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Re: [PATCH] utf-16 and utf-32 support in C and C++
On Thu, Mar 13, 2008 at 12:45:36PM -0700, Andrew Pinski wrote:
> On Thu, Mar 13, 2008 at 12:32 PM, Kris Van Hees
> <kris.van.hees@oracle.com> wrote:
> > This patch provides an implementation for support of UTF-16 and UTF-32
> > character data types in C and C++, based on the ISO/IEC draft technical
> > report for C (ISO/IEC JTC1 SC22 WG14 N1040) and the proposal for C++
> > (ISO/IEC JTC1 SC22 WG21 N2249). Neither proposal defines a specific
> > encoding for UTF-16. This implementation uses the target endianness
> > to determine whether UTF-16BE or UTF-16LE will be used.
>
> I have a couple of questions about the ABI with this patch, how does
> char16_t and char32_t get mangled for C++ code. Is this documented
> anywhere? How does promotion work with these types in C++ and C and
> is this tested? I remember reading the technical draft for C and it
> mentioned that the size does not have to exactly 16 (or 32) bytes, so
> it might be best if you added documentation to the extension page
> about this extension.
Let me get back to you on this, because I probably should solve the
following first...
> I don't see any of the testcases attached.
Oops - that is a stupid mistake on my end. Generated the diff without
having it include new files. I'll correct that immediately.
Kris