Files
third_party_musl2/porting/liteos_a/kernel/include/byteswap.h
T
Caoruihong a7a91cd947 chore: isolate modifications into the porting folder
isolate changes, keep orignal musl sources clean.

Signed-off-by: Caoruihong <crh.cao@huawei.com>
Change-Id: Id7f3a5109771f93d397e30febba36e09ddaf4f36
2021-06-11 11:51:50 +08:00

27 lines
511 B
C

#ifndef _BYTESWAP_H
#define _BYTESWAP_H
#include <features.h>
#include <stdint.h>
static __inline uint16_t __bswap_16(uint16_t __x)
{
return __x<<8 | __x>>8;
}
static __inline uint32_t __bswap_32(uint32_t __x)
{
return (__x>>24) | (__x>>8&0xff00) | (__x<<8&0xff0000) | (__x<<24);
}
static __inline uint64_t __bswap_64(uint64_t __x)
{
return (__bswap_32(__x)+0ULL)<<32 | __bswap_32(__x>>32);
}
#define bswap_16(x) __bswap_16(x)
#define bswap_32(x) __bswap_32(x)
#define bswap_64(x) __bswap_64(x)
#endif