> > > I installed the amd64 version of Python 2.6.1 on my Windows XP x64 > > system. I was expecting sys.maxint to be 9223372036854775807 (or 2 ^63 > > -1), but instead I got 2147483647 (i.e., 2^31-1) just like what I got > > from a 32-bit version of Python. Is this by design or does it indicate > > a bug or an installation problem? Thank you very much! > > This is by design. In their infinitive wisdom Microsoft has decided to > make the 'long' C type always a 32 bit signed integer - even on 64bit > systems. On most Unix systems a long is at least 32 bit but usually > sizeof(ptr). >
Ah, this makes sense. Thanks...... The main reason I'm trying 64-bit Python is that I want to write files bigger than 4GB. This should work on Windows x64, right? (i.e., are the pointers bona fide 64 bit?) -lin -- http://mail.python.org/mailman/listinfo/python-list