Packing/unpacking binary data in C - doubles, 64 bits

[Jerry Feldman]

On 09/11/2009 09:09 AM, bruce.labitt at autoliv.com wrote:
> Here are the sizes run on the two platforms, both 64 bit OS.  Identical.
>
>                                 P4      Cell
> double                  8       8
> float                           4       4
> long double                     16      16
> long signed long                8       8
> long unsigned long      8       8
> signed char                     1       1
> signed long                     8       8
> signed short            2       2
> unsigned char           1       1
> unsigned long           8       8
> unsigned short          2       2
> void *                  8       8
>   
As I mentioned earlier, this is the LP64 convention where longs and
pointers are 64 bits. Windows 64 bit systems use LLP64 where longs are
32-bits but pointers and long longs are 64.

-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846


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