xref: /dflybsd-src/sys/libkern/explicit_bzero.c (revision 47b738bfc743adb3ebd42d90b1dcfba1c9f04ed8) 
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 
7 #include <sys/libkern.h>
8 
9 __attribute__((weak)) void __explicit_bzero_hook(void *, size_t);
10 
11 __attribute__((weak)) void
__explicit_bzero_hook(void * buf,size_t len)12 __explicit_bzero_hook(void *buf, size_t len)
13 {
14 }
15 
16 void
explicit_bzero(void * buf,size_t len)17 explicit_bzero(void *buf, size_t len)
18 {
19 	memset(buf, 0, len);
20 	__explicit_bzero_hook(buf, len);
21 }
22