Re: [boost] Boost::UTF

From: David Abrahams (dave_at_[hidden])
Date: 2005-08-16 08:19:44

"Maxim Yegorushkin" <maxim.yegorushkin_at_[hidden]> writes:

> On Sat, 13 Aug 2005 06:15:02 +0400, Cory Nelson <phrosty_at_[hidden]> wrote:
>
>> There has been a good deal of talk on a Unicode library, but I havn't
>> followed it much.  I've been using http://dev.int64.org/snips/utf8.hpp
>> for dealing with UTF-8.  (caveat: expects wchar_t to be UTF-16 or
>> UTF-32)
>
> I've just checked out the source file and spotted:
>
> ret=(
> (((wchar_t)((*iter++)&0x0F)) << 12) |
> (((wchar_t)((*iter++)&0x3F)) << 6) |
> ((wchar_t)((*iter++)&0x3F))
> );
>
> Aren't these increments in the expression source of UB because there are  
> no sequence points between them?

Yes.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com