Andres Freund <and...@anarazel.de> writes:
> On 2017-03-28 11:25:08 -0400, Tom Lane wrote:
>> Since, per previous agreement, longfin is running with -Werror, we
>> either have to do something about this or revert the decision to make it
>> use -Werror --- and I'm not too pleased about the latter idea. We should
>> not have made that agreement if we were going to abandon it at the first
>> sign of pain.
> If necessary we could do that more targeted with
> -Wno-error=constant-conversion, but I think we should just fix this.
Yeah, that option seems like it would lose important error detection.
>> As noted in the other thread, we could either fix this in a
>> quick-and-dirty way by casting XLR_BLOCK_ID_DATA_SHORT and related
>> values to "char" explicitly, or we could run around and change the
>> target pointer variables to be "unsigned char *".
> I think both are ok with me. Could also just use memcpy instead of
> direct assignment, but that seems too complicated. I'd personally just
> go with Aleksander's casts.
Further investigation says that these warnings now also appear in the
9.5 and 9.6 branches, which were previously warning-clean except for
ye olde unused-variable flex bug. So I'd like a solution that can be
back-patched, which says that the localized casts to char are the way to
go. Maybe somebody else will want to undertake a more general cleanup,
but I don't want to spend time on that right now.
regards, tom lane
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