ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Clipboard.c

   1 /** @file
   2     Functions to deal with Clip Board
   3
   4   Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "HexEditor.h"
  16
  17 HEFI_EDITOR_CLIPBOARD HClipBoard;
  18
  19 //
  20 // for basic initialization of HClipBoard
  21 //
  22 HEFI_EDITOR_CLIPBOARD HClipBoardConst = {
  23   NULL,
  24   0
  25 };
  26
  27 EFI_STATUS
  28 HClipBoardInit (
  29   VOID
  30   )
  31 /*++
  32
  33 Routine Description:
  34
  35   Initialization function for HDiskImage
  36
  37 Arguments:
  38
  39   None
  40
  41 Returns:
  42
  43   EFI_SUCCESS
  44   EFI_LOAD_ERROR
  45
  46 --*/
  47 {
  48   //
  49   // basiclly initialize the HDiskImage
  50   //
  51   CopyMem (&HClipBoard, &HClipBoardConst, sizeof (HClipBoard));
  52
  53   return EFI_SUCCESS;
  54 }
  55
  56 EFI_STATUS
  57 HClipBoardCleanup (
  58   VOID
  59   )
  60 /*++
  61
  62 Routine Description:
  63
  64   Initialization function for HDiskImage
  65
  66 Arguments:
  67
  68   None
  69
  70 Returns:
  71
  72   EFI_SUCCESS
  73   EFI_LOAD_ERROR
  74
  75 --*/
  76 {
  77
  78   SHELL_FREE_NON_NULL (HClipBoard.Buffer);
  79
  80   return EFI_SUCCESS;
  81 }
  82
  83 EFI_STATUS
  84 HClipBoardSet (
  85   IN UINT8 *Buffer,
  86   IN UINTN Size
  87   )
  88 {
  89   //
  90   // free the old clipboard buffer
  91   // and set new clipboard buffer
  92   //
  93   SHELL_FREE_NON_NULL (HClipBoard.Buffer);
  94   HClipBoard.Buffer = Buffer;
  95
  96   HClipBoard.Size   = Size;
  97
  98   return EFI_SUCCESS;
  99 }
 100
 101 UINTN
 102 HClipBoardGet (
 103   OUT UINT8  **Buffer
 104   )
 105 {
 106   //
 107   // return the clipboard buffer
 108   //
 109   *Buffer = HClipBoard.Buffer;
 110
 111   return HClipBoard.Size;
 112 }