Opening fstream with file with Unicode file name under Windows using non-MSVC compiler

Question

I need to open a file as std::fstream (or actually any other std::ostream) when file name is \"Unicode\" file name.

Under MSVC I have non-standard e

Answer 1

Currently there is no easy solution.

You need to create your own stream buffer that uses _wfopen under the hood. You can use for this for example boost::iostream