STDMETHODIMP QueryInterface()

in src/vswhere.lib/LegacyInstance.h [20:46]

• 25 lines of code
• 4 McCabe index (conditional complexity)

    STDMETHODIMP QueryInterface(
        _In_ REFIID riid,
        _Outptr_ LPVOID *ppvObject)
    {
        if (!ppvObject)
        {
            return E_POINTER;
        }

        HRESULT hr = S_OK;
        if (riid == __uuidof(ISetupInstance))
        {
            AddRef();
            *ppvObject = static_cast<ISetupInstance*>(this);
        }
        else if (riid == __uuidof(IUnknown))
        {
            AddRef();
            *ppvObject = static_cast<IUnknown*>(this);
        }
        else
        {
            hr = E_NOINTERFACE;
        }

        return hr;
    }