221 	if (uri->scheme != NULL) xmlFree(uri->scheme);  in xmlParse3986Scheme()
222 	uri->scheme = STRNDUP(*str, cur - *str);  in xmlParse3986Scheme()
1075     if (uri->scheme != NULL) {  in xmlSaveUri()
1076 	p = uri->scheme;  in xmlSaveUri()
1195 	} else if (uri->scheme != NULL) {  in xmlSaveUri()
1208 	    if ((uri->scheme != NULL) &&  in xmlSaveUri()
1213 	        (xmlStrEqual(BAD_CAST uri->scheme, BAD_CAST "file"))) {  in xmlSaveUri()
1351     if (uri->scheme != NULL) xmlFree(uri->scheme);  in xmlCleanURI()
1352     uri->scheme = NULL;  in xmlCleanURI()
1381     if (uri->scheme != NULL) xmlFree(uri->scheme);  in xmlFreeURI()
1774     if (uri->scheme) {  in xmlURIEscape()
1775         segment = xmlURIEscapeStr(BAD_CAST uri->scheme, BAD_CAST "+-.");  in xmlURIEscape()
1910     if ((ref != NULL) && (ref->scheme != NULL)) {  in xmlBuildURI()
1957     if ((ref->scheme == NULL) && (ref->path == NULL) &&  in xmlBuildURI()
1959 	if (bas->scheme != NULL)  in xmlBuildURI()
1960 	    res->scheme = xmlMemStrdup(bas->scheme);  in xmlBuildURI()
1990     if (ref->scheme != NULL) {  in xmlBuildURI()
1994     if (bas->scheme != NULL)  in xmlBuildURI()
1995 	res->scheme = xmlMemStrdup(bas->scheme);  in xmlBuildURI()
2211     if ((ref->scheme != NULL) &&  in xmlBuildRelativeURI()
2212 	((bas->scheme == NULL) ||  in xmlBuildRelativeURI()
2213 	 (xmlStrcmp ((xmlChar *)bas->scheme, (xmlChar *)ref->scheme)) ||  in xmlBuildRelativeURI()
2474 	uri->scheme = xmlStrdup(BAD_CAST "file");  in xmlCanonicPath()
2500     if (uri->scheme == NULL) {  in xmlCanonicPath()