mirror of
https://git.busybox.net/busybox.git
synced 2024-11-30 17:13:32 +08:00
72089cf6b4
Those two spaces after tab have no effect, and always a nuisance when editing. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* 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();
|
|
}
|