1 files changed, 19 insertions, 0 deletions
diff --git a/src/lib/intmath/addsub.h b/src/lib/intmath/addsub.h
new file mode 100644
index 0000000000..5bbc32e4a9
--- /dev/null
+++ b/src/lib/intmath/addsub.h
@@ -0,0 +1,19 @@
+/* Copyright (c) 2003-2004, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file addsub.h
+ *
+ * \brief Header for addsub.c
+ **/
+
+#ifndef TOR_INTMATH_ADDSUB_H
+#define TOR_INTMATH_ADDSUB_H
+
+#include "lib/cc/torint.h"
+
+uint32_t tor_add_u32_nowrap(uint32_t a, uint32_t b);
+
+#endif /* !defined(TOR_INTMATH_MULDIV_H) */