On 21/10/2009, at 2:40 PM, an0 wrote:
Who owns the unarchived top-level objects' initial positive retain count?
Nobody. That's what "no owning object" means.
Are they retained for outlet connections?
No, because if there is an outlet to them then they are owned.
Or are they just not autoreleased only because they are top-level, regardless of whether there are any outlet connected to them?
They are not autoreleased because that would presumably cause problems for the users of these objects, who don't own them either. If there's an outlet to them, they are owned by whoever declares the outlet.
As it says, "Your code is responsible for releasing these top-level objects".
This is not the big issue it seems. Most nibs don't contain top level objects with no owners. For the very few that do, the objects most likely leak but typically that's no big deal unless you're loading the same nib repeatedly many times.
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