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Dalamud.Bootstrap/OS/Windows/Raw/Structures.cs

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+using System;
+using System.Runtime.InteropServices;
+
+namespace Dalamud.Bootstrap.OS.Windows.Raw
+{
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct NTSTATUS
+    {
+        public uint Code;
+
+        public NTSTATUS(uint value)
+        {
+            Code = value;
+        }
+
+        /// <summary>
+        /// Equivalent to NT_SUCCESS
+        /// </summary>
+        public bool Success => Code <= 0x7FFFFFFF;
+
+        /// <summary>
+        /// Equivalent to NT_INFORMATION
+        /// </summary>
+        public bool Information => 0x40000000 <= Code && Code <= 0x7FFFFFFF;
+
+        /// <summary>
+        /// Equivalent to NT_WARNING
+        /// </summary>
+        public bool Warning => 0x80000000 <= Code && Code <= 0xBFFFFFFF;
+
+        /// <summary>
+        /// Equivalent to NT_ERROR
+        /// </summary>
+        public bool Error => 0xC0000000 <= Code;
+
+        public override string ToString() => $"{Code:X8}";
+
+        public static implicit operator uint(NTSTATUS status) => status.Code;
+
+        public static implicit operator NTSTATUS(uint code) => new NTSTATUS(code);
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct FILETIME
+    {
+        public uint LowDateTime;
+
+        public uint HighDateTime;
+
+        public long FileTime => ((long)HighDateTime << 32) | LowDateTime;
+
+        public DateTime ToDateTime() => DateTime.FromFileTime(FileTime);
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    internal unsafe struct UNICODE_STRING
+    {
+        public ushort Length;
+        public ushort MaximumLength;
+        public IntPtr Buffer;
+    }
+
+    // https://github.com/processhacker/processhacker/blob/e43d7c0513ec5368c3309a58c9f2c2a3ca5de367/phnt/include/ntpsapi.h#L272
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct PROCESS_BASIC_INFORMATION
+    {
+        public NTSTATUS ExitStatus;
+        public IntPtr PebBaseAddress;
+        public IntPtr AffinityMask;
+        public IntPtr BasePriority;
+        public IntPtr UniqueProcessId;
+        public IntPtr InheritedFromUniqueProcessId;
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct PEB
+    {
+        // https://github.com/processhacker/processhacker/blob/238287786b80abad647b988e60f69090cab4c8fe/phnt/include/ntpebteb.h#L57-L218
+        public byte InheritedAddressSpace;
+        public byte ReadImageFileExecOptions;
+        public byte BeingDebugged;
+        public byte BitField;
+        public IntPtr Mutant;
+        public IntPtr ImageBaseAddress;
+        public IntPtr Ldr;
+        public IntPtr ProcessParameters;
+        // ..snip.. we don't care about others
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct RTL_USER_PROCESS_PARAMETERS
+    {
+
+        public uint MaximumLength;
+        public uint LengthInitialized;
+        public uint Flags;
+        public uint DebugFlags;
+        public IntPtr ConsoleHandle;
+        public uint ConsoleFlags;
+        public IntPtr StandardInput;
+        public IntPtr StandardOutput;
+        public IntPtr StandardError;
+        public UNICODE_STRING CurrentDirectory_DosPath;
+        public IntPtr CurrentDirectory_Handle;
+        public UNICODE_STRING DllPath;
+        public UNICODE_STRING ImagePathName;
+        public UNICODE_STRING CommandLine;
+        // ..snip.. don't care
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    internal unsafe struct SECURITY_ATTRIBUTES
+    {
+        public uint Length;
+
+        public SECURITY_DESCRIPTOR* SecurityDescriptor;
+
+        [MarshalAs(UnmanagedType.Bool)]
+        public bool InheritHandle;
+    }
+
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct SECURITY_DESCRIPTOR
+    {
+
+    }
+}