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Sat Sep 17 05:10:59 EDT 2005 · http://mail.python.org/pipermail/python-list/2005-September/336147.html

Grant Edwards wrote:
> I give up, how do I make this not fail under 2.4?
> 
>   fcntl.ioctl(self.dev.fileno(),0xc0047a80,struct.pack("HBB",0x1c,0x00,0x00))
> 
> I get an OverflowError: long int too large to convert to int
> 
> ioctl() is expecting a 32-bit integer value, and 0xc0047a80 has
> the high-order bit set.  I'm assuming Python thinks it's a
> signed value.  How do I tell Python that 0xc0047a80 is an
> unsigned 32-bit value?

This is fixed in the 2.5 CVS branch, where the ioctl() Python C wrapper
expects an unsigned integer instead of a signed one.

Reinhold

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2.3 -> 2.4: long int too large to convert to int