From 630cb8507b2f1d7d7af3ac0f992d40f209dc1cee Mon Sep 17 00:00:00 2001 From: Ruiyu Ni Date: Wed, 24 Jan 2018 22:36:22 -3407 Subject: [PATCH] ShellPkg/Level2Command: Use UnicodeCollation in StrinCmp Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni Reviewed-by: Jaben Carsey --- .../Library/UefiShellLevel2CommandsLib/Cd.c | 4 +- .../Library/UefiShellLevel2CommandsLib/Cp.c | 4 +- .../UefiShellLevel2CommandsLib/TimeDate.c | 6 +- .../UefiShellLevel2CommandsLib.c | 65 ++++++++++--------- .../UefiShellLevel2CommandsLib.h | 15 +++-- 5 files changed, 49 insertions(+), 45 deletions(-) diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c index 9ae81763f7..d5dc9804d4 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c @@ -3,7 +3,7 @@ (C) Copyright 2016 Hewlett Packard Enterprise Development LP
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.
- Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
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 @@ -102,7 +102,7 @@ IsCurrentFileSystem ( if (((UINTN) Splitter1 - (UINTN) FullPath) != ((UINTN) Splitter2 - (UINTN) Cwd)) { return FALSE; } else { - if (StrniCmp (FullPath, Cwd, ((UINTN) Splitter1 - (UINTN) FullPath) / sizeof (CHAR16)) == NULL) { + if (StrniCmp (FullPath, Cwd, ((UINTN) Splitter1 - (UINTN) FullPath) / sizeof (CHAR16)) == 0) { return TRUE; } else { return FALSE; diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c index b8f6d310f6..ae7528ddcf 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c @@ -2,7 +2,7 @@ Main file for cp shell level 2 function. (C) Copyright 2015 Hewlett-Packard Development Company, L.P.
- Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
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 @@ -510,7 +510,7 @@ ValidateAndCopyFiles( if ( !EFI_ERROR(ShellIsDirectory(Node->FullName)) && !EFI_ERROR(ShellIsDirectory(DestPath)) - && StrniCmp(Node->FullName, DestPath, StrLen(DestPath)) == NULL + && StrniCmp(Node->FullName, DestPath, StrLen(DestPath)) == 0 ){ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CP_SD_PARENT), gShellLevel2HiiHandle, L"cp"); ShellStatus = SHELL_INVALID_PARAMETER; diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/TimeDate.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/TimeDate.c index 5383cffe87..0b7551a239 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/TimeDate.c +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/TimeDate.c @@ -2,7 +2,7 @@ Main file for time, timezone, and date shell level 2 and shell level 3 functions. (C) Copyright 2012-2015 Hewlett-Packard Development Company, L.P.
- Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
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 @@ -550,7 +550,7 @@ ShellCommandRunTime ( // perform level 3 operation here. // if ((TempLocation = ShellCommandLineGetValue(Package, L"-tz")) != NULL) { - if (StrniCmp (TempLocation, L"_local", StrLen (TempLocation)) == NULL) { + if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16 *)TempLocation, L"_local") == 0) { Tz = EFI_UNSPECIFIED_TIMEZONE; } else if (TempLocation[0] == L'-') { @@ -713,7 +713,7 @@ CheckAndSetTimeZone ( return (SHELL_INVALID_PARAMETER); } - if (StrniCmp (TimeZoneString, L"_local", StrLen (TimeZoneString)) == NULL) { + if (gUnicodeCollation->StriColl(gUnicodeCollation, (CHAR16 *)TimeZoneString, L"_local") == 0) { Status = gRT->GetTime (&TheTime, NULL); if (EFI_ERROR (Status)) { ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_UEFI_FUNC_WARN), gShellLevel2HiiHandle, L"gRT->GetTime", Status); diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.c index e9ce631892..36bc3552b5 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.c +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.c @@ -22,7 +22,7 @@ * functions are non-interactive only Copyright (c) 2014 Hewlett-Packard Development Company, L.P. - Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
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 @@ -260,19 +260,6 @@ VerifyIntermediateDirectories ( return (Status); } -/** - Be lazy and borrow from baselib. - - @param[in] Char The character to convert to upper case. - - @return Char as an upper case character. -**/ -CHAR16 -EFIAPI -InternalCharToUpper ( - IN CHAR16 Char - ); - /** String comparison without regard to case for a limited number of characters. @@ -280,31 +267,47 @@ InternalCharToUpper ( @param[in] Target The second item to compare. @param[in] Count How many characters to compare. - @retval NULL Source and Target are identical strings without regard to case. - @return The location in Source where there is a difference. + @retval 0 Source and Target are identical strings without regard to case. + @retval !=0 Source is not identical to Target. + **/ -CONST CHAR16* +INTN StrniCmp( IN CONST CHAR16 *Source, IN CONST CHAR16 *Target, IN CONST UINTN Count ) { - UINTN LoopCount; - CHAR16 Char1; - CHAR16 Char2; - - ASSERT(Source != NULL); - ASSERT(Target != NULL); - - for (LoopCount = 0 ; LoopCount < Count ; LoopCount++) { - Char1 = InternalCharToUpper(Source[LoopCount]); - Char2 = InternalCharToUpper(Target[LoopCount]); - if (Char1 != Char2) { - return (&Source[LoopCount]); - } + CHAR16 *SourceCopy; + CHAR16 *TargetCopy; + UINTN SourceLength; + UINTN TargetLength; + INTN Result; + + if (Count == 0) { + return 0; + } + + SourceLength = StrLen (Source); + TargetLength = StrLen (Target); + SourceLength = MIN (SourceLength, Count); + TargetLength = MIN (TargetLength, Count); + SourceCopy = AllocateCopyPool ((SourceLength + 1) * sizeof (CHAR16), Source); + if (SourceCopy == NULL) { + return -1; + } + TargetCopy = AllocateCopyPool ((TargetLength + 1) * sizeof (CHAR16), Target); + if (TargetCopy == NULL) { + FreePool (SourceCopy); + return -1; } - return (NULL); + + SourceCopy[SourceLength] = L'\0'; + TargetCopy[TargetLength] = L'\0'; + Result = gUnicodeCollation->StriColl (gUnicodeCollation, SourceCopy, TargetCopy); + FreePool (SourceCopy); + FreePool (TargetCopy); + return Result; } diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.h b/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.h index 857487fd80..fef6adc3e1 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.h +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/UefiShellLevel2CommandsLib.h @@ -280,16 +280,17 @@ VerifyIntermediateDirectories ( ); /** - CaseInsensitive length limited string comparison. + String comparison without regard to case for a limited number of characters. - @param[in] Source Pointer to first string. - @param[in] Target Pointer to second string. - @param[in] Count Number of characters to compare. + @param[in] Source The first item to compare. + @param[in] Target The second item to compare. + @param[in] Count How many characters to compare. - @retval 0 The strings are the same. - @return non-zero if the strings are different. + @retval 0 Source and Target are identical strings without regard to case. + @retval !=0 Source is not identical to Target. + **/ -CONST CHAR16* +INTN StrniCmp( IN CONST CHAR16 *Source, IN CONST CHAR16 *Target, -- 2.39.2