struct module

[Skip Montanaro]

    >> Can someone tell me what I'm missing here?
    >>>> struct.calcsize('H')
    >> 2
    >>>> struct.calcsize('B')
    >> 1
    >>>> struct.calcsize('HB')
    >> 3

    >> wait for it...

    >>>> struct.calcsize('BH')
    >> 4

H has a two-byte alignment requirement.  There's one byte for the "B", then
it has to throw in a pad byte to get the correct word alignment for the
"H".

-- 
Skip Montanaro (skip at pobox.com)
http://www.mojam.com/
http://www.musi-cal.com/