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/* $FreeBSD$ */
/* $NetBSD: citrus_mapper.h,v 1.3 2003/07/12 15:39:19 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.
*/
#ifndef _CITRUS_MAPPER_H_
#define _CITRUS_MAPPER_H_
struct _citrus_mapper_area;
struct _citrus_mapper;
struct _citrus_mapper_ops;
struct _citrus_mapper_traits;
__BEGIN_DECLS
int _citrus_mapper_create_area(
struct _citrus_mapper_area *__restrict *__restrict,
const char *__restrict);
int _citrus_mapper_open(struct _citrus_mapper_area *__restrict,
struct _citrus_mapper *__restrict *__restrict,
const char *__restrict);
int _citrus_mapper_open_direct(
struct _citrus_mapper_area *__restrict,
struct _citrus_mapper *__restrict *__restrict,
const char *__restrict, const char *__restrict);
void _citrus_mapper_close(struct _citrus_mapper *);
void _citrus_mapper_set_persistent(struct _citrus_mapper * __restrict);
__END_DECLS
#include "citrus_mapper_local.h"
/* return values of _citrus_mapper_convert */
#define _CITRUS_MAPPER_CONVERT_SUCCESS (0)
#define _CITRUS_MAPPER_CONVERT_NONIDENTICAL (1)
#define _CITRUS_MAPPER_CONVERT_SRC_MORE (2)
#define _CITRUS_MAPPER_CONVERT_DST_MORE (3)
#define _CITRUS_MAPPER_CONVERT_ILSEQ (4)
#define _CITRUS_MAPPER_CONVERT_FATAL (5)
/*
* _citrus_mapper_convert:
* convert an index.
* - if the converter supports M:1 converter, the function may return
* _CITRUS_MAPPER_CONVERT_SRC_MORE and the storage pointed by dst
* may be unchanged in this case, although the internal status of
* the mapper is affected.
* - if the converter supports 1:N converter, the function may return
* _CITRUS_MAPPER_CONVERT_DST_MORE. In this case, the contiguous
* call of this function ignores src and changes the storage pointed
* by dst.
* - if the converter supports M:N converter, the function may behave
* the combination of the above.
*
*/
static __inline int
_citrus_mapper_convert(struct _citrus_mapper * __restrict cm,
_citrus_index_t * __restrict dst, _citrus_index_t src,
void * __restrict ps)
{
return ((*cm->cm_ops->mo_convert)(cm, dst, src, ps));
}
/*
* _citrus_mapper_init_state:
* initialize the state.
*/
static __inline void
_citrus_mapper_init_state(struct _citrus_mapper * __restrict cm)
{
(*cm->cm_ops->mo_init_state)();
}
/*
* _citrus_mapper_get_state_size:
* get the size of state storage.
*/
static __inline size_t
_citrus_mapper_get_state_size(struct _citrus_mapper * __restrict cm)
{
return (cm->cm_traits->mt_state_size);
}
/*
* _citrus_mapper_get_src_max:
* get the maximum number of suspended sources.
*/
static __inline size_t
_citrus_mapper_get_src_max(struct _citrus_mapper * __restrict cm)
{
return (cm->cm_traits->mt_src_max);
}
/*
* _citrus_mapper_get_dst_max:
* get the maximum number of suspended destinations.
*/
static __inline size_t
_citrus_mapper_get_dst_max(struct _citrus_mapper * __restrict cm)
{
return (cm->cm_traits->mt_dst_max);
}
#endif
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