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

/** @file\r
  Main file for Help shell level 3 function.\r
\r
  Copyright (c) 2009 - 2011, 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
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
  {L"-usage", TypeFlag},\r
  {L"-section", TypeMaxValue},\r
  {L"-verbose", TypeFlag},\r
  {L"-v", TypeFlag},\r
  {NULL, TypeMax}\r
  };\r
\r
/**\r
  Function for 'help' 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
ShellCommandRunHelp (\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
  CHAR16              *OutText;\r
  CONST COMMAND_LIST  *CommandList;\r
  CONST COMMAND_LIST  *Node;\r
  CHAR16              *CommandToGetHelpOn;\r
  CHAR16              *SectionToGetHelpOn;\r
  CHAR16              *HiiString;\r
  BOOLEAN             Found;\r
  BOOLEAN             HelpPage;\r
\r
  HelpPage            = FALSE;\r
  ProblemParam        = NULL;\r
  ShellStatus         = SHELL_SUCCESS;\r
  OutText             = NULL;\r
  CommandToGetHelpOn  = NULL;\r
  SectionToGetHelpOn  = NULL;\r
  Found               = FALSE;\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, ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    //\r
    // Check for conflicting parameters.\r
    //\r
    if (ShellCommandLineGetFlag(Package, L"-usage")\r
      &&ShellCommandLineGetFlag(Package, L"-section")\r
      &&(ShellCommandLineGetFlag(Package, L"-verbose") || ShellCommandLineGetFlag(Package, L"-v"))\r
     ){\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CON), gShellLevel3HiiHandle);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      //\r
      // Get the command name we are getting help on\r
      //\r
      ASSERT(CommandToGetHelpOn == NULL);\r
      StrnCatGrow(&CommandToGetHelpOn, NULL, ShellCommandLineGetRawValue(Package, 1), 0);\r
      if (CommandToGetHelpOn == NULL && ShellCommandLineGetFlag(Package, L"-?")) {\r
        //\r
        // If we dont have a command and we got a simple -?\r
        // we are looking for help on help command.\r
        //\r
        StrnCatGrow(&CommandToGetHelpOn, NULL, L"help", 0);\r
      }\r
\r
      if (CommandToGetHelpOn == NULL) {\r
        StrnCatGrow(&CommandToGetHelpOn, NULL, L"*", 0);\r
        ASSERT(SectionToGetHelpOn == NULL);\r
        StrnCatGrow(&SectionToGetHelpOn, NULL, L"NAME", 0);\r
      } else {\r
        HelpPage = TRUE;\r
        ASSERT(SectionToGetHelpOn == NULL);\r
        //\r
        // Get the section name for the given command name\r
        //\r
        if (ShellCommandLineGetFlag(Package, L"-section")) {\r
          StrnCatGrow(&SectionToGetHelpOn, NULL, ShellCommandLineGetValue(Package, L"-section"), 0);\r
        } else if (ShellCommandLineGetFlag(Package, L"-usage")) {\r
          StrnCatGrow(&SectionToGetHelpOn, NULL, L"NAME,SYNOPSIS", 0);\r
        } else if (ShellCommandLineGetFlag(Package, L"-verbose") || ShellCommandLineGetFlag(Package, L"-v")) {\r
        } else {\r
          //\r
          // The output of help <command> will display NAME, SYNOPSIS, OPTIONS, DESCRIPTION, and EXAMPLES sections.\r
          //\r
          StrnCatGrow (&SectionToGetHelpOn, NULL, L"NAME,SYNOPSIS,OPTIONS,DESCRIPTION,EXAMPLES", 0);\r
        }\r
      }\r
\r
      if (gUnicodeCollation->StriColl(gUnicodeCollation, CommandToGetHelpOn, L"special") == 0) {\r
        //\r
        // we need info on the special characters\r
        //\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_SC_HEADER), gShellLevel3HiiHandle);\r
        HiiString = HiiGetString(gShellLevel3HiiHandle, STRING_TOKEN(STR_HELP_SC_DATA), NULL);\r
        ShellPrintEx(-1, -1, L"%s", HiiString);\r
        FreePool(HiiString);\r
        Found = TRUE;\r
      } else {\r
        CommandList = ShellCommandGetCommandList(TRUE);\r
        ASSERT(CommandList != NULL);\r
        for ( Node = (COMMAND_LIST*)GetFirstNode(&CommandList->Link)\r
            ; CommandList != NULL && !IsListEmpty(&CommandList->Link) && !IsNull(&CommandList->Link, &Node->Link)\r
            ; Node = (COMMAND_LIST*)GetNextNode(&CommandList->Link, &Node->Link)\r
           ){\r
          //\r
          // Checking execution break flag when print multiple command help information.\r
          //\r
          if (ShellGetExecutionBreakFlag ()) {\r
            break;\r
          } \r
          if ((gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, CommandToGetHelpOn)) ||\r
             (gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL) != NULL && (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, (CHAR16*)(gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL)))))) {\r
            //\r
            // We have a command to look for help on.\r
            //\r
            Status = gEfiShellProtocol->GetHelpText(Node->CommandString, SectionToGetHelpOn, &OutText);\r
            if (EFI_ERROR(Status) || OutText == NULL) {\r
              if (Status == EFI_DEVICE_ERROR) {\r
                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, Node->CommandString);\r
              } else {\r
                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, Node->CommandString);\r
              }\r
              ShellStatus = SHELL_NOT_FOUND;\r
            } else {\r
              if (HelpPage) {\r
                 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_PAGE_COMMAND), gShellLevel3HiiHandle, OutText);\r
              } else {\r
                while (OutText[StrLen(OutText)-1] == L'\r' || OutText[StrLen(OutText)-1] == L'\n' || OutText[StrLen(OutText)-1] == L' ') {\r
                  OutText[StrLen(OutText)-1] = CHAR_NULL;\r
                }\r
                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_COMMAND), gShellLevel3HiiHandle, Node->CommandString, OutText);\r
              }\r
              FreePool(OutText);\r
              OutText = NULL;\r
              Found = TRUE;\r
            }\r
          }\r
        }\r
        //\r
        // Search the .man file for Shell applications (Shell external commands).\r
        //\r
        if (!Found) {\r
          Status = gEfiShellProtocol->GetHelpText (CommandToGetHelpOn, SectionToGetHelpOn, &OutText);\r
          if (EFI_ERROR(Status) || OutText == NULL) {\r
            if (Status == EFI_DEVICE_ERROR) {\r
              ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, CommandToGetHelpOn);\r
            } else {\r
              ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, CommandToGetHelpOn);\r
            }\r
            ShellStatus = SHELL_NOT_FOUND;\r
          } else {\r
            while (OutText[StrLen (OutText) - 1] == L'\r' || OutText[StrLen (OutText) - 1] == L'\n' || OutText[StrLen (OutText) - 1] == L' ') {\r
              OutText[StrLen (OutText)-1] = CHAR_NULL;\r
            }\r
            ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_COMMAND), gShellLevel3HiiHandle, CommandToGetHelpOn, OutText);\r
            if (OutText != NULL) {\r
              FreePool (OutText);\r
              OutText = NULL;\r
            }\r
            Found = TRUE;\r
          }\r
        }\r
      }\r
\r
      if (!Found && ShellStatus == SHELL_SUCCESS) {\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, CommandToGetHelpOn);\r
        ShellStatus = SHELL_NOT_FOUND;\r
      }\r
\r
      //\r
      // free the command line package\r
      //\r
      ShellCommandLineFreeVarList (Package);\r
    }\r
  }\r
  if (CommandToGetHelpOn != NULL) {\r
    FreePool(CommandToGetHelpOn);\r
  }\r
  if (SectionToGetHelpOn != NULL) {\r
    FreePool(SectionToGetHelpOn);\r
  }\r
\r
  return (ShellStatus);\r
}\r
\r
Commit	Line	Data
a405b86d	1	/** @file\r
	2	Main file for Help shell level 3 function.\r
	3	\r
345cd235	4	Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>\r
a405b86d	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#include "UefiShellLevel3CommandsLib.h"\r
	16	\r
	17	#include <Library/ShellLib.h>\r
	18	\r
	19	STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
	20	{L"-usage", TypeFlag},\r
345cd235	21	{L"-section", TypeMaxValue},\r
a405b86d	22	{L"-verbose", TypeFlag},\r
	23	{L"-v", TypeFlag},\r
	24	{NULL, TypeMax}\r
	25	};\r
	26	\r
	27	/**\r
	28	Function for 'help' command.\r
	29	\r
	30	@param[in] ImageHandle Handle to the Image (NULL if Internal).\r
	31	@param[in] SystemTable Pointer to the System Table (NULL if Internal).\r
	32	**/\r
	33	SHELL_STATUS\r
	34	EFIAPI\r
	35	ShellCommandRunHelp (\r
	36	IN EFI_HANDLE ImageHandle,\r
	37	IN EFI_SYSTEM_TABLE *SystemTable\r
	38	)\r
	39	{\r
	40	EFI_STATUS Status;\r
	41	LIST_ENTRY *Package;\r
	42	CHAR16 *ProblemParam;\r
	43	SHELL_STATUS ShellStatus;\r
	44	CHAR16 *OutText;\r
	45	CONST COMMAND_LIST *CommandList;\r
	46	CONST COMMAND_LIST *Node;\r
	47	CHAR16 *CommandToGetHelpOn;\r
	48	CHAR16 *SectionToGetHelpOn;\r
	49	CHAR16 *HiiString;\r
	50	BOOLEAN Found;\r
d51088b7	51	BOOLEAN HelpPage;\r
a405b86d	52	\r
d51088b7	53	HelpPage = FALSE;\r
a405b86d	54	ProblemParam = NULL;\r
	55	ShellStatus = SHELL_SUCCESS;\r
	56	OutText = NULL;\r
	57	CommandToGetHelpOn = NULL;\r
	58	SectionToGetHelpOn = NULL;\r
	59	Found = FALSE;\r
	60	\r
	61	//\r
	62	// initialize the shell lib (we must be in non-auto-init...)\r
	63	//\r
	64	Status = ShellInitialize();\r
	65	ASSERT_EFI_ERROR(Status);\r
	66	\r
	67	Status = CommandInit();\r
	68	ASSERT_EFI_ERROR(Status);\r
	69	\r
	70	//\r
	71	// parse the command line\r
	72	//\r
	73	Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r
	74	if (EFI_ERROR(Status)) {\r
	75	if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
	76	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, ProblemParam);\r
	77	FreePool(ProblemParam);\r
	78	ShellStatus = SHELL_INVALID_PARAMETER;\r
	79	} else {\r
	80	ASSERT(FALSE);\r
	81	}\r
	82	} else {\r
	83	//\r
	84	// Check for conflicting parameters.\r
	85	//\r
	86	if (ShellCommandLineGetFlag(Package, L"-usage")\r
	87	&&ShellCommandLineGetFlag(Package, L"-section")\r
	88	&&(ShellCommandLineGetFlag(Package, L"-verbose") \|\| ShellCommandLineGetFlag(Package, L"-v"))\r
	89	){\r
	90	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CON), gShellLevel3HiiHandle);\r
	91	ShellStatus = SHELL_INVALID_PARAMETER;\r
	92	} else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {\r
	93	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle);\r
	94	ShellStatus = SHELL_INVALID_PARAMETER;\r
	95	} else {\r
	96	//\r
	97	// Get the command name we are getting help on\r
	98	//\r
	99	ASSERT(CommandToGetHelpOn == NULL);\r
	100	StrnCatGrow(&CommandToGetHelpOn, NULL, ShellCommandLineGetRawValue(Package, 1), 0);\r
	101	if (CommandToGetHelpOn == NULL && ShellCommandLineGetFlag(Package, L"-?")) {\r
	102	//\r
	103	// If we dont have a command and we got a simple -?\r
	104	// we are looking for help on help command.\r
	105	//\r
	106	StrnCatGrow(&CommandToGetHelpOn, NULL, L"help", 0);\r
	107	}\r
	108	\r
	109	if (CommandToGetHelpOn == NULL) {\r
	110	StrnCatGrow(&CommandToGetHelpOn, NULL, L"*", 0);\r
	111	ASSERT(SectionToGetHelpOn == NULL);\r
	112	StrnCatGrow(&SectionToGetHelpOn, NULL, L"NAME", 0);\r
	113	} else {\r
d51088b7	114	HelpPage = TRUE;\r
a405b86d	115	ASSERT(SectionToGetHelpOn == NULL);\r
	116	//\r
	117	// Get the section name for the given command name\r
	118	//\r
	119	if (ShellCommandLineGetFlag(Package, L"-section")) {\r
	120	StrnCatGrow(&SectionToGetHelpOn, NULL, ShellCommandLineGetValue(Package, L"-section"), 0);\r
	121	} else if (ShellCommandLineGetFlag(Package, L"-usage")) {\r
	122	StrnCatGrow(&SectionToGetHelpOn, NULL, L"NAME,SYNOPSIS", 0);\r
	123	} else if (ShellCommandLineGetFlag(Package, L"-verbose") \|\| ShellCommandLineGetFlag(Package, L"-v")) {\r
	124	} else {\r
d51088b7	125	//\r
	126	// The output of help <command> will display NAME, SYNOPSIS, OPTIONS, DESCRIPTION, and EXAMPLES sections.\r
	127	//\r
	128	StrnCatGrow (&SectionToGetHelpOn, NULL, L"NAME,SYNOPSIS,OPTIONS,DESCRIPTION,EXAMPLES", 0);\r
a405b86d	129	}\r
	130	}\r
	131	\r
	132	if (gUnicodeCollation->StriColl(gUnicodeCollation, CommandToGetHelpOn, L"special") == 0) {\r
	133	//\r
	134	// we need info on the special characters\r
	135	//\r
	136	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_SC_HEADER), gShellLevel3HiiHandle);\r
	137	HiiString = HiiGetString(gShellLevel3HiiHandle, STRING_TOKEN(STR_HELP_SC_DATA), NULL);\r
	138	ShellPrintEx(-1, -1, L"%s", HiiString);\r
	139	FreePool(HiiString);\r
	140	Found = TRUE;\r
	141	} else {\r
345cd235	142	CommandList = ShellCommandGetCommandList(TRUE);\r
a405b86d	143	ASSERT(CommandList != NULL);\r
	144	for ( Node = (COMMAND_LIST*)GetFirstNode(&CommandList->Link)\r
	145	; CommandList != NULL && !IsListEmpty(&CommandList->Link) && !IsNull(&CommandList->Link, &Node->Link)\r
	146	; Node = (COMMAND_LIST*)GetNextNode(&CommandList->Link, &Node->Link)\r
	147	){\r
d51088b7	148	//\r
	149	// Checking execution break flag when print multiple command help information.\r
	150	//\r
	151	if (ShellGetExecutionBreakFlag ()) {\r
	152	break;\r
	153	} \r
345cd235	154	if ((gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, CommandToGetHelpOn)) \|\|\r
345cd235	155	(gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL) != NULL && (gUnicodeCollation->MetaiMatch(gUnicodeCollation, Node->CommandString, (CHAR16*)(gEfiShellProtocol->GetAlias(CommandToGetHelpOn, NULL)))))) {\r
a405b86d	156	//\r
	157	// We have a command to look for help on.\r
	158	//\r
	159	Status = gEfiShellProtocol->GetHelpText(Node->CommandString, SectionToGetHelpOn, &OutText);\r
	160	if (EFI_ERROR(Status) \|\| OutText == NULL) {\r
345cd235	161	if (Status == EFI_DEVICE_ERROR) {\r
	162	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, Node->CommandString);\r
	163	} else {\r
	164	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, Node->CommandString);\r
	165	}\r
a405b86d	166	ShellStatus = SHELL_NOT_FOUND;\r
a405b86d	167	} else {\r
eafd681e	168	if (HelpPage) {\r
d51088b7	169	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_PAGE_COMMAND), gShellLevel3HiiHandle, OutText);\r
	170	} else {\r
	171	while (OutText[StrLen(OutText)-1] == L'\r' \|\| OutText[StrLen(OutText)-1] == L'\n' \|\| OutText[StrLen(OutText)-1] == L' ') {\r
	172	OutText[StrLen(OutText)-1] = CHAR_NULL;\r
	173	}\r
	174	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_COMMAND), gShellLevel3HiiHandle, Node->CommandString, OutText);\r
a405b86d	175	}\r
a405b86d	176	FreePool(OutText);\r
	177	OutText = NULL;\r
	178	Found = TRUE;\r
	179	}\r
	180	}\r
	181	}\r
d51088b7	182	//\r
	183	// Search the .man file for Shell applications (Shell external commands).\r
	184	//\r
	185	if (!Found) {\r
	186	Status = gEfiShellProtocol->GetHelpText (CommandToGetHelpOn, SectionToGetHelpOn, &OutText);\r
	187	if (EFI_ERROR(Status) \|\| OutText == NULL) {\r
	188	if (Status == EFI_DEVICE_ERROR) {\r
	189	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_INV), gShellLevel3HiiHandle, CommandToGetHelpOn);\r
	190	} else {\r
	191	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, CommandToGetHelpOn);\r
	192	}\r
	193	ShellStatus = SHELL_NOT_FOUND;\r
	194	} else {\r
	195	while (OutText[StrLen (OutText) - 1] == L'\r' \|\| OutText[StrLen (OutText) - 1] == L'\n' \|\| OutText[StrLen (OutText) - 1] == L' ') {\r
	196	OutText[StrLen (OutText)-1] = CHAR_NULL;\r
	197	}\r
	198	ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_HELP_COMMAND), gShellLevel3HiiHandle, CommandToGetHelpOn, OutText);\r
	199	if (OutText != NULL) {\r
	200	FreePool (OutText);\r
	201	OutText = NULL;\r
	202	}\r
	203	Found = TRUE;\r
	204	}\r
	205	}\r
a405b86d	206	}\r
	207	\r
	208	if (!Found && ShellStatus == SHELL_SUCCESS) {\r
	209	ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_HELP_NF), gShellLevel3HiiHandle, CommandToGetHelpOn);\r
	210	ShellStatus = SHELL_NOT_FOUND;\r
	211	}\r
	212	\r
	213	//\r
	214	// free the command line package\r
	215	//\r
	216	ShellCommandLineFreeVarList (Package);\r
	217	}\r
	218	}\r
	219	if (CommandToGetHelpOn != NULL) {\r
	220	FreePool(CommandToGetHelpOn);\r
	221	}\r
	222	if (SectionToGetHelpOn != NULL) {\r
	223	FreePool(SectionToGetHelpOn);\r
	224	}\r
	225	\r
	226	return (ShellStatus);\r
	227	}\r
	228	\r