ft_putnbr_base.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_putnbr_base.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kokaimov <kokaimov@student.42berlin.de>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/19 21:36:37 by kokaimov          #+#    #+#             */
/*   Updated: 2023/11/19 21:36:37 by kokaimov         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

static int	check_base(char *base)
{
	int	i;
	int	j;

	if (ft_strlen(base) < 2)
		return (0);
	i = 0;
	while (base[i])
	{
		if (base[i] == '+' || base[i] == '-')
			return (0);
		j = i + 1;
		while (base[j])
		{
			if (base[i] == base[j])
				return (0);
			j++;
		}
		i++;
	}
	return (1);
}

int	ft_putnbr_base(long nbr, char *base)
{
	long	nb;
	int		base_len;
	int		count;

	if (!check_base(base))
		return (0);
	nb = nbr;
	base_len = (int)ft_strlen(base);
	count = 0;
	if (nb < 0)
	{
		nb = -nb;
		write(1, "-", 1);
		count++;
	}
	if (nb >= base_len)
		count += ft_putnbr_base(nb / base_len, base);
	write(1, &base[nb % base_len], 1);
	return (count + 1);
}