/* $NetBSD: ioctl.c,v 1.2 2008/04/28 20:23:06 martin Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Luke Mewburn. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/param.h> #include <sys/event.h> #include <sys/ioctl.h> #include <err.h> #include <errno.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> int main(int argc, char **argv) { struct kfilter_mapping km; int kq; long filter; char *ep, buf[100]; if (argc != 2) errx(1, "Usage: %s filter", argv[0]); kq = kqueue(); if (kq < 0) err(1, "kqueue"); filter = strtol(argv[1], &ep, 10); if (ep[0] == '\0') { /* do number -> name */ km.name = buf; km.len = sizeof(buf) - 1; km.filter = filter; if (ioctl(kq, KFILTER_BYFILTER, &km) == -1) err(1, "KFILTER_BYFILTER `%d'", km.filter); printf("Map %d -> %s\n", km.filter, km.name); } else { /* do name -> number */ km.name = argv[1]; if (ioctl(kq, KFILTER_BYNAME, &km) == -1) err(1, "KFILTER_BYNAME `%s'", km.name); printf("Map %s -> %d\n", km.name, km.filter); } return (0); }