Don't calculate the directory size and the caller of EFI_FILE protocol can calculate...

The enhancement algorithm to calculate directory size (Edk r2583) is incorrect because SetPosition() does not allow other arguments other than 0, causing current file cursor is lost.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9713 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
index eb8971febeca87c57825ed280a75e23d3c5b058c..2840d5f99f83babb4f6a75c0dbf98850e53f1667 100644 (file)
--- a/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
+++ b/Nt32Pkg/WinNtSimpleFileSystemDxe/WinNtSimpleFileSystem.c
@@ -1,6 +1,6 @@
 /**@file\r
 \r
-Copyright (c) 2006 - 2009, Intel Corporation\r
+Copyright (c) 2006 - 2010, Intel Corporation\r
 All rights reserved. This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -1972,11 +1972,6 @@ Returns:
   SYSTEMTIME                  SystemTime;\r
   CHAR16                      *RealFileName;\r
   CHAR16                      *TempPointer;\r
-  EFI_FILE_INFO               *DirInfo;\r
-  UINTN                       ReadSize;\r
-  UINT64                      Location;\r
-  EFI_STATUS                  DirStatus;\r
-\r
 \r
   Size        = SIZE_OF_EFI_FILE_INFO;\r
   NameSize    = StrSize (PrivateFile->FileName);\r
@@ -2061,45 +2056,6 @@ Returns:
     } else {\r
       CopyMem ((CHAR8 *) Buffer + Size, RealFileName, NameSize);\r
     }\r
-\r
-    if (Info->Attribute & EFI_FILE_DIRECTORY) {\r
-      //\r
-      // The GetFileInformationByHandle.nFileSizeLow is bogus for dir so we \r
-      // need to do the same thing the caller would do to get the right value\r
-      //\r
-      ASSERT (PrivateFile->EfiFile.Read != NULL);\r
-      DirStatus = PrivateFile->EfiFile.GetPosition (&PrivateFile->EfiFile, &Location);\r
-      if (EFI_ERROR (DirStatus)) {\r
-        Location = 0;\r
-      }\r
-\r
-      PrivateFile->EfiFile.SetPosition (&PrivateFile->EfiFile, 0);\r
-      Info->FileSize = 0; \r
-      do {\r
-        ReadSize = 0;\r
-        DirInfo = NULL;\r
-        DirStatus = PrivateFile->EfiFile.Read (&PrivateFile->EfiFile, &ReadSize, DirInfo);\r
-        if (DirStatus == EFI_BUFFER_TOO_SMALL) {\r
-          DirInfo = AllocatePool (ReadSize);\r
-          if (DirInfo != NULL) {\r
-            //\r
-            // Read each dir entry to figure out how big the directory is\r
-            //\r
-            DirStatus = PrivateFile->EfiFile.Read (&PrivateFile->EfiFile, &ReadSize, DirInfo);\r
-            if (!EFI_ERROR (DirStatus) && (ReadSize != 0)) {\r
-              Info->FileSize += ReadSize;\r
-            }\r
-            FreePool (DirInfo);\r
-          }\r
-        }\r
-        \r
-      } while (!EFI_ERROR (DirStatus) && (ReadSize != 0));\r
-\r
-      //\r
-      // reset the file possition back to the previous location\r
-      //\r
-      PrivateFile->EfiFile.SetPosition (&PrivateFile->EfiFile, Location);\r
-    }\r
   }\r
 \r
   *BufferSize = ResultSize;\r