woody-woodpacker/ft_printf/libft/ft_memcmp.c

33 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: pbonilla <eirodeis.lepnj@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/10/29 12:23:50 by pbonilla #+# #+# */
/* Updated: 2021/01/29 13:09:55 by pbonilla ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_memcmp(const void *s1, const void *s2, size_t n)
{
unsigned char *ss1;
unsigned char *ss2;
unsigned int i;
ss1 = (unsigned char *)s1;
ss2 = (unsigned char *)s2;
i = -1;
if (n == 0)
return (0);
while (++i < n)
{
if (ss1[i] != ss2[i])
return (ss1[i] - ss2[i]);
}
return (0);
}