From 2e367f54228eb06bdcbfbf4ff6758cd37c7aec86 Mon Sep 17 00:00:00 2001
From: Matt Ranney <mjr@ranney.com>
Date: Fri, 17 Sep 2010 17:32:14 -0700
Subject: [PATCH] Send 0 length buffers properly.

Still need to handle 0 length bulk data properly though.  Whoops.
---
 index.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 799274d3e9..6a6159c9a5 100644
--- a/index.js
+++ b/index.js
@@ -512,9 +512,14 @@ RedisClient.prototype.send_command = function () {
             }
             
             if (arg instanceof Buffer) {
-                stream.write("$" + arg.length + "\r\n");
-                stream.write(arg);
-                stream.write("\r\n");
+                if (arg.length === 0) {
+                    console.log("Using empty string for 0 length buffer");
+                    stream.write("$0\r\n\r\n");
+                } else {
+                    stream.write("$" + arg.length + "\r\n");
+                    stream.write(arg);
+                    stream.write("\r\n");
+                }
             } else {
                 stream.write("$" + arg.length + "\r\n" + arg + "\r\n");
             }
@@ -524,6 +529,7 @@ RedisClient.prototype.send_command = function () {
 
 RedisClient.prototype.end = function () {
     this.stream._events = {};
+    this.connected = false;
     return this.stream.end();
 };