43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* bswap.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2017/10/30 15:20:32 by jhalford #+# #+# */
|
|
/* Updated: 2017/11/01 12:38:00 by jhalford ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "libft.h"
|
|
|
|
inline uint8_t bswap_8(uint8_t x)
|
|
{
|
|
return (x);
|
|
}
|
|
|
|
inline uint16_t bswap_16(uint16_t x)
|
|
{
|
|
return (((x >> 8) & 0xffu) | ((x & 0xffu) << 8));
|
|
}
|
|
|
|
inline uint32_t bswap_32(uint32_t x)
|
|
{
|
|
return (((x & 0xff000000u) >> 24)
|
|
| ((x & 0x00ff0000u) >> 8)
|
|
| ((x & 0x0000ff00u) << 8)
|
|
| ((x & 0x000000ffu) << 24));
|
|
}
|
|
|
|
inline uint64_t bswap_64(uint64_t x)
|
|
{
|
|
return (((x & 0xff00000000000000ull) >> 56)
|
|
| ((x & 0x00ff000000000000ull) >> 40)
|
|
| ((x & 0x0000ff0000000000ull) >> 24)
|
|
| ((x & 0x000000ff00000000ull) >> 8)
|
|
| ((x & 0x00000000ff000000ull) << 8)
|
|
| ((x & 0x0000000000ff0000ull) << 24)
|
|
| ((x & 0x000000000000ff00ull) << 40)
|
|
| ((x & 0x00000000000000ffull) << 56));
|
|
}
|