1 /* vi: set sw=4 ts=4: */
3 * Mini hostid implementation for busybox
5 * Copyright (C) 2000 Edward Betts <edward@debian.org>.
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
12 //config:config HOSTID
13 //config: bool "hostid"
16 //config: hostid prints the numeric identifier (in hexadecimal) for
17 //config: the current host.
19 //applet:IF_HOSTID(APPLET_NOFORK(hostid, hostid, BB_DIR_USR_BIN, BB_SUID_DROP, hostid))
21 //kbuild:lib-$(CONFIG_HOSTID) += hostid.o
23 //usage:#define hostid_trivial_usage
25 //usage:#define hostid_full_usage "\n\n"
26 //usage: "Print out a unique 32-bit identifier for the machine"
30 /* This is a NOFORK applet. Be very careful! */
32 int hostid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
33 int hostid_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
39 /* POSIX says gethostid returns a "32-bit identifier" */
40 printf("%08x\n", (unsigned)(uint32_t)gethostid());