Re: [xml] error

["William M. Brack" <wbrack mmm com hk>]

nitin singh said:
> Hello
> I am running a code using two libraries, xmlsec and
> libxml2. when i try to find memory leaks using
> valgrind I get following leak
>
>
> ==26377== 4 bytes in 1 blocks are definitely lost in
> loss record 1 of 27
> ==26377==    at 0x1B903D1C: malloc
> (vg_replace_malloc.c:131)
> ==26377==    by 0x1BA908D5: xmlStrndup__internal_alias
> (xmlstring.c:45)
> ==26377==    by 0x1BA90931: xmlStrdup__internal_alias
> (xmlstring.c:71)
> ==26377==    by 0x1BA90EDE: xmlStrcat__internal_alias
> (xmlstring.c:515)
> ==26377==
> ==26377== LEAK SUMMARY:
> ==26377==    definitely lost: 4 bytes in 1 blocks.
> ==26377==    possibly lost:   0 bytes in 0 blocks.
> ==26377==    still reachable: 31945 bytes in 476
> blocks.
> ==26377==         suppressed: 200 bytes in 1 blocks.
> ==26377== Reachable blocks (those to which a pointer
> was found) are not shown.
> ==26377== To see them, rerun with:
> --show-reachable=yes
>
>
>
> I have checked all of my code, used grep, did
> everything i could, and now I am sure
> that i am not calling xmlStrcat or xmlStrdup anywhere
> in my code.
> Just want to make sure, the internal alias is for
> xmlStrcat only, right ???
> Can somebody help me trace this out.
> thanks
> Nitin

We will need to look further back in the stack to find where the leak arises. 
Use valgrind's parameter "--num-callers=50" to do this.  Also, when you make a
report, please make sure to specify which version of the library you are using
(provide the output of "xmllint --version").

Bill