Re: [xml] xmlCopyNode error

[Daniel Veillard <veillard redhat com>]

On Wed, Apr 24, 2002 at 06:34:34PM +0100, martyn 2 russell bt com wrote:
> I am trying to copy a node which has been parsed from a Jabber input stream.
> However when I do, the name is "" and the contents of the node I am trying
> to copy is out of bounds? Why is this?  This only happens for the input "<iq
> id='3' type='result'/>".  I have managed to parse other bits and pieces fine

 hoh Jabber, nice ;-)

> and not had this problem, can anyone help?
>
> The gdb output is show below:
>
> 26 <-- '<iq id='3' type='result'/>'
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1024 (LWP 18377)]
> 0x402f30d0 in xmlStrdup () from /usr/lib/libxml2.so.2
> (gdb) up
> #1  0x4030828e in xmlStaticCopyNode () from /usr/lib/libxml2.so.2
> (gdb) up
> #2  0x40308517 in xmlCopyNode () from /usr/lib/libxml2.so.2
> (gdb) up
> #3  0x080550ae in JB_ParseInput (buf=0xbfffe570 "<iq id='3'
> type='result'/>",
>     nBytes=26) at ../jb_parse.c:165
> (gdb) p (*ctxt->myDoc->children)
> $1 = {_private = 0x80a9360, type = 134912736, name = 0x80a9ae0 "",

  how did you got a chidl without name ???

>   children = 0x80aac08, last = 0x0, parent = 0x80aab28, next = 0x80a9398,
>   prev = 0x0, doc = 0x0, ns = 0x11,
>   content = 0x65707974 <Address 0x65707974 out of bounds>,
>   properties = 0x404e3600, nsDef = 0x0}

  Seems there is something really strange with the way your parser
context is set up. I think I know what you're trying to do but without
knowing what are the parameters passed to xmlCopyNode() it's nearly
impossible to find out where is the trouble.

Daniel

-- 
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