cmd_ping.c revision 1.2.20.2
1 1.2.20.2 jdolecek /* $NetBSD: cmd_ping.c,v 1.2.20.2 2017/12/03 11:38:53 jdolecek Exp $ */ 2 1.2.20.2 jdolecek 3 1.2.20.2 jdolecek /*- 4 1.2.20.2 jdolecek * Copyright (c) 2015 The NetBSD Foundation, Inc. 5 1.2.20.2 jdolecek * All rights reserved. 6 1.2.20.2 jdolecek * 7 1.2.20.2 jdolecek * Redistribution and use in source and binary forms, with or without 8 1.2.20.2 jdolecek * modification, are permitted provided that the following conditions 9 1.2.20.2 jdolecek * are met: 10 1.2.20.2 jdolecek * 1. Redistributions of source code must retain the above copyright 11 1.2.20.2 jdolecek * notice, this list of conditions and the following disclaimer. 12 1.2.20.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.20.2 jdolecek * notice, this list of conditions and the following disclaimer in the 14 1.2.20.2 jdolecek * documentation and/or other materials provided with the distribution. 15 1.2.20.2 jdolecek * 16 1.2.20.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.2.20.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.2.20.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.2.20.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.2.20.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.2.20.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.2.20.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.2.20.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.2.20.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.2.20.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.2.20.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 27 1.2.20.2 jdolecek */ 28 1.2.20.2 jdolecek 29 1.2.20.2 jdolecek #include <sys/cdefs.h> 30 1.2.20.2 jdolecek __RCSID("$NetBSD: cmd_ping.c,v 1.2.20.2 2017/12/03 11:38:53 jdolecek Exp $"); 31 1.2.20.2 jdolecek 32 1.2.20.2 jdolecek #include <err.h> 33 1.2.20.2 jdolecek #include <fcntl.h> 34 1.2.20.2 jdolecek #include <stdio.h> 35 1.2.20.2 jdolecek #include <stdlib.h> 36 1.2.20.2 jdolecek #include <sys/ioctl.h> 37 1.2.20.2 jdolecek #include <unistd.h> 38 1.2.20.2 jdolecek 39 1.2.20.2 jdolecek #include "ping.h" 40 1.2.20.2 jdolecek 41 1.2.20.2 jdolecek #define _PATH_DEV_PING "/dev/ping" 42 1.2.20.2 jdolecek 43 1.2.20.2 jdolecek int main(int argc, char **argv) 44 1.2.20.2 jdolecek { 45 1.2.20.2 jdolecek int devfd; 46 1.2.20.2 jdolecek 47 1.2.20.2 jdolecek setprogname(argv[0]); 48 1.2.20.2 jdolecek 49 1.2.20.2 jdolecek if ((devfd = open(_PATH_DEV_PING, O_RDWR)) == -1) 50 1.2.20.2 jdolecek err(EXIT_FAILURE, "Cannot open %s", _PATH_DEV_PING); 51 1.2.20.2 jdolecek 52 1.2.20.2 jdolecek if (ioctl(devfd, CMD_PING) == -1) 53 1.2.20.2 jdolecek err(EXIT_FAILURE, "ping failed"); 54 1.2.20.2 jdolecek 55 1.2.20.2 jdolecek printf("%s: ping sent successfully\n", getprogname()); 56 1.2.20.2 jdolecek 57 1.2.20.2 jdolecek if (close(devfd) == -1) 58 1.2.20.2 jdolecek err(EXIT_FAILURE, "Cannot close %s", _PATH_DEV_PING); 59 1.2.20.2 jdolecek 60 1.2.20.2 jdolecek return EXIT_SUCCESS; 61 1.2.20.2 jdolecek } 62
Indexes created Mon Sep 29 21:09:56 GMT 2025