/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: grobledo <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/04 14:30:22 by grobledo          #+#    #+#             */
/*   Updated: 2023/02/04 14:30:24 by grobledo         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
#include "libft.h"

int	ft_atoi(const char *str)
{
	int	i;
	int	is_neg;
	int	number;

	i = 0;
	is_neg = 1;
	number = 0;
	while ((str[i] >= 9 && str[i] <= 13) || str[i] == 32)
		i++;
	if (str[i] == '-' || str[i] == '+')
	{
		if (str[i] == '-')
			is_neg *= -1;
		i++;
	}
	while (str [i] >= '0' && str[i] <= '9')
		number = (number * 10) + str[i++] - 48;
	return (number * is_neg);
}