76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* $NetBSD: udf_bswap.h,v 1.8 2009/10/22 21:50:01 bouyer Exp $ */
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/*
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* Copyright (c) 1998 Manuel Bouyer.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* adapted for UDF by Reinoud Zandijk <reinoud@netbsd.org>
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*
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*/
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#ifndef _FS_UDF_UDF_BSWAP_H_
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#define _FS_UDF_UDF_BSWAP_H_
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#include <sys/endian.h>
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#include <machine/bswap.h>
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#include <sys/bswap.h>
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/* rest only relevant for big endian machines */
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#if (BYTE_ORDER == BIG_ENDIAN)
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/* inlines for access to swapped data */
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static __inline uint16_t udf_rw16(uint16_t);
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static __inline uint32_t udf_rw32(uint32_t);
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static __inline uint64_t udf_rw64(uint64_t);
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static __inline uint16_t
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udf_rw16(uint16_t a)
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{
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return bswap16(a);
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}
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static __inline uint32_t
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udf_rw32(uint32_t a)
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{
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return bswap32(a);
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}
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static __inline uint64_t
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udf_rw64(uint64_t a)
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{
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return bswap64(a);
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}
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#else
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#define udf_rw16(a) ((uint16_t)(a))
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#define udf_rw32(a) ((uint32_t)(a))
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#define udf_rw64(a) ((uint64_t)(a))
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#endif
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#endif /* !_FS_UDF_UDF_BSWAP_H_ */
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