util-vserver-0.30.208

[util-vserver.git] / lib / ioctl-setext2flags.hc

diff --git a/lib/ioctl-setext2flags.hc b/lib/ioctl-setext2flags.hc
new file mode 100644 (file)
index 0000000..d237b53
--- /dev/null
+++ b/lib/ioctl-setext2flags.hc
@@ -0,0 +1,56 @@
+// $Id: ioctl-setext2flags.hc,v 1.4 2004/01/23 20:47:32 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//  
+// 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; version 2 of the License.
+//  
+// 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.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "vserver.h"
+#include "ext2fs.h"
+
+#include <sys/ioctl.h>
+
+#ifndef EXT2_IMMUTABLE_FILE_FL
+#  define EXT2_IMMUTABLE_FILE_FL       0x00000010
+#endif
+
+#ifndef EXT2_IMMUTABLE_LINK_FL
+#  define EXT2_IMMUTABLE_LINK_FL       0x00008000
+#endif
+
+static inline ALWAYSINLINE int
+vc_X_set_ext2flags(int fd, long set_flags, long del_flags)
+{
+  long         old_flags = 0;
+  int          rc;
+
+  set_flags = EXT2FLAGS_USER2KERNEL(set_flags);
+  del_flags = EXT2FLAGS_USER2KERNEL(del_flags);
+  
+  if (del_flags!=-1) {
+    if (ioctl(fd, EXT2_IOC_GETFLAGS, &old_flags)==-1) return -1;
+    old_flags &= ~del_flags;
+  }
+
+  old_flags |= set_flags;
+  rc = ioctl(fd, EXT2_IOC_SETFLAGS, &old_flags);
+
+  ENSC_FIX_IOCTL(rc);
+
+  return rc;
+}