rt/libft/ft_memcmp.c

33 lines
1.1 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: scebula <scebula@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2015/11/24 20:13:47 by scebula #+# #+# */
/* Updated: 2015/11/24 20:19:34 by scebula ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_memcmp(const void *s1, const void *s2, size_t n)
{
unsigned char *a;
unsigned char *b;
a = (unsigned char *)s1;
b = (unsigned char *)s2;
while (n > 0 && *a == *b)
{
a++;
b++;
n--;
}
if (n == 0)
return (0);
else
return (*a - *b);
}