On Sun, May 04, 2014 at 08:07:26AM +0200, Michael Haggerty wrote:
> Please clarify whether you plan to rely on all platforms having "the
> same size and alignment constraints" for correctness, or whether that
> observation of the status quo is only meant to reassure us that this
> change won't cause memory to be wasted on padding.

I plan to write the code portably.  My statement was basically that I
don't expect this to result in more memory being used.  I don't even
plan to write the code assuming that offsetof(struct object_id, oid) is

I have owned SPARC systems, and I have experienced plenty of aggravation
with code that makes unportable alignment assumptions.  I don't want to
make that mistake myself.

brian m. carlson / brian with sandals: Houston, Texas, US
+1 832 623 2791 | http://www.crustytoothpaste.net/~bmc | My opinion only
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