/* 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 (247 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(); }