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2005-03-31 Mike Kestner <mkestner@novell.com>

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* glib/ManagedValue.cs : add null/NULL guarding to Copy, Free, 
	WrapObject, and ObjectForWrapper.  [Fixes #74197]

svn path=/trunk/gtk-sharp/; revision=42434
This commit is contained in:
Mike Kestner 2005-03-31 16:31:31 +00:00
parent fb6aeb35da
commit e3a26238b6
3 changed files with 14 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2005-03-31 Mike Kestner <mkestner@novell.com>
* glib/ManagedValue.cs : add null/NULL guarding to Copy, Free,
WrapObject, and ObjectForWrapper. [Fixes #74197]
2005-03-30 Jeroen Zwartepoorte <jeroen@xs4all.nl> 2005-03-30 Jeroen Zwartepoorte <jeroen@xs4all.nl>
* parser/gapi2xml.pl : parse gst type macros. * parser/gapi2xml.pl : parse gst type macros.

8
glib/ManagedValue.cs
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@ -56,23 +56,31 @@ namespace GLib {
static IntPtr Copy (IntPtr ptr) static IntPtr Copy (IntPtr ptr)
{ {
if (ptr == IntPtr.Zero)
return ptr;
GCHandle gch = (GCHandle) ptr; GCHandle gch = (GCHandle) ptr;
return (IntPtr) GCHandle.Alloc (gch.Target); return (IntPtr) GCHandle.Alloc (gch.Target);
} }
static void Free (IntPtr ptr) static void Free (IntPtr ptr)
{ {
if (ptr == IntPtr.Zero)
return;
GCHandle gch = (GCHandle) ptr; GCHandle gch = (GCHandle) ptr;
gch.Free (); gch.Free ();
} }
public static IntPtr WrapObject (object obj) public static IntPtr WrapObject (object obj)
{ {
if (obj == null)
return IntPtr.Zero;
return (IntPtr) GCHandle.Alloc (obj); return (IntPtr) GCHandle.Alloc (obj);
} }
public static object ObjectForWrapper (IntPtr ptr) public static object ObjectForWrapper (IntPtr ptr)
{ {
if (ptr == IntPtr.Zero)
return null;
return ((GCHandle)ptr).Target; return ((GCHandle)ptr).Target;
} }
} }

2
sample/ManagedTreeViewDemo.cs
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@ -24,7 +24,7 @@ namespace GtkSamples {
private static void PopulateStore () private static void PopulateStore ()
{ {
store = new ListStore (typeof (Pair)); store = new ListStore (typeof (Pair));
string[] combs = {"foo", "bar", "baz", "quux"}; string[] combs = {null, "foo", "bar", "baz"};
foreach (string a in combs) { foreach (string a in combs) {
foreach (string b in combs) { foreach (string b in combs) {
store.AppendValues (new Pair (a, b)); store.AppendValues (new Pair (a, b));