gzip: speed up send_bits()

[oweals/busybox.git] / coreutils / hostid.c

diff --git a/coreutils/hostid.c b/coreutils/hostid.c
index 635e48e1240bfbb4a65c26ffed44416ac388b367..d21e6d6aca70e88c6de3fd3303bb456411b5f052 100644 (file)
--- a/coreutils/hostid.c
+++ b/coreutils/hostid.c
@@ -6,9 +6,24 @@
  *
  * 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! */
@@ -20,7 +35,8 @@ int hostid_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
                bb_show_usage();
        }
 
-       printf("%lx\n", gethostid());
+       /* POSIX says gethostid returns a "32-bit identifier" */
+       printf("%08x\n", (unsigned)(uint32_t)gethostid());
 
        return fflush_all();
 }