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Re: coreutils 5.92, rm <dir> on Solaris, bad error message

From: Bob Proulx
Subject: Re: coreutils 5.92, rm <dir> on Solaris, bad error message
Date: Wed, 2 Nov 2005 09:32:48 -0700
User-agent: Mutt/1.5.9i

Paul Eggert wrote:
> Jim Meyering <address@hidden> writes:
> > +      /* Upon a failed attempt to unlink a directory, Solaris 9 sets
> > +    errno to EPERM.
> One suggestion for the comment.  The behavior in question (namely,
> unlink (dir) fails with errno==EPERM) is not just Solaris 9: it's
> required by POSIX.  Linux is the odd man out here (though I think that
> the Linux behavior is better, actually).  See, for example,
> <http://www.linuxbase.org/spec/refspecs/LSB_1.2.0/gLSB/baselib-unlink-3.html>.
> So perhaps the comment should read "most non-Linux systems set errno
> to the POSIX-required value EPERM".

If you don't mind additional word-smithing I would say this
differently still.  I don't generally like negative logic such as
non-this or not-that and would prefer positive set groups.

  Traditional and POSIX systems return EPERM but Linux intentionally
  returns EISDIR to improve upon the situation.


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