#ifndef _ENDIAN_H #define _ENDIAN_H #include #define __LITTLE_ENDIAN 1234 #define __BIG_ENDIAN 4321 #define __PDP_ENDIAN 3412 #if defined(__GNUC__) && defined(__BYTE_ORDER__) #define __BYTE_ORDER __BYTE_ORDER__ #else #include #endif #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #define BIG_ENDIAN __BIG_ENDIAN #define LITTLE_ENDIAN __LITTLE_ENDIAN #define PDP_ENDIAN __PDP_ENDIAN #define BYTE_ORDER __BYTE_ORDER #include static __inline uint16_t __bswap16(uint16_t __x) { return (__x<<8) | (__x>>8); } static __inline uint32_t __bswap32(uint32_t __x) { return (__x>>24) | ((__x>>8)&0xff00) | ((__x<<8)&0xff0000) | (__x<<24); } static __inline uint64_t __bswap64(uint64_t __x) { return ((__bswap32(__x)+0ULL)<<32) | __bswap32(__x>>32); } #if __BYTE_ORDER == __LITTLE_ENDIAN #define htobe16(x) __bswap16(x) #define be16toh(x) __bswap16(x) #define betoh16(x) __bswap16(x) #define htobe32(x) __bswap32(x) #define be32toh(x) __bswap32(x) #define betoh32(x) __bswap32(x) #define htobe64(x) __bswap64(x) #define be64toh(x) __bswap64(x) #define betoh64(x) __bswap64(x) #define htole16(x) (uint16_t)(x) #define le16toh(x) (uint16_t)(x) #define letoh16(x) (uint16_t)(x) #define htole32(x) (uint32_t)(x) #define le32toh(x) (uint32_t)(x) #define letoh32(x) (uint32_t)(x) #define htole64(x) (uint64_t)(x) #define le64toh(x) (uint64_t)(x) #define letoh64(x) (uint64_t)(x) #else #define htobe16(x) (uint16_t)(x) #define be16toh(x) (uint16_t)(x) #define betoh16(x) (uint16_t)(x) #define htobe32(x) (uint32_t)(x) #define be32toh(x) (uint32_t)(x) #define betoh32(x) (uint32_t)(x) #define htobe64(x) (uint64_t)(x) #define be64toh(x) (uint64_t)(x) #define betoh64(x) (uint64_t)(x) #define htole16(x) __bswap16(x) #define le16toh(x) __bswap16(x) #define letoh16(x) __bswap16(x) #define htole32(x) __bswap32(x) #define le32toh(x) __bswap32(x) #define letoh32(x) __bswap32(x) #define htole64(x) __bswap64(x) #define le64toh(x) __bswap64(x) #define letoh64(x) __bswap64(x) #endif #endif #endif