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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/10/07 09:56:44 by cacharle #+# #+# */
/* Updated: 2020/01/17 10:54:15 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
#include "libft_mem.h"
int ft_memcmp(const void *s1, const void *s2, size_t n)
{
while ((n & 0b111) != 0)
{
n--;
if (*(uint8_t*)s1 != *(uint8_t*)s2)
return (*(uint8_t*)s1 - *(uint8_t*)s2);
s1++;
s2++;
}
while (n > 0)
{
if (*(uint64_t*)s1 != *(uint64_t*)s2)
{
if (((uint8_t*)s1)[0] != ((uint8_t*)s2)[0])
return (((uint8_t*)s1)[0] - ((uint8_t*)s2)[0]);
if (((uint8_t*)s1)[1] != ((uint8_t*)s2)[1])
return (((uint8_t*)s1)[1] - ((uint8_t*)s2)[1]);
if (((uint8_t*)s1)[2] != ((uint8_t*)s2)[2])
return (((uint8_t*)s1)[2] - ((uint8_t*)s2)[2]);
if (((uint8_t*)s1)[3] != ((uint8_t*)s2)[3])
return (((uint8_t*)s1)[3] - ((uint8_t*)s2)[3]);
if (((uint8_t*)s1)[4] != ((uint8_t*)s2)[4])
return (((uint8_t*)s1)[4] - ((uint8_t*)s2)[4]);
if (((uint8_t*)s1)[5] != ((uint8_t*)s2)[5])
return (((uint8_t*)s1)[5] - ((uint8_t*)s2)[5]);
if (((uint8_t*)s1)[6] != ((uint8_t*)s2)[6])
return (((uint8_t*)s1)[6] - ((uint8_t*)s2)[6]);
if (((uint8_t*)s1)[7] != ((uint8_t*)s2)[7])
return (((uint8_t*)s1)[7] - ((uint8_t*)s2)[7]);
}
n -= 8;
s1 += 8;
s2 += 8;
}
return (0);
}
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