libft/src/ft_strcmp.c


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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_strcmp.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:07:08 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:07:08 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <libft.h>
#include <stddef.h>

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

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