On 2012-05-12, at 12:37 PM, Quincey Morris wrote:
> P.S. I think there's also another, better solution, but it involves adding a
> method to NSData/NSMutableData via a category:
>
> - (void*) interiorBytes __attribute__ ((objc_returns_inner_pointer)) {
> return self.bytes;
> }
>
> - (void*) mutableInteriorBytes __attribute__
> ((objc_returns_inner_pointer)) {
> return self.mutableBytes;
> }
>
> and never using bytes/mutableBytes directly ever again. Perhaps one day
> bytes/mutableBytes will themselves be marked this way.
So when a method is declared __attribute__ ((objc_returns_inner_pointer)), then
LLVM tracks regular pointers like it would NSObject pointers to see when the
owning object can be dealloced? Just want to make sure I understand.
Dave
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