| 1 | /** @file
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| 2 | * innotek Portable Runtime - alloca().
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2007 innotek GmbH
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License as published by the Free Software Foundation,
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| 12 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 13 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 14 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * If you received this file as part of a commercial VirtualBox
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| 17 | * distribution, then only the terms of your commercial VirtualBox
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| 18 | * license agreement apply instead of the previous paragraph.
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| 19 | */
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| 20 |
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| 21 | #ifndef __iprt_alloca_h__
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| 22 | #define __iprt_alloca_h__
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| 23 |
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| 24 |
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| 25 | /*
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| 26 | * If there are more difficult platforms out there, we'll do OS
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| 27 | * specific #ifdefs. But for now we'll just include the headers
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| 28 | * which normally contains the alloca() prototype.
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| 29 | * When we're in kernel territory it starts getting a bit more
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| 30 | * interesting of course...
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| 31 | */
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| 32 | #if defined(IN_RING0) && defined(__LINUX__)
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| 33 | /* ASSUMES GNU C */
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| 34 | # define alloca(cb) __builtin_alloca(cb)
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| 35 | #else
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| 36 | # include <stdlib.h>
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| 37 | # if !defined(__DARWIN__) && !defined(__FREEBSD__)
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| 38 | # include <malloc.h>
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| 39 | # endif
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| 40 | # ifdef __SOLARIS__
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| 41 | # include <alloca.h>
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| 42 | # endif
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| 43 | #endif
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| 44 |
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| 45 | #endif
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| 46 |
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