Nt32Pkg WinNtSimpleFileSystemDxe: Correct file length.

In GetInfo interface, current code copy real file name buffer
with full path file length. It should use real file name
length. This patch fix this error.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
diff --git a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
index feef184..6cff2df 100644
--- a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
+++ b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
@@ -1,6 +1,6 @@
 /**@file

 

-Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2006 - 2016, 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

@@ -1987,8 +1987,19 @@
   CHAR16                      *TempPointer;

 

   Size        = SIZE_OF_EFI_FILE_INFO;

-  NameSize    = StrSize (PrivateFile->FileName);

-  ResultSize  = Size + NameSize;

+

+  RealFileName  = PrivateFile->FileName;

+  TempPointer   = RealFileName;

+  while (*TempPointer) {

+    if (*TempPointer == '\\') {

+      RealFileName = TempPointer + 1;

+    }

+

+    TempPointer++;

+  }

+  NameSize = StrSize (RealFileName);

+

+  ResultSize = Size + NameSize; 

 

   Status      = EFI_BUFFER_TOO_SMALL;

   if (*BufferSize >= ResultSize) {

@@ -2056,17 +2067,6 @@
       Info->Attribute |= EFI_FILE_DIRECTORY;

     }

 

-    RealFileName  = PrivateFile->FileName;

-    TempPointer   = RealFileName;

-

-    while (*TempPointer) {

-      if (*TempPointer == '\\') {

-        RealFileName = TempPointer + 1;

-      }

-

-      TempPointer++;

-    }

-

     if (PrivateFile->IsRootDirectory) {

       *((CHAR8 *) Buffer + Size) = 0;

     } else {