62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
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/*
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* (C) Copyright IBM Corporation 2006, 2007
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, THE AUTHORS, AND/OR THEIR SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file glxbyteorder.h
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* Platform glue for handling byte-ordering issues in GLX protocol.
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*
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* \author Ian Romanick <idr@us.ibm.com>
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*/
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#if !defined(__GLXBYTEORDER_H__)
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#define __GLXBYTEORDER_H__
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#if HAVE_BYTESWAP_H
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#include <byteswap.h>
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#elif defined(USE_SYS_ENDIAN_H)
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#include <sys/endian.h>
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#elif defined(__APPLE__)
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#include <libkern/OSByteOrder.h>
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#define bswap_16 OSSwapInt16
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#define bswap_32 OSSwapInt32
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#define bswap_64 OSSwapInt64
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#else
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#define bswap_16(value) \
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((((value) & 0xff) << 8) | ((value) >> 8))
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#define bswap_32(value) \
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(((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \
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(uint32_t)bswap_16((uint16_t)((value) >> 16)))
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#define bswap_64(value) \
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(((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \
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<< 32) | \
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(uint64_t)bswap_32((uint32_t)((value) >> 32)))
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#endif
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#endif /* !defined(__GLXBYTEORDER_H__) */
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