bswap.h (950B)
1 /* 2 * Byte swap functions - taken from include/qemu/bswap.h 3 * 4 * This work is licensed under the terms of the GNU GPL, version 2 or (at 5 * your option) any later version. See the COPYING file in the top-level 6 * directory. 7 */ 8 9 static inline uint16_t bswap16(uint16_t x) 10 { 11 return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8); 12 } 13 14 static inline uint32_t bswap32(uint32_t x) 15 { 16 return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) | 17 ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24); 18 } 19 20 static inline uint64_t bswap64(uint64_t x) 21 { 22 return ((x & 0x00000000000000ffULL) << 56) | 23 ((x & 0x000000000000ff00ULL) << 40) | 24 ((x & 0x0000000000ff0000ULL) << 24) | 25 ((x & 0x00000000ff000000ULL) << 8) | 26 ((x & 0x000000ff00000000ULL) >> 8) | 27 ((x & 0x0000ff0000000000ULL) >> 24) | 28 ((x & 0x00ff000000000000ULL) >> 40) | 29 ((x & 0xff00000000000000ULL) >> 56); 30 }