From 8062a027e7c62cfe289ce1a33006f97a8e8c8e6d Mon Sep 17 00:00:00 2001
From: Andy2 <andy2@trand>
Date: Mon, 17 Oct 2011 06:48:13 -0700
Subject: [PATCH] cleanup: NULL's a legal value now.

---
 xwords4/common/server.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/xwords4/common/server.c b/xwords4/common/server.c
index 14409bdae..592056172 100644
--- a/xwords4/common/server.c
+++ b/xwords4/common/server.c
@@ -2375,11 +2375,11 @@ sendUndoToClientsExcept( ServerCtxt* server, XP_U16 skip,
     }
 } /* sendUndoToClientsExcept */
 
+/* This is unused on Android where I've disabled undo in networked games. */
 static XP_Bool
 reflectUndos( ServerCtxt* server, XWStreamCtxt* stream, XW_Proto code )
 {
     XP_U16 nUndone, lastUndone;
-    XP_S16 moveNum;
     XP_U16 turn;
     ModelCtxt* model = server->vol.model;
     XP_Bool success = XP_TRUE;
@@ -2387,13 +2387,9 @@ reflectUndos( ServerCtxt* server, XWStreamCtxt* stream, XW_Proto code )
     nUndone = stream_getU16( stream );
     lastUndone = stream_getU16( stream );
 
-    moveNum = lastUndone + nUndone - 1;
-
-    success = model_undoLatestMoves(model, server->pool, nUndone, &turn, 
-                                    &moveNum);
-
+    success = model_undoLatestMoves( model, server->pool, nUndone, &turn, 
+                                     NULL );
     if ( success ) {
-        XP_ASSERT( moveNum == lastUndone );
 
         if ( code == XWPROTO_UNDO_INFO_CLIENT ) { /* need to inform */
             XP_U16 sourceClientIndex =