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 | |