From 5365ea4f4ee71f79d2a8b1666f709be0ec398d1f Mon Sep 17 00:00:00 2001
From: Andy2 <andy2@trand.private.network>
Date: Wed, 7 Jul 2010 18:59:48 -0700
Subject: [PATCH] fix crash when empty string given on ctrl port

---
 xwords4/relay/ctrl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xwords4/relay/ctrl.cpp b/xwords4/relay/ctrl.cpp
index dfd8eda4b..76cb50bd3 100644
--- a/xwords4/relay/ctrl.cpp
+++ b/xwords4/relay/ctrl.cpp
@@ -522,7 +522,7 @@ cmd_lock( int socket, const char** args )
 static bool
 cmd_help( int socket, const char** args )
 {
-    if ( 0 == strcmp( "help", args[1] ) ) {
+    if ( NULL != args[1] && 0 == strcmp( "help", args[1] ) ) {
         print_to_sock( socket, true, "* %s  -- prints this", args[0] );
     } else {