gdi: Protect GetEnhMetaFilePaletteEntries against bad handles.

8122173a · Mike Hearn · Alexandre Julliard · 679df54b · 8122173a
Commit 8122173a authored Apr 07, 2006 by Mike Hearn Committed by Alexandre Julliard Apr 07, 2006
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enhmetafile.c dlls/gdi/enhmetafile.c +2 -0

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--- a/dlls/gdi/enhmetafile.c
+++ b/dlls/gdi/enhmetafile.c
@@ -2571,6 +2571,8 @@ UINT WINAPI GetEnhMetaFilePaletteEntries( HENHMETAFILE hEmf,

  TRACE( "(%p,%d,%p)\n", hEmf, cEntries, lpPe );

+  if (!enhHeader) return 0;
+
  /* First check if there are any palettes associated with
     this metafile. */
  if ( enhHeader->nPalEntries == 0 ) return 0;