HRESULT CreateNamedPipesAndPseudoConsole()

in src/win/conpty.cc [113:158]
39 lines of code
8 McCabe index (conditional complexity)

HRESULT CreateNamedPipesAndPseudoConsole(COORD size,
                                         DWORD dwFlags,
                                         HANDLE *phInput,
                                         HANDLE *phOutput,
                                         HPCON* phPC,
                                         std::wstring& inName,
                                         std::wstring& outName,
                                         const std::wstring& pipeName)
{
  HANDLE hLibrary = LoadLibraryExW(L"kernel32.dll", 0, 0);
  bool fLoadedDll = hLibrary != nullptr;
  if (fLoadedDll)
  {
    PFNCREATEPSEUDOCONSOLE const pfnCreate = (PFNCREATEPSEUDOCONSOLE)GetProcAddress((HMODULE)hLibrary, "CreatePseudoConsole");
    if (pfnCreate)
    {
      if (phPC == NULL || phInput == NULL || phOutput == NULL)
      {
        return E_INVALIDARG;
      }

      bool success = createDataServerPipe(true, L"in", phInput, inName, pipeName);
      if (!success)
      {
        return HRESULT_FROM_WIN32(GetLastError());
      }
      success = createDataServerPipe(false, L"out", phOutput, outName, pipeName);
      if (!success)
      {
        return HRESULT_FROM_WIN32(GetLastError());
      }
      return pfnCreate(size, *phInput, *phOutput, dwFlags, phPC);
    }
    else
    {
      // Failed to find CreatePseudoConsole in kernel32. This is likely because
      //    the user is not running a build of Windows that supports that API.
      //    We should fall back to winpty in this case.
      return HRESULT_FROM_WIN32(GetLastError());
    }
  }

  // Failed to find  kernel32. This is realy unlikely - honestly no idea how
  //    this is even possible to hit. But if it does happen, fall back to winpty.
  return HRESULT_FROM_WIN32(GetLastError());
}