From a46085d0550d4a8c36699c9a52f4c40640b5659f Mon Sep 17 00:00:00 2001
From: "Brian S. Dean" <bsd@bsdhome.com>
Date: Sat, 5 Aug 2000 05:14:17 +0000
Subject: [PATCH] Pring usage when no arguments are supplied.

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@5 81a1dc3b-b13d-400b-aceb-764788c761c2
---
 avrdude/avrprog.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/avrdude/avrprog.c b/avrdude/avrprog.c
index 5898b946..9cd3cf2a 100644
--- a/avrdude/avrprog.c
+++ b/avrdude/avrprog.c
@@ -525,6 +525,11 @@ int main ( int argc, char * argv [] )
   else
     progname = argv[0];
 
+  if (argc == 1) {
+    usage();
+    return 0;
+  }
+
   while ((ch = getopt(argc,argv,"?efo:ru:")) != -1) {
     switch (ch) {
       case 'e':