ft_print_unsigned.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_print_unsigned.c                                :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ygunay <ygunay@student.s19.be>             +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/08/17 18:50:12 by ygunay            #+#    #+#             */
/*   Updated: 2022/08/18 15:37:18 by ygunay           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

static int	ft_len_unsigned(unsigned int nb)
{
	int	len;

	len = 0;
	while (nb != 0)
	{
		nb /= 10;
		len++;
	}
	return (len);
}

static char	*ft_utoa(unsigned int nb)
{
	int		len;
	char	*result;

	len = ft_len_unsigned(nb);
	result = malloc(sizeof(char) * len + 1);
	if (!result)
		return (NULL);
	result[len] = '\0';
	while (nb != 0)
	{
		result[len - 1] = nb % 10 + '0';
		nb /= 10;
		len--;
	}
	return (result);
}

int	ft_print_unsigned(unsigned int nb)
{
	int		len;
	char	*n;

	len = 0;
	if (nb == 0)
		len += write(1, "0", 1);
	else
	{
		n = ft_utoa(nb);
		len += ft_print_str(n);
		free(n);
	}
	return (len);
}