1. Change 0 == Length style to Length == 0

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibOptDxe / ZeroMemWrapper.c

diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibOptDxe/ZeroMemWrapper.c
index a0b30d164da9334bca6fa9021931ca35fd6429e1..4e102322a963930dc03c4c84a14a92edf513c053 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibOptDxe/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/ZeroMemWrapper.c
@@ -10,12 +10,14 @@
   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 \r
-  The following BaseMemoryLib instances share the same version of this file:\r
+  The following BaseMemoryLib instances contains the same copy of this file:\r
 \r
     BaseMemoryLib\r
     BaseMemoryLibMmx\r
     BaseMemoryLibSse2\r
     BaseMemoryLibRepStr\r
+    BaseMemoryLibOptDxe\r
+    BaseMemoryLibOptPei\r
     PeiMemoryLib\r
     DxeMemoryLib\r
 \r
@@ -46,7 +48,10 @@ ZeroMem (
   IN UINTN  Length\r
   )\r
 {\r
-  ASSERT (!(NULL == Buffer && Length > 0));\r
+  ASSERT (!(Buffer == NULL && Length > 0));\r
   ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));\r
+  if (Length == 0) {\r
+       return Buffer;\r
+  }\r
   return InternalMemZeroMem (Buffer, Length);\r
 }\r