ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rnbou <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/10/07 04:58:06 by rnbou             #+#    #+#             */
/*   Updated: 2018/10/10 13:59:10 by rnbou            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_strncmp(const char *s1, const char *s2, size_t len)
{
	size_t i;

	i = 0;
	while ((s1[i] != '\0' || s2[i] != '\0') && i < len)
	{
		if (((unsigned char *)s1)[i] - ((unsigned char *)s2)[i] != 0)
			return (((unsigned char *)s1)[i] - ((unsigned char *)s2)[i]);
		i++;
	}
	return (0);
}