minix/lib/nbsd_libc/citrus/modules/citrus_mapper_none.c

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/* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 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>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak Exp $");
#endif /* LIBC_SCCS and not lint */
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#include "citrus_namespace.h"
#include "citrus_types.h"
#include "citrus_module.h"
#include "citrus_hash.h"
#include "citrus_mapper.h"
#include "citrus_mapper_none.h"
/* ---------------------------------------------------------------------- */
_CITRUS_MAPPER_DECLS(mapper_none);
_CITRUS_MAPPER_DEF_OPS(mapper_none);
/* ---------------------------------------------------------------------- */
int
_citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops,
size_t lenops, uint32_t expected_version)
{
if (expected_version<_CITRUS_MAPPER_ABI_VERSION || lenops<sizeof(*ops))
return (EINVAL);
memcpy(ops, &_citrus_mapper_none_mapper_ops,
sizeof(_citrus_mapper_none_mapper_ops));
return 0;
}
static int
/*ARGSUSED*/
_citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma,
struct _citrus_mapper * __restrict cm,
const char * __restrict dir,
const void * __restrict var, size_t lenvar,
struct _citrus_mapper_traits * __restrict mt,
size_t lenmt)
{
_DIAGASSERT(cm && dir && mt);
if (lenmt<sizeof(*mt))
return (EINVAL);
cm->cm_closure = NULL;
mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */
mt->mt_state_size = 0; /* stateless */
return 0;
}
static void
/*ARGSUSED*/
_citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm)
{
}
static int
/*ARGSUSED*/
_citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm,
_citrus_index_t * __restrict dst,
_citrus_index_t src, void * __restrict ps)
{
*dst = src;
return _CITRUS_MAPPER_CONVERT_SUCCESS;
}
static void
/*ARGSUSED*/
_citrus_mapper_none_mapper_init_state(struct _citrus_mapper * __restrict cm,
void * __restrict ps)
{
}