xref: /aosp_15_r20/prebuilts/build-tools/sysroots/i686-unknown-linux-musl/include/byteswap.h (revision cda5da8d549138a6648c5ee6d7a49cf8f4a657be)
1*cda5da8dSAndroid Build Coastguard Worker #ifndef _BYTESWAP_H
2*cda5da8dSAndroid Build Coastguard Worker #define _BYTESWAP_H
3*cda5da8dSAndroid Build Coastguard Worker 
4*cda5da8dSAndroid Build Coastguard Worker #include <features.h>
5*cda5da8dSAndroid Build Coastguard Worker #include <stdint.h>
6*cda5da8dSAndroid Build Coastguard Worker 
__bswap_16(uint16_t __x)7*cda5da8dSAndroid Build Coastguard Worker static __inline uint16_t __bswap_16(uint16_t __x)
8*cda5da8dSAndroid Build Coastguard Worker {
9*cda5da8dSAndroid Build Coastguard Worker 	return __x<<8 | __x>>8;
10*cda5da8dSAndroid Build Coastguard Worker }
11*cda5da8dSAndroid Build Coastguard Worker 
__bswap_32(uint32_t __x)12*cda5da8dSAndroid Build Coastguard Worker static __inline uint32_t __bswap_32(uint32_t __x)
13*cda5da8dSAndroid Build Coastguard Worker {
14*cda5da8dSAndroid Build Coastguard Worker 	return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
15*cda5da8dSAndroid Build Coastguard Worker }
16*cda5da8dSAndroid Build Coastguard Worker 
__bswap_64(uint64_t __x)17*cda5da8dSAndroid Build Coastguard Worker static __inline uint64_t __bswap_64(uint64_t __x)
18*cda5da8dSAndroid Build Coastguard Worker {
19*cda5da8dSAndroid Build Coastguard Worker 	return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
20*cda5da8dSAndroid Build Coastguard Worker }
21*cda5da8dSAndroid Build Coastguard Worker 
22*cda5da8dSAndroid Build Coastguard Worker #define bswap_16(x) __bswap_16(x)
23*cda5da8dSAndroid Build Coastguard Worker #define bswap_32(x) __bswap_32(x)
24*cda5da8dSAndroid Build Coastguard Worker #define bswap_64(x) __bswap_64(x)
25*cda5da8dSAndroid Build Coastguard Worker 
26*cda5da8dSAndroid Build Coastguard Worker #endif
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