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129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/* $NetBSD: citrus_iconv_none.c,v 1.3 2011/05/23 14:45:44 joerg Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c)2003 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/queue.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "citrus_types.h"
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#include "citrus_module.h"
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#include "citrus_hash.h"
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#include "citrus_iconv.h"
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#include "citrus_iconv_none.h"
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/* ---------------------------------------------------------------------- */
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_CITRUS_ICONV_DECLS(iconv_none);
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_CITRUS_ICONV_DEF_OPS(iconv_none);
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/* ---------------------------------------------------------------------- */
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int
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_citrus_iconv_none_iconv_getops(struct _citrus_iconv_ops *ops)
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{
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memcpy(ops, &_citrus_iconv_none_iconv_ops,
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sizeof(_citrus_iconv_none_iconv_ops));
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return (0);
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}
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static int
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/*ARGSUSED*/
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_citrus_iconv_none_iconv_init_shared(
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struct _citrus_iconv_shared * __restrict ci,
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const char * __restrict in __unused, const char * __restrict out __unused)
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{
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ci->ci_closure = NULL;
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return (0);
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}
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static void
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/*ARGSUSED*/
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_citrus_iconv_none_iconv_uninit_shared(struct _citrus_iconv_shared *ci __unused)
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{
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}
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static int
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/*ARGSUSED*/
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_citrus_iconv_none_iconv_init_context(struct _citrus_iconv *cv)
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{
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cv->cv_closure = NULL;
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return (0);
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}
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static void
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/*ARGSUSED*/
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_citrus_iconv_none_iconv_uninit_context(struct _citrus_iconv *cv __unused)
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{
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}
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static int
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/*ARGSUSED*/
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_citrus_iconv_none_iconv_convert(struct _citrus_iconv * __restrict ci __unused,
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char * __restrict * __restrict in, size_t * __restrict inbytes,
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char * __restrict * __restrict out, size_t * __restrict outbytes,
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uint32_t flags __unused, size_t * __restrict invalids)
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{
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size_t len;
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int e2big;
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if ((in == NULL) || (out == NULL) || (inbytes == NULL))
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return (0);
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if ((*in == NULL) || (*out == NULL) || (*inbytes == 0) || (*outbytes == 0))
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return (0);
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len = *inbytes;
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e2big = 0;
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if (*outbytes<len) {
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e2big = 1;
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len = *outbytes;
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}
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memcpy(*out, *in, len);
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in += len;
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*inbytes -= len;
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out += len;
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*outbytes -= len;
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*invalids = 0;
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if (e2big)
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return (E2BIG);
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return (0);
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}
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