Re: [xml] xmlMemUsed() always returns 0 even when mem debug is activated

[Daniel Veillard <veillard redhat com>]

On Thu, Dec 18, 2008 at 03:29:55PM +0100, apaxeros gmail com wrote:
> Hello,
>
> I've been trying to evaluate the amount of memory allocated using
> xmlMemUsed. A similar question was asked in 2004:
> http://mail.gnome.org/archives/xml/2004-March/msg00232.html, and Daniel
> replied that mem debug had to be activated. That's why I recompiled libxml2
> (version 2.6.30, on Ubuntu 8.04) with the option --with-mem-debug.
> Unfortunately, the following code:
>
>  doc = xmlParseFile(argv[2]);
>   if (doc == NULL)
>   {
>       printf ("%s could not be parsed\n", argv[2]);
>       exit (1);
>   }
>   printf("Used memory: %d\n", xmlMemUsed());
>   xmlDocDump(stdout, doc);
>
> always returns "Used memory: 0", while xmlDocDump() generates a correct
> output. Is there a special way of using this function ?

  make 100% sure you link with the newly recompiled library,
if needed run under gdb and put a breakpoint on xmlMallocLoc.

Daniel

-- 
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