diff options
Diffstat (limited to 'libc-top-half/musl/include/byteswap.h')
-rw-r--r-- | libc-top-half/musl/include/byteswap.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libc-top-half/musl/include/byteswap.h b/libc-top-half/musl/include/byteswap.h new file mode 100644 index 0000000..00b9df3 --- /dev/null +++ b/libc-top-half/musl/include/byteswap.h @@ -0,0 +1,26 @@ +#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 |