#ifndef _ENDIAN_H #define _ENDIAN_H #include #define __NEED_uint16_t #define __NEED_uint32_t #define __NEED_uint64_t #include #define __PDP_ENDIAN 3412 #define BIG_ENDIAN __BIG_ENDIAN #define LITTLE_ENDIAN __LITTLE_ENDIAN #define PDP_ENDIAN __PDP_ENDIAN #define BYTE_ORDER __BYTE_ORDER 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 htobe32(x) __bswap32(x) #define be32toh(x) __bswap32(x) #define htobe64(x) __bswap64(x) #define be64toh(x) __bswap64(x) #define htole16(x) (uint16_t)(x) #define le16toh(x) (uint16_t)(x) #define htole32(x) (uint32_t)(x) #define le32toh(x) (uint32_t)(x) #define htole64(x) (uint64_t)(x) #define le64toh(x) (uint64_t)(x) #else #define htobe16(x) (uint16_t)(x) #define be16toh(x) (uint16_t)(x) #define htobe32(x) (uint32_t)(x) #define be32toh(x) (uint32_t)(x) #define htobe64(x) (uint64_t)(x) #define be64toh(x) (uint64_t)(x) #define htole16(x) __bswap16(x) #define le16toh(x) __bswap16(x) #define htole32(x) __bswap32(x) #define le32toh(x) __bswap32(x) #define htole64(x) __bswap64(x) #define le64toh(x) __bswap64(x) #endif #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #if __BYTE_ORDER == __LITTLE_ENDIAN #define betoh16(x) __bswap16(x) #define betoh32(x) __bswap32(x) #define betoh64(x) __bswap64(x) #define letoh16(x) (uint16_t)(x) #define letoh32(x) (uint32_t)(x) #define letoh64(x) (uint64_t)(x) #else #define betoh16(x) (uint16_t)(x) #define betoh32(x) (uint32_t)(x) #define betoh64(x) (uint64_t)(x) #define letoh16(x) __bswap16(x) #define letoh32(x) __bswap32(x) #define letoh64(x) __bswap64(x) #endif #endif #endif