Re: [xml] correct version of libxml2
- From: Jonah Petri <jpetri izotope com>
- To: xml gnome org
- Subject: Re: [xml] correct version of libxml2
- Date: Tue, 26 Apr 2011 10:22:20 -0400
Just out of curiousity - it _should_ be ok to call this within a library on a statically linked copy of
libxml2, right?
Jonah
On Apr 26, 2011, at 9:59 AM, Daniel Veillard wrote:
On Mon, Apr 25, 2011 at 08:33:18AM -0700, Marco Rogers wrote:
Daniel:
Can you shed a little more light on why this call isn't always needed? In what situations is it necessary
to call it?
This frees up a few global variables allocated by libxml2. A few
kilobytes at most, but if they get deallocated while somehow the library
is still in use, the application is very likely to crash.
So never call this in a library.
In an app the only safe place to call it is close to the exit
It's still useful to make sure there is no memory leak when running a
program under valgrind or equivalent memory checker.
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel veillard com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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