Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Thu, Jun 9, 2011 at 10:07 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> We are relying on isupper() to not return true
>> when presented with a character fragment in a multibyte locale.
> Based on Jeevan's original message, it seems like that's not always
> the case, at least on Windows.
Hmm. Now that you mention it, I think the same has been said about OSX.
If we need to work around brain-dead isupper() tests, maybe the best
thing is to implement two versions of the loop:
if (encoding is single byte)
... loop as it stands ...
else
... loop without the "else if" part
regards, tom lane