ft_atoll.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoll.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: zhabri <zhabri@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/08/22 10:25:53 by zhabri            #+#    #+#             */
/*   Updated: 2023/01/02 13:49:09 by zhabri           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

long long	ft_atoll(const char *nptr)
{
	int			i;
	long long	nb;
	int			neg;

	i = 0;
	nb = 0;
	neg = 1;
	if (nptr[i] == '-' || nptr[i] == '+')
	{
		if (nptr[i] == '-')
			neg = -1;
		i++;
	}
	while (ft_isdigit(nptr[i]))
	{
		nb *= 10;
		nb += nptr[i] - '0';
		i++;
	}
	return (nb * neg);
}