1 /* $NetBSD: explicit_memset.c,v 1.4 2014/06/24 16:39:39 drochner Exp $ */ 2 3 /* 4 * Written by Matthias Drochner <drochner@NetBSD.org>. 5 * Public domain. 6 */ 7 8 #if !defined(_KERNEL) && !defined(_STANDALONE) 9 #include "namespace.h" 10 #include <string.h> 11 #ifdef __weak_alias 12 __weak_alias(explicit_memset,_explicit_memset) 13 #endif 14 #define explicit_memset_impl __explicit_memset_impl 15 #else 16 #include <lib/libkern/libkern.h> 17 #endif 18 19 /* 20 * The use of a volatile pointer guarantees that the compiler 21 * will not optimise the call away. 22 */ 23 void *(* volatile explicit_memset_impl)(void *, int, size_t) = memset; 24 25 void * 26 explicit_memset(void *b, int c, size_t len) 27 { 28 29 return (*explicit_memset_impl)(b, c, len); 30 } 31