/* $NetBSD: cmd_ping.c,v 1.2 2015/05/13 12:13:38 joerg Exp $ */ /*- * Copyright (c) 2015 The NetBSD Foundation, Inc. * All rights reserved. * * 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/cdefs.h> __RCSID("$NetBSD: cmd_ping.c,v 1.2 2015/05/13 12:13:38 joerg Exp $"); #include <err.h> #include <fcntl.h> #include <stdio.h> #include <stdlib.h> #include <sys/ioctl.h> #include <unistd.h> #include "ping.h" #define _PATH_DEV_PING "/dev/ping" int main(int argc, char **argv) { int devfd; setprogname(argv[0]); if ((devfd = open(_PATH_DEV_PING, O_RDWR)) == -1) err(EXIT_FAILURE, "Cannot open %s", _PATH_DEV_PING); if (ioctl(devfd, CMD_PING) == -1) err(EXIT_FAILURE, "ping failed"); printf("%s: ping sent successfully\n", getprogname()); if (close(devfd) == -1) err(EXIT_FAILURE, "Cannot close %s", _PATH_DEV_PING); return EXIT_SUCCESS; } |