Function recursive_directory_iterator_pop

src/directory.cpp:1398–1447

} // namespace

BOOST_FILESYSTEM_DECL
void recursive_directory_iterator_pop(recursive_directory_iterator& it, system::error_code* ec)
{
    BOOST_ASSERT_MSG(!it.is_end(), "pop() on end recursive_directory_iterator");
    detail::recur_dir_itr_imp* const imp = it.m_imp.get();

    if (ec)
        ec->clear();

    imp->m_stack.pop_back();

    while (true)
    {
        if (imp->m_stack.empty())
        {
            it.m_imp.reset(); // done, so make end iterator
            break;
        }

        directory_iterator& dir_it = imp->m_stack.back();
        system::error_code increment_ec;
        detail::directory_iterator_increment(dir_it, &increment_ec);
        if (BOOST_UNLIKELY(!!increment_ec))
        {
            if ((imp->m_options & directory_options::pop_on_error) == directory_options::none)
            {
                // Make an end iterator on errors
                it.m_imp.reset();
            }
            else
            {
                recursive_directory_iterator_pop_on_error(imp);

                if (imp->m_stack.empty())
                    it.m_imp.reset(); // done, so make end iterator
            }

            if (!ec)
                BOOST_FILESYSTEM_THROW(filesystem_error("boost::filesystem::recursive_directory_iterator::pop", increment_ec));

            *ec = increment_ec;
            return;
        }

        if (dir_it != directory_iterator())
            break;

        imp->m_stack.pop_back();
    }
}

BOOST_FILESYSTEM_DECL
void recursive_directory_iterator_increment(recursive_directory_iterator& it, system::error_code* ec)