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stgsharp/源代码/StgSharp/Data/SSD/DataHead.cs
T

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3.0 KiB
C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="DataHead.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//
// 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.
//
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
using System.Numerics;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
namespace StgSharp.Data
{
[StructLayout(LayoutKind.Explicit, Size = 16)]
public struct SSDSegmentHead
{
[FieldOffset(0)] internal M128 data;
[FieldOffset(0)] public int globalID;
[FieldOffset(4)] public int nextID;
[FieldOffset(8)] public int previousHash;
[FieldOffset(12)] internal byte size;
[FieldOffset(13)] public byte selfDefine_1;
[FieldOffset(14)] public byte selfDefine_2;
[FieldOffset(15)] public byte selfDefine_3;
public int Size
{
get => ((int)size) + 1;
set
{
if ((value > 256) || (value < 0))
{
throw new ArgumentOutOfRangeException();
}
size = (byte)(value - 1);
}
}
public unsafe byte[] GetBytes()
{
byte[] ret = new byte[16];
fixed (Vector4* vptr = &data.vec)
{
byte* bptr = (byte*)vptr;
for (int i = 0; i < 15; i++)
{
ret[i] = *bptr;
}
}
return ret;
}
}
}