explicit_bzero.c revision 276605 
1/*	$OpenBSD: explicit_bzero.c,v 1.3 2014/06/21 02:34:26 matthew Exp $ */
2/*
3 * Public domain.
4 * Written by Matthew Dempsky.
5 */
6#include "config.h"
7#include <string.h>
8
9__attribute__((weak)) void
10__explicit_bzero_hook(void *ATTR_UNUSED(buf), size_t ATTR_UNUSED(len))
11{
12}
13
14void
15explicit_bzero(void *buf, size_t len)
16{
17#ifdef UB_ON_WINDOWS
18	SecureZeroMemory(buf, len);
19#endif
20	memset(buf, 0, len);
21	__explicit_bzero_hook(buf, len);
22}
23