Серийник флэшки

#include <iostream>
#include <windows.h>
#include <Winioctl.h>
 
using namespace std;
 
int main()
{
    DWORD dwBytesReturned = 0;
    STORAGE_PROPERTY_QUERY query;
    STORAGE_DESCRIPTOR_HEADER info = { 0 };
    STORAGE_DEVICE_DESCRIPTOR *buffer = NULL;
 
    HANDLE hDrive = CreateFileW(L"\\\\.\\PhysicalDrive0", 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
        OPEN_EXISTING, 0, NULL);
 
    
    query.PropertyId = StorageDeviceProperty;
    query.QueryType = PropertyStandardQuery;
 
    DeviceIoControl(hDrive, IOCTL_STORAGE_QUERY_PROPERTY, &query, sizeof(query),
        &info, sizeof(info), &dwBytesReturned, NULL);
 
    if (dwBytesReturned)
    {
        dwBytesReturned = 0;
        buffer = (STORAGE_DEVICE_DESCRIPTOR*)new BYTE[info.Size];
        DeviceIoControl(hDrive, IOCTL_STORAGE_QUERY_PROPERTY, &query, sizeof(query),
            buffer, info.Size, &dwBytesReturned, NULL);
        if (dwBytesReturned)
        {
            if (buffer->VendorIdOffset != 0) {
                char *str = (char*)((char*)buffer + buffer->VendorIdOffset);
                cout << "VendorId: " << str << endl;
            }
            if (buffer->ProductIdOffset != 0) {
                char *str = (char*)((char*)buffer + buffer->ProductIdOffset);
                cout << "ProductId: " << str << endl;
            }
            if (buffer->ProductRevisionOffset != 0) {
                char *str = (char*)((char*)buffer + buffer->ProductRevisionOffset);
                cout << "ProductRevision: " << str << endl;
            }
            if (buffer->SerialNumberOffset != 0) {
                char *str = (char*)((char*)buffer + buffer->SerialNumberOffset);
                cout << "SerialNumber: " << str << endl;
            }
        }
        delete[] buffer;
        buffer = NULL;
    }
    
    CloseHandle(hDrive);
 
    system("pause");
}