ft_putnbr_fd.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_putnbr_fd.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kyalexan <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/22 10:27:26 by kyalexan          #+#    #+#             */
/*   Updated: 2021/12/12 14:20:53 by kyalexan         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static int	intlen(int n)
{
	int	len;

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

void	ft_putnbr_fd(int n, int fd)
{
	char	n_str[12];
	int		len;
	int		i;

	if (n == -2147483648)
		write(fd, "-2147483648", 11);
	else
	{
		len = intlen(n);
		i = 0;
		if (n < 0)
		{
			write(fd, "-", 1);
			n *= -1;
		}
		while (i < len)
		{
			n_str[len - i - 1] = n % 10 + '0';
			n /= 10;
			i++;
		}
		write(fd, n_str, len);
	}
}