42_Philosopher/utils/putnum.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   putnum.c                                           :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/04/27 11:28:00 by cchauvet          #+#    #+#             */
/*   Updated: 2023/04/27 11:28:01 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <stddef.h>
#include <unistd.h>
#include <stdlib.h>
#include "utils.h"

static size_t	get_size(size_t num)
{
	size_t	nb_digit;
	size_t	rest;

	nb_digit = 0;
	if (num == 0)
		nb_digit++;
	rest = num;
	while (rest != 0)
	{
		nb_digit++;
		rest = rest / 10;
	}
	return (nb_digit);
}

static void	ft_putdigit(size_t num)
{
	if (num > 9)
	{
		ft_putdigit(num / 10);
		ft_putchar(num % 10 + 48);
	}
	else
		ft_putchar(num + 48);
}

void	ft_putnum(size_t num, size_t padding)
{
	size_t	size;
	size_t	i;

	i = 0;
	size = get_size(num);
	while (i < padding - size)
	{
		ft_putchar('0');
		i++;
	}
	ft_putdigit(num);
}