Magnus Hagander wrote:
> > Claudio Natoli <claudio.natoli@memetrics.com> writes:
> > > Under Win32, stat() returns an st_ino field, but it has no
> > meaning (on
> > > Win2K, and possibly all Win32 variants, it is always 0).
> >
> > MSDN says:
> >
> > Number of the information node (the inode) for the file
> > (UNIX-specific). On UNIX file systems, the inode describes the
> > file date and time stamps, permissions, and content. When files
> > are hard-linked to one another, they share the same inode. The
> > inode, and therefore st_ino, has no meaning in the FAT, HPFS, or
> > NTFS file systems.
> >
> > I wonder if this might return non-zero for some relatively
> > rare Win32 filesystems (say, an NFS share mounted via MS
> > Services For Unix). Perhaps it might be cleaner to consider a
> > zero inode "unknown", and therefore not equal to anything else?
>
> It still returns 0 on a NFS share mounted with SFU (just tested). My bet
> is that it will always return 0.
>
> Might still be cleaner to change the code to make "zero equals unknown".
> Is there a risk of another filesystem om some platform that won't return
> inode?
In reading the patch, it seems he is only doing "zero equals unknown" on
Win32, so I think we are fine. We should continue using the inode on
Unix platforms.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
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