ft_memcmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ccline <ccline@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/30 19:04:24 by ccline            #+#    #+#             */
/*   Updated: 2019/10/05 10:51:12 by ccline           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int		ft_memcmp(const void *s1, const void *s2, size_t n)
{
	int				i;
	unsigned char	*p1;
	unsigned char	*p2;

	i = 0;
	p1 = (unsigned char*)s1;
	p2 = (unsigned char*)s2;
	if (s1 == 0 && s2 == 0 && n == 0)
		return (0);
	while (n--)
	{
		if (p1[i] != p2[i])
			return (p1[i] - p2[i]);
		i++;
	}
	return (0);
}