Given the following code containing errors, provide Common Weakness Enumeration (CWE) identifiers and corresponding messages in JSON format. Each identified weakness should have a unique entry in the JSON array.
    Code: xmlTextReaderSetup(xmlTextReaderPtr reader,
                   xmlParserInputBufferPtr input, const char *URL,
                   const char *encoding, int options)
{
    if (reader == NULL) {
        if (input != NULL)
	    xmlFreeParserInputBuffer(input);
        return (-1);
    }

    /*
     * we force the generation of compact text nodes on the reader
     * since usr applications should never modify the tree
     */
    options |= XML_PARSE_COMPACT;

    reader->doc = NULL;
    reader->entNr = 0;
    reader->parserFlags = options;
    reader->validate = XML_TEXTREADER_NOT_VALIDATE;
    if ((input != NULL) && (reader->input != NULL) &&
        (reader->allocs & XML_TEXTREADER_INPUT)) {
	xmlFreeParserInputBuffer(reader->input);
	reader->input = NULL;
	reader->allocs -= XML_TEXTREADER_INPUT;
    }
    if (input != NULL) {
	reader->input = input;
	reader->allocs |= XML_TEXTREADER_INPUT;
    }
    if (reader->buffer == NULL)
        reader->buffer = xmlBufCreateSize(100);
    if (reader->buffer == NULL) {
        xmlGenericError(xmlGenericErrorContext,
                        "xmlTextReaderSetup : malloc failed\n");
        return (-1);
    }
    if (reader->sax == NULL)
	reader->sax = (xmlSAXHandler *) xmlMalloc(sizeof(xmlSAXHandler));
    if (reader->sax == NULL) {
        xmlGenericError(xmlGenericErrorContext,
                        "xmlTextReaderSetup : malloc failed\n");
        return (-1);
    }
    xmlSAXVersion(reader->sax, 2);
    reader->startElement = reader->sax->startElement;
    reader->sax->startElement = xmlTextReaderStartElement;
    reader->endElement = reader->sax->endElement;
    reader->sax->endElement = xmlTextReaderEndElement;
#ifdef LIBXML_SAX1_ENABLED
    if (reader->sax->initialized == XML_SAX2_MAGIC) {
#endif /* LIBXML_SAX1_ENABLED */
        reader->startElementNs = reader->sax->startElementNs;
        reader->sax->startElementNs = xmlTextReaderStartElementNs;
        reader->endElementNs = reader->sax->endElementNs;
        reader->sax->endElementNs = xmlTextReaderEndElementNs;
#ifdef LIBXML_SAX1_ENABLED
    } else {
        reader->startElementNs = NULL;
        reader->endElementNs = NULL;
    }
#endif /* LIBXML_SAX1_ENABLED */
    reader->characters = reader->sax->characters;
    reader->sax->characters = xmlTextReaderCharacters;
    reader->sax->ignorableWhitespace = xmlTextReaderCharacters;
    reader->cdataBlock = reader->sax->cdataBlock;
    reader->sax->cdataBlock = xmlTextReaderCDataBlock;

    reader->mode = XML_TEXTREADER_MODE_INITIAL;
    reader->node = NULL;
    reader->curnode = NULL;
    if (input != NULL) {
        if (xmlBufUse(reader->input->buffer) < 4) {
            xmlParserInputBufferRead(input, 4);
        }
        if (reader->ctxt == NULL) {
            if (xmlBufUse(reader->input->buffer) >= 4) {
                reader->ctxt = xmlCreatePushParserCtxt(reader->sax, NULL,
		       (const char *) xmlBufContent(reader->input->buffer),
                                      4, URL);
                reader->base = 0;
                reader->cur = 4;
            } else {
                reader->ctxt =
                    xmlCreatePushParserCtxt(reader->sax, NULL, NULL, 0, URL);
                reader->base = 0;
                reader->cur = 0;
            }
        } else {
	    xmlParserInputPtr inputStream;
	    xmlParserInputBufferPtr buf;
	    xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;

	    xmlCtxtReset(reader->ctxt);
	    buf = xmlAllocParserInputBuffer(enc);
	    if (buf == NULL) return(-1);
	    inputStream = xmlNewInputStream(reader->ctxt);
	    if (inputStream == NULL) {
		xmlFreeParserInputBuffer(buf);
		return(-1);
	    }

	    if (URL == NULL)
		inputStream->filename = NULL;
	    else
		inputStream->filename = (char *)
		    xmlCanonicPath((const xmlChar *) URL);
	    inputStream->buf = buf;
            xmlBufResetInput(buf->buffer, inputStream);

	    inputPush(reader->ctxt, inputStream);
	    reader->cur = 0;
	}
        if (reader->ctxt == NULL) {
            xmlGenericError(xmlGenericErrorContext,
                            "xmlTextReaderSetup : malloc failed\n");
            return (-1);
        }
    }
    if (reader->dict != NULL) {
        if (reader->ctxt->dict != NULL) {
	    if (reader->dict != reader->ctxt->dict) {
		xmlDictFree(reader->dict);
		reader->dict = reader->ctxt->dict;
	    }
	} else {
	    reader->ctxt->dict = reader->dict;
	}
    } else {
	if (reader->ctxt->dict == NULL)
	    reader->ctxt->dict = xmlDictCreate();
        reader->dict = reader->ctxt->dict;
    }
    reader->ctxt->_private = reader;
    reader->ctxt->linenumbers = 1;
    reader->ctxt->dictNames = 1;
    /*
     * use the parser dictionnary to allocate all elements and attributes names
     */
    reader->ctxt->docdict = 1;
    reader->ctxt->parseMode = XML_PARSE_READER;

#ifdef LIBXML_XINCLUDE_ENABLED
    if (reader->xincctxt != NULL) {
	xmlXIncludeFreeContext(reader->xincctxt);
	reader->xincctxt = NULL;
    }
    if (options & XML_PARSE_XINCLUDE) {
        reader->xinclude = 1;
	reader->xinclude_name = xmlDictLookup(reader->dict, XINCLUDE_NODE, -1);
	options -= XML_PARSE_XINCLUDE;
    } else
        reader->xinclude = 0;
    reader->in_xinclude = 0;
#endif
#ifdef LIBXML_PATTERN_ENABLED
    if (reader->patternTab == NULL) {
        reader->patternNr = 0;
	reader->patternMax = 0;
    }
    while (reader->patternNr > 0) {
        reader->patternNr--;
	if (reader->patternTab[reader->patternNr] != NULL) {
	    xmlFreePattern(reader->patternTab[reader->patternNr]);
            reader->patternTab[reader->patternNr] = NULL;
	}
    }
#endif

    if (options & XML_PARSE_DTDVALID)
        reader->validate = XML_TEXTREADER_VALIDATE_DTD;

    xmlCtxtUseOptions(reader->ctxt, options);
    if (encoding != NULL) {
        xmlCharEncodingHandlerPtr hdlr;

        hdlr = xmlFindCharEncodingHandler(encoding);
        if (hdlr != NULL)
            xmlSwitchToEncoding(reader->ctxt, hdlr);
    }
    if ((URL != NULL) && (reader->ctxt->input != NULL) &&
        (reader->ctxt->input->filename == NULL))
        reader->ctxt->input->filename = (char *)
            xmlStrdup((const xmlChar *) URL);

    reader->doc = NULL;

    return (0);
} ; Sample JSON Format Confermily Expected output: "examples" => "cwe": "xxx"; "message": "xxx"
    
 'cwe': ['CWE-399'], 'message': 'CVE-2015-1819 Enforce the reader to run in constant memory

One of the operation on the reader could resolve entities
leading to the classic expansion issue. Make sure the
buffer used for xmlreader operation is bounded.
Introduce a new allocation type for the buffers for this effect.'