From d8be4458729cd23ee684b03dbd14dd83b06edefe Mon Sep 17 00:00:00 2001
From: bsd <bsd@81a1dc3b-b13d-400b-aceb-764788c761c2>
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/avrdude@5 81a1dc3b-b13d-400b-aceb-764788c761c2
---
 avrprog.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/avrprog.c b/avrprog.c
index 5898b946..9cd3cf2a 100644
--- a/avrprog.c
+++ b/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':