From: Phil Sutter <phil@nwl.cc>
Date: Thu, 16 Aug 2018 10:28:01 +0000 (+0200)
Subject: rtmon: List options in help text
X-Git-Tag: v4.19.0~72
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6417c06b59b0731bcff4c0999661b256be6f52cb;p=thirdparty%2Fiproute2.git

rtmon: List options in help text

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/ip/rtmon.c b/ip/rtmon.c
index acc11df49..0e795f740 100644
--- a/ip/rtmon.c
+++ b/ip/rtmon.c
@@ -63,7 +63,9 @@ static int dump_msg2(const struct sockaddr_nl *who,
 
 static void usage(void)
 {
-	fprintf(stderr, "Usage: rtmon file FILE [ all | LISTofOBJECTS]\n");
+	fprintf(stderr, "Usage: rtmon [ OPTIONS ] file FILE [ all | LISTofOBJECTS ]\n");
+	fprintf(stderr, "OPTIONS := { -f[amily] { inet | inet6 | link | help } |\n"
+			"             -4 | -6 | -0 | -V[ersion] }\n");
 	fprintf(stderr, "LISTofOBJECTS := [ link ] [ address ] [ route ]\n");
 	exit(-1);
 }