mirror of
https://github.com/acidanthera/OpenCorePkg.git
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78 lines
2.0 KiB
C
Executable File
78 lines
2.0 KiB
C
Executable File
/** @file
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Copyright (C) 2019, vit9696. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Guid/FileInfo.h>
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#include <Protocol/SimpleFileSystem.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/OcDevicePathLib.h>
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#include <Library/OcFileLib.h>
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VOID *
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GetFileInfo (
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IN EFI_FILE_PROTOCOL *FileHandle,
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IN EFI_GUID *InformationType,
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IN UINTN MinFileInfoSize,
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OUT UINTN *RealFileInfoSize OPTIONAL
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)
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{
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VOID *FileInfoBuffer;
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UINTN FileInfoSize;
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EFI_STATUS Status;
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FileInfoSize = 0;
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FileInfoBuffer = NULL;
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Status = FileHandle->GetInfo (
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FileHandle,
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InformationType,
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&FileInfoSize,
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NULL
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);
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if (Status == EFI_BUFFER_TOO_SMALL && FileInfoSize >= MinFileInfoSize) {
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FileInfoBuffer = AllocateZeroPool (FileInfoSize);
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if (FileInfoBuffer != NULL) {
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Status = FileHandle->GetInfo (
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FileHandle,
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InformationType,
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&FileInfoSize,
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FileInfoBuffer
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);
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if (!EFI_ERROR (Status)) {
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if (RealFileInfoSize != NULL) {
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*RealFileInfoSize = FileInfoSize;
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}
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} else {
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FreePool (FileInfoBuffer);
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FileInfoBuffer = NULL;
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}
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}
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}
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return FileInfoBuffer;
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} |