2007-09-30 05:08:02 +02:00
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/** @file
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Copyright (c) 2004, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module name:
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hton.h
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Abstract:
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Byte swapping macros.
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**/
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#ifndef _HTON_H_
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#define _HTON_H_
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//
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// Only Intel order functions are defined at this time.
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//
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#define HTONS(v) (UINT16) ((((v) << 8) & 0xff00) + (((v) >> 8) & 0x00ff))
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#define HTONL(v) \
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(UINT32) ((((v) << 24) & 0xff000000) + (((v) << 8) & 0x00ff0000) + (((v) >> 8) & 0x0000ff00) + (((v) >> 24) & 0x000000ff))
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#define HTONLL(v) swap64 (v)
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#define U8PTR(na) ((UINT8 *) &(na))
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#define NTOHS(ns) ((UINT16) (((*U8PTR (ns)) << 8) +*(U8PTR (ns) + 1)))
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#define NTOHL(ns) \
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((UINT32) (((*U8PTR (ns)) << 24) + ((*(U8PTR (ns) + 1)) << 16) + ((*(U8PTR (ns) + 2)) << 8) +*(U8PTR (ns) + 3)))
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#endif /* _HTON_H_ */
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/* EOF - hton.h */
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