/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_is_posix_name.c                                 :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/10/08 09:25:35 by lperrey           #+#    #+#             */
/*   Updated: 2021/12/18 13:31:11 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	ft_is_posix_name(char *str)
{
	unsigned int	i;

	if (!str)
		return (0);
	if (str[0] != '_' && !ft_isalpha(str[0]))
		return (0);
	i = 1;
	while (str[i])
	{
		if (str[i] != '_' && !ft_isalnum(str[i]))
			return (0);
		i++;
	}
	return (i);
}