reactos/drivers/fs/ntfs/close.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2002 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id: close.c,v 1.1 2003/07/17 13:31:39 chorns Exp $
  20  *
  21  * COPYRIGHT:        See COPYING in the top level directory
  22  * PROJECT:          ReactOS kernel
  23  * FILE:             services/fs/ntfs/close.c
  24  * PURPOSE:          NTFS filesystem driver
  25  * PROGRAMMER:       Art Yerkes
  26  * UPDATE HISTORY:
  27  */
  28
  29 /* INCLUDES *****************************************************************/
  30
  31 #include <ddk/ntddk.h>
  32
  33 //#define NDEBUG
  34 #include <debug.h>
  35
  36 #include "ntfs.h"
  37
  38
  39 /* FUNCTIONS ****************************************************************/
  40
  41 static NTSTATUS
  42 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
  43               PFILE_OBJECT FileObject)
  44 /*
  45  * FUNCTION: Closes a file
  46  */
  47 {
  48   PCCB Ccb;
  49
  50   DPRINT("NtfsCloseFile(DeviceExt %x, FileObject %x)\n",
  51          DeviceExt,
  52          FileObject);
  53
  54   Ccb = (PCCB)(FileObject->FsContext2);
  55
  56   DPRINT("Ccb %x\n", Ccb);
  57   if (Ccb == NULL)
  58     {
  59       return(STATUS_SUCCESS);
  60     }
  61
  62   FileObject->FsContext2 = NULL;
  63
  64   if (FileObject->FileName.Buffer)
  65     {
  66       // This a FO, that was created outside from FSD.
  67       // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
  68       // This FO's don't have a FileName.
  69       NtfsReleaseFCB(DeviceExt, FileObject->FsContext);
  70     }
  71
  72   if (Ccb->DirectorySearchPattern)
  73     {
  74       ExFreePool(Ccb->DirectorySearchPattern);
  75     }
  76   ExFreePool(Ccb);
  77
  78   return(STATUS_SUCCESS);
  79 }
  80
  81
  82 NTSTATUS STDCALL
  83 NtfsClose(PDEVICE_OBJECT DeviceObject,
  84           PIRP Irp)
  85 {
  86   PDEVICE_EXTENSION DeviceExtension;
  87   PIO_STACK_LOCATION Stack;
  88   PFILE_OBJECT FileObject;
  89   NTSTATUS Status;
  90
  91   DPRINT("NtfsClose() called\n");
  92
  93   if (DeviceObject == NtfsGlobalData->DeviceObject)
  94     {
  95       DPRINT("Closing file system\n");
  96       Status = STATUS_SUCCESS;
  97       goto ByeBye;
  98     }
  99
 100   Stack = IoGetCurrentIrpStackLocation(Irp);
 101   FileObject = Stack->FileObject;
 102   DeviceExtension = DeviceObject->DeviceExtension;
 103
 104   Status = NtfsCloseFile(DeviceExtension,FileObject);
 105
 106 ByeBye:
 107   Irp->IoStatus.Status = Status;
 108   Irp->IoStatus.Information = 0;
 109
 110   IoCompleteRequest(Irp, IO_NO_INCREMENT);
 111   return(Status);
 112 }