need the unsigned value from dl.call()

[Larry Bates]

eliss wrote:
> I'm using dl.call() to call a C function in an external library. It's
> working great so far except for one function, which returns an
> unsigned int in the C version. However, in python it returns a signed
> value to me. How can I get the unsigned value from this? I haven't
> brushed up on my two's complement in a while, so I was hoping someone
> could give me a hand.
> 
> Thanks
> 
> eliss
It is returning 32 bits.  If the sign bit (bit 32) is on it appears as a 
negative number.  Test for negative and multiply the absolute value * 2.
That should get you the unsigned value you want in a long.

-Larry