Tue Feb 16 05:47:57 1999 Thomas Bushnell, BSG <tb@mit.edu>

	* io-revoke.c: New file.
	* Makefile (IOSRCS): Add io-revoke.c.

3 files changed, 39 insertions, 2 deletions

diff --git a/libtrivfs/ChangeLog b/libtrivfs/ChangeLog
index be84966d..9d46bb92 100644
--- a/libtrivfs/ChangeLog
+++ b/libtrivfs/ChangeLog
@@ -1,3 +1,8 @@
+Tue Feb 16 05:47:57 1999  Thomas Bushnell, BSG  <tb@mit.edu>
+
+	* io-revoke.c: New file.
+	* Makefile (IOSRCS): Add io-revoke.c.
+
 1999-02-12  Gordon Matzigkeit  <gord@trick.fig.org>
 
 	* open.c (trivfs_open): Add missing `=' from last change.
diff --git a/libtrivfs/Makefile b/libtrivfs/Makefile
index 96ddbe98..58322c15 100644
--- a/libtrivfs/Makefile
+++ b/libtrivfs/Makefile
@@ -1,5 +1,5 @@
 # 
-#   Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation
+#   Copyright (C) 1994, 1995, 1996, 1997, 1999 Free Software Foundation
 #
 #   This program is free software; you can redistribute it and/or
 #   modify it under the terms of the GNU General Public License as
@@ -29,7 +29,7 @@ FSSRCS= dir-link.c dir-mkdir.c dir-mkfile.c dir-lookup.c dir-readdir.c \
 
 IOSRCS=io-async-icky.c io-async.c io-duplicate.c io-map.c io-modes-get.c \
 	io-modes-off.c io-modes-on.c io-modes-set.c io-owner-get.c \
-	io-owner-mod.c io-pathconf.c io-read.c io-readable.c \
+	io-owner-mod.c io-pathconf.c io-read.c io-readable.c io-revoke.c \
 	io-reauthenticate.c io-restrict-auth.c io-seek.c io-select.c \
 	io-stat.c io-stubs.c io-write.c io-version.c io-identity.c
 
diff --git a/libtrivfs/io-revoke.c b/libtrivfs/io-revoke.c
new file mode 100644
index 00000000..5eccc6aa
--- /dev/null
+++ b/libtrivfs/io-revoke.c
@@ -0,0 +1,32 @@
+/* 
+   Copyright (C) 1999 Free Software Foundation
+   Written by Thomas Bushnell, BSG.
+
+   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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+#include "io_S.h"
+
+/* Implement io_revoke as described in <hurd/io.defs>. */
+kern_return_t
+trivfs_S_io_revoke (struct trivfs_protid *cred)
+{
+  /* Revoke of the underlying node is actually generally right,
+     because that will cause actual calls to fail.  In any case,
+     we don't have the ability to check permissions ourselves 
+     correctly. */
+
+  return cred ? io_revoke (cred->realnode) : EOPNOTSUPP;
+}