/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/07/19 10:08:23 by cchauvet          #+#    #+#             */
/*   Updated: 2022/07/25 10:00:39 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

int	ft_atoi(char *str)
{
	int		i;
	int		sign;
	int		nbr;

	i = 0;
	sign = 1;
	nbr = 0;
	while (str[i] == ' ')
		i++;
	while (str[i] == '+' || str[i] == '-')
	{
		if (str[i] == '-')
			sign = sign * -1;
		i++;
	}
	while (str[i] >= '0' && str[i] <= '9')
	{
		nbr = (nbr * 10 + (str[i] - '0'));
		i++;
	}
	return (nbr * sign);
}