From 58a7b100476b261fdeb22f91d2b043f8eee57f28 Mon Sep 17 00:00:00 2001
From: ericwa <ericwa@72102866-910b-0410-8b05-ffd578937521>
Date: Tue, 15 Oct 2013 04:21:45 +0000
Subject: [PATCH] * Source/GSThemeDrawing.m (-tabHeightForType:): Check for nil
 before calling -size on an NSImage, for systems where this corrupts the
 stack.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@37231 72102866-910b-0410-8b05-ffd578937521
---
 ChangeLog               | 6 ++++++
 Source/GSThemeDrawing.m | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index ca4188c73..ce5bb8e1f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-10-14  Eric Wasylishen  <ewasylishen@gmail.com>
+
+	* Source/GSThemeDrawing.m (-tabHeightForType:): Check for nil
+	before calling -size on an NSImage, for systems where this
+	corrupts the stack.
+
 2013-10-14  Eric Wasylishen  <ewasylishen@gmail.com>
 
 	* Source/GSThemeDrawing.m: Change stepper drawing methods to use
diff --git a/Source/GSThemeDrawing.m b/Source/GSThemeDrawing.m
index aa6040cd4..91d5a61e5 100644
--- a/Source/GSThemeDrawing.m
+++ b/Source/GSThemeDrawing.m
@@ -2004,6 +2004,10 @@ typedef enum {
 - (CGFloat) tabHeightForType: (NSTabViewType)type
 {
   NSImage *img = [self imageForTabPart: GSTabUnSelectedLeft type: type];
+  if (img == nil)
+    {
+      return 0;
+    }
   return [img size].height;
 }