Hi Feng,
2016-09-27 14:00 GMT+08:00 Gao Feng <fgao@xxxxxxxxxx>:
> Hi Liping,
>
>>
>> This xt_osf_user_finger{} is carefully designed, no padding now, and
>> will not be changed in the future, otherwise backward compatibility will
>> be broken.
>
> Yes, there is no padding now. So it is ok to use memcmp now.
> I am afraid the struct would be modified for other requirements.
This is structure was passed by netlink attribute, so modify it will
break backward compatibility.
>
> If it is never changed forever, it is ok certainly.
>
>>
>> I don't think this convert is necessary, actually it is a little ugly, and will
>> increase the maintenance burden.
>
> I just want the codes don't depend any implicit rule.
>
> It is a tradeoff. If never change, needn't do any convert.
> If may change, the memcmp is a little dangerous.
>
> Regards
> Feng
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