[mirror_edk2.git] / ShellPkg / Library / UefiShellLevel3CommandsLib / Alias.c

/** @file\r
  Main file for Alias shell level 3 function.\r
\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved. <BR>\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 "UefiShellLevel3CommandsLib.h"\r
\r
#include <Library/ShellLib.h>\r
\r
/**\r
  Print out single alias registered with the Shell.\r
\r
  @param[in]  Alias             Points to the NULL-terminated shell alias.\r
                                If this parameter is NULL, then all\r
                                aliases will be returned in ReturnedData.\r
  @retval     SHELL_SUCCESS     the printout was sucessful\r
**/\r
SHELL_STATUS\r
PrintSingleShellAlias(\r
  IN  CONST CHAR16 *Alias\r
  )\r
{\r
  CONST CHAR16        *ConstAliasVal;\r
  SHELL_STATUS        ShellStatus;\r
  BOOLEAN             Volatile;\r
\r
  ShellStatus = SHELL_SUCCESS;\r
  ConstAliasVal = gEfiShellProtocol->GetAlias (Alias, &Volatile);\r
  if (ConstAliasVal == NULL) {\r
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"alias", Alias);\r
    ShellStatus = SHELL_INVALID_PARAMETER;\r
  } else {\r
    if (ShellCommandIsOnAliasList (Alias)) {\r
      Volatile = FALSE;\r
    }\r
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile ? L' ' : L'*', Alias, ConstAliasVal);\r
  }\r
  return ShellStatus;\r
}\r
\r
/**\r
  Print out each alias registered with the Shell.\r
\r
  @retval STATUS_SUCCESS  the printout was sucessful\r
  @return any return code from GetNextVariableName except EFI_NOT_FOUND\r
**/\r
SHELL_STATUS\r
PrintAllShellAlias(\r
  VOID\r
  )\r
{\r
  CONST CHAR16      *ConstAllAliasList;\r
  CHAR16            *Alias;\r
  CHAR16            *Walker;\r
\r
  ConstAllAliasList = gEfiShellProtocol->GetAlias(NULL, NULL);\r
  if (ConstAllAliasList == NULL) {\r
    return (SHELL_SUCCESS);\r
  }\r
  Alias = AllocateZeroPool(StrSize(ConstAllAliasList));\r
  if (Alias == NULL) {\r
    return (SHELL_OUT_OF_RESOURCES);\r
  }\r
  Walker = (CHAR16*)ConstAllAliasList;\r
\r
  do {\r
    CopyMem(Alias, Walker, StrSize(Walker));\r
    Walker = StrStr(Alias, L";");\r
    if (Walker != NULL) {\r
      Walker[0] = CHAR_NULL;\r
      Walker = Walker + 1;\r
    }\r
    PrintSingleShellAlias(Alias);\r
  } while (Walker != NULL && Walker[0] != CHAR_NULL);\r
\r
  FreePool(Alias);\r
\r
  return (SHELL_SUCCESS);\r
}\r
\r
/**\r
  Changes a shell command alias.\r
\r
  This function creates an alias for a shell command or if Alias is NULL it will delete an existing alias.\r
\r
\r
  @param[in] Command            Points to the NULL-terminated shell command or existing alias.\r
  @param[in] Alias              Points to the NULL-terminated alias for the shell command. If this is NULL, and\r
                                Command refers to an alias, that alias will be deleted.\r
  @param[in] Replace            If TRUE and the alias already exists, then the existing alias will be replaced. If\r
                                FALSE and the alias already exists, then the existing alias is unchanged and\r
                                EFI_ACCESS_DENIED is returned.\r
  @param[in] Volatile           if TRUE the Alias being set will be stored in a volatile fashion.  if FALSE the\r
                                Alias being set will be stored in a non-volatile fashion.\r
\r
  @retval SHELL_SUCCESS        Alias created or deleted successfully.\r
  @retval SHELL_NOT_FOUND       the Alias intended to be deleted was not found\r
  @retval SHELL_ACCESS_DENIED   The alias is a built-in alias or already existed and Replace was set to\r
                                FALSE.\r
  @retval SHELL_DEVICE_ERROR    Command is null or the empty string.\r
**/\r
SHELL_STATUS\r
ShellLevel3CommandsLibSetAlias(\r
  IN CONST CHAR16 *Command,\r
  IN CONST CHAR16 *Alias,\r
  IN BOOLEAN Replace,\r
  IN BOOLEAN Volatile\r
  )\r
{\r
  SHELL_STATUS        ShellStatus;\r
  EFI_STATUS          Status;\r
\r
  ShellStatus = SHELL_SUCCESS;\r
  Status = gEfiShellProtocol->SetAlias (Command, Alias, Replace, Volatile);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_ACCESS_DENIED) {\r
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_AD), gShellLevel3HiiHandle, L"alias");\r
      ShellStatus = SHELL_ACCESS_DENIED;\r
    } else if (Status == EFI_NOT_FOUND) {\r
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_NOT_FOUND), gShellLevel3HiiHandle, L"alias", Command);\r
      ShellStatus = SHELL_NOT_FOUND;\r
    } else {\r
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel3HiiHandle, L"alias", Status);\r
      ShellStatus = SHELL_DEVICE_ERROR;\r
    }\r
  }\r
  return ShellStatus;\r
}\r
\r
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
  {L"-v", TypeFlag},\r
  {L"-d", TypeValue},\r
  {NULL, TypeMax}\r
  };\r
\r
/**\r
  Function for 'alias' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunAlias (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  LIST_ENTRY          *Package;\r
  CHAR16              *ProblemParam;\r
  SHELL_STATUS        ShellStatus;\r
  CONST CHAR16        *Param1;\r
  CONST CHAR16        *Param2;\r
  CONST CHAR16        *ParamStrD;\r
  CHAR16              *CleanParam2;\r
  BOOLEAN             DeleteFlag;\r
  BOOLEAN             VolatileFlag;\r
\r
  ProblemParam        = NULL;\r
  ShellStatus         = SHELL_SUCCESS;\r
  CleanParam2         = NULL;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"alias", ProblemParam);  \r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    Param1 = ShellCommandLineGetRawValue(Package, 1);\r
    Param2 = ShellCommandLineGetRawValue(Package, 2);\r
\r
    DeleteFlag   = ShellCommandLineGetFlag (Package, L"-d");\r
    VolatileFlag = ShellCommandLineGetFlag (Package, L"-v");\r
\r
    if (Param2 != NULL) {\r
      CleanParam2 = AllocateCopyPool (StrSize(Param2), Param2);\r
      if (CleanParam2 == NULL) {\r
        ShellCommandLineFreeVarList (Package);\r
        return SHELL_OUT_OF_RESOURCES;\r
      }\r
\r
      if (CleanParam2[0] == L'\"' && CleanParam2[StrLen(CleanParam2)-1] == L'\"') {\r
        CleanParam2[StrLen(CleanParam2)-1] = L'\0';\r
        CopyMem (CleanParam2, CleanParam2 + 1, StrSize(CleanParam2) - sizeof(CleanParam2[0]));\r
      }\r
    }\r
\r
    if (!DeleteFlag && !VolatileFlag) {\r
      switch (ShellCommandLineGetCount (Package)) {\r
        case 1:\r
          //\r
          // "alias"\r
          //\r
          ShellStatus = PrintAllShellAlias ();\r
          break;\r
        case 2:\r
          //\r
          // "alias Param1"\r
          //\r
          ShellStatus = PrintSingleShellAlias (Param1);\r
          break;\r
        case 3:\r
          //\r
          // "alias Param1 CleanParam2"\r
          //\r
          ShellStatus = ShellLevel3CommandsLibSetAlias (CleanParam2, Param1, FALSE, VolatileFlag);\r
          break;\r
        default:\r
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
      }\r
    } else if (DeleteFlag) {\r
      if (VolatileFlag || ShellCommandLineGetCount (Package) > 1) {\r
        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");\r
        ShellStatus = SHELL_INVALID_PARAMETER;\r
      } else {\r
        ParamStrD = ShellCommandLineGetValue (Package, L"-d");\r
        if (ParamStrD == NULL) {\r
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"alias");\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
        } else {\r
          //\r
          // Delete an alias: "alias -d ParamStrD"\r
          //\r
          ShellStatus = ShellLevel3CommandsLibSetAlias (ParamStrD, NULL, TRUE, FALSE);\r
        }\r
      }\r
    } else {\r
      //\r
      // Set volatile alias.\r
      //\r
      ASSERT (VolatileFlag);\r
      ASSERT (!DeleteFlag); \r
      switch (ShellCommandLineGetCount (Package)) {\r
        case 1:\r
        case 2:\r
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"alias");\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
          break;\r
        case 3:\r
          //\r
          // "alias -v Param1 CleanParam2"\r
          //\r
          ShellStatus = ShellLevel3CommandsLibSetAlias (CleanParam2, Param1, FALSE, VolatileFlag);\r
          break;\r
        default:\r
          ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
      }\r
    }\r
    //\r
    // free the command line package\r
    //\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
\r
  SHELL_FREE_NON_NULL (CleanParam2);\r
  return (ShellStatus);\r
}\r
Commit	Line	Data
	1	/** @file\r
	2	Main file for Alias shell level 3 function.\r
	3	\r
	4	(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
	5	Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved. <BR>\r
	6	This program and the accompanying materials\r
	7	are licensed and made available under the terms and conditions of the BSD License\r
	8	which accompanies this distribution. The full text of the license may be found at\r
	9	http://opensource.org/licenses/bsd-license.php\r
	10	\r
	11	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	12	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	13	\r
	14	**/\r
	15	\r
	16	#include "UefiShellLevel3CommandsLib.h"\r
	17	\r
	18	#include <Library/ShellLib.h>\r
	19	\r
	20	/**\r
	21	Print out single alias registered with the Shell.\r
	22	\r
	23	@param[in] Alias Points to the NULL-terminated shell alias.\r
	24	If this parameter is NULL, then all\r
	25	aliases will be returned in ReturnedData.\r
	26	@retval SHELL_SUCCESS the printout was sucessful\r
	27	**/\r
	28	SHELL_STATUS\r
	29	PrintSingleShellAlias(\r
	30	IN CONST CHAR16 *Alias\r
	31	)\r
	32	{\r
	33	CONST CHAR16 *ConstAliasVal;\r
	34	SHELL_STATUS ShellStatus;\r
	35	BOOLEAN Volatile;\r
	36	\r
	37	ShellStatus = SHELL_SUCCESS;\r
	38	ConstAliasVal = gEfiShellProtocol->GetAlias (Alias, &Volatile);\r
	39	if (ConstAliasVal == NULL) {\r
	40	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel3HiiHandle, L"alias", Alias);\r
	41	ShellStatus = SHELL_INVALID_PARAMETER;\r
	42	} else {\r
	43	if (ShellCommandIsOnAliasList (Alias)) {\r
	44	Volatile = FALSE;\r
	45	}\r
	46	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_ALIAS_OUTPUT), gShellLevel3HiiHandle, !Volatile ? L' ' : L'*', Alias, ConstAliasVal);\r
	47	}\r
	48	return ShellStatus;\r
	49	}\r
	50	\r
	51	/**\r
	52	Print out each alias registered with the Shell.\r
	53	\r
	54	@retval STATUS_SUCCESS the printout was sucessful\r
	55	@return any return code from GetNextVariableName except EFI_NOT_FOUND\r
	56	**/\r
	57	SHELL_STATUS\r
	58	PrintAllShellAlias(\r
	59	VOID\r
	60	)\r
	61	{\r
	62	CONST CHAR16 *ConstAllAliasList;\r
	63	CHAR16 *Alias;\r
	64	CHAR16 *Walker;\r
	65	\r
	66	ConstAllAliasList = gEfiShellProtocol->GetAlias(NULL, NULL);\r
	67	if (ConstAllAliasList == NULL) {\r
	68	return (SHELL_SUCCESS);\r
	69	}\r
	70	Alias = AllocateZeroPool(StrSize(ConstAllAliasList));\r
	71	if (Alias == NULL) {\r
	72	return (SHELL_OUT_OF_RESOURCES);\r
	73	}\r
	74	Walker = (CHAR16*)ConstAllAliasList;\r
	75	\r
	76	do {\r
	77	CopyMem(Alias, Walker, StrSize(Walker));\r
	78	Walker = StrStr(Alias, L";");\r
	79	if (Walker != NULL) {\r
	80	Walker[0] = CHAR_NULL;\r
	81	Walker = Walker + 1;\r
	82	}\r
	83	PrintSingleShellAlias(Alias);\r
	84	} while (Walker != NULL && Walker[0] != CHAR_NULL);\r
	85	\r
	86	FreePool(Alias);\r
	87	\r
	88	return (SHELL_SUCCESS);\r
	89	}\r
	90	\r
	91	/**\r
	92	Changes a shell command alias.\r
	93	\r
	94	This function creates an alias for a shell command or if Alias is NULL it will delete an existing alias.\r
	95	\r
	96	\r
	97	@param[in] Command Points to the NULL-terminated shell command or existing alias.\r
	98	@param[in] Alias Points to the NULL-terminated alias for the shell command. If this is NULL, and\r
	99	Command refers to an alias, that alias will be deleted.\r
	100	@param[in] Replace If TRUE and the alias already exists, then the existing alias will be replaced. If\r
	101	FALSE and the alias already exists, then the existing alias is unchanged and\r
	102	EFI_ACCESS_DENIED is returned.\r
	103	@param[in] Volatile if TRUE the Alias being set will be stored in a volatile fashion. if FALSE the\r
	104	Alias being set will be stored in a non-volatile fashion.\r
	105	\r
	106	@retval SHELL_SUCCESS Alias created or deleted successfully.\r
	107	@retval SHELL_NOT_FOUND the Alias intended to be deleted was not found\r
	108	@retval SHELL_ACCESS_DENIED The alias is a built-in alias or already existed and Replace was set to\r
	109	FALSE.\r
	110	@retval SHELL_DEVICE_ERROR Command is null or the empty string.\r
	111	**/\r
	112	SHELL_STATUS\r
	113	ShellLevel3CommandsLibSetAlias(\r
	114	IN CONST CHAR16 *Command,\r
	115	IN CONST CHAR16 *Alias,\r
	116	IN BOOLEAN Replace,\r
	117	IN BOOLEAN Volatile\r
	118	)\r
	119	{\r
	120	SHELL_STATUS ShellStatus;\r
	121	EFI_STATUS Status;\r
	122	\r
	123	ShellStatus = SHELL_SUCCESS;\r
	124	Status = gEfiShellProtocol->SetAlias (Command, Alias, Replace, Volatile);\r
	125	if (EFI_ERROR(Status)) {\r
	126	if (Status == EFI_ACCESS_DENIED) {\r
	127	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_AD), gShellLevel3HiiHandle, L"alias");\r
	128	ShellStatus = SHELL_ACCESS_DENIED;\r
	129	} else if (Status == EFI_NOT_FOUND) {\r
	130	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_NOT_FOUND), gShellLevel3HiiHandle, L"alias", Command);\r
	131	ShellStatus = SHELL_NOT_FOUND;\r
	132	} else {\r
	133	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_UK), gShellLevel3HiiHandle, L"alias", Status);\r
	134	ShellStatus = SHELL_DEVICE_ERROR;\r
	135	}\r
	136	}\r
	137	return ShellStatus;\r
	138	}\r
	139	\r
	140	STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
	141	{L"-v", TypeFlag},\r
	142	{L"-d", TypeValue},\r
	143	{NULL, TypeMax}\r
	144	};\r
	145	\r
	146	/**\r
	147	Function for 'alias' command.\r
	148	\r
	149	@param[in] ImageHandle Handle to the Image (NULL if Internal).\r
	150	@param[in] SystemTable Pointer to the System Table (NULL if Internal).\r
	151	**/\r
	152	SHELL_STATUS\r
	153	EFIAPI\r
	154	ShellCommandRunAlias (\r
	155	IN EFI_HANDLE ImageHandle,\r
	156	IN EFI_SYSTEM_TABLE *SystemTable\r
	157	)\r
	158	{\r
	159	EFI_STATUS Status;\r
	160	LIST_ENTRY *Package;\r
	161	CHAR16 *ProblemParam;\r
	162	SHELL_STATUS ShellStatus;\r
	163	CONST CHAR16 *Param1;\r
	164	CONST CHAR16 *Param2;\r
	165	CONST CHAR16 *ParamStrD;\r
	166	CHAR16 *CleanParam2;\r
	167	BOOLEAN DeleteFlag;\r
	168	BOOLEAN VolatileFlag;\r
	169	\r
	170	ProblemParam = NULL;\r
	171	ShellStatus = SHELL_SUCCESS;\r
	172	CleanParam2 = NULL;\r
	173	\r
	174	//\r
	175	// initialize the shell lib (we must be in non-auto-init...)\r
	176	//\r
	177	Status = ShellInitialize();\r
	178	ASSERT_EFI_ERROR(Status);\r
	179	\r
	180	Status = CommandInit();\r
	181	ASSERT_EFI_ERROR(Status);\r
	182	\r
	183	//\r
	184	// parse the command line\r
	185	//\r
	186	Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r
	187	if (EFI_ERROR(Status)) {\r
	188	if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
	189	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"alias", ProblemParam); \r
	190	FreePool(ProblemParam);\r
	191	ShellStatus = SHELL_INVALID_PARAMETER;\r
	192	} else {\r
	193	ASSERT(FALSE);\r
	194	}\r
	195	} else {\r
	196	Param1 = ShellCommandLineGetRawValue(Package, 1);\r
	197	Param2 = ShellCommandLineGetRawValue(Package, 2);\r
	198	\r
	199	DeleteFlag = ShellCommandLineGetFlag (Package, L"-d");\r
	200	VolatileFlag = ShellCommandLineGetFlag (Package, L"-v");\r
	201	\r
	202	if (Param2 != NULL) {\r
	203	CleanParam2 = AllocateCopyPool (StrSize(Param2), Param2);\r
	204	if (CleanParam2 == NULL) {\r
	205	ShellCommandLineFreeVarList (Package);\r
	206	return SHELL_OUT_OF_RESOURCES;\r
	207	}\r
	208	\r
	209	if (CleanParam2[0] == L'\"' && CleanParam2[StrLen(CleanParam2)-1] == L'\"') {\r
	210	CleanParam2[StrLen(CleanParam2)-1] = L'\0';\r
	211	CopyMem (CleanParam2, CleanParam2 + 1, StrSize(CleanParam2) - sizeof(CleanParam2[0]));\r
	212	}\r
	213	}\r
	214	\r
	215	if (!DeleteFlag && !VolatileFlag) {\r
	216	switch (ShellCommandLineGetCount (Package)) {\r
	217	case 1:\r
	218	//\r
	219	// "alias"\r
	220	//\r
	221	ShellStatus = PrintAllShellAlias ();\r
	222	break;\r
	223	case 2:\r
	224	//\r
	225	// "alias Param1"\r
	226	//\r
	227	ShellStatus = PrintSingleShellAlias (Param1);\r
	228	break;\r
	229	case 3:\r
	230	//\r
	231	// "alias Param1 CleanParam2"\r
	232	//\r
	233	ShellStatus = ShellLevel3CommandsLibSetAlias (CleanParam2, Param1, FALSE, VolatileFlag);\r
	234	break;\r
	235	default:\r
	236	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");\r
	237	ShellStatus = SHELL_INVALID_PARAMETER;\r
	238	}\r
	239	} else if (DeleteFlag) {\r
	240	if (VolatileFlag \|\| ShellCommandLineGetCount (Package) > 1) {\r
	241	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");\r
	242	ShellStatus = SHELL_INVALID_PARAMETER;\r
	243	} else {\r
	244	ParamStrD = ShellCommandLineGetValue (Package, L"-d");\r
	245	if (ParamStrD == NULL) {\r
	246	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"alias");\r
	247	ShellStatus = SHELL_INVALID_PARAMETER;\r
	248	} else {\r
	249	//\r
	250	// Delete an alias: "alias -d ParamStrD"\r
	251	//\r
	252	ShellStatus = ShellLevel3CommandsLibSetAlias (ParamStrD, NULL, TRUE, FALSE);\r
	253	}\r
	254	}\r
	255	} else {\r
	256	//\r
	257	// Set volatile alias.\r
	258	//\r
	259	ASSERT (VolatileFlag);\r
	260	ASSERT (!DeleteFlag); \r
	261	switch (ShellCommandLineGetCount (Package)) {\r
	262	case 1:\r
	263	case 2:\r
	264	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle, L"alias");\r
	265	ShellStatus = SHELL_INVALID_PARAMETER;\r
	266	break;\r
	267	case 3:\r
	268	//\r
	269	// "alias -v Param1 CleanParam2"\r
	270	//\r
	271	ShellStatus = ShellLevel3CommandsLibSetAlias (CleanParam2, Param1, FALSE, VolatileFlag);\r
	272	break;\r
	273	default:\r
	274	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"alias");\r
	275	ShellStatus = SHELL_INVALID_PARAMETER;\r
	276	}\r
	277	}\r
	278	//\r
	279	// free the command line package\r
	280	//\r
	281	ShellCommandLineFreeVarList (Package);\r
	282	}\r
	283	\r
	284	SHELL_FREE_NON_NULL (CleanParam2);\r
	285	return (ShellStatus);\r
	286	}\r