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Re: if [ -w branching: how to spot a locked USB stick
On Jul 13 08:00, Eric Blake wrote:
> According to Corinna Vinschen on 7/13/2007 7:06 AM:
> >> Actually, this is a cygwin question. Bash's [ command only reports what
> >> access("/h",W_OK) tells it to report,
> >
> > It's the latter. The fact that the USB stick is locked doesn't
> > mean that the permission bits returned by the OS calls are augmented
> > to reflect the fact that the stick is not writable. All permission
> > bits are still intact. Only when actually trying to write to the device,
> > you'll get the Win32 error message equivalent of EROFS.
>
> But POSIX requires access(...,W_OK) to fail with EROFS on a read-only file
> system. Is there any way for cygwin to easily determine this without
> actually attempting a write?
Not that I'm aware of. I added this to my TODO list. However, as
usual, http://cygwin.com/acronyms/#PTC.
Corinna
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Corinna Vinschen Please, send mails regarding Cygwin to
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