[hpoussin] 65195: [NTFS] Optimize directory search initialization

Author: hpoussin
Date: Sun Nov  2 20:18:27 2014
New Revision: 65195
URL: http://svn.reactos.org/svn/reactos?rev=65195&view=rev
Log:
[NTFS] Optimize directory search initialization
Modified:
    trunk/reactos/drivers/filesystems/ntfs/dirctl.c
Modified: trunk/reactos/drivers/filesystems/ntfs/dirctl.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/d…
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/dirctl.c     [iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/dirctl.c     [iso-8859-1] Sun Nov  2 20:18:27
2014
@@ -305,7 +305,6 @@
     PNTFS_FCB Fcb;
     PNTFS_CCB Ccb;
     BOOLEAN First = FALSE;
-    BOOLEAN WildCard;
     PIO_STACK_LOCATION Stack;
     PFILE_OBJECT FileObject;
     NTSTATUS Status = STATUS_SUCCESS;
@@ -338,16 +337,23 @@
         if (!Ccb->DirectorySearchPattern)
         {
             First = TRUE;
-            Ccb->DirectorySearchPattern =
-                ExAllocatePoolWithTag(NonPagedPool, SearchPattern->Length +
sizeof(WCHAR), TAG_NTFS);
+            Pattern.Length = 0;
+            Pattern.MaximumLength = SearchPattern->Length + sizeof(WCHAR);
+            Ccb->DirectorySearchPattern = Pattern.Buffer =
+                ExAllocatePoolWithTag(NonPagedPool, Pattern.MaximumLength, TAG_NTFS);
             if (!Ccb->DirectorySearchPattern)
             {
                 return STATUS_INSUFFICIENT_RESOURCES;
             }
-            memcpy(Ccb->DirectorySearchPattern,
-                   SearchPattern->Buffer,
-                   SearchPattern->Length);
+            Status = RtlUpcaseUnicodeString(&Pattern, SearchPattern, FALSE);
+            if (!NT_SUCCESS(Status))
+            {
+                DPRINT1("RtlUpcaseUnicodeString('%wZ') failed with status
0x%08lx\n", &Pattern, Status);
+                ExFreePoolWithTag(Ccb->DirectorySearchPattern, TAG_NTFS);
+                Ccb->DirectorySearchPattern = NULL;
+                return Status;
+            }
             Ccb->DirectorySearchPattern[SearchPattern->Length / sizeof(WCHAR)] = 0;
         }
     }
@@ -365,19 +371,8 @@
     }
     RtlInitUnicodeString(&Pattern, Ccb->DirectorySearchPattern);
-    WildCard = FsRtlDoesNameContainWildCards(&Pattern);
-    if (WildCard)
-    {
-        Status = RtlUpcaseUnicodeString(&Pattern, &Pattern, FALSE);
-        if (!NT_SUCCESS(Status))
-        {
-            DPRINT1("RtlUpcaseUnicodeString('%wZ') failed with status
0x%08lx\n", &Pattern, Status);
-            return Status;
-        }
-    }
-
-    DPRINT1("Search pattern '%S'\n", Ccb->DirectorySearchPattern);
-    DPRINT1("In: '%S'\n", Fcb->PathName);
+    DPRINT("Search pattern '%S'\n", Ccb->DirectorySearchPattern);
+    DPRINT("In: '%S'\n", Fcb->PathName);
     /* Determine directory index */
     if (Stack->Flags & SL_INDEX_SPECIFIED)