/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   m_redirs.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
/*                                                                            */
/* ************************************************************************** */

#include <fcntl.h>
#include <unistd.h>
#include <errno.h>

#include "f_fail.h"
#include "s_destroy.h"
#include "s_line.h"
#include "s_struct.h"

void
	dup_redirs(const t_com *ptr,
				t_msh *msh)
{
	int32_t	fd;

	if (ptr->redir == -1)
	{
		if ((fd = open(ptr->rdrpath, O_RDONLY)) == -1)
			f_redir(ptr->rdrpath, msh);
		dup2(fd, STDIN_FILENO);
		close(fd);
	}
	if (ptr->redir == 1)
	{
		if ((fd = open(ptr->rdrpath,
					   O_CREAT | O_TRUNC | O_WRONLY, 0644)) == -1)
			f_redir(ptr->rdrpath, msh);
		dup2(fd, ptr->rdrfd);
		close(fd);
	}
	if (ptr->redir == 2)
	{
		if ((fd = open(ptr->rdrpath,
					   O_CREAT | O_APPEND | O_WRONLY, 0644)) == -1)
			f_redir(ptr->rdrpath, msh);
		dup2(fd, ptr->rdrfd);
		close(fd);
	}
}