VirtualBox

source: vbox/trunk/include/iprt/alloca.h@ 24025

Last change on this file since 24025 was 23525, checked in by vboxsync, 15 years ago

Runtime/FreeBSD: Don't use R3 headers in the kernel driver

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.9 KB
Line 
1/** @file
2 * IPRT - alloca().
3 */
4
5/*
6 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 *
25 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26 * Clara, CA 95054 USA or visit http://www.sun.com if you need
27 * additional information or have any questions.
28 */
29
30#ifndef __iprt_alloca_h__
31#define __iprt_alloca_h__
32
33/*
34 * If there are more difficult platforms out there, we'll do OS
35 * specific #ifdefs. But for now we'll just include the headers
36 * which normally contains the alloca() prototype.
37 * When we're in kernel territory it starts getting a bit more
38 * interesting of course...
39 */
40#if defined(IN_RING0) \
41 && (defined(RT_OS_DARWIN) || defined(RT_OS_LINUX) || defined(RT_OS_SOLARIS) || defined(RT_OS_FREEBSD))
42/* ASSUMES GNU C */
43# define alloca(cb) __builtin_alloca(cb)
44#else
45# include <stdlib.h>
46# if !defined(RT_OS_DARWIN) && !defined(RT_OS_FREEBSD)
47# include <malloc.h>
48# endif
49# ifdef RT_OS_SOLARIS
50# include <alloca.h>
51# endif
52#endif
53
54#endif
55
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