root/trunk/include/iprt/alloca.h
| Revision 11403, 1.8 kB (checked in by vboxsync, 3 months ago) | |
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| 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)) |
| 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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