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authorEric Dong <eric.dong@intel.com>2014-06-26 01:38:46 +0000
committerydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>2014-06-26 01:38:46 +0000
commit81cd2f536ef0097392b51f96405321ce7b01350c (patch)
treece44817456c749b0663e8fb845c9d91b8aefbce3 /ShellPkg/Library/UefiShellLevel1CommandsLib
parent45295cf5a58578b84e5092c3a3dd145c069c1db5 (diff)
downloadedk2-81cd2f536ef0097392b51f96405321ce7b01350c.tar.gz
edk2-81cd2f536ef0097392b51f96405321ce7b01350c.tar.bz2
edk2-81cd2f536ef0097392b51f96405321ce7b01350c.zip
Refine code to make it more safely.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15593 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel1CommandsLib')
-rw-r--r--ShellPkg/Library/UefiShellLevel1CommandsLib/For.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c b/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c
index 85b85d8dcf..4fdbdd051d 100644
--- a/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c
+++ b/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c
@@ -1,7 +1,7 @@
/** @file
Main file for endfor and for shell level 1 functions.
- Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2014, 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
@@ -333,7 +333,7 @@ ShellCommandRunFor (
CurrentScriptFile = ShellCommandGetCurrentScriptFile();
ASSERT(CurrentScriptFile != NULL);
- if (CurrentScriptFile->CurrentCommand->Data == NULL) {
+ if ((CurrentScriptFile->CurrentCommand != NULL) && (CurrentScriptFile->CurrentCommand->Data == NULL)) {
FirstPass = TRUE;
//
@@ -348,8 +348,7 @@ ShellCommandRunFor (
gShellLevel1HiiHandle,
L"EndFor",
L"For",
- CurrentScriptFile->CurrentCommand!=NULL
- ?CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
return (SHELL_DEVICE_ERROR);
}
@@ -459,9 +458,7 @@ ShellCommandRunFor (
STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
gShellLevel1HiiHandle,
ArgSet,
- CurrentScriptFile!=NULL
- && CurrentScriptFile->CurrentCommand!=NULL
- ? CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
TempSpot = StrStr(ArgSetWalker, L")");
@@ -483,9 +480,7 @@ ShellCommandRunFor (
NULL,
STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
gShellLevel1HiiHandle,
- CurrentScriptFile!=NULL
- && CurrentScriptFile->CurrentCommand!=NULL
- ? CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
*TempSpot = CHAR_NULL;
@@ -501,9 +496,7 @@ ShellCommandRunFor (
STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
gShellLevel1HiiHandle,
ArgSet,
- CurrentScriptFile!=NULL
- && CurrentScriptFile->CurrentCommand!=NULL
- ? CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ArgSetWalker[0] == L'-') {
@@ -523,9 +516,7 @@ ShellCommandRunFor (
STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
gShellLevel1HiiHandle,
ArgSet,
- CurrentScriptFile!=NULL
- && CurrentScriptFile->CurrentCommand!=NULL
- ? CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ArgSetWalker[0] == L'-') {
@@ -552,9 +543,7 @@ ShellCommandRunFor (
STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
gShellLevel1HiiHandle,
ArgSet,
- CurrentScriptFile!=NULL
- && CurrentScriptFile->CurrentCommand!=NULL
- ? CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (*ArgSetWalker == L')') {
@@ -574,9 +563,7 @@ ShellCommandRunFor (
STRING_TOKEN (STR_GEN_PROBLEM_SCRIPT),
gShellLevel1HiiHandle,
ArgSet,
- CurrentScriptFile!=NULL
- && CurrentScriptFile->CurrentCommand!=NULL
- ? CurrentScriptFile->CurrentCommand->Line:0);
+ CurrentScriptFile->CurrentCommand->Line);
ShellStatus = SHELL_INVALID_PARAMETER;
}
}