Download Pelles C here: http://www.smorgasbordet.com/pellesc/
typedef struct {
int count;
double min;
double max;
double mean;
double median;
double mode;
double std_dev;
double coeff_variation;
double skewness;
double kurtosis;
} Statistics;
Statistics calculate_statistics(void* gsData, int nRows, int vCol)
{
}
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <wuapi.h>
#include <oleauto.h>
#include <stdio.h>
#include <conio.h>
#include <wchar.h>
#pragma comment(lib, "ole32.lib")
#pragma comment(lib, "oleaut32.lib")
// Function to initialize COM and create Update Session
HRESULT InitializeUpdateSession(IUpdateSession** ppSession)
{
HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if (FAILED(hr))
{
printf("CoInitializeEx failed: 0x%08X\n", hr);
return hr;
}
hr = CoCreateInstance(&CLSID_UpdateSession, NULL, CLSCTX_INPROC_SERVER,
&IID_IUpdateSession, (LPVOID*)ppSession);
if (FAILED(hr))
{
printf("CoCreateInstance failed: 0x%08X\n", hr);
CoUninitialize();
}
return hr;
}
// Function to search for updates
HRESULT SearchForUpdates(IUpdateSession* pSession, IUpdateSearcher** ppSearcher,
IUpdateCollection** ppUpdates)
{
HRESULT hr = pSession->lpVtbl->CreateUpdateSearcher(pSession, ppSearcher);
if (FAILED(hr))
{
printf("CreateUpdateSearcher failed: 0x%08X\n", hr);
return hr;
}
// Search for all updates
ISearchResult* pResult = NULL;
hr = (*ppSearcher)->lpVtbl->Search(*ppSearcher, L"IsInstalled=0", &pResult);
if (FAILED(hr))
{
printf("Search failed: 0x%08X\n", hr);
return hr;
}
// Get the updates that were found
hr = pResult->lpVtbl->get_Updates(pResult, ppUpdates);
if (FAILED(hr))
{
printf("get_Updates failed: 0x%08X\n", hr);
pResult->lpVtbl->Release(pResult);
return hr;
}
pResult->lpVtbl->Release(pResult);
return S_OK;
}
// Function to display available updates
HRESULT DisplayUpdates(IUpdateCollection* pUpdates)
{
LONG count = 0;
HRESULT hr = pUpdates->lpVtbl->get_Count(pUpdates, &count);
if (FAILED(hr))
{
printf("get_Count failed: 0x%08X\n", hr);
return hr;
}
printf("Found %d available updates:\n\n", count);
for (LONG i = 0; i < count; i++)
{
IUpdate* pUpdate = NULL;
hr = pUpdates->lpVtbl->get_Item(pUpdates, i, &pUpdate);
if (FAILED(hr))
{
printf("get_Item failed for update %d: 0x%08X\n", i, hr);
continue;
}
BSTR title = NULL;
hr = pUpdate->lpVtbl->get_Title(pUpdate, &title);
if (SUCCEEDED(hr))
{
printf("%d. %ls\n", i + 1, title);
SysFreeString(title);
}
pUpdate->lpVtbl->Release(pUpdate);
}
return S_OK;
}
// Function to download updates
HRESULT DownloadUpdates(IUpdateSession* pSession, IUpdateCollection* pUpdates)
{
IUpdateDownloader* pDownloader = NULL;
HRESULT hr = pSession->lpVtbl->CreateUpdateDownloader(pSession, &pDownloader);
if (FAILED(hr))
{
printf("CreateUpdateDownloader failed: 0x%08X\n", hr);
return hr;
}
hr = pDownloader->lpVtbl->put_Updates(pDownloader, pUpdates);
if (FAILED(hr))
{
printf("put_Updates failed: 0x%08X\n", hr);
pDownloader->lpVtbl->Release(pDownloader);
return hr;
}
printf("\nDownloading updates...\n");
IDownloadResult* pResult = NULL;
hr = pDownloader->lpVtbl->Download(pDownloader, &pResult);
if (FAILED(hr))
{
printf("Download failed: 0x%08X\n", hr);
pDownloader->lpVtbl->Release(pDownloader);
return hr;
}
pDownloader->lpVtbl->Release(pDownloader);
pResult->lpVtbl->Release(pResult);
printf("Download completed.\n");
return S_OK;
}
// Function to install updates
HRESULT InstallUpdates(IUpdateSession* pSession, IUpdateCollection* pUpdates)
{
IUpdateInstaller* pInstaller = NULL;
HRESULT hr = pSession->lpVtbl->CreateUpdateInstaller(pSession, &pInstaller);
if (FAILED(hr))
{
printf("CreateUpdateInstaller failed: 0x%08X\n", hr);
return hr;
}
hr = pInstaller->lpVtbl->put_Updates(pInstaller, pUpdates);
if (FAILED(hr))
{
printf("put_Updates failed: 0x%08X\n", hr);
pInstaller->lpVtbl->Release(pInstaller);
return hr;
}
printf("\nInstalling updates...\n");
IInstallationResult* pResult = NULL;
hr = pInstaller->lpVtbl->Install(pInstaller, &pResult);
if (FAILED(hr))
{
printf("Install failed: 0x%08X\n", hr);
pInstaller->lpVtbl->Release(pInstaller);
return hr;
}
short int rebootRequired = 0;
pResult->lpVtbl->get_RebootRequired(pResult, &rebootRequired);
if (rebootRequired)
{
printf("\nA system reboot is required to complete the installation.\n");
}
pInstaller->lpVtbl->Release(pInstaller);
pResult->lpVtbl->Release(pResult);
printf("Installation completed.\n");
return S_OK;
}
int main(void)
{
printf("Windows Update Installer\n");
printf("=======================\n\n");
IUpdateSession* pSession = NULL;
IUpdateSearcher* pSearcher = NULL;
IUpdateCollection* pUpdates = NULL;
// Initialize and search for updates
HRESULT hr = InitializeUpdateSession(&pSession);
if (SUCCEEDED(hr))
{
hr = SearchForUpdates(pSession, &pSearcher, &pUpdates);
}
// Display updates if found
if (SUCCEEDED(hr))
{
hr = DisplayUpdates(pUpdates);
}
// Ask user if they want to proceed
if (SUCCEEDED(hr) && pUpdates)
{
LONG count = 0;
pUpdates->lpVtbl->get_Count(pUpdates, &count);
if (count > 0)
{
// Download and install updates
hr = DownloadUpdates(pSession, pUpdates);
if (SUCCEEDED(hr))
{
hr = InstallUpdates(pSession, pUpdates);
}
}
else
{
printf("No updates available.\n");
}
}
// Cleanup
if (pUpdates) pUpdates->lpVtbl->Release(pUpdates);
if (pSearcher) pSearcher->lpVtbl->Release(pSearcher);
if (pSession) pSession->lpVtbl->Release(pSession);
CoUninitialize();
if (FAILED(hr))
{
printf("\nAn error occurred: 0x%08X\n", hr);
return 1;
}
return 0;
}
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