On 17 Jul '08, at 6:38 AM, Thomas Engelmeier wrote:

What are my best options to get around that? (Except of using the next larger NSNumber variants to store unsigned values in order to prevent unwanted sign expensions for unsigned values)?

Either require 10.5, or use a larger size. The problem is that NSNumber is just a bridge to CFNumber, which didn't support unsigned types until 10.5. So on 10.4, the fact that you were storing an unsigned 32-bit value got lost when you created the NSNumber.

—Jens

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