/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: vvobis <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/04/10 10:49:04 by vvobis            #+#    #+#             */
/*   Updated: 2024/08/17 21:39:08 by victor           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	is_space(char const c)
{
	if ((c >= 9 && c <= 13) || c == ' ')
		return (1);
	return (0);
}

int	ft_atoi(char const *s)
{
	int			nb;
	char const	*tmp;

	nb = 0;
	while (is_space(*s))
		s++;
	tmp = s;
	if (*tmp == '+' || *tmp == '-')
		tmp++;
	while (*tmp >= '0' && *tmp <= '9')
	{
		nb *= 10;
		nb += (*tmp - '0');
		tmp++;
	}
	if (*s == '-')
		nb = -nb;
	return (nb);
}