123456789101112131415161718192021222324252627282930313233343536373839404142 |
- /* vi: set sw=4 ts=4: */
- /*
- * Mini hostid implementation for busybox
- *
- * Copyright (C) 2000 Edward Betts <edward@debian.org>.
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
- //config:config HOSTID
- //config: bool "hostid (566 bytes)"
- //config: default y
- //config: help
- //config: hostid prints the numeric identifier (in hexadecimal) for
- //config: the current host.
- //applet:IF_HOSTID(APPLET_NOFORK(hostid, hostid, BB_DIR_USR_BIN, BB_SUID_DROP, hostid))
- //kbuild:lib-$(CONFIG_HOSTID) += hostid.o
- /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
- //usage:#define hostid_trivial_usage
- //usage: ""
- //usage:#define hostid_full_usage "\n\n"
- //usage: "Print out a unique 32-bit identifier for the machine"
- #include "libbb.h"
- /* This is a NOFORK applet. Be very careful! */
- int hostid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
- int hostid_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
- {
- if (argv[1]) {
- bb_show_usage();
- }
- /* POSIX says gethostid returns a "32-bit identifier" */
- printf("%08x\n", (unsigned)(uint32_t)gethostid());
- return fflush_all();
- }
|