udk2010.up2.shell initial release.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10874 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
63
ShellPkg/Library/UefiShellLevel1CommandsLib/Shift.c
Normal file
63
ShellPkg/Library/UefiShellLevel1CommandsLib/Shift.c
Normal file
@ -0,0 +1,63 @@
|
||||
/** @file
|
||||
Main file for Shift shell level 1 function.
|
||||
|
||||
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
|
||||
This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
http://opensource.org/licenses/bsd-license.php
|
||||
|
||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
|
||||
**/
|
||||
|
||||
#include "UefiShellLevel1CommandsLib.h"
|
||||
|
||||
/**
|
||||
Function for 'shift' 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
|
||||
ShellCommandRunShift (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
SCRIPT_FILE *CurrentScriptFile;
|
||||
UINTN LoopVar;
|
||||
|
||||
Status = CommandInit();
|
||||
ASSERT_EFI_ERROR(Status);
|
||||
|
||||
if (!gEfiShellProtocol->BatchIsActive()) {
|
||||
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel1HiiHandle, L"Shift");
|
||||
return (SHELL_UNSUPPORTED);
|
||||
}
|
||||
|
||||
CurrentScriptFile = ShellCommandGetCurrentScriptFile();
|
||||
ASSERT(CurrentScriptFile != NULL);
|
||||
|
||||
if (CurrentScriptFile->Argc < 2) {
|
||||
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle);
|
||||
return (SHELL_UNSUPPORTED);
|
||||
}
|
||||
|
||||
for (LoopVar = 0 ; LoopVar < CurrentScriptFile->Argc ; LoopVar++) {
|
||||
if (LoopVar == 0) {
|
||||
SHELL_FREE_NON_NULL(CurrentScriptFile->Argv[LoopVar]);
|
||||
}
|
||||
if (LoopVar < CurrentScriptFile->Argc -1) {
|
||||
CurrentScriptFile->Argv[LoopVar] = CurrentScriptFile->Argv[LoopVar+1];
|
||||
} else {
|
||||
CurrentScriptFile->Argv[LoopVar] = NULL;
|
||||
}
|
||||
}
|
||||
CurrentScriptFile->Argc--;
|
||||
return (SHELL_SUCCESS);
|
||||
}
|
||||
|
Reference in New Issue
Block a user