/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_itoa.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: pbonilla <eirodeis.lepnj@gmail.com>        +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/11/24 21:27:16 by pbonilla          #+#    #+#             */
/*   Updated: 2021/01/31 04:53:05 by pbonilla         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int		number_len(int n)
{
	int		size;

	if (n == 0)
		return (1);
	size = 0;
	if (n < 0)
	{
		n = -n;
		++size;
	}
	while (n != 0)
	{
		n /= 10;
		++size;
	}
	return (size);
}

char	*ft_itoa(int n)
{
	long	long_n;
	char	*number;
	int		size;

	long_n = n;
	size = number_len(n);
	if (!(number = malloc(sizeof(char) * (size + 1))))
		return (NULL);
	number[size] = 0;
	--size;
	if (long_n < 0)
		long_n = -long_n;
	while (size >= 0)
	{
		number[size] = '0' + (long_n % 10);
		--size;
		long_n /= 10;
	}
	if (n < 0)
		number[0] = '-';
	return (number);
}