ac0a286f4d
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the OvmfPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Andrew Fish <afish@apple.com>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/** @file
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EFI_FILE_PROTOCOL.SetPosition() member function for the Virtio Filesystem
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driver.
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Copyright (C) 2020, Red Hat, Inc.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Library/MemoryAllocationLib.h> // FreePool()
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#include "VirtioFsDxe.h"
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EFI_STATUS
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EFIAPI
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VirtioFsSimpleFileSetPosition (
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IN EFI_FILE_PROTOCOL *This,
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IN UINT64 Position
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)
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{
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VIRTIO_FS_FILE *VirtioFsFile;
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VIRTIO_FS *VirtioFs;
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EFI_STATUS Status;
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VIRTIO_FS_FUSE_ATTRIBUTES_RESPONSE FuseAttr;
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VirtioFsFile = VIRTIO_FS_FILE_FROM_SIMPLE_FILE (This);
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//
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// Directories can only be rewound, per spec.
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//
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if (VirtioFsFile->IsDirectory) {
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if (Position != 0) {
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return EFI_UNSUPPORTED;
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}
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VirtioFsFile->FilePosition = 0;
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if (VirtioFsFile->FileInfoArray != NULL) {
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FreePool (VirtioFsFile->FileInfoArray);
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VirtioFsFile->FileInfoArray = NULL;
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}
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VirtioFsFile->SingleFileInfoSize = 0;
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VirtioFsFile->NumFileInfo = 0;
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VirtioFsFile->NextFileInfo = 0;
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return EFI_SUCCESS;
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}
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//
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// Regular file.
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//
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if (Position < MAX_UINT64) {
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//
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// Caller is requesting absolute file position.
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//
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VirtioFsFile->FilePosition = Position;
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return EFI_SUCCESS;
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}
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//
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// Caller is requesting a seek to EOF.
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//
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VirtioFs = VirtioFsFile->OwnerFs;
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Status = VirtioFsFuseGetAttr (VirtioFs, VirtioFsFile->NodeId, &FuseAttr);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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VirtioFsFile->FilePosition = FuseAttr.Size;
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return EFI_SUCCESS;
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}
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