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/* $FreeBSD$ */
/* $NetBSD: citrus_iconv_none.c,v 1.2 2003/07/01 09:42:16 tshiozak Exp $ */
/*-
* Copyright (c)2003 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/queue.h>
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "citrus_types.h"
#include "citrus_module.h"
#include "citrus_hash.h"
#include "citrus_iconv.h"
#include "citrus_iconv_none.h"
/* ---------------------------------------------------------------------- */
_CITRUS_ICONV_DECLS(iconv_none);
_CITRUS_ICONV_DEF_OPS(iconv_none);
/* ---------------------------------------------------------------------- */
int
_citrus_iconv_none_iconv_getops(struct _citrus_iconv_ops *ops)
{
memcpy(ops, &_citrus_iconv_none_iconv_ops,
sizeof(_citrus_iconv_none_iconv_ops));
return (0);
}
static int
/*ARGSUSED*/
_citrus_iconv_none_iconv_init_shared(
struct _citrus_iconv_shared * __restrict ci,
const char * __restrict in __unused, const char * __restrict out __unused)
{
ci->ci_closure = NULL;
return (0);
}
static void
/*ARGSUSED*/
_citrus_iconv_none_iconv_uninit_shared(struct _citrus_iconv_shared *ci __unused)
{
}
static int
/*ARGSUSED*/
_citrus_iconv_none_iconv_init_context(struct _citrus_iconv *cv)
{
cv->cv_closure = NULL;
return (0);
}
static void
/*ARGSUSED*/
_citrus_iconv_none_iconv_uninit_context(struct _citrus_iconv *cv __unused)
{
}
static int
/*ARGSUSED*/
_citrus_iconv_none_iconv_convert(struct _citrus_iconv * __restrict ci __unused,
const char * __restrict * __restrict in, size_t * __restrict inbytes,
char * __restrict * __restrict out, size_t * __restrict outbytes,
uint32_t flags __unused, size_t * __restrict invalids)
{
size_t len;
int e2big;
if ((in == NULL) || (out == NULL) || (inbytes == NULL))
return (0);
if ((*in == NULL) || (*out == NULL) || (*inbytes == 0) || (*outbytes == 0))
return (0);
len = *inbytes;
e2big = 0;
if (*outbytes<len) {
e2big = 1;
len = *outbytes;
}
memcpy(*out, *in, len);
in += len;
*inbytes -= len;
out += len;
*outbytes -= len;
*invalids = 0;
if (e2big)
return (E2BIG);
return (0);
}
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