[libvirt] [PATCH] Fix activeDomainList handling
Daniel P. Berrange
berrange at redhat.com
Wed Jan 14 22:35:18 UTC 2009
On Wed, Jan 14, 2009 at 08:27:36PM +0100, Jim Meyering wrote:
> John Levon <levon at movementarian.org> wrote:
> > On Wed, Jan 14, 2009 at 10:53:51AM -0800, john.levon at sun.com wrote:
> >
> >> Fix activeDomainList handling
> >>
> >> It must be NULLed out after free()ing.
> >
> > This one is incomplete - I didn't find the bug since I have to use
> > 0 at 0.so with LIBVIRT_DEBUG. Annoyingly, Solaris printf requires %s
> > parameters to not be NULL, and the debug messages use this Linux feature
> > in several places... new patch soon
>
> That glibc's printf functions accept a NULL parameter for a %s format
> directive is a *mis*feature. As such, I think any code that relies on
> it is buggy, so patches would be most welcome.
Some kind of macro to make it easy to pass params to %s args
would make this less tedious to fix / easier to check
#define nonnull(str) ((str) ? (str) : "<null>")
Daniel
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