| #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__ */ |