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1/****************************************************************************
2**
3** Copyright (C) 2019 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Windows main function of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
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22** modification, are permitted provided that the following conditions are
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49****************************************************************************/
50
51#include <windows.h>
52#include <shellapi.h>
53
54/*
55 This file contains the code in the qtmain library for Windows.
56 qtmain contains the Windows startup code and is required for
57 linking to the Qt DLL.
58
59 When a Windows application starts, the WinMain function is
60 invoked.
61*/
62
63#if defined(QT_NEEDS_QMAIN)
64int qMain(int, char **);
65#define main qMain
66#else
67extern "C" int main(int, char **);
68#endif
69
70/*
71 WinMain() - Initializes Windows and calls user's startup function main().
72 NOTE: WinMain() won't be called if the application was linked as a "console"
73 application.
74*/
75
76// Convert a wchar_t to char string, equivalent to QString::toLocal8Bit()
77// when passed CP_ACP.
78static inline char *wideToMulti(unsigned int codePage, const wchar_t *aw)
79{
80 const int required = WideCharToMultiByte(codePage, 0, aw, -1, nullptr, 0, nullptr, nullptr);
81 char *result = new char[required];
82 WideCharToMultiByte(codePage, 0, aw, -1, result, required, nullptr, nullptr);
83 return result;
84}
85
86extern "C" int APIENTRY WinMain(HINSTANCE, HINSTANCE, LPSTR /*cmdParamarg*/, int /* cmdShow */)
87{
88 int argc = 0;
89 wchar_t **argvW = CommandLineToArgvW(GetCommandLineW(), &argc);
90 if (argvW == nullptr)
91 return -1;
92 char **argv = new char *[argc + 1];
93 for (int i = 0; i != argc; ++i)
94 argv[i] = wideToMulti(CP_ACP, argvW[i]);
95 argv[argc] = nullptr;
96 LocalFree(argvW);
97 const int exitCode = main(argc, argv);
98 for (int i = 0; (i != argc) && (argv[i] != nullptr); ++i)
99 delete [] argv[i];
100 delete [] argv;
101 return exitCode;
102}
103

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