[CDFS]
[reactos.git] / reactos / 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 /*
20 * COPYRIGHT: See COPYING in the top level directory
21 * PROJECT: ReactOS kernel
22 * FILE: drivers/filesystems/cdfs/close.c
23 * PURPOSE: CDROM (ISO 9660) filesystem driver
24 * PROGRAMMER: Art Yerkes
25 * UPDATE HISTORY:
26 */
27
28 /* INCLUDES *****************************************************************/
29
30 #include "cdfs.h"
31
32 #define NDEBUG
33 #include <debug.h>
34
35 /* FUNCTIONS ****************************************************************/
36
37 NTSTATUS
38 CdfsCloseFile(PDEVICE_EXTENSION DeviceExt,
39 PFILE_OBJECT FileObject)
40 /*
41 * FUNCTION: Closes a file
42 */
43 {
44 PCCB Ccb;
45
46 DPRINT("CdfsCloseFile(DeviceExt %p, FileObject %p)\n",
47 DeviceExt,
48 FileObject);
49
50 Ccb = (PCCB)(FileObject->FsContext2);
51
52 DPRINT("Ccb %p\n", Ccb);
53 if (Ccb == NULL)
54 {
55 return(STATUS_SUCCESS);
56 }
57
58 FileObject->FsContext2 = NULL;
59
60 if (FileObject->FileName.Buffer)
61 {
62 // This a FO, that was created outside from FSD.
63 // Some FO's are created with IoCreateStreamFileObject() insid from FSD.
64 // This FO's don't have a FileName.
65 CdfsReleaseFCB(DeviceExt, FileObject->FsContext);
66 }
67
68 if (Ccb->DirectorySearchPattern.Buffer)
69 {
70 ExFreePoolWithTag(Ccb->DirectorySearchPattern.Buffer, CDFS_SEARCH_PATTERN_TAG);
71 }
72 ExFreePoolWithTag(Ccb, CDFS_CCB_TAG);
73
74 return(STATUS_SUCCESS);
75 }
76
77
78 NTSTATUS NTAPI
79 CdfsClose(
80 PCDFS_IRP_CONTEXT IrpContext)
81 {
82 PIRP Irp;
83 PDEVICE_OBJECT DeviceObject;
84 PDEVICE_EXTENSION DeviceExtension;
85 PIO_STACK_LOCATION Stack;
86 PFILE_OBJECT FileObject;
87 NTSTATUS Status;
88
89 DPRINT("CdfsClose() called\n");
90
91 ASSERT(IrpContext);
92
93 Irp = IrpContext->Irp;
94 DeviceObject = IrpContext->DeviceObject;
95 Stack = IrpContext->Stack;
96
97 if (DeviceObject == CdfsGlobalData->CdFsDeviceObject || DeviceObject == CdfsGlobalData->HddFsDeviceObject)
98 {
99 DPRINT("Closing file system\n");
100 Status = STATUS_SUCCESS;
101 goto ByeBye;
102 }
103
104 FileObject = Stack->FileObject;
105 DeviceExtension = DeviceObject->DeviceExtension;
106
107 Status = CdfsCloseFile(DeviceExtension,FileObject);
108
109 ByeBye:
110 Irp->IoStatus.Information = 0;
111
112 return(Status);
113 }
114
115 /* EOF */