On 7 Mar '08, at 2:45 PM, Jake wrote:
I have a Cocoa console application that has code that I was sure would leak - [NSNumber alloc] with no corresponding release. But when I run those tools I detect no leak.
If you're just calling literally "[NSNumber alloc]", you're probably just getting a shared placeholder object that's waiting for the -init call to create a new instance of the appropriate class. That's part of the weirdness of class-clusters. But in general it never makes sense to call +alloc without -init.
Even if you initialize the NSNumber, I know that some common values (small integers) are cached for performance reasons, so instead of allocating a new one it might just give you the shared one.
Try something like "[[NSMutableArray alloc] init]", or even good ol' "malloc(1000)".
—Jens
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