On Jan 29, 2013, at 09:07 , Jens Alfke <[email protected]> wrote: > Actually this is fine, because free(NULL) is legal. A better example would be > a dealloc that calls CFRelease, because [for some reason] CFRelease does > crash if passed NULL.
Yes, no one is ever going to hire me for my deep Unix knowledge. > I would argue that the bug here is in the dealloc method. Dealloc methods > should be written to run correctly if the init method was not called or had > to back out partway through. (And this is, I think, one of the reasons why > +alloc zeroes out the bytes of an object.) I would agree. However, it would be prudent to assume to there are some dealloc's out there (written by other people, of course) that aren't written defensively against incomplete ivar initialization, and a lot more out there that aren't written defensively against the superclass initialization never having been called at all. _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
