From 36eb156d7dc9ce5aa23e7c2e890c550b2896e311 Mon Sep 17 00:00:00 2001
From: hendricks266 <hendricks266@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sat, 23 Sep 2017 03:17:32 +0000
Subject: [PATCH] macOS: Fix crash in startup window when no game data is
 found.

git-svn-id: https://svn.eduke32.com/eduke32@6448 1a8010ca-5511-0410-912e-c29ae57300e0
---
 source/duke3d/src/startosx.game.mm | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/source/duke3d/src/startosx.game.mm b/source/duke3d/src/startosx.game.mm
index c785f6f99..45f267032 100644
--- a/source/duke3d/src/startosx.game.mm
+++ b/source/duke3d/src/startosx.game.mm
@@ -527,14 +527,18 @@ static struct {
     [[gameList documentView] setDataSource:gamelistsrc];
     [[gameList documentView] deselectAll:nil];
 
-    int row = [gamelistsrc findIndexForGrpname:[NSString stringWithUTF8String:settings.grp->filename]];
-    if (row >= 0) {
-        [[gameList documentView] scrollRowToVisible:row];
+    if (settings.grp)
+    {
+        int row = [gamelistsrc findIndexForGrpname:[NSString stringWithUTF8String:settings.grp->filename]];
+        if (row >= 0)
+        {
+            [[gameList documentView] scrollRowToVisible:row];
 #if defined MAC_OS_X_VERSION_10_3 && MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_3
-        [[gameList documentView] selectRowIndexes:[NSIndexSet indexSetWithIndex:row] byExtendingSelection:NO];
+            [[gameList documentView] selectRowIndexes:[NSIndexSet indexSetWithIndex:row] byExtendingSelection:NO];
 #else
-        [[gameList documentView] selectRow:row byExtendingSelection:NO];
+            [[gameList documentView] selectRow:row byExtendingSelection:NO];
 #endif
+        }
     }
 
     [cancelButton setEnabled:true];