xref: /third_party/musl/porting/liteos_a/kernel/include/byteswap.h
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  • only in /third_party/musl/porting/liteos_a/kernel/include/
1570af302Sopenharmony_ci#ifndef _BYTESWAP_H
2570af302Sopenharmony_ci#define _BYTESWAP_H
3570af302Sopenharmony_ci
4570af302Sopenharmony_ci#include <features.h>
5570af302Sopenharmony_ci#include <stdint.h>
6570af302Sopenharmony_ci
7570af302Sopenharmony_cistatic __inline uint16_t __bswap_16(uint16_t __x)
8570af302Sopenharmony_ci{
9570af302Sopenharmony_ci	return __x<<8 | __x>>8;
10570af302Sopenharmony_ci}
11570af302Sopenharmony_ci
12570af302Sopenharmony_cistatic __inline uint32_t __bswap_32(uint32_t __x)
13570af302Sopenharmony_ci{
14570af302Sopenharmony_ci	return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
15570af302Sopenharmony_ci}
16570af302Sopenharmony_ci
17570af302Sopenharmony_cistatic __inline uint64_t __bswap_64(uint64_t __x)
18570af302Sopenharmony_ci{
19570af302Sopenharmony_ci	return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
20570af302Sopenharmony_ci}
21570af302Sopenharmony_ci
22570af302Sopenharmony_ci#define bswap_16(x) __bswap_16(x)
23570af302Sopenharmony_ci#define bswap_32(x) __bswap_32(x)
24570af302Sopenharmony_ci#define bswap_64(x) __bswap_64(x)
25570af302Sopenharmony_ci
26570af302Sopenharmony_ci#endif
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Indexes created Thu Nov 07 10:32:03 CST 2024