1272673Sdelphij/* $OpenBSD: explicit_bzero.c,v 1.3 2014/06/21 02:34:26 matthew Exp $ */ 2272673Sdelphij/* 3272673Sdelphij * Public domain. 4272673Sdelphij * Written by Matthew Dempsky. 5272673Sdelphij */ 6272673Sdelphij 7272673Sdelphij#include <sys/cdefs.h> 8272673Sdelphij__FBSDID("$FreeBSD$"); 9272673Sdelphij 10273189Sdelphij#ifdef _KERNEL 11272673Sdelphij#include <sys/libkern.h> 12273189Sdelphij#else 13273189Sdelphij#include <string.h> 14273189Sdelphij#endif /* _KERNEL */ 15272673Sdelphij 16272673Sdelphij__attribute__((weak)) void __explicit_bzero_hook(void *, size_t); 17272673Sdelphij 18272673Sdelphij__attribute__((weak)) void 19272673Sdelphij__explicit_bzero_hook(void *buf, size_t len) 20272673Sdelphij{ 21272673Sdelphij} 22272673Sdelphij 23272673Sdelphijvoid 24272673Sdelphijexplicit_bzero(void *buf, size_t len) 25272673Sdelphij{ 26272673Sdelphij memset(buf, 0, len); 27272673Sdelphij __explicit_bzero_hook(buf, len); 28272673Sdelphij} 29