Update the code to follow the spec when evaluate the expression.

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

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12973 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 8 insertions, 5 deletions

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h
index fb84aabfe8..db19888b22 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h
@@ -956,18 +956,21 @@ ExtendValueToU64 (
 

   @param  Value1                 Expression value to compare on left-hand.

   @param  Value2                 Expression value to compare on right-hand.

+  @param  Result                 Return value after compare.

+                                 retval 0                      Two operators equal.

+                                 return Positive value if Value1 is greater than Value2.

+                                 retval Negative value if Value1 is less than Value2.

   @param  HiiHandle              Only required for string compare.

 

-  @retval EFI_INVALID_PARAMETER  Could not perform comparation on two values.

-  @retval 0                      Two operators equeal.

-  @return Positive value if Value1 is greater than Value2.

-  @retval Negative value if Value1 is less than Value2.

+  @retval other                  Could not perform compare on two values.

+  @retval EFI_SUCCESS            Compare the value success.

 

 **/

-INTN

+EFI_STATUS

 CompareHiiValue (

   IN  EFI_HII_VALUE   *Value1,

   IN  EFI_HII_VALUE   *Value2,

+  OUT INTN            *Result,

   IN  EFI_HII_HANDLE  HiiHandle OPTIONAL

   );