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diff --git a/src/charon/lib/utils/leak_detective.h b/src/charon/lib/utils/leak_detective.h
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+++ b/src/charon/lib/utils/leak_detective.h
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+/**
+ * @file leak_detective.h
+ * 
+ * @brief malloc/free hooks to detect leaks.
+ */
+
+/*
+ * Copyright (C) 2006 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#ifndef LEAK_DETECTIVE_H_
+#define LEAK_DETECTIVE_H_
+
+
+#ifdef LEAK_DETECTIVE
+
+/**
+ * Max number of stack frames to include in a backtrace.
+ */
+#define STACK_FRAMES_COUNT 30
+
+/**
+ * Initialize leak detective, activates it
+ */
+void leak_detective_init();
+
+/**
+ * Cleanup leak detective, deactivates it
+ */
+void leak_detective_cleanup();
+
+#else /* !LEAK_DETECTIVE */
+
+#define leak_detective_init() {}
+#define leak_detective_cleanup() {}
+
+#endif /* LEAK_DETECTIVE */
+
+#endif /* LEAK_DETECTIVE_H_ */