From 3c54f088017c118a641327aad779891c75fa4025 Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Sun, 15 Sep 2002 22:23:23 +0000
Subject: [PATCH] Added CdfsSetPosition/CdfsSetInformation.

svn path=/trunk/; revision=3507
---
 reactos/drivers/fs/cdfs/cdfs.c  |  4 ++-
 reactos/drivers/fs/cdfs/finfo.c | 61 ++++++++++++++++++++++++++++++++-
 2 files changed, 63 insertions(+), 2 deletions(-)

diff --git a/reactos/drivers/fs/cdfs/cdfs.c b/reactos/drivers/fs/cdfs/cdfs.c
index 845a91b4330..5334cd9b22d 100644
--- a/reactos/drivers/fs/cdfs/cdfs.c
+++ b/reactos/drivers/fs/cdfs/cdfs.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: cdfs.c,v 1.7 2002/09/09 17:27:14 hbirr Exp $
+/* $Id: cdfs.c,v 1.8 2002/09/15 22:23:22 hbirr Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel
@@ -92,6 +92,8 @@ DriverEntry(PDRIVER_OBJECT DriverObject,
     CdfsDirectoryControl;
   DriverObject->MajorFunction[IRP_MJ_QUERY_INFORMATION] =
     CdfsQueryInformation;
+  DriverObject->MajorFunction[IRP_MJ_SET_INFORMATION] = 
+    CdfsSetInformation;
   DriverObject->MajorFunction[IRP_MJ_QUERY_VOLUME_INFORMATION] =
     CdfsQueryVolumeInformation;
   DriverObject->MajorFunction[IRP_MJ_SET_VOLUME_INFORMATION] =
diff --git a/reactos/drivers/fs/cdfs/finfo.c b/reactos/drivers/fs/cdfs/finfo.c
index 11fa70a7543..71b1f9ef2db 100644
--- a/reactos/drivers/fs/cdfs/finfo.c
+++ b/reactos/drivers/fs/cdfs/finfo.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: finfo.c,v 1.4 2002/07/20 11:44:24 ekohl Exp $
+/* $Id: finfo.c,v 1.5 2002/09/15 22:23:23 hbirr Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel
@@ -277,6 +277,19 @@ CdfsGetAllInformation(PFILE_OBJECT FileObject,
   return STATUS_SUCCESS;
 }
 
+static NTSTATUS
+CdfsSetPositionInformation(PFILE_OBJECT FileObject,
+			   PFILE_POSITION_INFORMATION PositionInfo)
+{
+  DPRINT ("CdfsSetPositionInformation()\n");
+
+  DPRINT ("PositionInfo %x\n", PositionInfo);
+  DPRINT ("Setting position %d\n", PositionInfo->CurrentByteOffset.u.LowPart);
+  memcpy (&FileObject->CurrentByteOffset, &PositionInfo->CurrentByteOffset,
+	  sizeof (LARGE_INTEGER));
+
+  return (STATUS_SUCCESS);
+}
 
 NTSTATUS STDCALL
 CdfsQueryInformation(PDEVICE_OBJECT DeviceObject,
@@ -375,4 +388,50 @@ CdfsQueryInformation(PDEVICE_OBJECT DeviceObject,
   return(Status);
 }
 
+NTSTATUS STDCALL
+CdfsSetInformation(PDEVICE_OBJECT DeviceObject,
+		   PIRP Irp)
+/*
+ * FUNCTION: Retrieve the specified file information
+ */
+{
+  FILE_INFORMATION_CLASS FileInformationClass;
+  PIO_STACK_LOCATION Stack;
+  PFILE_OBJECT FileObject;
+  PFCB Fcb;
+  PVOID SystemBuffer;
+
+  NTSTATUS Status = STATUS_SUCCESS;
+
+  DPRINT1("CdfsSetInformation() called\n");
+
+  Stack = IoGetCurrentIrpStackLocation(Irp);
+  FileInformationClass = Stack->Parameters.SetFile.FileInformationClass;
+  FileObject = Stack->FileObject;
+  Fcb = FileObject->FsContext;
+
+  SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
+
+  switch (FileInformationClass)
+    {
+    case FilePositionInformation:
+      Status = CdfsSetPositionInformation(FileObject,
+				          SystemBuffer);
+      break;
+    case FileBasicInformation:
+    case FileRenameInformation:
+      Status = STATUS_NOT_IMPLEMENTED;
+      break;
+    default:
+      Status = STATUS_NOT_SUPPORTED;
+    }
+
+  Irp->IoStatus.Status = Status;
+  Irp->IoStatus.Information = 0;
+
+  IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+  return(Status);
+}
+
 /* EOF */
\ No newline at end of file