#ifndef __ENDIAN_H__ # define __ENDIAN_H__ #ifdef __cplusplus extern "C" { #endif #include /* Follow macros provided by GCC. */ #define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__ #define BIG_ENDIAN __ORDER_BIG_ENDIAN__ #define BYTE_ORDER __BYTE_ORDER__ #if BYTE_ORDER == LITTLE_ENDIAN #define htobe16(x) __builtin_bswap16(x) #define htole16(x) (x) #define be16toh(x) __builtin_bswap16(x) #define le16toh(x) (x) #define htobe32(x) __builtin_bswap32(x) #define htole32(x) (x) #define be32toh(x) __builtin_bswap32(x) #define le32toh(x) (x) #define htobe64(x) __builtin_bswap64(x) #define htole64(x) (x) #define be64toh(x) __builtin_bswap64(x) #define le64toh(x) (x) #elif BYTE_ORDER == BIG_ENDIAN #define htobe16(x) (x) #define htole16(x) __builtin_bswap16(x) #define be16toh(x) (x) #define le16toh(x) __builtin_bswap16(x) #define htobe32(x) (x) #define htole32(x) __builtin_bswap32(x) #define be32toh(x) (x) #define le32toh(x) __builtin_bswap32(x) #define htobe64(x) (x) #define htole64(x) __builtin_bswap64(x) #define be64toh(x) (x) #define le64toh(x) __builtin_bswap64(x) #endif /* LITTLE_ENDIAN vs. BIG_ENDIAN */ #ifdef __cplusplus } #endif #endif /*__ENDIAN_H__*/