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jterrazz/42-ssl-2.c

Created July 21, 2019 16:55
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42-ssl-2.c
uint64_t ft_bswap_uint64(uint64_t x)
{
x = ((x << 8) & 0xFF00FF00FF00FF00ULL ) | ((x >> 8) & 0x00FF00FF00FF00FFULL );
x = ((x << 16) & 0xFFFF0000FFFF0000ULL ) | ((x >> 16) & 0x0000FFFF0000FFFFULL );
return (x << 32) | (x >> 32);
}
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