Re: Bug #33255 (Windows cannot open files with non-ascii names)

[Ben Pfaff]

On Thu, Oct 08, 2015 at 06:47:05PM +0200, John Darrington wrote:
> In addition to the changes I've submitted for review, I think the resolution 
> to this 
> problem involves work in src/data/make-file.c
> 
> The issue is, this module contains a lot of calls to posix file functions, 
> such as 
> open, rename, unlink etc.
> 
> These work in w32 so long as there are no non-ascii characters in the 
> filenames.
> To get other characters to work, we have to do two things:
> 
> 1. Convert the filenames to UTF-16LE
> AND
> 2. replace the function calls by their WideChar equivalents.
> 
> Step 2  however has caveats:
> 
> open --> _wopen is no problem.
> unlink --> _wunlink is no problem.
> rename --> _wrename will not work, because windows rename refuses to 
> overwrite an existing file.  We will 
>       have to use the native Windows function MoveFileW
> 
> Not sure about stat.
> 
> 
> It may end up being easier to have a platform specific implementation of 
> make-file.c
> 
> What do you think?

Can this be fixed in Gnulib somehow?

A system-specific implementation makes sense except that we lack proper
resources to test it.