Initial commit - WPinternals 2.6

2026-06-19 22:00:12 +10:00 · 2018-10-25 22:35:49 +02:00
commit 396ae57f05
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+//
+// Copyright (c) 2008-2011, Kenneth Bell
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+namespace DiscUtils.Ntfs
+{
+    internal class IndexHeader
+    {
+        public const int Size = 0x10;
+
+        public uint OffsetToFirstEntry;
+        public uint TotalSizeOfEntries;
+        public uint AllocatedSizeOfEntries;
+        public byte HasChildNodes;
+
+        public IndexHeader(uint allocatedSize)
+        {
+            AllocatedSizeOfEntries = allocatedSize;
+        }
+
+        public IndexHeader(byte[] data, int offset)
+        {
+            OffsetToFirstEntry = Utilities.ToUInt32LittleEndian(data, offset + 0x00);
+            TotalSizeOfEntries = Utilities.ToUInt32LittleEndian(data, offset + 0x04);
+            AllocatedSizeOfEntries = Utilities.ToUInt32LittleEndian(data, offset + 0x08);
+            HasChildNodes = data[offset + 0x0C];
+        }
+
+        internal void WriteTo(byte[] buffer, int offset)
+        {
+            Utilities.WriteBytesLittleEndian(OffsetToFirstEntry, buffer, offset + 0x00);
+            Utilities.WriteBytesLittleEndian(TotalSizeOfEntries, buffer, offset + 0x04);
+            Utilities.WriteBytesLittleEndian(AllocatedSizeOfEntries, buffer, offset + 0x08);
+            buffer[offset + 0x0C] = HasChildNodes;
+            buffer[offset + 0x0D] = 0;
+            buffer[offset + 0x0E] = 0;
+            buffer[offset + 0x0F] = 0;
+        }
+    }
+}