From 9e756b17d58b2991a8f4735c14d40a5843fc7db7 Mon Sep 17 00:00:00 2001
From: "John F. Fay" <johnffay@nettally.com>
Date: Sat, 17 Dec 2011 13:10:59 +0000
Subject: [PATCH] Making the check for a current window in "glutPostRedisplay"
 more stringent

git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@955 7f0cb862-5218-0410-a997-914c9d46530a
---
 src/freeglut_display.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/freeglut_display.c b/src/freeglut_display.c
index 601375b..2ba0ec5 100644
--- a/src/freeglut_display.c
+++ b/src/freeglut_display.c
@@ -36,7 +36,12 @@
 void FGAPIENTRY glutPostRedisplay( void )
 {
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostRedisplay" );
-    FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPostRedisplay" );
+    if ( ! fgStructure.CurrentWindow )
+	{
+      fgError ( " ERROR:  Function <%s> called"
+                " with no current window defined.", "glutPostRedisplay" ) ;
+	}
+
     fgStructure.CurrentWindow->State.Redisplay = GL_TRUE;
 }
 
-- 
1.7.10.4