Merge commit '2acc68d1af798affc64978ed98abf0be6ebda067' as 'contrib/signify'

contrib/signify/explicit_bzero.c

@@ -0,0 +1,20 @@
+/*	$OpenBSD: explicit_bzero.c,v 1.1 2014/01/22 21:06:45 tedu Exp $ */
+/*
+ * Public domain.
+ * Written by Ted Unangst
+ */
+
+#include <string.h>
+#include "util.h"
+
+/*
+ * explicit_bzero - don't let the compiler optimize away bzero
+ */
+
+static void (* volatile signify_bzero)(void *, size_t) = bzero;
+
+void
+explicit_bzero(void *p, size_t n)
+{
+	signify_bzero(p, n);
+}