provide loff_t for splice syscall
[musl] / include / byteswap.h
1 #ifndef _BYTESWAP_H
2 #define _BYTESWAP_H
3
4 #include <stdint.h>
5
6 #if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
7 #define __inline inline
8 #endif
9
10 static __inline uint16_t __bswap_16(uint16_t __x)
11 {
12         return __x<<8 | __x>>8;
13 }
14
15 static __inline uint32_t __bswap_32(uint32_t __x)
16 {
17         return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
18 }
19
20 static __inline uint64_t __bswap_64(uint64_t __x)
21 {
22         return __bswap_32(__x)+0ULL<<32 | __bswap_32(__x>>32);
23 }
24
25 #define bswap_16(x) __bswap_16(x)
26 #define bswap_32(x) __bswap_32(x)
27 #define bswap_64(x) __bswap_64(x)
28
29 #endif