VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/win/vcc100-ntdll-fakes.cpp@ 80569

Last change on this file since 80569 was 76553, checked in by vboxsync, 6 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.4 KB
Line 
1/* $Id: vcc100-ntdll-fakes.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2/** @file
3 * IPRT - Tricks to make the Visual C++ 2010 CRT work on NT4, W2K and XP - NTDLL.DLL.
4 */
5
6/*
7 * Copyright (C) 2012-2019 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include <iprt/cdefs.h>
32#include <iprt/types.h>
33
34#ifndef RT_ARCH_X86
35# error "This code is X86 only"
36#endif
37
38#include <iprt/win/windows.h>
39
40
41
42/** Dynamically resolves an kernel32 API. */
43#define RESOLVE_ME(ApiNm) \
44 static bool volatile s_fInitialized = false; \
45 static decltype(ApiNm) *s_pfnApi = NULL; \
46 decltype(ApiNm) *pfnApi; \
47 if (s_fInitialized) \
48 pfnApi = s_pfnApi; \
49 else \
50 { \
51 pfnApi = (decltype(pfnApi))GetProcAddress(GetModuleHandleW(L"ntdll.dll"), #ApiNm); \
52 s_pfnApi = pfnApi; \
53 s_fInitialized = true; \
54 } do {} while (0) \
55
56
57extern "C"
58__declspec(dllexport)
59ULONG WINAPI RtlGetLastWin32Error(VOID)
60{
61 RESOLVE_ME(RtlGetLastWin32Error);
62 if (pfnApi)
63 return pfnApi();
64 return GetLastError();
65}
66
67
68/* Dummy to force dragging in this object in the link, so the linker
69 won't accidentally use the symbols from kernel32. */
70extern "C" int vcc100_ntdll_fakes_cpp(void)
71{
72 return 42;
73}
74
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