diff options
| author | Qing Huang <qing.huang@intel.com> | 2007-12-20 09:16:45 +0000 |
|---|---|---|
| committer | Jordan Justen <jordan.l.justen@intel.com> | 2016-04-06 23:22:43 -0700 |
| commit | b9ec93308b33bcb0bb37d6213a76c3fed0b5bc0b (patch) | |
| tree | ed4cc299df8f82781a6e6fae2022d2411ddc9c89 /FatPkg/EnhancedFatDxe/OpenVolume.c | |
| parent | f0dc69e61bf2316dcf7cc75eb7e4ba374a5b2832 (diff) | |
| download | edk2-platforms-b9ec93308b33bcb0bb37d6213a76c3fed0b5bc0b.tar.xz | |
Add EDK II Prime FatPkg New Feature: Support both Unicode Collation and Unicode Collation 2 Protocols Support both Component Name and Component Name 2 Protocol.
(based on FatPkg commit e51cd032db84a6fb1f44a0605f80d96f5fdf4bc6)
[jordan.l.justen@intel.com: Use script to relicense to 2-clause BSD]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Mark Doran <mark.doran@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'FatPkg/EnhancedFatDxe/OpenVolume.c')
| -rw-r--r-- | FatPkg/EnhancedFatDxe/OpenVolume.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/FatPkg/EnhancedFatDxe/OpenVolume.c b/FatPkg/EnhancedFatDxe/OpenVolume.c new file mode 100644 index 0000000000..723ee127cd --- /dev/null +++ b/FatPkg/EnhancedFatDxe/OpenVolume.c @@ -0,0 +1,80 @@ +/*++
+
+Copyright (c) 2005, Intel Corporation
+All rights reserved. This program and the accompanying materials are licensed and made available
+under the terms and conditions of the BSD License which accompanies this
+distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+Module Name:
+
+ OpenVolume.c
+
+Abstract:
+
+ OpenVolume() function of Simple File System Protocol
+
+Revision History
+
+--*/
+
+#include "Fat.h"
+
+EFI_STATUS
+EFIAPI
+FatOpenVolume (
+ IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
+ OUT EFI_FILE **File
+ )
+/*++
+
+Routine Description:
+
+ Implements Simple File System Protocol interface function OpenVolume().
+
+Arguments:
+
+ This - Calling context.
+ File - the Root Directory of the volume.
+
+Returns:
+
+ EFI_OUT_OF_RESOURCES - Can not allocate the memory.
+ EFI_VOLUME_CORRUPTED - The FAT type is error.
+ EFI_SUCCESS - Open the volume successfully.
+
+--*/
+{
+ EFI_STATUS Status;
+ FAT_VOLUME *Volume;
+ FAT_IFILE *IFile;
+
+ Volume = VOLUME_FROM_VOL_INTERFACE (This);
+ FatAcquireLock ();
+
+ //
+ // Open Root file
+ //
+ Status = FatOpenDirEnt (NULL, &Volume->RootDirEnt);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ //
+ // Open a new instance to the root
+ //
+ Status = FatAllocateIFile (Volume->Root, &IFile);
+ if (!EFI_ERROR (Status)) {
+ *File = &IFile->Handle;
+ }
+
+Done:
+
+ Status = FatCleanupVolume (Volume, Volume->Root, Status);
+ FatReleaseLock ();
+
+ return Status;
+}
|