Clarify the requirements for the Destination parameter of UnicodeStrToAsciiStr.

signed-off-by:jcarsey
Reviewed-by:lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11917 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index c74ea23a744697b4aab881a85ca0415895713048..6998171bd552259afdea8faeed15a4f61be88fbd 100644 (file)
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -636,6 +636,9 @@ StrHexToUint64 (
   to the ASCII string Destination by copying the lower 8 bits of\r
   each Unicode character. It returns Destination.\r
 \r
+  The caller is responsible to make sure Destination points to a buffer with size\r
+  equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r
+\r
   If any Unicode characters in Source contain non-zero value in\r
   the upper 8 bits, then ASSERT().\r
 \r

diff --git a/MdePkg/Library/BaseLib/String.c b/MdePkg/Library/BaseLib/String.c
index 273291a915b281ce1eebeaa611b63074da2a9a24..227a0dc846dc42d56a070e765003fe25db69e58e 100644 (file)
--- a/MdePkg/Library/BaseLib/String.c
+++ b/MdePkg/Library/BaseLib/String.c
@@ -1,7 +1,7 @@
 /** @file\r
   Unicode and ASCII string primatives.\r
 \r
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -995,6 +995,9 @@ InternalAsciiIsHexaDecimalDigitCharacter (
   to the ASCII string Destination by copying the lower 8 bits of\r
   each Unicode character. It returns Destination.\r
 \r
+  The caller is responsible to make sure Destination points to a buffer with size\r
+  equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.\r
+\r
   If any Unicode characters in Source contain non-zero value in\r
   the upper 8 bits, then ASSERT().\r
 \r