CloverBootloader/Library/OcFileLib/GetFileInfo.c
SergeySlice cd23181296 move OcQuirks.plist into config.plist and into GUI menu
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
2020-07-15 20:29:27 +03:00

79 lines
2.0 KiB
C
Executable File

/** @file
Copyright (C) 2019, vit9696. All rights reserved.
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.
**/
#include <Uefi.h>
#include <Guid/FileInfo.h>
#include <Protocol/SimpleFileSystem.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/OcDevicePathLib.h>
#include <Library/OcFileLib.h>
VOID *
GetFileInfo (
IN EFI_FILE_PROTOCOL *File,
IN EFI_GUID *InformationType,
IN UINTN MinFileInfoSize,
OUT UINTN *RealFileInfoSize OPTIONAL
)
{
VOID *FileInfoBuffer;
UINTN FileInfoSize;
EFI_STATUS Status;
FileInfoSize = 0;
FileInfoBuffer = NULL;
Status = File->GetInfo (
File,
InformationType,
&FileInfoSize,
NULL
);
if (Status == EFI_BUFFER_TOO_SMALL && FileInfoSize >= MinFileInfoSize) {
FileInfoBuffer = AllocateZeroPool (FileInfoSize);
if (FileInfoBuffer != NULL) {
Status = File->GetInfo (
File,
InformationType,
&FileInfoSize,
FileInfoBuffer
);
if (!EFI_ERROR(Status)) {
if (RealFileInfoSize != NULL) {
*RealFileInfoSize = FileInfoSize;
}
} else {
FreePool (FileInfoBuffer);
FileInfoBuffer = NULL;
}
}
}
return FileInfoBuffer;
}