ft_memcmp.c


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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/10/07 09:56:44 by cacharle          #+#    #+#             */
/*   Updated: 2019/10/20 13:00:29 by cacharle         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <string.h>
#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	size_t	i;
	t_byte	*cast_s1;
	t_byte	*cast_s2;

	cast_s1 = (t_byte*)s1;
	cast_s2 = (t_byte*)s2;
	if (n == 0)
		return (0);
	i = -1;
	while (++i < n)
		if (cast_s1[i] != cast_s2[i])
			return (cast_s1[i] - cast_s2[i]);
	return (0);
}