drivers/filesystems/cdfs/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 along
  16 *  with this program; if not, write to the Free Software Foundation, Inc.,
  17 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19 /* $Id$
  20 *
  21 * COPYRIGHT:        See COPYING in the top level directory
  22 * PROJECT:          ReactOS kernel
  23 * FILE:             services/fs/cdfs/close.c
  24 * PURPOSE:          CDROM (ISO 9660) filesystem driver
  25 * PROGRAMMER:       Art Yerkes
  26 * UPDATE HISTORY:
  27 */
  28
  29 /* INCLUDES *****************************************************************/
  30
  31 #include "cdfs.h"
  32
  33 #define NDEBUG
  34 #include <debug.h>
  35
  36 /* FUNCTIONS ****************************************************************/
  37
  38 NTSTATUS
  39 CdfsCloseFile(PDEVICE_EXTENSION DeviceExt,
  40               PFILE_OBJECT FileObject)
  41               /*
  42               * FUNCTION: Closes a file
  43               */
  44 {
  45     PCCB Ccb;
  46
  47     DPRINT("CdfsCloseFile(DeviceExt %x, FileObject %x)\n",
  48         DeviceExt,
  49         FileObject);
  50
  51     Ccb = (PCCB)(FileObject->FsContext2);
  52
  53     DPRINT("Ccb %x\n", Ccb);
  54     if (Ccb == NULL)
  55     {
  56         return(STATUS_SUCCESS);
  57     }
  58
  59     FileObject->FsContext2 = NULL;
  60
  61     if (FileObject->FileName.Buffer)
  62     {
  63         // This a FO, that was created outside from FSD.
  64         // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
  65         // This FO's don't have a FileName.
  66         CdfsReleaseFCB(DeviceExt, FileObject->FsContext);
  67     }
  68
  69     if (Ccb->DirectorySearchPattern.Buffer)
  70     {
  71         ExFreePoolWithTag(Ccb->DirectorySearchPattern.Buffer, TAG_CCB);
  72     }
  73     ExFreePoolWithTag(Ccb, TAG_CCB);
  74
  75     return(STATUS_SUCCESS);
  76 }
  77
  78
  79 NTSTATUS NTAPI
  80 CdfsClose(PDEVICE_OBJECT DeviceObject,
  81           PIRP Irp)
  82 {
  83     PDEVICE_EXTENSION DeviceExtension;
  84     PIO_STACK_LOCATION Stack;
  85     PFILE_OBJECT FileObject;
  86     NTSTATUS Status;
  87
  88     DPRINT("CdfsClose() called\n");
  89
  90     if (DeviceObject == CdfsGlobalData->DeviceObject)
  91     {
  92         DPRINT("Closing file system\n");
  93         Status = STATUS_SUCCESS;
  94         goto ByeBye;
  95     }
  96
  97     Stack = IoGetCurrentIrpStackLocation(Irp);
  98     FileObject = Stack->FileObject;
  99     DeviceExtension = DeviceObject->DeviceExtension;
 100
 101     Status = CdfsCloseFile(DeviceExtension,FileObject);
 102
 103 ByeBye:
 104     Irp->IoStatus.Status = Status;
 105     Irp->IoStatus.Information = 0;
 106
 107     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 108     return(Status);
 109 }
 110
 111 /* EOF */
 112