#ifndef _BYTESWAP_H | |
#define _BYTESWAP_H | |
#include <features.h> | |
#include <stdint.h> | |
static __inline uint16_t __bswap_16(uint16_t __x) { | |
return __x << 8 | __x >> 8; | |
} | |
static __inline uint32_t __bswap_32(uint32_t __x) { | |
return __x >> 24 | ((__x >> 8) & 0xff00) | ((__x << 8) & 0xff0000) | | |
__x << 24; | |
} | |
static __inline uint64_t __bswap_64(uint64_t __x) { | |
return ((uint64_t)__bswap_32(__x)) << 32 | __bswap_32(__x >> 32); | |
} | |
#define bswap_16(x) __bswap_16(x) | |
#define bswap_32(x) __bswap_32(x) | |
#define bswap_64(x) __bswap_64(x) | |
#endif |