/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: scebula <scebula@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2015/11/26 09:47:14 by scebula           #+#    #+#             */
/*   Updated: 2015/12/04 00:21:47 by scebula          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_atoi(const char *str)
{
	int n;
	int sign;

	sign = 1;
	n = 0;
	while (ft_isspace(*str))
		str++;
	if (*str == '-')
	{
		sign = -1;
		str++;
	}
	else if (*str == '+')
	{
		str++;
	}
	while (*str && ft_isdigit(*str))
	{
		n = n * 10 + (*str - '0');
		str++;
	}
	return (n * sign);
}