NetBSD/dist/ipf/lib/kvatoname.c

32 lines
606 B
C

/* $NetBSD: kvatoname.c,v 1.1.1.1 2004/03/28 08:56:19 martti Exp $ */
#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_DONOTHING) == 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;
}