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Examples of errors detected by the V716…

Examples of errors detected by the V716 diagnostic

V716. Suspicious type conversion: HRESULT -> BOOL (BOOL -> HRESULT).


LibreOffice

V716 Suspicious type conversion: BOOL -> HRESULT. updatecheckconfig.cxx 193


BOOL SHGetSpecialFolderPath(
  HWND hwndOwner,
  _Out_  LPTSTR lpszPath,
  _In_   int csidl,
  _In_   BOOL fCreate
);

#define FAILED(hr) (((HRESULT)(hr)) < 0)

OUString UpdateCheckConfig::getDesktopDirectory()
{
  ....
  if( ! FAILED( SHGetSpecialFolderPathW( .... ) ) )
  ....
}

Similar errors can be found in some other places:

  • V716 Suspicious type conversion: BOOL -> HRESULT. updatecheckconfig.cxx 222

Wine Is Not an Emulator

V716 Suspicious type conversion in return statement: returned HRESULT, but function actually returns BOOL. ordinal.c 5198


#define E_INVALIDARG _HRESULT_TYPEDEF_(0x80070057)

BOOL WINAPI SHPropertyBag_ReadLONG(....)
{
    VARIANT var;
    HRESULT hr;
    TRACE("%p %s %p\n", ppb,debugstr_w(pszPropName),pValue);
    if (!pszPropName || !ppb || !pValue)
        return E_INVALIDARG;
    V_VT(&var) = VT_I4;
    hr = IPropertyBag_Read(ppb, pszPropName, &var, NULL);
    if (SUCCEEDED(hr))
    {
        if (V_VT(&var) == VT_I4)
            *pValue = V_I4(&var);
        else
            hr = DISP_E_BADVARTYPE;
    }
    return hr;
}

Dolphin Smalltalk 7

V716 Suspicious type conversion in return statement: returned BOOL, but function actually returns HRESULT. idolphinstart.cpp 78


#define STDMETHODIMP    HRESULT STDMETHODCALLTYPE

STDMETHODIMP CDolphinSmalltalk::GetVersionInfo(LPVOID pvi)
{
  extern BOOL __stdcall GetVersionInfo(VS_FIXEDFILEINFO* ....);
  return ::GetVersionInfo(static_cast<VS_FIXEDFILEINFO*>(pvi));
}

LibreOffice

V716 Suspicious type conversion in return statement: returned HRESULT, but function actually returns BOOL. maccessible.cxx 2649


BOOL
CMAccessible::get_IAccessibleFromXAccessible(....)
{
  ENTER_PROTECTED_BLOCK

  // #CHECK#
  if(ppIA == nullptr)
  {
      return E_INVALIDARG; // <=
  }
  BOOL isGet = FALSE;
  if(g_pAgent)
      isGet = g_pAgent->GetIAccessibleFromXAccessible(....);

  if(isGet)
      return TRUE;
  else
      return FALSE;

  LEAVE_PROTECTED_BLOCK
}

Similar errors can be found in some other places:

  • V716 Suspicious type conversion in return statement: returned HRESULT, but function actually returns BOOL. inprocembobj.cxx 1299
  • V716 Suspicious type conversion in return statement: returned HRESULT, but function actually returns BOOL. maccessible.cxx 2660

Command & Conquer

V716 Suspicious type conversion in assign expression: 'HRESULT = BOOL'. GBUFFER.H 780


BOOL __cdecl Linear_Blit_To_Linear(...);

inline HRESULT GraphicViewPortClass::Blit(....)
{
  HRESULT return_code=0;
  ....
  return_code=(Linear_Blit_To_Linear(this, &dest, x_pixel, y_pixel
                      , dx_pixel, dy_pixel
                      , pixel_width, pixel_height, trans));
  ....

  return ( return_code );
}

Similar errors can be found in some other places:

  • V716 Suspicious type conversion in assign expression: 'HRESULT = BOOL'. GBUFFER.H 817
  • V716 Suspicious type conversion in assign expression: 'HRESULT = BOOL'. GBUFFER.H 857
  • V716 Suspicious type conversion in assign expression: 'HRESULT = BOOL'. GBUFFER.H 773
  • And 2 additional diagnostic messages.

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