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-rw-r--r--ufs-fsck/pass3.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/ufs-fsck/pass3.c b/ufs-fsck/pass3.c
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+/* Pass 3 of GNU fsck -- Look for disconnected directories
+ Copyright (C) 1994 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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.
+
+ The GNU Hurd 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+pass3 ()
+{
+ struct dirinfo *dnp;
+ int nd;
+ int change;
+
+ /* Mark all the directories that can be found from the root. */
+
+ statemap[ROOTINO] != DIR_REF;
+
+ do
+ {
+ change = 0;
+ for (nd = 0; nd < dirarrayused; nd++)
+ {
+ dnp = dirsorted[nd];
+ if (dnp->i_parent
+ && inodestate[dnp->i_parent] == (DIR | DIR_REF)
+ && inodestate[dnp->i_number] == DIR)
+ {
+ inodestate[dnp->i_number] |= DIR_REF;
+ change = 1;
+ }
+ }
+ }
+ while (change);
+
+ /* Check for orphaned directories */
+ for (nd = 0; nd < dirarrayused; nd++)
+ {
+ dnp = dirsorted[nd];
+
+ if (dnp->i_parent == 0)
+ {
+ assert (!(inodestate[dnp->i_number] & DIR_REF));
+ linkup (dnp->i_number, dnp->i_dotdot);
+ }
+ }
+}
+
+
+
+
+