From ef459ab99b18d26f502d423a31cd744f5bed6a88 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Sun, 7 Jun 2009 17:33:19 +0000
Subject: Fix setup tool display configuration dialog when fullscreen is not
 supported.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 1572
---
 setup/display.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/setup/display.c b/setup/display.c
index befec91f..38f301a1 100644
--- a/setup/display.c
+++ b/setup/display.c
@@ -187,7 +187,14 @@ static void BuildFullscreenModesList(void)
 
     modes = SDL_ListModes(NULL, SDL_FULLSCREEN);
 
-    for (num_modes=0; modes[num_modes] != NULL; ++num_modes);
+    if (modes == NULL || modes == (SDL_Rect **) -1)
+    {
+        num_modes = 0;
+    }
+    else
+    {
+        for (num_modes=0; modes[num_modes] != NULL; ++num_modes);
+    }
 
     // Build the screen_modes_fullscreen array
 
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