On Sun, Apr 08, 2007 at 12:28:32PM -0700, H. Peter Anvin wrote: > Theodore Tso wrote: > >It doesn't state explicitly that you can use the telldir cookie() > >after closing the directory stream using closedir() and then reopening > >it using opendir(), but given that it states that results are > >undefined after a rewinddir() --- which is much less violent than a > >closedir()/opendir(), I would definitely argue that an application > >programmer would be very ill-advised to rely on this working. > > > >(Of course, I'd argue that an application programmer shouldn't use > >telldir/seekdir at all.....) > > > >Ulrich, is it too late to insert a clarification that the telldir() > >cookie isn't guaranteed to be valid after closedir() *or* rewinddir()? > > More fundamentally, the telldir cookie should never be valid when > applied to a different DIR * (even one that refers to the same directory.)
Well, Joern thought that rm -rf might relying on the telldir cookie being valid in precisely that circumstance. If that is true, I'd argue that this is a BUG in GNU coreutils that should be fixed... - Ted - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/