phunix/common/lib/libc/string/explicit_memset.c
Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

31 lines
696 B
C

/* $NetBSD: explicit_memset.c,v 1.4 2014/06/24 16:39:39 drochner Exp $ */
/*
* Written by Matthias Drochner <drochner@NetBSD.org>.
* Public domain.
*/
#if !defined(_KERNEL) && !defined(_STANDALONE)
#include "namespace.h"
#include <string.h>
#ifdef __weak_alias
__weak_alias(explicit_memset,_explicit_memset)
#endif
#define explicit_memset_impl __explicit_memset_impl
#else
#include <lib/libkern/libkern.h>
#endif
/*
* The use of a volatile pointer guarantees that the compiler
* will not optimise the call away.
*/
void *(* volatile explicit_memset_impl)(void *, int, size_t) = memset;
void *
explicit_memset(void *b, int c, size_t len)
{
return (*explicit_memset_impl)(b, c, len);
}