blob: 7ca267bdddb6a13b4998d220a70ff50929298b04 (
plain)
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
|
#ifndef _BSWAP_H
#define _BSWAP_H 1
#if !defined(__BYTE_ORDER) && defined(BYTE_ORDER)
# define __BYTE_ORDER = BYTE_ORDER
#endif
#ifndef __BYTE_ORDER
#ifdef __linux__
#include <endian.h>
#else
#define __LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */
#define __BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
#define __PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */
#if defined(sun386) || defined(i386)
#define __BYTE_ORDER __LITTLE_ENDIAN
#endif
#if defined(sparc)
#define __BYTE_ORDER __BIG_ENDIAN
#endif
#endif /* __linux__ */
#endif /* __BYTE_ORDER */
#ifndef __BYTE_ORDER
# error "Undefined __BYTE_ORDER"
#endif
#ifdef __linux__
#include <byteswap.h>
#else
#include <string.h>
static __inline__ uint32_t bswap_32(uint32_t x)
{
uint32_t res;
swab((void*)&x, (void*)&res, sizeof(uint32_t));
return res;
}
static __inline__ uint16_t bswap_16(uint16_t x)
{
uint16_t res;
swab((void*)&x, (void*)&res, sizeof(uint16_t));
return res;
}
#endif
#endif
|
