ft_utoa.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_utoa.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sprodatu <sprodatu@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/27 22:43:27 by sprodatu          #+#    #+#             */
/*   Updated: 2024/05/03 21:51:53 by sprodatu         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft/libft.h"
#include "ft_printf.h"

int	ft_unumlen(unsigned int n)
{
	unsigned int	count;

	count = 0;
	if (n == 0)
		return (1);
	while (n > 0)
	{
		n /= 10;
		count++;
	}
	return (count);
}

char	*ft_utoa(unsigned int n)
{
	char			*str;
	int				len;

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