freebsd-dev/contrib/ipfilter/lib/kvatoname.c
Cy Schubert bfc88dcbf7 Update ipfilter 4.1.28 --> 5.1.2.
Approved by:		glebius (mentor)
BSD Licensed by:	Darren Reed <darrenr@reed.wattle.id.au> (author)
2013-09-06 23:11:19 +00:00

40 lines
672 B
C

/* $FreeBSD$ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id$
*/
#include "ipf.h"
#include <fcntl.h>
#include <sys/ioctl.h>
char *kvatoname(func, iocfunc)
ipfunc_t func;
ioctlfunc_t iocfunc;
{
static char funcname[40];
ipfunc_resolve_t res;
int fd;
res.ipfu_addr = func;
res.ipfu_name[0] = '\0';
fd = -1;
if ((opts & OPT_DONTOPEN) == 0) {
fd = open(IPL_NAME, O_RDONLY);
if (fd == -1)
return NULL;
}
(void) (*iocfunc)(fd, SIOCFUNCL, &res);
if (fd >= 0)
close(fd);
strncpy(funcname, res.ipfu_name, sizeof(funcname));
funcname[sizeof(funcname) - 1] = '\0';
return funcname;
}