1 files changed, 60 insertions, 0 deletions
diff --git a/libdiskfs/peropen-make.c b/libdiskfs/peropen-make.c
new file mode 100644
index 00000000..887658c7
--- /dev/null
+++ b/libdiskfs/peropen-make.c
@@ -0,0 +1,60 @@
+/* 
+   Copyright (C) 1994, 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
+   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 <sys/file.h>
+
+/* Create and return a new peropen structure on node NP with open
+   flags FLAGS.  */
+struct peropen *
+diskfs_make_peropen (struct node *np, int flags, struct peropen *context)
+{
+  struct peropen *po = malloc (sizeof (struct peropen));
+
+  po->filepointer = 0;
+  po->lock_status = LOCK_UN;
+  po->refcnt = 0;
+  po->openstat = flags;
+  po->np = np;
+
+  if (context)
+    {
+      po->root_parent = context->root_parent;
+      if (po->root_parent != MACH_PORT_NULL)
+	mach_port_mod_refs (mach_task_self (), po->root_parent, 
+			    MACH_PORT_RIGHT_SEND, 1);
+
+      po->shadow_root = context->shadow_root;
+      if (po->shadow_root)
+	diskfs_nref (po->shadow_root);
+
+      po->shadow_root_parent = context->shadow_root_parent;
+      if (po->shadow_root_parent != MACH_PORT_NULL)
+	mach_port_mod_refs (mach_task_self (), po->shadow_root_parent, 
+			    MACH_PORT_RIGHT_SEND, 1);
+    }
+  else
+    {
+      po->root_parent = MACH_PORT_NULL;
+      po->shadow_root_parent = MACH_PORT_NULL;
+      po->shadow_root = _diskfs_chroot_directory ? diskfs_root_node : 0;
+    }
+
+  diskfs_nref (np);
+
+  return po;
+}