1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
This file is part of Kismet
Kismet 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.
Kismet 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 Kismet; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ENDIAN_MAGIC_H__
#define __ENDIAN_MAGIC_H__
#include "config.h"
// Byteswap magic
#ifdef WORDS_BIGENDIAN
#define kis_hton16(x) (x)
#define kis_ntoh16(x) (x)
#define kis_hton32(x) (x)
#define kis_ntoh32(x) (x)
#define kis_hton64(x) (x)
#define kis_ntoh64(x) (x)
#define kis_letoh16(x) kis_swap16((x))
#define kis_betoh16(x) (x)
#else
#define kis_hton16(x) kis_swap16((x))
#define kis_ntoh16(x) kis_swap16((x))
#define kis_letoh16(x) (x)
#define kis_betoh16(x) kis_swap16(x)
#define kis_hton32(x) kis_swap32((x))
#define kis_ntoh32(x) kis_swap32((x))
#define kis_hton64(x) kis_swap64((x))
#define kis_ntoh64(x) kis_swap64((x))
#endif
// Swap magic
#define kis_swap16(x) \
({ \
uint16_t __x = (x); \
((uint16_t)( \
(uint16_t)(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
(uint16_t)(((uint16_t)(__x) & (uint16_t)0xff00) >> 8) )); \
})
#define kis_swap32(x) \
({ \
uint32_t __x = (x); \
((uint32_t)( \
(uint32_t)(((uint32_t)(__x) & (uint32_t)0x000000ff) << 24) | \
(uint32_t)(((uint32_t)(__x) & (uint32_t)0x0000ff00) << 8) | \
(uint32_t)(((uint32_t)(__x) & (uint32_t)0x00ff0000) >> 8) | \
(uint32_t)(((uint32_t)(__x) & (uint32_t)0xff000000) >> 24) )); \
})
#define kis_swap64(x) \
({ \
uint64_t __x = (x); \
((uint64_t)( \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
(uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
})
#endif
|
