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diff --git a/source/kernel/gen_system/GEN_HashedPtr.h b/source/kernel/gen_system/GEN_HashedPtr.h
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+++ b/source/kernel/gen_system/GEN_HashedPtr.h
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+/*
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ *
+ */
+#ifndef __GEN_HASHEDPTR
+#define __GEN_HASHEDPTR
+
+unsigned int GEN_Hash(unsigned int inDWord);
+
+class GEN_HashedPtr
+{
+	void* m_valptr;
+public:
+	GEN_HashedPtr(void* val) : m_valptr(val) {};
+	unsigned int hash() const { return GEN_Hash((unsigned int) m_valptr);};
+	inline friend bool operator ==(const GEN_HashedPtr & rhs, const GEN_HashedPtr & lhs) { return rhs.m_valptr == lhs.m_valptr;};
+};
+
+#endif //__GEN_HASHEDPTR