poolio.c revision 1.1.1.1 
1/*	$NetBSD: poolio.c,v 1.1.1.1 2012/03/23 21:20:09 christos Exp $	*/
2
3/*
4 * Copyright (C) 2009 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * Id: poolio.c,v 1.1.2.1 2012/01/26 05:44:26 darren_r Exp
9 */
10
11#include <fcntl.h>
12#include <sys/ioctl.h>
13#include "ipf.h"
14#include "netinet/ip_lookup.h"
15#include "netinet/ip_pool.h"
16
17static int poolfd = -1;
18
19
20int
21pool_open()
22{
23
24	if ((opts & OPT_DONTOPEN) != 0)
25		return 0;
26
27	if (poolfd == -1)
28		poolfd = open(IPLOOKUP_NAME, O_RDWR);
29	return poolfd;
30}
31
32int
33pool_ioctl(iocfunc, cmd, ptr)
34	ioctlfunc_t iocfunc;
35	ioctlcmd_t cmd;
36	void *ptr;
37{
38	return (*iocfunc)(poolfd, cmd, ptr);
39}
40
41
42void
43pool_close()
44{
45	if (poolfd != -1) {
46		close(poolfd);
47		poolfd = -1;
48	}
49}
50