How to detect total available/free disk space on the iPhone/iPad device?

Question

I\'m looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically.
Currently I\'m using the NSFileManager to detect the disk s

Answer 1

Don't use 'unsigned', it is only 32 bits which will overflow past 4GB, which is less than the typical iPad/iPhone free space. Use unsigned long long (or uint64_t), and retrieve the value out of the NSNumber as a 64-bit int too using unsignedLongLongValue.