Re: Suggestion: handle utf-8 filename in windows

[Jerome Vuarand <jerome.vuarand@...>]

On Wed, Oct 25, 2017 at 4:00 PM, 云风 Cloud Wu <cloudwu@gmail.com> wrote:
> lua use fopen() in its base lib now, there are too troubles to support
> windows file system because of it :(
>
> I suggest lua use unicode version api of windows in future version, such as
> fopen -> _wfopen , and call MultiByteToWideChar to convert utf-8 filename to
> wchar_t first.
>
> I think let following apis support utf-8 filename in windows would be
> better:
>   loadfile
>   dofile
>   require
>   io.open
>   os.remove
>   os.rename
>   os.execute
>   os.getenv

I maintain a set of patches for Lua [1] and LuaFileSystem [2] that
does exactly that.

It converts all paths from UTF-8 to UTF-16 and calls the WCHAR
variants of the C library functions.

[1] https://bitbucket.org/doub/canopywater/src/tip/srcweb/lua-5.3.4/patches/lua-wstring
[2] https://bitbucket.org/doub/canopywater/src/tip/srcweb/luafilesystem-1.6.3/patches/win32-utf-8