Enhance op-code EFI_IFR_TO_BOOLEAN to case insensitive.

Signed-off-by: ydong10
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12520 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 9 insertions, 4 deletions

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
index cbbb20dc9f..60a23f1822 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
@@ -2034,18 +2034,23 @@ EvaluateExpression (
         //

         // When converting from a string, if case-insensitive compare

         // with "true" is True, then push True. If a case-insensitive compare

-        // with "false" is True, then push False.

+        // with "false" is True, then push False. Otherwise, push Undefined. 

         //

         StrPtr = GetToken (Value->Value.string, FormSet->HiiHandle);

         if (StrPtr == NULL) {

           Status = EFI_INVALID_PARAMETER;

           goto Done;

         }

-

-        if ((StrCmp (StrPtr, L"true") == 0) || (StrCmp (StrPtr, L"false") == 0)){

+        

+        IfrStrToUpper (StrPtr);

+        if (StrCmp (StrPtr, L"TRUE") == 0){

           Value->Value.b = TRUE;

-        } else {

+        } else if (StrCmp (StrPtr, L"FALSE") == 0) {

           Value->Value.b = FALSE;

+        } else {

+          Status = EFI_INVALID_PARAMETER;

+          FreePool (StrPtr);

+          goto Done;

         }

         FreePool (StrPtr);

         Value->Type = EFI_IFR_TYPE_BOOLEAN;