Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!gem.mps.ohio-state.edu!ginosko!uunet!mcsun!hp4nl!star.cs.vu.nl!maart
From: maart@cs.vu.nl (Maarten Litmaath)
Newsgroups: comp.unix.xenix
Subject: Re: 'Rename' Library Function?
Keywords: rename lib
Message-ID: <3302@solo9.cs.vu.nl>
Date: 19 Sep 89 23:41:43 GMT
References: <[157]unix@oldcolo.UUCP> <1167@ispi.UUCP>
Organization: V.U. Informatica, Amsterdam, the Netherlands
Lines: 24

jbayer@ispi.UUCP (Jonathan Bayer) writes:
\...	if ( (z = link (oldname, newname)) == 0) {
\		z = unlink (oldname);
	}
\
\	if (z) printf ("Sorry -- error in renaming file %s to %s!\n", oldname,
\                 finalname);
\	printf ("error: %d\n",errno);

...leading to `interesting' error messages like:

	error: 25	/* Not a typewriter */

Use something like the following instead:

	if (z) {
		int	saved_errno = errno;

		printf(...);
		printf("error: %d\n", saved_errno);
	}
-- 
   creat(2) shouldn't have been create(2): |Maarten Litmaath @ VU Amsterdam:
      it shouldn't have existed at all.    |maart@cs.vu.nl, mcvax!botter!maart