reactos/drivers/filesystems/cdfs/close.c

116 lines
3 KiB
C

/*
* ReactOS kernel
* Copyright (C) 2002 ReactOS Team
*
* 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 of the License, 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/filesystems/cdfs/close.c
* PURPOSE: CDROM (ISO 9660) filesystem driver
* PROGRAMMER: Art Yerkes
* UPDATE HISTORY:
*/
/* INCLUDES *****************************************************************/
#include "cdfs.h"
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ****************************************************************/
NTSTATUS
CdfsCloseFile(PDEVICE_EXTENSION DeviceExt,
PFILE_OBJECT FileObject)
/*
* FUNCTION: Closes a file
*/
{
PCCB Ccb;
DPRINT("CdfsCloseFile(DeviceExt %p, FileObject %p)\n",
DeviceExt,
FileObject);
Ccb = (PCCB)(FileObject->FsContext2);
DPRINT("Ccb %p\n", Ccb);
if (Ccb == NULL)
{
return(STATUS_SUCCESS);
}
FileObject->FsContext2 = NULL;
if (FileObject->FileName.Buffer)
{
// This a FO, that was created outside from FSD.
// Some FO's are created with IoCreateStreamFileObject() insid from FSD.
// This FO's don't have a FileName.
CdfsReleaseFCB(DeviceExt, FileObject->FsContext);
}
if (Ccb->DirectorySearchPattern.Buffer)
{
ExFreePoolWithTag(Ccb->DirectorySearchPattern.Buffer, CDFS_SEARCH_PATTERN_TAG);
}
ExFreePoolWithTag(Ccb, CDFS_CCB_TAG);
return(STATUS_SUCCESS);
}
NTSTATUS NTAPI
CdfsClose(
PCDFS_IRP_CONTEXT IrpContext)
{
PIRP Irp;
PDEVICE_OBJECT DeviceObject;
PDEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION Stack;
PFILE_OBJECT FileObject;
NTSTATUS Status;
DPRINT("CdfsClose() called\n");
ASSERT(IrpContext);
Irp = IrpContext->Irp;
DeviceObject = IrpContext->DeviceObject;
Stack = IrpContext->Stack;
if (DeviceObject == CdfsGlobalData->CdFsDeviceObject || DeviceObject == CdfsGlobalData->HddFsDeviceObject)
{
DPRINT("Closing file system\n");
Status = STATUS_SUCCESS;
goto ByeBye;
}
FileObject = Stack->FileObject;
DeviceExtension = DeviceObject->DeviceExtension;
Status = CdfsCloseFile(DeviceExtension,FileObject);
ByeBye:
Irp->IoStatus.Information = 0;
return(Status);
}
/* EOF */