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/*
* These are little/big endian routines for the main module of CNTLM
*
* CNTLM is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* CNTLM is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
* St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2007 David Kubicek
*
*/
#ifndef _SWAP_H
#define _SWAP_H
#include <stdint.h>
#include "config/config.h"
#define swap16(x) \
((uint16_t)( \
(((uint16_t)(x) & (uint16_t)0x00ffU) << 8) | \
(((uint16_t)(x) & (uint16_t)0xff00U) >> 8) ))
#define swap32(x) \
((uint32_t)( \
(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \
(((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \
(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \
(((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24) ))
#define swap64(x) \
((uint64_t)( \
(((uint64_t)(x) & (uint64_t)0xff00000000000000ULL) >> 56) | \
(((uint64_t)(x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(((uint64_t)(x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(((uint64_t)(x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(((uint64_t)(x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(((uint64_t)(x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(((uint64_t)(x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(((uint64_t)(x) & (uint64_t)0x00000000000000ffULL) << 56) ))
#if config_endian == 0
# define U16LE(x) swap16(x)
# define U32LE(x) swap32(x)
# define U64LE(x) swap64(x)
# define U16BE(x) (x)
# define U32BE(x) (x)
# define U64BE(x) (x)
#else
# define U16LE(x) (x)
# define U32LE(x) (x)
# define U64LE(x) (x)
# define U16BE(x) swap16(x)
# define U32BE(x) swap32(x)
# define U64BE(x) swap64(x)
#endif
#endif /* _SWAP_H */
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