ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: aviholai <aviholai@student.hive.fi>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/01/24 15:37:51 by aviholai          #+#    #+#             */
/*   Updated: 2022/02/07 14:27:07 by aviholai         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

/*
**	'Strncmp()' (String number compare) compares the length of two applied strings
**	lexicographically by measuring their lengths and subtracting the
**	difference of string 's1' by string 's2' and returning the outcome.
*/

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

	i = 0;
	if (n == 0)
		return (0);
	while (s1[i] != '\0' && s1[i] == s2[i] && i < n - 1)
		i++;
	return ((unsigned char)s1[i] - (unsigned char)s2[i]);
}