doc = xmlNewDoc((xmlChar *)"1.0");
        root_node = xmlNewNode(NULL, (xmlChar *)"devices");
        xmlDocSetRootElement(doc, root_node);

        xmlDocDumpFormatMemory(doc, &xmlret, &buffersize, 1);
        strncpy(target, (char *)xmlret, max);

        xmlFree(xmlret);
        xmlFreeDoc(doc);