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/libkern.h>
   8
   9 __attribute__((weak)) void __explicit_bzero_hook(void *, size_t);
  10
  11 __attribute__((weak)) void
  12 __explicit_bzero_hook(void *buf, size_t len)
  13 {
  14 }
  15
  16 void
  17 explicit_bzero(void *buf, size_t len)
  18 {
  19         memset(buf, 0, len);
  20         __explicit_bzero_hook(buf, len);
  21 }