69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
#ifndef __MACHINE_ENDIAN_H__
|
|
#define __MACHINE_ENDIAN_H__
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/_types.h>
|
|
#include <machine/_endian.h>
|
|
|
|
#if _BYTE_ORDER == _LITTLE_ENDIAN
|
|
#define _QUAD_HIGHWORD 1
|
|
#define _QUAD_LOWWORD 0
|
|
#else
|
|
#define _QUAD_HIGHWORD 0
|
|
#define _QUAD_LOWWORD 1
|
|
#endif
|
|
|
|
#if __BSD_VISIBLE
|
|
#define LITTLE_ENDIAN _LITTLE_ENDIAN
|
|
#define BIG_ENDIAN _BIG_ENDIAN
|
|
#define PDP_ENDIAN _PDP_ENDIAN
|
|
#define BYTE_ORDER _BYTE_ORDER
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
#define __bswap16(_x) __builtin_bswap16(_x)
|
|
#define __bswap32(_x) __builtin_bswap32(_x)
|
|
#define __bswap64(_x) __builtin_bswap64(_x)
|
|
#else /* __GNUC__ */
|
|
static __inline __uint16_t
|
|
__bswap16(__uint16_t _x)
|
|
{
|
|
|
|
return ((__uint16_t)((_x >> 8) | ((_x << 8) & 0xff00)));
|
|
}
|
|
|
|
static __inline __uint32_t
|
|
__bswap32(__uint32_t _x)
|
|
{
|
|
|
|
return ((__uint32_t)((_x >> 24) | ((_x >> 8) & 0xff00) |
|
|
((_x << 8) & 0xff0000) | ((_x << 24) & 0xff000000)));
|
|
}
|
|
|
|
static __inline __uint64_t
|
|
__bswap64(__uint64_t _x)
|
|
{
|
|
|
|
return ((__uint64_t)((_x >> 56) | ((_x >> 40) & 0xff00) |
|
|
((_x >> 24) & 0xff0000) | ((_x >> 8) & 0xff000000) |
|
|
((_x << 8) & ((__uint64_t)0xff << 32)) |
|
|
((_x << 24) & ((__uint64_t)0xff << 40)) |
|
|
((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56))));
|
|
}
|
|
#endif /* !__GNUC__ */
|
|
|
|
#ifndef __machine_host_to_from_network_defined
|
|
#if _BYTE_ORDER == _LITTLE_ENDIAN
|
|
#define __htonl(_x) __bswap32(_x)
|
|
#define __htons(_x) __bswap16(_x)
|
|
#define __ntohl(_x) __bswap32(_x)
|
|
#define __ntohs(_x) __bswap16(_x)
|
|
#else
|
|
#define __htonl(_x) ((__uint32_t)(_x))
|
|
#define __htons(_x) ((__uint16_t)(_x))
|
|
#define __ntohl(_x) ((__uint32_t)(_x))
|
|
#define __ntohs(_x) ((__uint16_t)(_x))
|
|
#endif
|
|
#endif /* __machine_host_to_from_network_defined */
|
|
|
|
#endif /* __MACHINE_ENDIAN_H__ */
|