Initial import.

[mirror_edk2.git] / EdkModulePkg / Universal / Network / PxeBc / Dxe / hton.h

/*++\r
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Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
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Module name:\r
  hton.h\r
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Abstract:\r
  Byte swapping macros.\r
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--*/\r
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#ifndef _HTON_H_\r
#define _HTON_H_\r
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//\r
// Only Intel order functions are defined at this time.\r
//\r
#define HTONS(v)  (UINT16) ((((v) << 8) & 0xff00) + (((v) >> 8) & 0x00ff))\r
\r
#define HTONL(v) \\r
  (UINT32) ((((v) << 24) & 0xff000000) + (((v) << 8) & 0x00ff0000) + (((v) >> 8) & 0x0000ff00) + (((v) >> 24) & 0x000000ff))\r
\r
#define HTONLL(v) swap64 (v)\r
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#define U8PTR(na) ((UINT8 *) &(na))\r
\r
#define NTOHS(ns) ((UINT16) (((*U8PTR (ns)) << 8) +*(U8PTR (ns) + 1)))\r
\r
#define NTOHL(ns) \\r
    ((UINT32) (((*U8PTR (ns)) << 24) + ((*(U8PTR (ns) + 1)) << 16) + ((*(U8PTR (ns) + 2)) << 8) +*(U8PTR (ns) + 3)))\r
\r
#endif /* _HTON_H_ */\r
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/* EOF - hton.h */\r