ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aelphias <aelphias@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/09/26 17:15:15 by aelphias          #+#    #+#             */
/*   Updated: 2019/09/28 21:14:43 by aelphias         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_strncmp(const char *s1, const char *s2, size_t n)
{
	size_t				i;
	const unsigned char	*ss1;
	const unsigned char	*ss2;

	i = 0;
	ss1 = (unsigned char *)s1;
	ss2 = (unsigned char *)s2;
	while (i < n && ss1[i] != '\0' && ss2[i] != '\0')
	{
		if (ss1[i] != ss2[i])
			return (ss1[i] - ss2[i]);
		i++;
	}
	if (ss1[i] != ss2[i] && i != n)
		return (ss1[i] - ss2[i]);
	return (0);
}