[PATCH 0/3] CPU frequency scaling addon

[Holger Macht]

On Mon 14. Aug - 17:17:12, David Zeuthen wrote:
> On Mon, 2006-08-14 at 22:34 +0200, Holger Macht wrote:
> > > I'm guessing the addon needs to return an array of strings, rather than
> > > a variable message length list of strings. I know changing the message
> > > format depending on the number of returned values breaks the dbus-glib
> > > bindings for me, and I'm guessing the python bindings the same.
> > 
> > I don't really understand that. Can you please elaborate a bit why this
> > should break any bindings?
> 
> Because it changes the method signature depending on what it returns. So
> if you return two items the signature is
> 
>  foo (OUT string item1, OUT string item2)
> 
> which has signature "ss" and for three items it's
> 
>  foo (OUT string item1, OUT string item2, OUT string item3)
> 
> which has signature "sss". Now, a method with arrays would be
> 
>  foo (OUT string items[])
> 
> which has the constant signature "as". And we need constant signatures
> for the introspection XML to be constant especially as it's used by
> D-Bus binding tools to generate code for actually calling the method.

Ok, agreed.

Regards,
	Holger