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44 lines
1.9 KiB
C
44 lines
1.9 KiB
C
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/*
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* Copyright (c) 2009 Mark Fullmer
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* Copyright (c) 2009 Mark Fullmer and the Ohio State University
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* All rights reserved.
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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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: byte.h 13 2009-11-26 16:37:03Z maf $
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*/
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#define SWAPINT16(y) y = \
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( (((y)&0xff)<<8) | (((y)&0xff00)>>8) );
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#define SWAPINT64(x) x = \
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((((x) & 0xff00000000000000ull) >> 56)|\
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(((x) & 0x00ff000000000000ull)>>40)|\
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(((x) & 0x0000ff0000000000ull)>>24)|\
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(((x) & 0x000000ff00000000ull)>>8)|\
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(((x) & 0x00000000ff000000ull)<<8)|\
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(((x) & 0x0000000000ff0000ull)<<24)|\
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(((x) & 0x000000000000ff00ull)<<40)|\
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(((x) & 0x00000000000000ffull)<<56));
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