ft_print_ptr.c

Go to the documentation of this file.

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_print_ptr.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rocky <rmikhayl@student.42london.com>      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/01/07 15:47:43 by rocky             #+#    #+#             */
/*   Updated: 2024/01/07 15:47:43 by rocky            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
 
int ft_ptr_len(uintptr_t num)
{
    int len;
 
    len = 0;
    while (num != 0)
    {
        len++;
        num = num / 16;
    }
    return (len);
}
 
void    ft_put_ptr(uintptr_t num)
{
    if (num >= 16)
    {
        ft_put_ptr(num / 16);
        ft_put_ptr(num % 16);
    }
    else
    {
        if (num <= 9)
            ft_putchar_fd((num + '0'), 1);
        else
            ft_putchar_fd((num - 10 + 'a'), 1);
    }
}
 
int ft_print_ptr(unsigned long long ptr)
{
    int print_length;
 
    print_length = 0;
    if (ptr == 0)
        print_length += write(1, "(nil)", 5);
    else
    {
        print_length += write(1, "0x", 2);
        ft_put_ptr(ptr);
        print_length += ft_ptr_len(ptr);
    }
    return (print_length);
}