/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/11/29 00:09:17 by apommier          #+#    #+#             */
/*   Updated: 2020/12/12 12:05:13 by apommier         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_atoi(const char *nptr)
{
	int i;
	int nbr;
	int minus;

	minus = 1;
	nbr = 0;
	i = 0;
	while ((nptr[i] >= 9 && nptr[i] <= 13) || nptr[i] == 32)
		i++;
	if (nptr[i] == '+')
		i++;
	else if (nptr[i] == '-')
	{
		i++;
		minus = -1;
	}
	while (nptr[i] >= '0' && nptr[i] <= '9')
	{
		nbr = nbr * 10 + nptr[i] - '0';
		i++;
	}
	return (minus * nbr);
}