17777dab0Sopenharmony_ci#ifndef _BYTESWAP_H 27777dab0Sopenharmony_ci#define _BYTESWAP_H 37777dab0Sopenharmony_ci 47777dab0Sopenharmony_ci#include <features.h> 57777dab0Sopenharmony_ci#include <stdint.h> 67777dab0Sopenharmony_ci 77777dab0Sopenharmony_cistatic __inline uint16_t __bswap_16(uint16_t __x) 87777dab0Sopenharmony_ci{ 97777dab0Sopenharmony_ci return __x<<8 | __x>>8; 107777dab0Sopenharmony_ci} 117777dab0Sopenharmony_ci 127777dab0Sopenharmony_cistatic __inline uint32_t __bswap_32(uint32_t __x) 137777dab0Sopenharmony_ci{ 147777dab0Sopenharmony_ci return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24; 157777dab0Sopenharmony_ci} 167777dab0Sopenharmony_ci 177777dab0Sopenharmony_cistatic __inline uint64_t __bswap_64(uint64_t __x) 187777dab0Sopenharmony_ci{ 197777dab0Sopenharmony_ci return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32); 207777dab0Sopenharmony_ci} 217777dab0Sopenharmony_ci 227777dab0Sopenharmony_ci#define bswap_16(x) __bswap_16(x) 237777dab0Sopenharmony_ci#define bswap_32(x) __bswap_32(x) 247777dab0Sopenharmony_ci#define bswap_64(x) __bswap_64(x) 257777dab0Sopenharmony_ci 267777dab0Sopenharmony_ci#endif 27