Re: Update on some PRs I'm working on

[Paolo Carlini <pcarlini at unitus dot it>]

Pétur Runólfsson wrote:

> > - 9875 and 9178
> > These are both about deficiencies for encodings > 1. They are
> > not too difficult to fix, IMO. I have already the fixes for
> > 9875, except the underflow bits (yesterday Pétur provided some
> > testcases which I asked).
> >    
> The best fix for underflow() is probably to add
>
> if (gptr() < egptr())
>  return *gptr();
(this vaguely reminds me page 678 of Josuttis ;)

> at the top (of course using traits operators and handling uflow
> correctly). I think the seekoff can then be avoided.
> This code should work for all values of codecvt::encoding(),
> as well as for pipes and other things for which seekoff
> doesn't work.
Thanks Pétur for the suggestion. I will take into account when, in a few 
days I hope,
I will actually get to 9875 and 9178 in detail.

Paolo.