From: Tobias Oetiker <tobi@oetiker.ch>
Date: Sun, 4 Oct 2009 11:33:15 +0000 (+0000)
Subject: rrdfetch: Print a usage summary if not enough parameters have been given. -- Sebastia... 
X-Git-Tag: 1.4.0~28
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8ef732d658c1644344fdab91e784262f80751c50;p=thirdparty%2Frrdtool-1.x.git

rrdfetch: Print a usage summary if not enough parameters have been given. -- Sebastian Harl


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1926 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_fetch.c b/src/rrd_fetch.c
index 2c30a980..b60ea158 100644
--- a/src/rrd_fetch.c
+++ b/src/rrd_fetch.c
@@ -163,7 +163,7 @@ int rrd_fetch(
     *step = step_tmp;
 
     if (optind + 1 >= argc) {
-        rrd_set_error("not enough arguments");
+        rrd_set_error("Usage: rrdtool %s <file> <CF> [options]", argv[0]);
         return -1;
     }