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 #ifdef _KERNEL 9 #include <sys/libkern.h> 10 #else 11 #include <string.h> 12 #endif /* _KERNEL */ 13 14 __attribute__((weak)) void __explicit_bzero_hook(void *, size_t); 15 16 __attribute__((weak)) void 17 __explicit_bzero_hook(void *buf, size_t len) 18 { 19 } 20 21 void 22 explicit_bzero(void *buf, size_t len) 23 { 24 memset(buf, 0, len); 25 __explicit_bzero_hook(buf, len); 26 } 27