Re: A Great Idea (tm) about reimplementing NLS.

From: Pavel Machek
Date: Mon Jun 20 2005 - 17:56:52 EST


Hi!

> > Actually the day we have rm utf-8-ed, we have a problem. Someone will
> > create two files that have same utf name, encoded differently, and
> > will be in trouble. Remember old > \* "hack"? utf-8 makes variation
> > possible...
>
> They are different to POSIX as they are different byte sequences

Does POSIX really say that all weird characters must be accepted in
path name?

> > If we are serious about utf-8 support in ext3, we should return
> > -EINVAL if someone passes non-canonical utf-8 string.
>
> That would ironically not be standards compliant

I don't see how we can claim ext3 is utf-8 then. If application
vendors believed us and accepted that ext3 filenames are in utf-8,
they'd do wrong thing because kernel is perfectly willing to feed them
non-utf-8 things.

Pavel
--
teflon -- maybe it is a trademark, but it should not be.
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