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/* ************************************************************************** */
/*                                                          LE - /            */
/*                                                              /             */
/*   ft_itoa.c                                        .::    .:/ .      .::   */
/*                                                 +:+:+   +:    +:  +:+:+    */
/*   By: rbousset <marvin@le-101.fr>                +:+   +:    +:    +:+     */
/*                                                 #+#   #+    #+    #+#      */
/*   Created: 2019/10/13 02:22:48 by rbousset     #+#   ##    ##    #+#       */
/*   Updated: 2019/10/13 13:35:46 by rbousset    ###    #+. /#+    ###.fr     */
/*                                                         /                  */
/*                                                        /                   */
/* ************************************************************************** */

#include "libft.h"
#include <inttypes.h>
#include <stdlib.h>

static uint8_t
	ft_intllen(int n)
{
	uint8_t	len;

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

char
	*ft_itoa(int n)
{
	char			*s;
	unsigned int	nb;
	uint8_t			i;

	i = ft_intllen(n) - 1;
	if (!(s = (char*)malloc((i + 2) * sizeof(char))))
		return (NULL);
	if (!n)
		s[i] = '0';
	nb = n;
	if (n < 0)
	{
		s[0] = '-';
		nb = -n;
	}
	s[i + 1] = '\0';
	while (nb > 0)
	{
		s[i] = 48 + (nb % 10);
		nb = nb / 10;
		i--;
	}
	return (s);
}