From: hm@hcshh.hcs.de (Hellmuth Michaelis)
Newsgroups: comp.unix.bsd
Subject: [386BSD] cpio patch and new unlink(8) command
Keywords: 386BSD cpio patch new unlink command
Date: 28 Jan 93 13:53:33 GMT
Organization: HCS GmbH, Hamburg, Europe

[I'm posting this for Joerg Wunsch, who is still without news access. He can
 be reached by mail as joerg_wunsch@tcd-dresden.de, joerg@sax.de,
 joerg@ref.tfs.com or wutcd@hadrian.hrz.tu-chemnitz.de. Please redirect all
 questions regarding this posting to him. Thank you! hellmuth]

Hi netters,

again two smaller patches, in the style of Terry's patchkit. Patch
jw004 fixes two bugs in cpio(1)

* when creating cpio archives with `portable' headers (-oc), symbolic
  links fail since they still create a binary header, so the reading
  cpio gets ``out of phase''

* in the case an archive contains a socket device node, the extracting
  cpio incorrectly creates an empty directory with that name, since it
  doesn't know anything about a socket file mode. This has been fixed
  so a complaint from mknod(2) is printed (creating this node is still
  a thing we don't want, but cpio shan't do the wrong action);

Patch jw005 isn't really a patch, it provides a new (simple) command:
unlink(8). Its only thing is performing an unlink(2) system call for
each of its arguments without any additional validation. Of course, it
is only usable by the super-user, but it's the only way getting rid
e.g. of accidently created additional hard links to a directory (with
ln -F).

	J"org

-- 
>>>>>>> J"org Wunsch <<<<<<< : joerg_wunsch@tcd-dresden.de
If anything can go wrong...  : [...!uunet]!mcsun!unido!textild!joerg_wunsch
     .o .o                   : alias: joerg@sax.de, joerg@ref.tfs.com,
       <_      ... IT WILL!  :        wutcd@hadrian.hrz.tu-chemnitz.de
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-- 
hellmuth michaelis    HCS Hanseatischer Computerservice GmbH   hamburg, europe
hm@hcshh.hcs.de              tel: +49/40/55903-170         fax: +49/40/5591486