general setup.exe status incl network install [was Re: setup ChangeLog IniDBBuilder.h IniDBBuilderPac ...]

Corinna Vinschen
Thu Dec 17 16:07:00 GMT 2009

On Dec 17 16:11, Dave Korn wrote:
> Corinna Vinschen wrote:
> > The question is probably, do we need an unlink-while-you-still-have-an-
> > open-handle-to-the-file functionality which also works on shares?
>   Well, if we're going to support installing to a root on a network drive at
> all, it's not going to run very well without it.
> > Right now it works like this:  If no recycle bin exists, create it.
> > Move the file to the bin and set the delete disposition if possible.
> > Recycle bins only exist on local drives, so shares are out of luck.
> > Two possible workarounds come to mind:
> > 
> > - Rename the file to something really terrible within the same dir.
> > 
> >   - Potential name collisions (need a good algorithm for weird filenames)
> >   - Disallows to remove the parent dir
> >   + Simple
>   This one seems like the best bet.  Can we just reuse mkstemp?

We're on a somewhat lower level using WCHAR pathnames.  Have a look
into function try_to_bin().  What we could do is to
transpose the name into the U+DCxx - U+DFFF low surrogate area for
a start.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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