source: EcnlProtoTool/trunk/musl-1.1.12/include/byteswap.h@ 279

Last change on this file since 279 was 279, checked in by coas-nagasima, 7 years ago

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File size: 501 bytes
Line 
1#ifndef _BYTESWAP_H
2#define _BYTESWAP_H
3
4#include <features.h>
5#include <stdint.h>
6
7static __inline uint16_t __bswap_16(uint16_t __x)
8{
9 return __x<<8 | __x>>8;
10}
11
12static __inline uint32_t __bswap_32(uint32_t __x)
13{
14 return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
15}
16
17static __inline uint64_t __bswap_64(uint64_t __x)
18{
19 return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
20}
21
22#define bswap_16(x) __bswap_16(x)
23#define bswap_32(x) __bswap_32(x)
24#define bswap_64(x) __bswap_64(x)
25
26#endif
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