42_ft_printf/ft_dprintptr.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_dprintptr.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/06 17:41:04 by cchauvet          #+#    #+#             */
/*   Updated: 2022/10/12 15:22:40 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

int	ft_dprintptr(int fd, void *ptr)
{
	unsigned long	address;
	int				i;

	if (ptr == NULL)
		return (ft_putstr_fd(fd, "(nil)"));
	address = (unsigned long) ptr;
	i = 2;
	ft_putstr_fd(fd, "0x");
	i += ft_dprintul_base(fd, address, "0123456789abcdef");
	return (i);
}