ShellPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / ShellPkg / Library / UefiShellDebug1CommandsLib / Edit / Misc.c

/** @file\r
  Implementation of various string and line routines.\r
\r
  Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "TextEditor.h"\r
#include "Misc.h"\r
\r
/**\r
  Duplicate a EFI_EDITOR_LINE structure.\r
\r
  @param Src                    The line structure to copy from.\r
\r
  @retval NULL                  A memory allocation failed.\r
  @return                       a pointer to the newly allcoated line.\r
**/\r
EFI_EDITOR_LINE *\r
LineDup (\r
  IN  EFI_EDITOR_LINE *Src\r
  )\r
{\r
  EFI_EDITOR_LINE *Dest;\r
\r
  //\r
  // allocate for the line structure\r
  //\r
  Dest = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r
  if (Dest == NULL) {\r
    return NULL;\r
  }\r
  //\r
  // allocate and set the line buffer\r
  //\r
  Dest->Buffer = CatSPrint (NULL, L"%s", Src->Buffer);\r
  if (Dest->Buffer == NULL) {\r
    FreePool (Dest);\r
    return NULL;\r
  }\r
\r
  //\r
  // set the other structure members\r
  //\r
  Dest->Signature = LINE_LIST_SIGNATURE;\r
  Dest->Size      = Src->Size;\r
  Dest->TotalSize = Dest->Size;\r
  Dest->Type      = Src->Type;\r
  Dest->Link      = Src->Link;\r
\r
  return Dest;\r
}\r
\r
/**\r
  Free a EFI_EDITOR_LINE structure.\r
\r
  @param Src                    The line structure to free.\r
**/\r
VOID\r
LineFree (\r
  IN  EFI_EDITOR_LINE *Src\r
  )\r
{\r
  if (Src == NULL) {\r
    return ;\r
  }\r
  //\r
  // free the line buffer and then the line structure itself\r
  //\r
  SHELL_FREE_NON_NULL (Src->Buffer);\r
  SHELL_FREE_NON_NULL (Src);\r
\r
}\r
\r
\r
\r
\r
\r
\r
\r
\r
\r
\r