| #ifndef _BYTESWAP_H |
| #define _BYTESWAP_H |
| |
| #include <features.h> |
| #include <stdint.h> |
| |
| #pragma clang system_header |
| |
| 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 __bswap_32(__x)+0ULL<<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 |
