From 9b291aa4649f2230d48a12c9089e526ef2182abf Mon Sep 17 00:00:00 2001
From: Luiz Otavio O Souza <luiz@netgate.com>
Date: Tue, 15 Sep 2015 13:41:59 -0500
Subject: MFC r272673:

Add explicit_bzero(3) and its kernel counterpart.

Obtained from:  OpenBSD
MFC after:      2 weeks

TAG:	IPSEC-HEAD
Issue:	#4841
---
 lib/libc/string/explicit_bzero.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 lib/libc/string/explicit_bzero.c

(limited to 'lib/libc/string/explicit_bzero.c')

diff --git a/lib/libc/string/explicit_bzero.c b/lib/libc/string/explicit_bzero.c
new file mode 100644
index 0000000..a7811b0
--- /dev/null
+++ b/lib/libc/string/explicit_bzero.c
@@ -0,0 +1,22 @@
+/*	$OpenBSD: explicit_bzero.c,v 1.3 2014/06/21 02:34:26 matthew Exp $ */
+/*
+ * Public domain.
+ * Written by Matthew Dempsky.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <string.h>
+
+__attribute__((weak)) void
+__explicit_bzero_hook(void *buf, size_t len)
+{
+}
+
+void
+explicit_bzero(void *buf, size_t len)
+{
+	memset(buf, 0, len);
+	__explicit_bzero_hook(buf, len);
+}
-- 
cgit v1.1