1 files changed, 58 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/CopyMemWrapper.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/CopyMemWrapper.c
new file mode 100644
index 0000000..b9d8101
--- /dev/null
+++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseMemoryLib/CopyMemWrapper.c
@@ -0,0 +1,58 @@
+/*++
+
+Copyright (c) 2004 - 2006, Intel Corporation                                                         
+All rights reserved. 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        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.  
+
+Module Name:
+
+  CopyMemWrapper.c
+  
+Abstract: 
+
+  CopyMem() implementation.
+
+--*/
+
+#include "BaseMemoryLibInternal.h"
+
+/**
+  Copies a source buffer to a destination buffer, and returns the destination buffer.
+
+  This function copies Length bytes from SourceBuffer to DestinationBuffer, and returns
+  DestinationBuffer.  The implementation must be reentrant, and it must handle the case
+  where SourceBuffer overlaps DestinationBuffer.
+  If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT(). 
+  If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT(). 
+
+  @param  DestinationBuffer   Pointer to the destination buffer of the memory copy.
+  @param  SourceBuffer        Pointer to the source buffer of the memory copy.
+  @param  Length              Number of bytes to copy from SourceBuffer to DestinationBuffer.
+
+  @return DestinationBuffer.
+
+**/
+VOID *
+EFIAPI
+GlueCopyMem (
+  OUT VOID       *DestinationBuffer,
+  IN CONST VOID  *SourceBuffer,
+  IN UINTN       Length
+  )
+{
+  if (Length == 0) {
+    return DestinationBuffer;
+  }
+  ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer));
+  ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer));
+
+  if (DestinationBuffer == SourceBuffer) {
+    return DestinationBuffer;
+  }
+  return InternalMemCopyMem (DestinationBuffer, SourceBuffer, Length);
+}