129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
|
/*
|
||
|
|
* endianness.h
|
||
|
|
*
|
||
|
|
* Endian-dependant encoding/decoding, header
|
||
|
|
*
|
||
|
|
* Copyright (c) 1998, 1999, 2000, 2001, 2004 Beeyond Software Holding
|
||
|
|
*
|
||
|
|
* Author: Bob Deblier <bob.deblier@telenet.be>
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library 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
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _ENDIANNESS_H
|
||
|
|
#define _ENDIANNESS_H
|
||
|
|
|
||
|
|
#include "beecrypt/beecrypt.h"
|
||
|
|
|
||
|
|
#if defined(__cplusplus) || HAVE_INLINE
|
||
|
|
|
||
|
|
static inline int16_t _swap16(int16_t n)
|
||
|
|
{
|
||
|
|
return ( ((n & 0xff) << 8) |
|
||
|
|
((n & 0xff00) >> 8) );
|
||
|
|
}
|
||
|
|
# define swap16(n) _swap16(n)
|
||
|
|
|
||
|
|
static inline uint16_t _swapu16(uint16_t n)
|
||
|
|
{
|
||
|
|
return ( ((n & 0xffU) << 8) |
|
||
|
|
((n & 0xff00U) >> 8) );
|
||
|
|
}
|
||
|
|
# define swapu16(n) _swap16(n)
|
||
|
|
|
||
|
|
# ifdef __arch__swab32
|
||
|
|
# define swap32(n) __arch__swab32(n)
|
||
|
|
# define swapu32(n) __arch__swab32(n)
|
||
|
|
# else
|
||
|
|
|
||
|
|
static inline int32_t _swap32(int32_t n)
|
||
|
|
{
|
||
|
|
return ( ((n & 0xff) << 24) |
|
||
|
|
((n & 0xff00) << 8) |
|
||
|
|
((n & 0xff0000) >> 8) |
|
||
|
|
((n & 0xff000000) >> 24) );
|
||
|
|
}
|
||
|
|
# define swap32(n) _swap32(n)
|
||
|
|
|
||
|
|
static inline uint32_t _swapu32(uint32_t n)
|
||
|
|
{
|
||
|
|
return ( ((n & 0xffU) << 24) |
|
||
|
|
((n & 0xff00U) << 8) |
|
||
|
|
((n & 0xff0000U) >> 8) |
|
||
|
|
((n & 0xff000000U) >> 24) );
|
||
|
|
}
|
||
|
|
# define swapu32(n) _swapu32(n)
|
||
|
|
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __arch__swab64
|
||
|
|
# define swap64(n) __arch__swab64(n)
|
||
|
|
# define swapu64(n) __arch__swab64(n)
|
||
|
|
# else
|
||
|
|
|
||
|
|
static inline int64_t _swap64(int64_t n)
|
||
|
|
{
|
||
|
|
return ( ((n & ((int64_t) 0xff) ) << 56) |
|
||
|
|
((n & ((int64_t) 0xff) << 8) << 40) |
|
||
|
|
((n & ((int64_t) 0xff) << 16) << 24) |
|
||
|
|
((n & ((int64_t) 0xff) << 24) << 8) |
|
||
|
|
((n & ((int64_t) 0xff) << 32) >> 8) |
|
||
|
|
((n & ((int64_t) 0xff) << 40) >> 24) |
|
||
|
|
((n & ((int64_t) 0xff) << 48) >> 40) |
|
||
|
|
((n & ((int64_t) 0xff) << 56) >> 56) );
|
||
|
|
}
|
||
|
|
# define swap64(n) _swap64(n)
|
||
|
|
|
||
|
|
static inline uint64_t _swapu64(uint64_t n)
|
||
|
|
{
|
||
|
|
return ( ((n & ((uint64_t) 0xff) ) << 56) |
|
||
|
|
((n & ((uint64_t) 0xff) << 8) << 40) |
|
||
|
|
((n & ((uint64_t) 0xff) << 16) << 24) |
|
||
|
|
((n & ((uint64_t) 0xff) << 24) << 8) |
|
||
|
|
((n & ((uint64_t) 0xff) << 32) >> 8) |
|
||
|
|
((n & ((uint64_t) 0xff) << 40) >> 24) |
|
||
|
|
((n & ((uint64_t) 0xff) << 48) >> 40) |
|
||
|
|
((n & ((uint64_t) 0xff) << 56) >> 56) );
|
||
|
|
}
|
||
|
|
# define swapu64(n) _swapu64(n)
|
||
|
|
|
||
|
|
# endif
|
||
|
|
|
||
|
|
#else
|
||
|
|
BEECRYPTAPI
|
||
|
|
int16_t swap16 (int16_t);
|
||
|
|
BEECRYPTAPI
|
||
|
|
uint16_t swapu16(uint16_t);
|
||
|
|
BEECRYPTAPI
|
||
|
|
int32_t swap32 (int32_t);
|
||
|
|
BEECRYPTAPI
|
||
|
|
uint32_t swapu32(uint32_t);
|
||
|
|
BEECRYPTAPI
|
||
|
|
int64_t swap64 (int64_t);
|
||
|
|
BEECRYPTAPI
|
||
|
|
uint64_t swapu64(uint64_t);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|