From 6a729dcaf453e5ddd790c73992c254c0d7a33b83 Mon Sep 17 00:00:00 2001
From: gikidy <gikidy@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 3 Jun 2009 03:11:36 +0000
Subject: [PATCH] Fix <.><..> can not work correctly on NT32 platform.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8449 6f19259b-4bc3-4df7-8a09-765794883524
---
 Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
index c267cf2a1a..7da3eef9ce 100644
--- a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
+++ b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
@@ -902,10 +902,11 @@ OpenRoot:
   }
 
   //
-  // If file name does not equal to "." or "..",
+  // If file name does not equal to "." or ".." and not trailed with "\..",
   // then we trim the leading/trailing blanks and trailing dots
   //
-  if (StrCmp (FileName, L".") != 0 && StrCmp (FileName, L"..") != 0) {
+  if (StrCmp (FileName, L".") != 0 && StrCmp (FileName, L"..") != 0 && 
+    ((StrLen (FileName) >= 3) ? (StrCmp (&FileName[StrLen (FileName) - 3], L"\\..") != 0) : TRUE)) {
     //
     // Trim leading blanks
     //
@@ -1255,7 +1256,7 @@ OpenRoot:
     WinNtSimpleFileSystemSetInfo (&NewPrivateFile->EfiFile, &gEfiFileInfoGuid, InfoSize, Info);
   }
 
-Done: ;
+Done:
   FreePool (FileName);
 
   if (EFI_ERROR (Status)) {