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ShellPkg: Expand special output file to include "NULL" and case insensitive

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As per ECR 1349 change in UEFI Shell Specification 2.2, expanding
a special output file name to include "NULL". Previously it only
supported "NUL" as a special output file and it was case sensitive.
With this change both "NUL" and "NULL" are special output file and
checked as case insensitive.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Tapan Shah <tapandshah@hpe.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
This commit is contained in:
Tapan Shah
2016-09-22 12:12:47 -07:00
committed by Jaben Carsey
parent 38707d76fc
commit 583448b441
5 changed files with 23 additions and 4 deletions
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6
ShellPkg/Application/Shell/ShellProtocol.c
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@ -3,6 +3,7 @@
manipulation, and initialization of EFI_SHELL_PROTOCOL.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
Copyright (c) 2009 - 2016, 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
@ -1287,9 +1288,10 @@ EfiShellOpenFileByName(
}
//
// Is this for NUL file
// Is this for NUL / NULL file
//
if (StrCmp(FileName, L"NUL") == 0) {
if ((gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16*)FileName, L"NUL") == 0) ||
(gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16*)FileName, L"NULL") == 0)) {
*FileHandle = &FileInterfaceNulFile;
return (EFI_SUCCESS);
}