Function init_winapi_func_ptrs

src/operations.cpp:1402–1432

Initializes WinAPI function pointers

//! Initializes WinAPI function pointers
BOOST_FILESYSTEM_INIT_FUNC init_winapi_func_ptrs()
{
    boost::winapi::HMODULE_ h = boost::winapi::GetModuleHandleW(L"kernel32.dll");
    if (BOOST_LIKELY(!!h))
    {
        GetFileInformationByHandleEx_t* get_file_information_by_handle_ex = boost::winapi::get_proc_address<GetFileInformationByHandleEx_t*>(h, "GetFileInformationByHandleEx");
        filesystem::detail::atomic_store_relaxed(get_file_information_by_handle_ex_api, get_file_information_by_handle_ex);
        SetFileInformationByHandle_t* set_file_information_by_handle = boost::winapi::get_proc_address<SetFileInformationByHandle_t*>(h, "SetFileInformationByHandle");
        filesystem::detail::atomic_store_relaxed(set_file_information_by_handle_api, set_file_information_by_handle);
        filesystem::detail::atomic_store_relaxed(create_hard_link_api, boost::winapi::get_proc_address<CreateHardLinkW_t*>(h, "CreateHardLinkW"));
        filesystem::detail::atomic_store_relaxed(create_symbolic_link_api, boost::winapi::get_proc_address<CreateSymbolicLinkW_t*>(h, "CreateSymbolicLinkW"));

        if (get_file_information_by_handle_ex && set_file_information_by_handle)
        {
            // Enable the most advanced implementation based on GetFileInformationByHandleEx/SetFileInformationByHandle.
            // If certain flags are not supported by the OS, the remove() implementation will downgrade accordingly.
            filesystem::detail::atomic_store_relaxed(g_remove_impl_type, remove_disp_ex_flag_ignore_readonly);
        }
    }

    h = boost::winapi::GetModuleHandleW(L"ntdll.dll");
    if (BOOST_LIKELY(!!h))
    {
        filesystem::detail::atomic_store_relaxed(nt_create_file_api, boost::winapi::get_proc_address<NtCreateFile_t*>(h, "NtCreateFile"));
        filesystem::detail::atomic_store_relaxed(nt_query_directory_file_api, boost::winapi::get_proc_address<NtQueryDirectoryFile_t*>(h, "NtQueryDirectoryFile"));
    }

    init_directory_iterator_impl();

    return BOOST_FILESYSTEM_INITRETSUCCESS_V;
}

#if defined(_MSC_VER)