On Sep 15, 2008, at 00:44 , Alex Reynolds wrote:
The %lu with casting seems to run into the same issue as %u: ... 2008-09-14 21:43:07.241 NSUIntTest[19779:10b] NSUInteger: 2 2008-09-14 21:43:07.259 NSUIntTest[19779:10b] NSUInteger: 1 2008-09-14 21:43:07.260 NSUIntTest[19779:10b] NSUInteger: 0 2008-09-14 21:43:07.261 NSUIntTest[19779:10b] NSUInteger: 4294967295 2008-09-14 21:43:07.262 NSUIntTest[19779:10b] NSUInteger: 4294967294 ... Interesting.
It does this because your building a 32-bit app. The NSUInteger will change size in a 64-bit app which is why using %lu and typecasting to (unsigned long) is recommended (this will ensure that you don't get warnings if you build a 64-bit app from the same code). Too demonstrate, recompile your app as such:
gcc -o <myapp> myapp.m -arch x86_64 -framework Foundation(this assumes an Intel processor... if you're using a PPC then use ppc64 instead of x86_64 for the arch).
Jason
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