Clarify the requirements for the Destination parameter of UnicodeStrToAsciiStr.

[mirror_edk2.git] / InOsEmuPkg / Library / ThunkPpiList / ThunkPpiList.c

/** @file\r
  Emulator Thunk to abstract OS services from pure EFI code\r
\r
  Copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r
  Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
  \r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/BaseLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
\r
\r
UINTN                   gThunkPpiListSize = 0;\r
EFI_PEI_PPI_DESCRIPTOR  *gThunkPpiList = NULL;\r
\r
\r
\r
EFI_PEI_PPI_DESCRIPTOR *\r
GetThunkPpiList (\r
  VOID\r
  )\r
{\r
  UINTN Index;\r
  \r
  if (gThunkPpiList == NULL) {\r
    return NULL;\r
  }\r
\r
  Index = (gThunkPpiListSize/sizeof (EFI_PEI_PPI_DESCRIPTOR)) - 1;\r
  gThunkPpiList[Index].Flags |= EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
  \r
  return gThunkPpiList;\r
}\r
\r
\r
EFI_STATUS\r
EFIAPI\r
AddThunkPpi (\r
  IN  UINTN     Flags,\r
  IN  EFI_GUID  *Guid,\r
  IN  VOID      *Ppi\r
  )\r
{\r
  UINTN Index;\r
\r
  gThunkPpiList = ReallocatePool (\r
                    gThunkPpiListSize,\r
                    gThunkPpiListSize + sizeof (EFI_PEI_PPI_DESCRIPTOR),\r
                    gThunkPpiList\r
                    );\r
  if (gThunkPpiList == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
  \r
  Index = (gThunkPpiListSize/sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
  gThunkPpiList[Index].Flags = Flags;\r
  gThunkPpiList[Index].Guid  = Guid;\r
  gThunkPpiList[Index].Ppi   = Ppi;\r
  gThunkPpiListSize += sizeof (EFI_PEI_PPI_DESCRIPTOR);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
\r
\r
\r
\r