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 //config: bool "hostid (247 bytes)"
13 //config: hostid prints the numeric identifier (in hexadecimal) for
14 //config: the current host.
16 //applet:IF_HOSTID(APPLET_NOFORK(hostid, hostid, BB_DIR_USR_BIN, BB_SUID_DROP, hostid))
18 //kbuild:lib-$(CONFIG_HOSTID) += hostid.o
20 /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
22 //usage:#define hostid_trivial_usage
24 //usage:#define hostid_full_usage "\n\n"
25 //usage: "Print out a unique 32-bit identifier for the machine"
29 /* This is a NOFORK applet. Be very careful! */
31 int hostid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
32 int hostid_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
38 /* POSIX says gethostid returns a "32-bit identifier" */
39 printf("%08x\n", (unsigned)(uint32_t)gethostid());