[Linux-ha-dev] LRM Testing (take 2)

[Alan Robertson]

Alan Robertson wrote:
> Jiang Dong Sun wrote:
> 
>> Ok, according to the popular opinion, will change the "uuid"'s format.
>> Before that, please tolerate the inconvenience brought by UUID in LRM 
>> for a while. ;-)
> 
> 
> 
> 
> I'm sorry I was off the list fixing hardware while all this went on...
> 
> The UUID format is the right answer...  It is a standard, actually, and 
> we should just use it.
> 
> Don't mess with it.
> 
> However, it is NOT a string, and cannot be strcmp()ed...  You can use a 
> string provided you NULL-pad the string in every case...
> 
> It is a binary value of 128 bits.
> 
> Making it of arbitrary length overly complicates the interface because 
> you now have to pass the length everywhere you use it - BECAUSE IT IS 
> BINARY, not a string.

It should be 128 *arbitrary *bits.  If you pass 128 bits, then you win. 
There is no such thing as an invalid UUID, when passed as binary. 
abc\0\0\0\0\0\0\0\0\0\0\0\0\0" is a valid UUID  (assuming I counted \0s right).


-- 
     Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me claim 
from you at all times your undisguised opinions." - William Wilberforce