[pschweitzer] 65591: [NTFS] Implement GetStandardInformationFromRecord() which will return $STANDARD_INFORMATION attribute from a file record

Author: pschweitzer
Date: Mon Dec  8 19:19:30 2014
New Revision: 65591

URL: http://svn.reactos.org/svn/reactos?rev=65591&view=rev
Log:
[NTFS]
Implement GetStandardInformationFromRecord() which will return $STANDARD_INFORMATION attribute from a file record

Modified:
    trunk/reactos/drivers/filesystems/ntfs/attrib.c
    trunk/reactos/drivers/filesystems/ntfs/ntfs.h

Modified: trunk/reactos/drivers/filesystems/ntfs/attrib.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/at...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/attrib.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/attrib.c	[iso-8859-1] Mon Dec  8 19:19:30 2014
@@ -330,6 +330,28 @@
     return NULL;
 }

+PSTANDARD_INFORMATION
+GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord)
+{
+    PNTFS_ATTR_RECORD Attribute;
+    PSTANDARD_INFORMATION StdInfo;
+
+    Attribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + FileRecord->AttributeOffset);
+    while (Attribute < (PNTFS_ATTR_RECORD)((ULONG_PTR)FileRecord + FileRecord->BytesInUse) &&
+           Attribute->Type != AttributeEnd)
+    {
+        if (Attribute->Type == AttributeStandardInformation)
+        {
+            StdInfo = (PSTANDARD_INFORMATION)((ULONG_PTR)Attribute + Attribute->Resident.ValueOffset);
+            return StdInfo;
+        }
+
+        Attribute = (PNTFS_ATTR_RECORD)((ULONG_PTR)Attribute + Attribute->Length);
+    }
+
+    return NULL;
+}
+
 PFILENAME_ATTRIBUTE
 GetBestFileNameFromRecord(PFILE_RECORD_HEADER FileRecord)
 {

Modified: trunk/reactos/drivers/filesystems/ntfs/ntfs.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/ntfs/nt...
==============================================================================
--- trunk/reactos/drivers/filesystems/ntfs/ntfs.h	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/ntfs/ntfs.h	[iso-8859-1] Mon Dec  8 19:19:30 2014
@@ -465,6 +465,9 @@
 VOID
 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord);

+PSTANDARD_INFORMATION
+GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord);
+
 PFILENAME_ATTRIBUTE
 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord, UCHAR NameType);