[boost] Utf8_codecvt_facet for UTF-16 (was:[filesystem][cygwin] Standard conformancefor wide characters)

frederic.bron wrote:

Thanks for the advice but I have absolutely no idea of how to use wide characters. I have never used them. C++ standard does not say what can be done with wide characters. For example how can I read properly a file written in UTF8?

I wanted to reply: std::wifstream f("AFileInUtf8.txt"); f.imbue(std::locale(std::locale(), new boost::utf8_codecvt_facet<wchar_t>); But it seems that the codecvt_facet in boost/libs/detail/utf8_codecvt_facet.cpp only supports UTF-8<=>UCS-4 conversions. It thus seems that it can't be used with wchar_t on a platform where sizeof(wchar_t) != 4, right? Am I missing something?