ft_print_unsigned_hex.c

Go to the documentation of this file.

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_print_unsigned_hex.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_hex_len(unsigned int n)
{
    int len;
 
    len = 0;
    while (n != 0)
    {
        n = n / 16;
        len++;
    }
    return (len);
}
 
void    ft_put_hex(unsigned int n, const char upper_lower)
{
    if (n >= 16)
    {
        ft_put_hex(n / 16, upper_lower);
        ft_put_hex(n % 16, upper_lower);
    }
    else
    {
        if (n <= 9)
            ft_putchar_fd((n + '0'), 1);
        else
        {
            if (upper_lower == 'x')
                ft_putchar_fd((n - 10 + 'a'), 1);
            if (upper_lower == 'X')
                ft_putchar_fd((n - 10 + 'A'), 1);
        }
    }
}
 
int ft_print_unsigned_hex(unsigned int n, const char upper_lower)
{
    if (n == 0)
    {
        ft_putchar_fd('0', 1);
        return (1);
    }
    else
        ft_put_hex(n, upper_lower);
    return (ft_hex_len(n));
}