libft/ft_strncmp.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strncmp.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/10/16 13:23:17 by kcolin            #+#    #+#             */
/*   Updated: 2024/10/22 12:25:39 by kcolin           ###   ########.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] != '\0' && s2[i] != '\0')
	{
		if (i >= n)
			return (0);
		if (s1[i] != s2[i])
			break ;
		i++;
	}
	if (i >= n)
		return (0);
	return ((unsigned char)s1[i] - (unsigned char)s2[i]);
}

/*
#include <stdio.h>
#include <string.h>

int	main(int argc, char **argv)
{
	size_t	cmp_len;

	cmp_len = 6;
	if (argc > 2)
	{
		printf("mine: %d\tlib: %d\n",
			ft_strncmp(argv[1], argv[2], cmp_len),
			strncmp(argv[1], argv[2], cmp_len));
	}
	return (0);
}
*/