[Ctypes-devel] Order matters when using _pack_ attribute

[Tim F. <tf...@co...>]

Hello,

The following is a possible bug report.

Gccxml 0.7.0 doesn't like the following:

#if defined( __GNUC__ )
#  define GCC_PACK __attribute__ ((aligned (1),packed))
#endif

typedef struct AStruct {
// some stuff here
} GCC_PACK AStruct;

and errors out with:
error: syntax error before `__attribute__'
even though __attribute__ has been around in GCC for a long time.

I tested out adding _pack_ = 1 to the generated python code but found out
that it doesn't work unless it is added _before_ fields is defined.  My
expectation was that it was order independent.

OK, since I have lots and lots of these structs, I was determined to add a
command line option for global packing to xml2py, which I did.  Let me
know if you'd like it.  I commented out all of the assertions for size and
offset as I am using another method to verify everything.

Please reply via email as I haven't subscribed.

Regards,
Tim