In AsciiStrncmp(), if length=0, should return 0

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@840 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Library/BaseLib/String.c b/MdePkg/Library/BaseLib/String.c
index 80223c6732ebedcb0df7fe0747d2d1678f90b244..a59a9d08cbca22a3fb2d954d6a07dda6606fa247 100644 (file)
--- a/MdePkg/Library/BaseLib/String.c
+++ b/MdePkg/Library/BaseLib/String.c
@@ -713,6 +713,10 @@ AsciiStrnCmp (
   IN      UINTN                     Length\r
   )\r
 {\r
+  if (Length == 0) {\r
+    return 0;\r
+  }\r
+\r
   //\r
   // ASSERT both strings are less long than PcdMaximumAsciiStringLength\r
   //\r