2016-06-18 10:51:12 +02:00

70 lines
2.2 KiB
C++

/*
Copyright 2015-2016 Amebis
Copyright 2016 GÉANT
This file is part of GÉANTLink.
GÉANTLink is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GÉANTLink is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GÉANTLink. If not, see <http://www.gnu.org/licenses/>.
*/
#include "StdAfx.h"
#pragma comment(lib, "Msi.lib")
using namespace std;
using namespace winstd;
static int MsiUseFeature()
{
int nArgs;
unique_ptr<LPWSTR[], LocalFree_delete<LPWSTR[]> > pwcArglist(CommandLineToArgvW(GetCommandLineW(), &nArgs));
if (pwcArglist == NULL) {
OutputDebugStr(_T("CommandLineToArgvW failed (error %u).\n"), GetLastError());
return 1;
}
if (nArgs < 2) {
OutputDebugStr(_T("Not enough parameters.\n"));
return -1;
}
// Query the feature state.
if (MsiQueryFeatureStateW(_L(PRODUCT_VERSION_GUID), pwcArglist[1]) == INSTALLSTATE_UNKNOWN) {
OutputDebugStr(_T("The product is not installed or feature state is unknown.\n"));
return 1;
}
// Perform the Microsoft Installer's feature completeness check.
if (MsiUseFeatureW(_L(PRODUCT_VERSION_GUID), pwcArglist[1]) != INSTALLSTATE_LOCAL) {
OutputDebugStr(_T("The feature is not installed locally.\n"));
return 2;
}
return 0;
}
int CALLBACK WinMain(_In_ HINSTANCE hInstance, _In_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nCmdShow)
{
UNREFERENCED_PARAMETER(hInstance);
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
UNREFERENCED_PARAMETER(nCmdShow);
int res = MsiUseFeature();
assert(!_CrtDumpMemoryLeaks());
return res;
}