X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Farping.c;h=dbfd75ef52da712393cca1c81c13d8cb31a84560;hb=16aa7a73c40ba5dfaabaedb8a5533619cb8b6cb6;hp=6f6b59cfba73be911be31bd9b4459ed1464d61a5;hpb=11872cab325f99b3719bc0416401a656556d6230;p=oweals%2Fbusybox.git

diff --git a/networking/arping.c b/networking/arping.c
index 6f6b59cfb..dbfd75ef5 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -6,6 +6,22 @@
  * Busybox port: Nick Fedchik <nick@fedchik.org.ua>
  */
 
+//usage:#define arping_trivial_usage
+//usage:       "[-fqbDUA] [-c CNT] [-w TIMEOUT] [-I IFACE] [-s SRC_IP] DST_IP"
+//usage:#define arping_full_usage "\n\n"
+//usage:       "Send ARP requests/replies\n"
+//usage:     "\n	-f		Quit on first ARP reply"
+//usage:     "\n	-q		Quiet"
+//usage:     "\n	-b		Keep broadcasting, don't go unicast"
+//usage:     "\n	-D		Duplicated address detection mode"
+//usage:     "\n	-U		Unsolicited ARP mode, update your neighbors"
+//usage:     "\n	-A		ARP answer mode, update your neighbors"
+//usage:     "\n	-c N		Stop after sending N ARP requests"
+//usage:     "\n	-w TIMEOUT	Time to wait for ARP reply, seconds"
+//usage:     "\n	-I IFACE	Interface to use (default eth0)"
+//usage:     "\n	-s SRC_IP	Sender IP address"
+//usage:     "\n	DST_IP		Target IP address"
+
 #include <arpa/inet.h>
 #include <net/if.h>
 #include <netinet/ether.h>
@@ -268,7 +284,6 @@ int arping_main(int argc UNUSED_PARAM, char **argv)
 	// Need to remove SUID_NEVER from applets.h for this to work
 	//xsetuid(getuid());
 
-	err_str = xasprintf("interface %s %%s", device);
 	{
 		unsigned opt;
 		char *str_timeout;
@@ -286,7 +301,7 @@ int arping_main(int argc UNUSED_PARAM, char **argv)
 	}
 
 	target = argv[optind];
-
+	err_str = xasprintf("interface %s %%s", device);
 	xfunc_error_retval = 2;
 
 	{