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sysctl(9): Fix a few mandoc related issues
[FreeBSD/FreeBSD.git] / sys / libkern / explicit_bzero.c
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/cdefs.h>
8 __FBSDID("$FreeBSD$");
9
10 #ifdef _KERNEL
11 #include <sys/libkern.h>
12 #else
13 #include <string.h>
14 #endif /* _KERNEL */
15
16 __attribute__((weak)) void __explicit_bzero_hook(void *, size_t);
17
18 __attribute__((weak)) void
19 __explicit_bzero_hook(void *buf, size_t len)
20 {
21 }
22
23 void
24 explicit_bzero(void *buf, size_t len)
25 {
26         memset(buf, 0, len);
27         __explicit_bzero_hook(buf, len);
28 }