C++ EFI_FILE_HANDLE::Delete方法代码示例

本文整理汇总了C++中EFI_FILE_HANDLE::Delete方法的典型用法代码示例。如果您正苦于以下问题：C++ EFI_FILE_HANDLE::Delete方法的具体用法？C++ EFI_FILE_HANDLE::Delete怎么用？C++ EFI_FILE_HANDLE::Delete使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类EFI_FILE_HANDLE的用法示例。

在下文中一共展示了EFI_FILE_HANDLE::Delete方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: AllocateZeroPool

EFI_STATUS
EFIAPI
RemoveFileLock(
  IN EFI_FILE_HANDLE CurDir,
  IN CHAR16	*  FileNameUser
  )
{
	EFI_STATUS						Status = EFI_SUCCESS;
	EFI_FILE_HANDLE  FileHandle;
	CHAR16* FileNameElite;
	
	FileNameElite = AllocateZeroPool(260*sizeof(CHAR16));
	
	StrCpy(FileNameElite,FileNameUser);
	StrCat(FileNameElite,FILE_NAME_ELITE);
	StrCat(FileNameElite,g_NAME_ELITE);

	
	Status = CurDir->Open (CurDir, &FileHandle, FileNameElite, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);

	FreePool(FileNameElite);

	if (EFI_ERROR(Status)) 
	{
#ifdef FORCE_DEBUG
		Print(L"Error Open File RemoveFileLock\n");
#endif
		return Status;
	}
	else
	{
#ifdef FORCE_DEBUG
		Print(L"RemoveFileLock OK\n");
#endif
	}


	Status=FileHandle->Delete(FileHandle);
	if( Status != EFI_SUCCESS ) 
	{
#ifdef FORCE_DEBUG
		Print(L"Write RemoveFileLock File Failed\n");
#endif
		return Status;
	}

	return EFI_SUCCESS;
}

开发者ID:JohnTroony，项目名称:vector-edk，代码行数:48，代码来源:fsbg.c

示例2: while


//.........这里部分代码省略.........
            //
            // The file not exist, create it
            //
            Status = SctCreateFile (RootDir, FileName, &Handle);
            if (EFI_ERROR (Status)) {
                RootDir->Close (RootDir);
                return Status;
            }

            //
            // Write the head of Unicode text file
            //
            Buffer[0] = 0xff;
            Buffer[1] = 0xfe;
            BufSize = 2;
            Status = Handle->Write (Handle, &BufSize, Buffer);
            if (EFI_ERROR (Status)) {
                Handle->Close (Handle);
                return Status;
            }
        } else if (EFI_ERROR (Status)) {
            RootDir->Close(RootDir);
            return Status;
        }

        if (OverwriteFile) {
            //
            // Overwrite the file
            //

            //
            // Delete the file
            //
            Status = Handle->Delete (Handle);

            //
            // EFI_FILE.Delete() return a warning status
            //
            if (Status != EFI_SUCCESS) {
                RootDir->Close (RootDir);
                return EFI_UNSUPPORTED;
            }

            //
            // Recreate the file
            //
            Status = RootDir->Open (
                         RootDir,
                         &Handle,
                         FileName,
                         EFI_FILE_MODE_CREATE|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ,
                         0
                     );
            if (EFI_ERROR (Status)) {
                RootDir->Close (RootDir);
                return Status;
            }

            //
            // Write the head of Unicode text file
            //
            Buffer[0] = 0xff;
            Buffer[1] = 0xfe;
            BufSize = 2;
            Status = Handle->Write (Handle, &BufSize, Buffer);
            if (EFI_ERROR (Status)) {

开发者ID:jljusten，项目名称:efi-sct，代码行数:67，代码来源:Output.c

示例3: if

EFI_STATUS
EFIAPI
TrlWriteResetRecord (
  IN EFI_TEST_RECOVERY_LIBRARY_PROTOCOL     *This,
  IN UINTN                                  Size,
  IN VOID                                   *Buffer
  )
/*++

Routine Description:

  One interface function of the TestRecoveryLibrary to write reset record.

Arguments:

  This        - the protocol instance structure.
  Size        - the bytes to be write, it can't bigger than 1024Bytes.
  Buffer      - buffer contain the record to be written.

Returns:

  EFI_SUCCESS           - write the record successfully.
  EFI_INVALID_PARAMETER - invalid parameters.

--*/
{
  EFI_STATUS                          Status;
  EFI_HANDLE                          DeviceHandle;
  EFI_FILE_HANDLE                     RootDir;
  EFI_FILE_HANDLE                     Handle;
  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL     *Vol;
  TEST_RECOVERY_PRIVATE_DATA          *Private;
  EFI_DEVICE_PATH_PROTOCOL            *PreDevicePath;

  Private = TEST_RECOVERY_PRIVATE_DATA_FROM_TRL (This);

  //
  //  Determine device handle for fs protocol on specified device path
  //
  PreDevicePath = Private->DevicePath;
  Status = gBS->LocateDevicePath (
                  &gEfiSimpleFileSystemProtocolGuid,
                  &PreDevicePath,
                  &DeviceHandle
                  );
  if (EFI_ERROR (Status)) {
    return Status;
  }

  //
  //  Determine volume for file system on device handle
  //
  Status = gBS->HandleProtocol (
                  DeviceHandle,
                  &gEfiSimpleFileSystemProtocolGuid,
                  (VOID*)&Vol
                  );
  if (EFI_ERROR (Status)) {
    return Status;
  }

  //
  // Open volume for file system on device path
  //
  Status = Vol->OpenVolume (Vol, &RootDir);
  if (EFI_ERROR (Status)) {
    return Status;
  }

  //
  // Open file for read
  //
  Status = RootDir->Open (
                      RootDir,
                      &Handle,
                      Private->FileName,
                      EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                      0
                      );
  if (Status == EFI_NOT_FOUND) {
    //
    // The file not exist, create it
    //
    Status = RootDir->Open (
                        RootDir,
                        &Handle,
                        Private->FileName,
                        EFI_FILE_MODE_CREATE|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ,
                        0
                        );
    if (EFI_ERROR (Status)) {
      RootDir->Close (RootDir);
      return Status;
    }
  } else if (Status == EFI_SUCCESS) {
    //
    // The file exist, delete it
    //
    Status = Handle->Delete (Handle);
    //
//.........这里部分代码省略.........

开发者ID:jljusten，项目名称:efi-sct，代码行数:101，代码来源:TestRecovery.c

示例4: GetMyVol

/**
  Write a file.

  @param[in] FileName        The file to be written.
  @param[in] BufferSize      The file buffer size
  @param[in] Buffer          The file buffer

  @retval EFI_SUCCESS    Write file successfully
**/
EFI_STATUS
WriteFileFromBuffer (
  IN  CHAR16                               *FileName,
  IN  UINTN                                BufferSize,
  IN  VOID                                 *Buffer
  )
{
  EFI_STATUS                        Status;
  EFI_FILE_HANDLE                   RootDir;
  EFI_FILE_HANDLE                   Handle;
  UINTN                             TempBufferSize;
  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL   *Vol;

  Vol = GetMyVol();
  if (Vol == NULL) {
    return EFI_NOT_FOUND;
  }

  //
  // Open the root directory
  //
  Status = Vol->OpenVolume (Vol, &RootDir);
  if (EFI_ERROR (Status)) {
    return Status;
  }

  //
  // Open the file
  //
  Status = RootDir->Open (
                      RootDir,
                      &Handle,
                      FileName,
                      EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE| EFI_FILE_MODE_CREATE,
                      0
                      );
  if (EFI_ERROR (Status)) {
    RootDir->Close (RootDir);
    return Status;
  }

  //
  // Delete file
  //
  Status = Handle->Delete(Handle);
  if (EFI_ERROR(Status)) {
    return Status;
  }

  //
  // Open the file again
  //
  Status = RootDir->Open (
                      RootDir,
                      &Handle,
                      FileName,
                      EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE| EFI_FILE_MODE_CREATE,
                      0
                      );
  if (EFI_ERROR (Status)) {
    RootDir->Close (RootDir);
    return Status;
  }

  RootDir->Close (RootDir);

  //
  // Write the file data from the buffer
  //
  TempBufferSize = BufferSize;
  Status = Handle->Write (
                     Handle,
                     &TempBufferSize,
                     Buffer
                     );
  if (EFI_ERROR (Status)) {
    Handle->Close (Handle);
    return Status;
  }

  Handle->Close (Handle);

  return EFI_SUCCESS;
}

开发者ID:bale-john，项目名称:edk2，代码行数:93，代码来源:AppSupport.c

示例5: GetFloppyDevicePath

/**
 *  Write a file to floppy disk.
 */
EFI_STATUS
WriteFloppyFile (
  IN CHAR16      *FileName,
  IN OUT UINT32  Length,
  IN VOID        *Buffer
  )
{
  EFI_STATUS                          Status;
  EFI_HANDLE                          DeviceHandle;
  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL     *Vol;
  EFI_FILE_HANDLE                     RootDir;
  EFI_FILE_HANDLE                     Handle;
  EFI_DEVICE_PATH_PROTOCOL            *DevicePath;
  UINTN                               BufLen;

  //
  // Get floppy device path
  //
  Status = GetFloppyDevicePath (&DevicePath);
  if (EFI_ERROR(Status)) {
    return Status;
  }

  //
  //  Determine device handle for fs protocol on floppy device path
  //
  Status = gtBS->LocateDevicePath (
                   &gEfiSimpleFileSystemProtocolGuid,
                   &DevicePath,
                   &DeviceHandle
                   );
  if (EFI_ERROR(Status) ) {
    return Status;
  }

  //
  //  Determine volume for file system on device handle
  //
  Status = gtBS->HandleProtocol (
                   DeviceHandle,
                   &gEfiSimpleFileSystemProtocolGuid,
                   (VOID*)&Vol
                   );
  if (EFI_ERROR(Status) ) {
    return Status;
  }

  //
  // Open volume for file system on device path
  //
  Status = Vol->OpenVolume (Vol, &RootDir);
  if (Status == EFI_MEDIA_CHANGED) {
    //
    // Reopen the volume
    //
    Status = gtBS->HandleProtocol (
                     DeviceHandle,
                     &gEfiSimpleFileSystemProtocolGuid,
                     (VOID*)&Vol
                     );
    if (EFI_ERROR(Status) ) {
      return Status;
    }
    Status = Vol->OpenVolume (Vol, &RootDir);
  }
  if (EFI_ERROR(Status) ) {
    return Status;
  }

  //
  // Determine the existence of the file
  //
  Status = RootDir->Open (
                      RootDir,
                      &Handle,
                      FileName,
                      EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE,
                      0
                      );
  if ((Status != EFI_SUCCESS) && (Status != EFI_NOT_FOUND)) {
    RootDir->Close (RootDir);
    return Status;
  }

  if (Status == EFI_SUCCESS) {
    //
    // Delete the existent file
    //
    Status = Handle->Delete (Handle);
    if (Status != EFI_SUCCESS) {
      Handle->Close (Handle);
      RootDir->Close (RootDir);
      return Status;
    }
  }

  //
//.........这里部分代码省略.........

开发者ID:jljusten，项目名称:efi-sct，代码行数:101，代码来源:BisBBTestMain.c

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