char const* qpdf_get_error_filename(qpdf_data qpdf, qpdf_error e)
{
    if (e == 0)
    {
	return "";
    }
    return e->exc->getFilename().c_str();
}
char const* qpdf_get_error_filename(qpdf_data qpdf, qpdf_error e)
{
    if (e == 0)
    {
	return "";
    }
    return e->exc->getFilename().c_str();
}