From 9869c77856784c365374e960da4abb9920954499 Mon Sep 17 00:00:00 2001
From: Donald Buczek <buczek@molgen.mpg.de>
Date: Fri, 1 Jul 2016 17:08:01 +0200
Subject: [PATCH] enable push to send empty files

---
 clusterd | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/clusterd b/clusterd
index 4c7a88a..5a0d3a7 100755
--- a/clusterd
+++ b/clusterd
@@ -384,6 +384,11 @@ sub push_file {
 	$st->type eq 'F' or die "$filename: not a plain file\n";
 	$st->size<=65536 or die "$filename: to big for broadcast (max 65536 bytes)\n";
 
+	if ($st->size==0) {
+		udp_broadcast_message($donald_s,'filedata',$st,0,'');
+		return;
+	}
+
 	my $fh=new IO::File $filename,'<' or return warn "$filename: $!\n";
 	my $i=0;
 	for (my $pos=0;$pos<$st->size;$pos+=1024) {