From 5d6a03c9fe562b80ecb6ae2b3fc34798a1235e7d Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Fri, 12 Nov 2010 11:47:31 -0800
Subject: [PATCH] Don't append buckets of zero length

---
 lib/net.js | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/lib/net.js b/lib/net.js
index 12db1f45e58..a25673c3a04 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -249,21 +249,23 @@ Object.defineProperty(Stream.prototype, 'readyState', {
 
 
 Stream.prototype._appendBucket = function (data, encoding, fd) {
-  // TODO reject empty data.
-  var newBucket =  { data: data };
-  if (encoding) newBucket.encoding = encoding;
-  if (fd) newBucket.fd = fd;
+  if (data.length != 0) {
+    // TODO reject empty data.
+    var newBucket =  { data: data };
+    if (encoding) newBucket.encoding = encoding;
+    if (fd) newBucket.fd = fd;
 
-  // TODO properly calculate queueSize
+    // TODO properly calculate queueSize
 
-  if (this._writeWatcher.lastBucket) {
-    this._writeWatcher.lastBucket.next = newBucket;
-  } else {
-    this._writeWatcher.firstBucket = newBucket;
+    if (this._writeWatcher.lastBucket) {
+      this._writeWatcher.lastBucket.next = newBucket;
+    } else {
+      this._writeWatcher.firstBucket = newBucket;
+    }
+
+    this._writeWatcher.lastBucket = newBucket;
   }
 
-  this._writeWatcher.lastBucket = newBucket;
-
   if (this._writeWatcher.queueSize === undefined) {
     this._writeWatcher.queueSize = 0;
   }