ole32: IStream inherits from ISequentialStream so the HGLOBALStream…

ole32: IStream inherits from ISequentialStream so the HGLOBALStream implementation must also support ISequentialStream.

ole32: IStream inherits from ISequentialStream so the HGLOBALStream…
482063bc · Rob Shearman · Alexandre Julliard · 0c51b623 · 482063bc
Commit 482063bc authored Jan 07, 2007 by Rob Shearman Committed by Alexandre Julliard Jan 08, 2007
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Showing with 3 additions and 5 deletions

hglobalstream.c dlls/ole32/hglobalstream.c +3 -5

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--- a/dlls/ole32/hglobalstream.c
+++ b/dlls/ole32/hglobalstream.c
@@ -148,11 +148,9 @@ static HRESULT WINAPI HGLOBALStreamImpl_QueryInterface(
  /*
   * Compare the riid with the interface IDs implemented by this object.
   */
-  if (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0)
-  {
-    *ppvObject = (IStream*)This;
-  }
-  else if (memcmp(&IID_IStream, riid, sizeof(IID_IStream)) == 0)
+  if (IsEqualIID(&IID_IUnknown, riid) ||
+      IsEqualIID(&IID_ISequentialStream, riid) ||
+      IsEqualIID(&IID_IStream, riid))
  {
    *ppvObject = (IStream*)This;
  }