nsz Git - musl/blob - include/byteswap.h

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