42_ft_printf/ft_ltoabase.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_ltoabase.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/10/10 03:26:21 by cchauvet          #+#    #+#             */
/*   Updated: 2022/10/10 14:41:28 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "printf.h"

char	*ft_ltoabase(long int n, char *base)
{
	char			*mid_out;
	char			*out;
	unsigned long	nb;

	if (base == NULL)
		return (NULL);
	if (n < 0)
	{
		nb = -n;
		mid_out = ft_ultoabase(nb, base);
		if (mid_out == NULL)
			return (NULL);
		out = ft_strjoin("-", mid_out);
		free(mid_out);
	}
	else
	{
		nb = n;
		return (ft_ultoabase(nb, base));
	}
	return (out);
}