blob: 49409b9ded1b405fe3a6ae9fa42ca26ed29d34b8 [file] [log] [blame]
Erik Andersene49d5ec2000-02-08 19:58:47 +00001/* vi: set sw=4 ts=4: */
Erik Andersen31638212000-01-15 22:28:50 +00002/*
3 * Mini hostid implementation for busybox
4 *
5 * Copyright (C) 2000 Edward Betts <edward@debian.org>.
6 *
Denys Vlasenko0ef64bd2010-08-16 20:14:46 +02007 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
Erik Andersen31638212000-01-15 22:28:50 +00008 */
9
Manuel Novoa III cad53642003-03-19 09:13:01 +000010/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
11
Pere Orga34425382011-03-31 14:43:25 +020012//usage:#define hostid_trivial_usage
13//usage: ""
14//usage:#define hostid_full_usage "\n\n"
15//usage: "Print out a unique 32-bit identifier for the machine"
16
Denis Vlasenkob6adbf12007-05-26 19:00:18 +000017#include "libbb.h"
Erik Andersen31638212000-01-15 22:28:50 +000018
Denis Vlasenko99912ca2007-04-10 15:43:37 +000019/* This is a NOFORK applet. Be very careful! */
20
Denis Vlasenko9b49a5e2007-10-11 10:05:36 +000021int hostid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
Denys Vlasenko2ec91ae2010-01-04 14:15:38 +010022int hostid_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
Erik Andersene49d5ec2000-02-08 19:58:47 +000023{
Denys Vlasenko2ec91ae2010-01-04 14:15:38 +010024 if (argv[1]) {
Manuel Novoa III cad53642003-03-19 09:13:01 +000025 bb_show_usage();
26 }
27
Denis Vlasenkof0ed3762006-10-26 23:21:47 +000028 printf("%lx\n", gethostid());
Manuel Novoa III cad53642003-03-19 09:13:01 +000029
Denys Vlasenko8131eea2009-11-02 14:19:51 +010030 return fflush_all();
Erik Andersen31638212000-01-15 22:28:50 +000031}