Fix a width count error in ClearScreen function.

Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13596 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/ShellPkg/Application/Shell/ConsoleLogger.c b/ShellPkg/Application/Shell/ConsoleLogger.c
index 1c5ad7def28aa611b4cc87c15e97503d467c3e5a..fc347717d3f7feba30f29cc7a5d0a0e3ade7b981 100644 (file)
--- a/ShellPkg/Application/Shell/ConsoleLogger.c
+++ b/ShellPkg/Application/Shell/ConsoleLogger.c
@@ -1028,7 +1028,7 @@ ConsoleLoggerClearScreen (
   // Record console output history\r
   //\r
   if (!EFI_ERROR (Status)) {\r
-    Screen = &ConsoleInfo->Buffer[(ConsoleInfo->ColsPerScreen + 1) * ConsoleInfo->CurrentStartRow];\r
+    Screen = &ConsoleInfo->Buffer[(ConsoleInfo->ColsPerScreen + 2) * ConsoleInfo->CurrentStartRow];\r
     Attributes = &ConsoleInfo->Attributes[ConsoleInfo->ColsPerScreen * ConsoleInfo->CurrentStartRow];\r
     for ( Row = ConsoleInfo->OriginalStartRow\r
         ; Row < (ConsoleInfo->RowsPerScreen * ConsoleInfo->ScreenCount)\r
@@ -1046,7 +1046,7 @@ ConsoleLoggerClearScreen (
       //\r
       // Skip the NULL on each column end in text buffer only\r
       //\r
-      Screen++;\r
+      Screen += 2;\r
     }\r
     ConsoleInfo->HistoryMode.CursorColumn = 0;\r
     ConsoleInfo->HistoryMode.CursorRow    = 0;\r