ole32: Reread the stream entry after setting the size in StreamWriteAt.

In simple mode, StreamWriteAt would assume that StreamSetSize uses the size it asks for, but in some cases the size would be pushed above the small block limit. StreamWriteAt would then attempt to write using a small block chain, even though a big block chain was created.

ole32: Reread the stream entry after setting the size in StreamWriteAt.
b3511ebb · Vincent Povirk · Alexandre Julliard · fc50ff07 · b3511ebb
Commit b3511ebb authored Dec 19, 2009 by Vincent Povirk Committed by Alexandre Julliard Dec 21, 2009
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storage32.c dlls/ole32/storage32.c +2 -1

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--- a/dlls/ole32/storage32.c
+++ b/dlls/ole32/storage32.c
@@ -2475,7 +2475,8 @@ static HRESULT StorageImpl_StreamWriteAt(StorageBaseImpl *base, DirRef index,
    if (FAILED(hr))
      return hr;

-    data.size = newSize;
+    hr = StorageImpl_ReadDirEntry(This, index, &data);
+    if (FAILED(hr)) return hr;
  }

  if (data.size.QuadPart < LIMIT_TO_USE_SMALL_BLOCK)