[bug-diffutils] bug#64811: bug#64811: Win-version now broken

[Paul Eggert]

On 2024-03-01 09:29, Gisle Vanem wrote:
> > > Some added trace shows:
> > >    diff.c(844): &noparent: 0x00007FF6A9438478
> > >    diff.c(1548): file[0].name: 'h:\Cygwin64', st_mode: S_ISDIR, size: 
> > > -1, toplevel: 1
> > >    diff.c(1548): file[1].name: 'f:\Cygwin64', st_mode: S_ISDIR, size: 
> > > -1, toplevel: 1
> >
> > My guess is that 'diff' infers that the two strings name the same 
> > directory,
> > because st_dev and st_ino are identical
> > which means same_file (which uses SAME_INODE) thinks they're the same 
> > file.
>
> In 'stat_size()' you mean?

Although diffutils uses stat_size, I don't think that's the specific 
problem here. I think it's more in diffutils's same_file function, which 
uses SAME_INODE and a bunch of other stuff.