Re: [HACKERS] UNICODE characters above 0x10000

On Sat, 2004-08-07 at 06:06, Tom Lane wrote:
> Now it's entirely possible that the underlying support is a few bricks
> shy of a load --- for instance I see that pg_utf_mblen thinks there are
> no UTF8 codes longer than 3 bytes whereas your code goes to 4.  I'm not
> an expert on this stuff, so I don't know what the UTF8 spec actually
> says.  But I do think you are fixing the code at the wrong level.

UTF-8 characters can be up to 6 bytes long:
http://www.cl.cam.ac.uk/~mgk25/unicode.html

glibc provides various routines (mb...) for handling Unicode.  How many
of our supported platforms don't have these?  If there are still some
that don't, wouldn't it be better to use the standard routines where
they do exist?

--
Oliver Elphick                                          olly@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA  92C8 39E7 280E 3631 3F0E  1EC0 5664 7A2F A543 10EA
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