libft/ft_strncmp.c at main · fjgalan/libft · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: fgalan-n <fgalan-n@student.42malaga.com>   +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/09/25 13:23:13 by fgalan-n          #+#    #+#             */
/*   Updated: 2022/10/03 10:01:17 by fgalan-n         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

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

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