audk/ShellPkg/Library/UefiShellLevel1CommandsLib/Exit.c

91 lines
2.6 KiB
C

/** @file
Main file for exit shell level 1 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel1CommandsLib.h"
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{ L"/b", TypeFlag },
{ NULL, TypeMax }
};
/**
Function for 'exit' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunExit (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINT64 RetVal;
CONST CHAR16 *Return;
ShellStatus = SHELL_SUCCESS;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
Status = CommandInit ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel1HiiHandle, L"exit", ProblemParam);
FreePool (ProblemParam);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
ASSERT (FALSE);
}
} else {
//
// return the specified error code
//
Return = ShellCommandLineGetRawValue (Package, 1);
if (Return != NULL) {
Status = ShellConvertStringToUint64 (Return, &RetVal, FALSE, FALSE);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel1HiiHandle, L"exit", Return);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
//
// If we are in a batch file and /b then pass TRUE otherwise false...
//
ShellCommandRegisterExit ((BOOLEAN)(gEfiShellProtocol->BatchIsActive () && ShellCommandLineGetFlag (Package, L"/b")), RetVal);
ShellStatus = SHELL_SUCCESS;
}
} else {
// If we are in a batch file and /b then pass TRUE otherwise false...
//
ShellCommandRegisterExit ((BOOLEAN)(gEfiShellProtocol->BatchIsActive () && ShellCommandLineGetFlag (Package, L"/b")), 0);
ShellStatus = SHELL_SUCCESS;
}
ShellCommandLineFreeVarList (Package);
}
return (ShellStatus);
}