How to best deal with Windows' 16-bit wchar_t ugliness?

Question

I\'m writing a wrapper layer to be used with mingw which provides the application with a virtual UTF-8 environment. Functions which deal with filenames are wrappers which co

Answer 1

I'd do something like #4, but don't generate any output until you're sure the input is valid.

• mbrtowc should decode the entire character. If it's outside the BMP, then output the high surrogate and store the low surrogate in the mbstate_t.
• wcrtomb should store high surrogates in the mbstate_t, then output all 4 UTF-8 bytes if the character is valid.