42_push_swap/ft_bitlen.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_bitlen.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/12/06 13:25:38 by cchauvet          #+#    #+#             */
/*   Updated: 2022/12/06 13:28:14 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "pushswap.h"

unsigned int	ft_bitlen(unsigned int nb)
{
	unsigned int	i;
	unsigned int	y;

	i = 0;
	y = 0;
	while (i < sizeof(unsigned int) * 8)
	{
		if (nb >> i & 1)
			y = i;
		i++;
	}
	return (y);
}