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++ // Copyright (C) 2019 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <stdlib.h> // __argc, __argv
++ #include <qt_windows.h>
++ #include <shellapi.h>
++
++ /*
++ This file contains the code in the QtEntryPoint library for Windows.
++ QtEntryPoint contains the Windows startup code and is required for
++ linking to the Qt DLL.
++
++ When a Windows application starts, the WinMain function is
++ invoked.
++ */
++
++ #if defined(QT_NEEDS_QMAIN)
++ int qMain(int, char **);
++ #define main qMain
++ #else
++ int main(int, char **);
++ #endif
++
++ /*
++ WinMain() - Initializes Windows and calls user's startup function main().
++ NOTE: WinMain() won't be called if the application was linked as a "console"
++ application.
++ */
++
++ // Convert a wchar_t to char string, equivalent to QString::toLocal8Bit()
++ // when passed CP_ACP.
++ static inline char *wideToMulti(unsigned int codePage, const wchar_t *aw)
++ {
++ const int required = WideCharToMultiByte(codePage, 0, aw, -1, nullptr, 0, nullptr, nullptr);
++ char *result = new char[required];
++ WideCharToMultiByte(codePage, 0, aw, -1, result, required, nullptr, nullptr);
++ return result;
++ }
++
++ static inline int qtEntryPoint()
++ {
++ int argc = __argc;
++ char **argv = __argv;
++ if (argv)
++ return main(argc, argv);
++ wchar_t **argvW = CommandLineToArgvW(GetCommandLineW(), &argc);
++ if (argvW == nullptr)
++ return -1;
++ argv = new char *[argc + 1];
++ for (int i = 0; i != argc; ++i)
++ argv[i] = wideToMulti(CP_ACP, argvW[i]);
++ argv[argc] = nullptr;
++ LocalFree(argvW);
++ const int exitCode = main(argc, argv);
++ for (int i = 0; (i != argc) && (argv[i] != nullptr); ++i)
++ delete [] argv[i];
++ delete [] argv;
++ return exitCode;
++ }
++
++ extern "C" int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
++ {
++ return qtEntryPoint();
++ }
++
++ extern "C" int WINAPI wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int)
++ {
++ return qtEntryPoint();
++ }