Hi Markus,
please do not top post on this mailing list.
> Why can't we get rid off the "typeof" keyword completely and using a
> template similar approach:
>
> ===
>
> #define bt_get_unaligned_tmpl(type, ptr) \
> ({ \
> struct __p_s { \
> type __v; \
> } __attribute__((packed)); \
> struct __p_s *__p = (struct __p_s*)(ptr); \
> __p->__v; \
> })
>
> static inline uint64_t bt_get_le64(void *ptr)
> {
> return bt_get_unaligned_tmpl(uint64_t, ptr);
> }
>
> static inline uint64_t bt_get_be64(void *ptr)
> {
> return bswap_64(bt_get_unaligned_tmpl(uint64_t, ptr));
> }
>
> ===
>
> Okay, the macro parameter type is not encapsulated by parenthesis, but
> it seems okay and working.
> So it seems to be a very more portable solution (IMHO).
what does seems okay and working actually mean? Have you actually
verified on platform that require correct unaligned access to data?
Regards
Marcel
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