| 1 | /* $Id: vcc-fakes-ntdll.cpp 83861 2020-04-20 15:01:48Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Tricks to make the Visual C++ 2010 CRT work on NT4, W2K and XP - NTDLL.DLL.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include <iprt/cdefs.h>
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| 32 | #include <iprt/types.h>
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| 33 |
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| 34 | #ifndef RT_ARCH_X86
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| 35 | # error "This code is X86 only"
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| 36 | #endif
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| 37 |
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| 38 | #include <iprt/win/windows.h>
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| 39 |
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| 40 |
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| 41 |
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| 42 | /** Dynamically resolves an kernel32 API. */
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| 43 | #define RESOLVE_ME(ApiNm) \
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| 44 | static bool volatile s_fInitialized = false; \
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| 45 | static decltype(ApiNm) *s_pfnApi = NULL; \
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| 46 | decltype(ApiNm) *pfnApi; \
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| 47 | if (s_fInitialized) \
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| 48 | pfnApi = s_pfnApi; \
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| 49 | else \
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| 50 | { \
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| 51 | pfnApi = (decltype(pfnApi))GetProcAddress(GetModuleHandleW(L"ntdll.dll"), #ApiNm); \
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| 52 | s_pfnApi = pfnApi; \
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| 53 | s_fInitialized = true; \
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| 54 | } do {} while (0) \
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| 55 |
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| 56 |
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| 57 | extern "C"
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| 58 | __declspec(dllexport)
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| 59 | ULONG WINAPI RtlGetLastWin32Error(VOID)
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| 60 | {
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| 61 | RESOLVE_ME(RtlGetLastWin32Error);
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| 62 | if (pfnApi)
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| 63 | return pfnApi();
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| 64 | return GetLastError();
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| 65 | }
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| 66 |
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| 67 |
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| 68 | /* Dummy to force dragging in this object in the link, so the linker
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| 69 | won't accidentally use the symbols from kernel32. */
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| 70 | extern "C" int vcc100_ntdll_fakes_cpp(void)
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| 71 | {
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| 72 | return 42;
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| 73 | }
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| 74 |
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