan if ((*in == NULL) || (*out == NULL) || (*inbytes == 0) || (*outbytes == 0)) 112ad30f8e7SGabor Kovesdan return (0); 113ad30f8e7SGabor Kovesdan len = *inbytes; 114ad30f8e7SGabor Kovesdan e2big = 0; 115ad30f8e7SGabor Kovesdan if (*outbytes<len) { 116ad30f8e7SGabor Kovesdan e2big = 1; 117ad30f8e7SGabor Kovesdan len = *outbytes; 118ad30f8e7SGabor Kovesdan } 119ad30f8e7SGabor Kovesdan memcpy(*out, *in, len); 120ad30f8e7SGabor Kovesdan in += len; 121ad30f8e7SGabor Kovesdan *inbytes -= len; 122ad30f8e7SGabor Kovesdan out += len; 123ad30f8e7SGabor Kovesdan *outbytes -= len; 124ad30f8e7SGabor Kovesdan *invalids = 0; 125ad30f8e7SGabor Kovesdan if (e2big) 126ad30f8e7SGabor Kovesdan return (E2BIG); 127ad30f8e7SGabor Kovesdan 128ad30f8e7SGabor Kovesdan return (0); 129ad30f8e7SGabor Kovesdan } 130