#ifndef __MACHINE_ENDIAN_H__ #define __MACHINE_ENDIAN_H__ #include #include #include #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__ */