/* $NetBSD: udf_bswap.h,v 1.8 2009/10/22 21:50:01 bouyer Exp $  */

/*
* Copyright (c) 1998 Manuel Bouyer.
*
* 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 ``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 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.
*
* adapted for UDF by Reinoud Zandijk <[email protected]>
*
*/

#ifndef _FS_UDF_UDF_BSWAP_H_
#define _FS_UDF_UDF_BSWAP_H_

#include <sys/endian.h>
#include <machine/bswap.h>
#include <sys/bswap.h>

/* rest only relevant for big endian machines */
#if (BYTE_ORDER == BIG_ENDIAN)

/* inlines for access to swapped data */
static __inline uint16_t udf_rw16(uint16_t);
static __inline uint32_t udf_rw32(uint32_t);
static __inline uint64_t udf_rw64(uint64_t);


static __inline uint16_t
udf_rw16(uint16_t a)
{
       return bswap16(a);
}


static __inline uint32_t
udf_rw32(uint32_t a)
{
       return bswap32(a);
}


static __inline uint64_t
udf_rw64(uint64_t a)
{
       return bswap64(a);
}

#else

#define udf_rw16(a) ((uint16_t)(a))
#define udf_rw32(a) ((uint32_t)(a))
#define udf_rw64(a) ((uint64_t)(a))

#endif


#endif /* !_FS_UDF_UDF_BSWAP_H_ */