explicit_memset.c revision 1.3
1/* $NetBSD: explicit_memset.c,v 1.3 2013/08/28 17:47:07 riastradh Exp $ */ 2 3#if !defined(_KERNEL) && !defined(_STANDALONE) 4#include "namespace.h" 5#include <string.h> 6#ifdef __weak_alias 7__weak_alias(explicit_memset,_explicit_memset) 8#endif 9#define explicit_memset_impl __explicit_memset_impl 10#else 11#include <lib/libkern/libkern.h> 12#endif 13 14/* 15 * The use of a volatile pointer guarantees that the compiler 16 * will not optimise the call away. 17 */ 18void *(* volatile explicit_memset_impl)(void *, int, size_t) = memset; 19 20void * 21explicit_memset(void *b, int c, size_t len) 22{ 23 24 return (*explicit_memset_impl)(b, c, len); 25} 26