ft_puthex_fd.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   ft_puthex_fd.c                                     :+:    :+:            */
/*                                                     +:+                    */
/*   By: jaberkro <jaberkro@student.codam.nl>         +#+                     */
/*                                                   +#+                      */
/*   Created: 2021/11/28 17:55:51 by jaberkro      #+#    #+#                 */
/*   Updated: 2022/01/04 18:42:45 by Jorien        ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_puthex_fd(unsigned long long n, int u, int fd)
{
	int	out;

	out = 0;
	if (n == 0)
	{
		write(fd, "0", 1);
		return (1);
	}
	if (n / 16 != 0)
		out += ft_puthex_fd(n / 16, u, fd);
	n = n % 16;
	if (n <= 9)
		n += '0';
	else
	{
		if (u == 0)
			n = n - 10 + 'a';
		else
			n = n - 10 + 'A';
	}
	return (out + write(fd, &n, 1));
}