CDataSections on Linux

[Nick Denning <ni...@strategicthought.co.uk>]

I seem to be having a problem with createing a CDATA section on a linux
implementation of the parser.

It appears to be length related, but works fine on NT.

Has anyone else run across this and is it a known problem?

I had this problem in an application I was porting to linux from NT, having
recently introduced some cdatasections to hold text.

The program is of the form

   char * cdata_txt = 
"<MQGWOPERATION>\n\t<AI_OPERATION ai_operation_type =
a/>\n</MQGWOPERATION>\n";

   DOM_CDATASection docCDATASection = doc.createCDATASection( cdata_txt );

If I remove any character from the string the cdata section is correctly
generated and then subsequently printed (see program below), so it looks
like a length error of some sort to me.  Does anyone have any thoughts?

When I run it under gdb I get the following error.

cdatatst: mbsrtowcs.c:78: __mbsrtowcs: Assertion `((wchar_t *)
data.outbuf)[-1] == L'\0'' failed.
Aborted (core dumped)

Nick

/*
** cdatatest.cpp
**
*/

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include <cmqc.h>

#include <dom/DOM.hpp>
#include <dom/DOM_CDATASection.hpp>

#include "gw_def.h"
#include "xml_utilities.h"
#include "mq_interface.h"
#include "gen_utilities.h"
#include "deb_interface.h"
#include "config_data.h"
#include "buildver.h"
#include "log_utilities.h"

#define FUNC_NAME "main"

int  main(int argc, char **argv )
{
   unsigned int status;
   char queue_mgr_name[MQ_Q_MGR_NAME_LENGTH+1];
   char queue_name[MQ_Q_NAME_LENGTH+1];
   char xml_file_name[FILE_NAME_LEN+1];
   struct msg_desc_ msg_text = {DESC_DEFAULT};
   MQHCONN Hconn;                 /* Connection handle       */
   MQHOBJ  Hobj;                /* Object handle           */
   char buffer[LINE_BUF_LEN+1];
   char dll_version[VERSION_BUF_LEN+1];
   short xml_initiated = FALSE;

   status = TMQ_SUCCESS;

    if ( success ( status ) )
   {
      status = xml_init();
   }

   DOM_Document doc;
   DOM_Node searchnode;
   struct msg_desc_ msg_buf;

   xml_init_msg ( &msg_buf );

   char *text_string = "<AMSG><ANELT><LOWERELT/></ANELT></AMSG>";

   XML_load_doc ( doc, text_string );   

   XML_get_known_node ( doc, "LOWERELT", searchnode );

/*
   char * cdata_txt = "<MQGWOPERATION>\n"
	              "\t<AI_OPERATION ai_operation_type =
\"ai_shutdown\"/>\n"
                      "</MQGWOPERATION>\n";
   char *cdata_txt = "<my\tdata\n";
*/
   char * cdata_txt = 
"<MQGWOPERATION>\n\t<AI_OPERATION ai_operation_type =
a/>\n</MQGWOPERATION>\n";
   DOM_CDATASection docCDATASection = doc.createCDATASection( cdata_txt );

   searchnode.appendChild(docCDATASection);

   output_to_buffer ( &msg_buf, doc );

   printf ( "\n%s\n", msg_buf.buf_ptr );

   xml_free_msg ( &msg_buf );

   xml_terminate();

   return status;
}



/***************************************************************************
*****
**                             End Of File
**
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