function file_upload($articleid)
{
global $wfsConfig;
global $wfsUploadSize;
if ($articleid == 0) return 21;
$error = check_post_files('filename');
if ($error != 0) return $error;
$upload = new uploadfile('filename');
$upload->loadPostVars();
$upload->setMaxFilesize($wfsUploadSize);
$upload->setMode($wfsConfig['wfsmode']);
$distfilename = $upload->doUploadToRandumFile(XOOPS_ROOT_PATH."/".$wfsConfig['filesbasepath']);
if (!$distfilename) return $upload->getErrorCode();
$file = new WfsFiles();
$file->setByUploadFile($upload);
$file->setFiledescript($_POST['filedescript']);
// $file->setFiletext($_POST['filetext']);
$file->setgroupid($_POST['groupid']);
if (empty($_POST['fileshowname']))
{ $file->setFileShowName($upload->getOriginalName()); }
else
{ $file->setFileShowName($_POST['fileshowname']); }
$file->setArticleid($articleid);
$ret = $file->store();
if (!$ret) return 22;
return 0;
}