From 3cb00710252ac004569eeeb73adace5024e9a2cc Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sat, 21 Jan 2017 13:45:16 -0800
Subject: [PATCH] supporting reading file of size zero

---
 weed/server/volume_server_handlers_read.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/weed/server/volume_server_handlers_read.go b/weed/server/volume_server_handlers_read.go
index 2a273c595..b111fb1af 100644
--- a/weed/server/volume_server_handlers_read.go
+++ b/weed/server/volume_server_handlers_read.go
@@ -67,7 +67,7 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 	cookie := n.Cookie
 	count, e := vs.store.ReadVolumeNeedle(volumeId, n)
 	glog.V(4).Infoln("read bytes", count, "error", e)
-	if e != nil || count <= 0 {
+	if e != nil || count < 0 {
 		glog.V(0).Infoln("read error:", e, r.URL.Path)
 		w.WriteHeader(http.StatusNotFound)
 		return