minix/common/lib/libc/string/explicit_bzero.c
Lionel Sambuc f14fb60209 Libraries updates and cleanup
* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
2013-01-14 11:36:26 +01:00

22 lines
540 B
C

/* $NetBSD: explicit_bzero.c,v 1.1 2012/08/30 12:16:49 drochner Exp $ */
#if !defined(_KERNEL) && !defined(_STANDALONE)
#include <string.h>
#define explicit_bzero __explicit_bzero
#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_bzero(void *b, size_t len)
{
(*explicit_memset_impl)(b, 0, len);
}