diff options
Diffstat (limited to 'tools/blktap')
| -rw-r--r-- | tools/blktap/drivers/bswap.h | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/tools/blktap/drivers/bswap.h b/tools/blktap/drivers/bswap.h index 45016b978b..5578913fd6 100644 --- a/tools/blktap/drivers/bswap.h +++ b/tools/blktap/drivers/bswap.h @@ -13,45 +13,9 @@ #define bswap_16(x) swap16(x) #define bswap_32(x) swap32(x) #define bswap_64(x) swap64(x) -#else +#elif defined(__linux__) -#ifdef HAVE_BYTESWAP_H #include <byteswap.h> -#else - -#define bswap_16(x) \ -({ \ - uint16_t __x = (x); \ - ((uint16_t)( \ - (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \ - (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \ -}) - -#define bswap_32(x) \ -({ \ - uint32_t __x = (x); \ - ((uint32_t)( \ - (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \ - (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \ - (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \ - (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \ -}) - -#define bswap_64(x) \ -({ \ - uint64_t __x = (x); \ - ((uint64_t)( \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) << 8) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >> 8) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \ - (uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \ -}) - -#endif /* !HAVE_BYTESWAP_H */ static inline uint16_t bswap16(uint16_t x) { |