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 #include <string.h> 11 12 __attribute__((weak)) void __explicit_bzero_hook(void *, size_t); 13 14 __attribute__((weak)) void 15 __explicit_bzero_hook(void *buf, size_t len) 16 { 17 } 18 19 void 20 explicit_bzero(void *buf, size_t len) 21 { 22 memset(buf, 0, len); 23 __explicit_bzero_hook(buf, len); 24 } 25