From 9df2a35dba2c0cb4ca8c28989b9cf776d8e2fdf8 Mon Sep 17 00:00:00 2001
From: Johannes Huber <johu@gmx.de>
Date: Thu, 22 Apr 2010 20:56:22 +0200
Subject: [PATCH] check empty args for cmds join+query, fixes #831

---
 src/client/clientuserinputhandler.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/client/clientuserinputhandler.cpp b/src/client/clientuserinputhandler.cpp
index 3ecf3c42..704e835e 100644
--- a/src/client/clientuserinputhandler.cpp
+++ b/src/client/clientuserinputhandler.cpp
@@ -65,6 +65,9 @@ void ClientUserInputHandler::handleUserInput(const BufferInfo &bufferInfo, const
       handleExec(clist.at(i).first, args);
     else {
       if(cmd == "JOIN" || cmd == "QUERY") {
+        if(args.section(' ', 0, 0).isEmpty()) {
+          continue;
+        }
         BufferId newBufId = Client::networkModel()->bufferId(bufferInfo.networkId(), args.section(' ', 0, 0));
         if(!newBufId.isValid()) {
           Client::bufferModel()->switchToBufferAfterCreation(bufferInfo.networkId(), args.section(' ', 0, 0));
-- 
2.20.1