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ShellPkg: Fix Shell assert when mv a file to a NULL target. 

When run command 'mv file ' the Shell assert. The patch refined the length of the buffer to fix this bug.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19607 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin 2016-01-06 07:40:56 +00:00 committed by shenshushi
parent d85509a321
commit 10e547ac2d
1 changed files with 2 additions and 2 deletions
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4
ShellPkg/Library/UefiShellLevel2CommandsLib/Mv.c
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@ -2,7 +2,7 @@
Main file for mv shell level 2 function. Main file for mv shell level 2 function.
(C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR> (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR> Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -731,7 +731,7 @@ ShellCommandRunMv (
// //
// ValidateAndMoveFiles will report errors to the screen itself // ValidateAndMoveFiles will report errors to the screen itself
// //
CwdSize = StrSize(ShellGetCurrentDir(NULL)) + 1; CwdSize = StrSize(ShellGetCurrentDir(NULL)) + sizeof(CHAR16);
Cwd = AllocateZeroPool(CwdSize); Cwd = AllocateZeroPool(CwdSize);
ASSERT (Cwd != NULL); ASSERT (Cwd != NULL);
StrCpyS(Cwd, CwdSize/sizeof(CHAR16), ShellGetCurrentDir(NULL)); StrCpyS(Cwd, CwdSize/sizeof(CHAR16), ShellGetCurrentDir(NULL));