/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_printf_atoi.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jguelen <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/12/01 13:45:04 by jguelen           #+#    #+#             */
/*   Updated: 2024/12/01 17:16:53 by jguelen          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

/*Does not deal with the isspace(3) characters.
* @RETURN a long castable into an int or LONG_MAX if overflow has
* occurred in the positive. 
*/
long	ft_printf_atoi(char *str, char **current)
{
	long	calc;

	calc = 0;
	while (*str && ft_isdigit(*str))
	{
		if ((calc > (INT_MAX / 10))
			|| ((calc == (INT_MAX / 10)) && ((INT_MAX % 10) < (*str - '0'))))
			return (LONG_MAX);
		calc = calc * 10 + (*str - '0');
		str++;
	}
	*current = str;
	return (calc);
}