Function xmlInitializeCatalogData

ThirdParty/libxml2/vtklibxml2/catalog.c:3051–3061

* xmlInitializeCatalogData: * * Do the catalog initialization only of global data, doesn't try to load * any catalog actually. * this function is not thread safe, catalog initialization should * preferably be done once at startup */

 * preferably be done once at startup
 */
static void
xmlInitializeCatalogData(void) {
    if (xmlCatalogInitialized != 0)
	return;

    if (getenv("XML_DEBUG_CATALOG"))
	xmlDebugCatalogs = 1;
    xmlCatalogMutex = xmlNewRMutex();

    xmlCatalogInitialized = 1;
}
/**
 * xmlInitializeCatalog:
 *