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/*
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* Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
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* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
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* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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/*
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* Abstract:
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* Provides common macros for dealing with byte swapping issues.
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*/
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#ifndef _CL_BYTESWAP_OSD_H_
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#define _CL_BYTESWAP_OSD_H_
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/*
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* This provides defines __LITTLE_ENDIAN, __BIG_ENDIAN and __BYTE_ORDER
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*/
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#include <endian.h>
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#include <byteswap.h>
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#ifdef __cplusplus
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# define BEGIN_C_DECLS extern "C" {
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# define END_C_DECLS }
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#else /* !__cplusplus */
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# define BEGIN_C_DECLS
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# define END_C_DECLS
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#endif /* __cplusplus */
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BEGIN_C_DECLS
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define cl_ntoh16(x) bswap_16(x)
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#define cl_hton16(x) bswap_16(x)
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#define cl_ntoh32(x) bswap_32(x)
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#define cl_hton32(x) bswap_32(x)
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#define cl_ntoh64(x) (uint64_t)bswap_64(x)
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#define cl_hton64(x) (uint64_t)bswap_64(x)
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#else /* Big Endian */
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#define cl_ntoh16(x) (x)
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#define cl_hton16(x) (x)
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#define cl_ntoh32(x) (x)
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#define cl_hton32(x) (x)
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#define cl_ntoh64(x) (x)
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#define cl_hton64(x) (x)
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#endif
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END_C_DECLS
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#endif /* _CL_BYTESWAP_OSD_H_ */
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