libft/ft_memcmp.c at master · edelangh/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_memcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: edelangh <edelangh@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2014/11/03 17:27:44 by edelangh          #+#    #+#             */
/*   Updated: 2014/11/06 10:13:43 by edelangh         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_memcmp(const void *s1, const void *s2, size_t n)
{
	int				i;
	unsigned char	*t1;
	unsigned char	*t2;

	i = 0;
	t1 = (unsigned char*)s1;
	t2 = (unsigned char*)s2;
	while (n--)
	{
		if (t1[i] != t2[i])
			return (t1[i] - t2[i]);
		++i;
	}
	return (0);
}