98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
/*
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Copyright 2015-2018 Amebis
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This file is part of ZRCola.
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ZRCola is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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ZRCola is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with ZRCola. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "stdafx.h"
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///
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/// Main function
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///
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extern "C" void WinMainCRTStartup()
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{
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// Load "KERNEL32.DLL".
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HMODULE hKernel32 = LoadLibrary(TEXT("KERNEL32.DLL"));
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if (!hKernel32)
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ExitProcess(1);
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// Get IsWow64Process() address.
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BOOL (WINAPI *_IsWow64Process)(__in HANDLE hProcess, __out PBOOL Wow64Process) = (BOOL(WINAPI*)(__in HANDLE, __out PBOOL))::GetProcAddress(hKernel32, "IsWow64Process");
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BOOL bIs64Bit;
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#ifndef _WIN64
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// Determine if this is a 32-bit process under Windows-over-Windows64.
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if (_IsWow64Process) {
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// See what IsWow64Process() says.
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if (!_IsWow64Process(::GetCurrentProcess(), &bIs64Bit)) {
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// IsWow64Process() returned an error. Assume not 64-bit Windows.
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bIs64Bit = FALSE;
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}
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} else {
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// This platform does not have IsWow64Process(). Therefore, this is definitely not 64-bit Windows.
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bIs64Bit = FALSE;
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}
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#else
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// This is a running 64-bit process. The Windows must be 64 bit then.
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bIs64Bit = TRUE;
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#endif
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FreeLibrary(hKernel32);
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// Get temporary folder path.
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static const LPTSTR pszTempFolderDefault = TEXT("");
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LPTSTR pszTempFolder;
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DWORD dwLength;
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if ((dwLength = GetEnvironmentVariable(TEXT("TEMP"), NULL, 0)) != 0 &&
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(pszTempFolder = (LPTSTR)LocalAlloc(LMEM_FIXED, (dwLength + 1)*sizeof(TCHAR))) != NULL) // +1 is for trailing backslash when missing!
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{
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dwLength = ::GetEnvironmentVariable(TEXT("TEMP"), pszTempFolder, dwLength);
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if (pszTempFolder[dwLength - 1] != TEXT('\\')) {
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// Append trailing backslash.
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pszTempFolder[dwLength ] = TEXT('\\');
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pszTempFolder[dwLength + 1] = 0;
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}
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} else
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pszTempFolder = pszTempFolderDefault;
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// Format msiexec's command line.
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LPTSTR pszParams;
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DWORD_PTR aArgs[] = {
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(DWORD_PTR)TEXT(ZRCOLA_INSTALL_LANG),
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(DWORD_PTR)(bIs64Bit ? TEXT("64") : TEXT("32")),
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(DWORD_PTR)pszTempFolder,
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};
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_ARGUMENT_ARRAY | FORMAT_MESSAGE_FROM_STRING,
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TEXT("/i \"http://www.amebis.si/prenos/ZRCola/_latest/ZRCola%1%2.msi\" /l* \"%3ZRCola%1%2.log\""),
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0,
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0,
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(LPTSTR)&pszParams,
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1,
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(va_list*)aArgs);
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// Launch installation.
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int iResult = (int)ShellExecute(NULL, NULL, TEXT("msiexec.exe"), pszParams, NULL, SW_SHOWNORMAL) > 32;
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// Clean up.
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LocalFree(pszParams);
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if (pszTempFolder != pszTempFolderDefault) LocalFree(pszTempFolder);
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ExitProcess(iResult ? 0 : 2);
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}
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