/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/11/18 13:09:55 by tmaze             #+#    #+#             */
/*   Updated: 2018/11/27 17:52:17 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

char	**ft_strtabcpy(char **tab)
{
	char	**ret;
	size_t	size_tab;

	size_tab = 0;
	while (tab[size_tab])
		size_tab++;
	if ((ret = (char**)ft_memalloc(sizeof(char*) * size_tab)) == NULL)
		return (NULL);
	size_tab = 0;
	while (tab[size_tab])
	{
		if ((ret[size_tab] = ft_strdup(tab[size_tab])) == NULL)
		{
			ft_del_words_tables(&ret);
			break ;
		}
		size_tab++;
	}
	return (ret);
}

int main(void)
{
	char			*cmd;
	char			**myenv;
	char			**tab_cmd;
	int				ret;
	extern	char	**environ;
	
	if ((myenv = ft_strtabcpy(environ)) == NULL)
	{
		ft_putendl("error alloc");
		return (2);
	}
	while (1)
	{
		ret = 0;
		ft_putstr(FT_COLOR_GREEN);
		ft_putstr("$> ");
		ft_putstr(FT_RESET);
		ret = get_next_line(1, &cmd);
		if (ret == -1)
		{
			ft_memdel((void*)&myenv);
			ft_strdel(&cmd);
			return (2);
		}	
		if (ft_strcmp("exit", cmd) == 0)
		{
			ft_memdel((void*)&myenv);
			ft_strdel(&cmd);
			return (0);
		}
		else if ((tab_cmd = ft_strsplit(cmd, ' ')) == NULL)
		{
			ft_memdel((void*)&myenv);
			ft_strdel(&cmd);
			ft_putendl("error split");
			return (2);
		}
		if ((ret = fork()) == 0)
			exit(exec_cmd(tab_cmd, myenv));
		else
		{
			waitpid(ret, NULL, 0);
			ft_strdel(&cmd);
			ft_del_words_tables(&tab_cmd);
		}
	}
	ft_strdel((void*)&myenv);
	return (0);
}