From 30d636c8d97057a2b5b3d696757c868710a94d2c Mon Sep 17 00:00:00 2001
From: li-elvin <li-elvin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 11 Oct 2011 03:45:24 +0000
Subject: AsciiSPrint returns The number of ASCII characters in the produced
 output buffer not including the Null-terminator, but SerialStatusCodeWorker
 has bug which overwrites the last character, which causes there is a missing
 character in serial log output. The fix is to resolve this issue.

Signed-off-by: li-elvin
Reviewed-by: lgao4


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12526 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../Universal/StatusCodeHandler/Pei/SerialStatusCodeWorker.c      | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'MdeModulePkg/Universal/StatusCodeHandler/Pei')

diff --git a/MdeModulePkg/Universal/StatusCodeHandler/Pei/SerialStatusCodeWorker.c b/MdeModulePkg/Universal/StatusCodeHandler/Pei/SerialStatusCodeWorker.c
index e7bbcf4871..ba6befa572 100644
--- a/MdeModulePkg/Universal/StatusCodeHandler/Pei/SerialStatusCodeWorker.c
+++ b/MdeModulePkg/Universal/StatusCodeHandler/Pei/SerialStatusCodeWorker.c
@@ -1,7 +1,7 @@
 /** @file
   Serial I/O status code reporting worker.
 
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2011, 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
@@ -99,7 +99,7 @@ SerialStatusCodeReportWorker (
     
     if (CallerId != NULL) {
       CharCount += AsciiSPrint (
-                     &Buffer[CharCount - 1],
+                     &Buffer[CharCount],
                      (sizeof (Buffer) - (sizeof (Buffer[0]) * CharCount)),
                      " %g",
                      CallerId
@@ -108,7 +108,7 @@ SerialStatusCodeReportWorker (
 
     if (Data != NULL) {
       CharCount += AsciiSPrint (
-                     &Buffer[CharCount - 1],
+                     &Buffer[CharCount],
                      (sizeof (Buffer) - (sizeof (Buffer[0]) * CharCount)),
                      " %x",
                      Data
@@ -116,7 +116,7 @@ SerialStatusCodeReportWorker (
     }
 
     CharCount += AsciiSPrint (
-                   &Buffer[CharCount - 1],
+                   &Buffer[CharCount],
                    (sizeof (Buffer) - (sizeof (Buffer[0]) * CharCount)),
                    "\n\r"
                    );
-- 
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