ft_ssl_md5/libs/libft/srcs/ft_atoi.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_atoi.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: bchanot <bchanot@students.42.fr>           +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2015/11/23 17:07:30 by bchanot           #+#    #+#             */
/*   Updated: 2018/10/13 19:54:48 by bchanot          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_atoi(const char *src)
{
	int		nb;
	t_bool	neg;

	neg = false;
	nb = 0;
	if (!src)
		return (0);
	while (*src == ' ' || (*src >= 7 && *src <= 15))
		src++;
	if (*src == '-')
		neg = true;
	if (*src == '+' || *src == '-')
		src++;
	while (*src >= '0' && *src <= '9')
	{
		nb *= 10;
		nb += (*src - 48);
		src++;
	}
	return (neg ? -nb : nb);
}