Re: NLS: utf8 conversions

[Alan Stern]

On Tue, 28 Apr 2009, Clemens Ladisch wrote:

> Alan Stern wrote:
> > Your comments agree pretty well with what I had concluded.  However a 
> > lot of the source files have lengthy tables of wchar_t values; changing 
> > them to 32 bits would waste a lot of space.
> > 
> > As a sort of compromise, I came up with this patch (not tested yet,
> > although it compiles okay).  How does it look to you?
> 
> From a not-having-it-tested-either perspective, it looks good.
> 
> > +utf8_to_utf32(unicode_t *p, const u8 *s, int n)
> > +utf32_to_utf8(u8 *s, unicode_t u, int maxlen)
> > +utf8s_to_utf16s(wchar_t *pwcs, const u8 *s, int n)
> > +utf16s_to_utf8s(u8 *s, const wchar_t *pwcs, int maxlen, int inlen,
> 
> Minor nitpick: You already have enhanced the insane parameter ordering
> of wcsntombs_be(), but the meaning of all these functions' parameters
> would be even more obvious if the buffer size would immediately follow
> the corresponding buffer pointer.

Since these routines are used in so few places, I can easily change the
parameter ordering to something more reasonable (like uni2char and
char2uni, for example).

> Anyway,
> Acked-by: Clemens Ladisch <clemens@xxxxxxxxxx>

Thanks for the review.

Alan Stern

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