deleted file mode 100644
--- a/lib/rename.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/* BSD compatible rename and directory rename function for System V.
-   Copyright (C) 1988, 1990 Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#if STAT_MACROS_BROKEN
-# undef S_ISDIR
-#endif
-
-#if !defined(S_ISDIR) && defined(S_IFDIR)
-# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
-#endif
-
-/* Rename file FROM to file TO.
-   Return 0 if successful, -1 if not. */
-
-int
-rename (char *from, char *to)
-{
-  struct stat from_stats, to_stats;
-
-  if (stat (from, &from_stats))
-    return -1;
-
-  /* Be careful not to unlink `from' if it happens to be equal to `to' or
-     (on filesystems that silently truncate filenames after 14 characters)
-     if `from' and `to' share the significant characters. */
-  if (stat (to, &to_stats))
-    {
-      if (errno != ENOENT)
-        return -1;
-    }
-  else
-    {
-      if ((from_stats.st_dev == to_stats.st_dev)
-          && (from_stats.st_ino == to_stats.st_ino))
-        /* `from' and `to' designate the same file on that filesystem. */
-        return 0;
-
-      if (unlink (to) && errno != ENOENT)
-        return -1;
-    }
-
-#ifdef MVDIR
-
-/* If MVDIR is defined, it should be the full filename of a setuid root
-   program able to link and unlink directories.  If MVDIR is not defined,
-   then the capability of renaming directories may be missing.  */
-
-  if (S_ISDIR (from_stats.st_mode))
-    {
-      /* Need a setuid root process to link and unlink directories. */
-      int status;
-      pid_t pid = fork ();
-      switch (pid)
-	{
-	case -1:		/* Error. */
-	  return -1;		/* errno already set */
-
-	case 0:			/* Child. */
-	  execl (MVDIR, "mvdir", from, to, (char *) 0);
-	  _exit (1);
-
-	default:		/* Parent. */
-	  while (wait (&status) != pid)
-	    /* Do nothing. */ ;
-
-	  if (status)
-	    {
-	      /* MVDIR failed.  */
-	      errno = EIO;
-	      return -1;
-	    }
-	}
-    }
-  else
-
-#endif /* MVDIR */
-
-    {
-      if (link (from, to))
-	return -1;
-      if (unlink (from) && errno != ENOENT)
-	{
-	  unlink (to);
-	  return -1;
-	}
-    }
-  return 0;
-}