/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ajoly <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/07/25 13:48:15 by ajoly             #+#    #+#             */
/*   Updated: 2022/07/25 13:48:19 by ajoly            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

int	ft_atoi(char	*str)
{
	int	i;
	int	result;
	int	neg;

	i = 0;
	neg = 1;
	result = 0;
	while (str[i] == ' ' || str[i] == '\t' || str[i] == '\r'
		|| str[i] == '\n' || str[i] == '\v' || str[i] == '\f')
		i++;
	while (str[i] == '+' || str[i] == '-')
	{
		if (str[i] == '-')
			neg *= -1;
		i++;
	}
	while (str[i] >= '0' && str[i] <= '9')
	{
		result = result * 10 + (str[i] - 48);
		i++;
	}
	return (result * neg);
}