| 1 | #ifndef _BYTESWAP_H |
| 2 | #define _BYTESWAP_H |
| 3 | |
| 4 | #include <features.h> |
| 5 | #include <stdint.h> |
| 6 | |
| 7 | static __inline uint16_t __bswap_16(uint16_t __x) |
| 8 | { |
| 9 | return __x<<8 | __x>>8; |
| 10 | } |
| 11 | |
| 12 | static __inline uint32_t __bswap_32(uint32_t __x) |
| 13 | { |
| 14 | return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24; |
| 15 | } |
| 16 | |
| 17 | static __inline uint64_t __bswap_64(uint64_t __x) |
| 18 | { |
| 19 | return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32); |
| 20 | } |
| 21 | |
| 22 | #define bswap_16(x) __bswap_16(x) |
| 23 | #define bswap_32(x) __bswap_32(x) |
| 24 | #define bswap_64(x) __bswap_64(x) |
| 25 | |
| 26 | #endif |