{%MainUnit ndk.pas}
{
    Native Development Kit for Native NT

    This file is part of the Free Pascal run time library.
    This unit contains types used for IO functions.
    Copyright (c) 2010 by Sven Barth

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 **********************************************************************}

const
  //
  // NtCreateFile OpenType Flags
  //
  FILE_SUPERSEDE                          = $00000000;
  FILE_OPEN                               = $00000001;
  FILE_CREATE                             = $00000002;
  FILE_OPEN_IF                            = $00000003;
  FILE_OVERWRITE                          = $00000004;
  FILE_OVERWRITE_IF                       = $00000005;
  FILE_MAXIMUM_DISPOSITION                = $00000005;

  //
  // NtCreateFile Flags
  //
  FILE_DIRECTORY_FILE                     = $00000001;
  FILE_WRITE_THROUGH                      = $00000002;
  FILE_SEQUENTIAL_ONLY                    = $00000004;
  FILE_NO_INTERMEDIATE_BUFFERING          = $00000008;
  FILE_SYNCHRONOUS_IO_ALERT               = $00000010;
  FILE_SYNCHRONOUS_IO_NONALERT            = $00000020;
  FILE_NON_DIRECTORY_FILE                 = $00000040;
  FILE_CREATE_TREE_CONNECTION             = $00000080;
  FILE_COMPLETE_IF_OPLOCKED               = $00000100;
  FILE_NO_EA_KNOWLEDGE                    = $00000200;
  FILE_OPEN_REMOTE_INSTANCE               = $00000400;
  FILE_RANDOM_ACCESS                      = $00000800;
  FILE_DELETE_ON_CLOSE                    = $00001000;
  FILE_OPEN_BY_FILE_ID                    = $00002000;
  FILE_OPEN_FOR_BACKUP_INTENT             = $00004000;
  FILE_NO_COMPRESSION                     = $00008000;
  FILE_RESERVE_OPFILTER                   = $00100000;
  FILE_OPEN_REPARSE_POINT                 = $00200000;
  FILE_OPEN_NO_RECALL                     = $00400000;
  FILE_OPEN_FOR_FREE_SPACE_QUERY          = $00800000;

type
  //
  // File Information Classes for NtQueryInformationFile
  //
  _FILE_INFORMATION_CLASS = (
    FileDirectoryInformation = 1,
    FileFullDirectoryInformation,
    FileBothDirectoryInformation,
    FileBasicInformation,
    FileStandardInformation,
    FileInternalInformation,
    FileEaInformation,
    FileAccessInformation,
    FileNameInformation,
    FileRenameInformation,
    FileLinkInformation,
    FileNamesInformation,
    FileDispositionInformation,
    FilePositionInformation,
    FileFullEaInformation,
    FileModeInformation,
    FileAlignmentInformation,
    FileAllInformation,
    FileAllocationInformation,
    FileEndOfFileInformation,
    FileAlternateNameInformation,
    FileStreamInformation,
    FilePipeInformation,
    FilePipeLocalInformation,
    FilePipeRemoteInformation,
    FileMailslotQueryInformation,
    FileMailslotSetInformation,
    FileCompressionInformation,
    FileObjectIdInformation,
    FileCompletionInformation,
    FileMoveClusterInformation,
    FileQuotaInformation,
    FileReparsePointInformation,
    FileNetworkOpenInformation,
    FileAttributeTagInformation,
    FileTrackingInformation,
    FileIdBothDirectoryInformation,
    FileIdFullDirectoryInformation,
    FileValidDataLengthInformation,
    FileShortNameInformation,
    FileMaximumInformation
  );
  FILE_INFORMATION_CLASS = _FILE_INFORMATION_CLASS;
  PFILE_INFORMATION_CLASS = ^FILE_INFORMATION_CLASS;

  //
  // I/O Status Block
  //
  _IO_STATUS_BLOCK = record
    union1: record
      case Boolean of
        True: (Status: NTSTATUS);
        False: (Pointer: PVOID);
    end;
    Information: ULONG_PTR;
  end;
  IO_STATUS_BLOCK = _IO_STATUS_BLOCK;
  PIO_STATUS_BLOCK = ^IO_STATUS_BLOCK;

  //
  // File Information structures for NtQueryInformationFile
  //
  _FILE_BASIC_INFORMATION = record
    CreationTime: LARGE_INTEGER;
    LastAccessTime: LARGE_INTEGER;
    LastWriteTime: LARGE_INTEGER;
    ChangeTime: LARGE_INTEGER;
    FileAttributes: ULONG;
  end;
  FILE_BASIC_INFORMATION = _FILE_BASIC_INFORMATION;
  PFILE_BASIC_INFORMATION = ^FILE_BASIC_INFORMATION;

  _FILE_STANDARD_INFORMATION = record
      AllocationSize: LARGE_INTEGER;
      EndOfFile: LARGE_INTEGER;
      NumberOfLinks: ULONG;
      DeletePending: NT_BOOLEAN;
      Directory: NT_BOOLEAN;
  end;
  FILE_STANDARD_INFORMATION = _FILE_STANDARD_INFORMATION;
  PFILE_STANDARD_INFORMATION = ^FILE_STANDARD_INFORMATION;

  _FILE_NETWORK_OPEN_INFORMATION = record
    CreationTime: LARGE_INTEGER;
    LastAccessTime: LARGE_INTEGER;
    LastWriteTime: LARGE_INTEGER;
    ChangeTime: LARGE_INTEGER;
    AllocationSize: LARGE_INTEGER;
    EndOfFile: LARGE_INTEGER;
    FileAttributes: ULONG;
  end;
  FILE_NETWORK_OPEN_INFORMATION = _FILE_NETWORK_OPEN_INFORMATION;
  PFILE_NETWORK_OPEN_INFORMATION = ^FILE_NETWORK_OPEN_INFORMATION;

  _FILE_POSITION_INFORMATION = record
    CurrentByteOffset: LARGE_INTEGER;
  end;
  FILE_POSITION_INFORMATION = _FILE_POSITION_INFORMATION;
  PFILE_POSITION_INFORMATION = ^FILE_POSITION_INFORMATION;

  _FILE_DISPOSITION_INFORMATION = record
    DeleteFile: NT_BOOLEAN;
  end;
  FILE_DISPOSITION_INFORMATION = _FILE_DISPOSITION_INFORMATION;
  PFILE_DISPOSITION_INFORMATION = ^FILE_DISPOSITION_INFORMATION;

  _FILE_RENAME_INFORMATION = record
    ReplaceIfExists: NT_BOOLEAN;
    RootDirectory: HANDLE;
    FileNameLength: ULONG;
    FileName: array[0..0] of WCHAR;
  end;
  FILE_RENAME_INFORMATION = _FILE_RENAME_INFORMATION;
  PFILE_RENAME_INFORMATION = ^FILE_RENAME_INFORMATION;

  _FILE_BOTH_DIR_INFORMATION = record
    NextEntryOffset: ULONG;
    FileIndex: ULONG;
    CreationTime: LARGE_INTEGER;
    LastAccessTime: LARGE_INTEGER;
    LastWriteTime: LARGE_INTEGER;
    ChangeTime: LARGE_INTEGER;
    EndOfFile: LARGE_INTEGER;
    AllocationSize: LARGE_INTEGER;
    FileAttributes: ULONG;
    FileNameLength: ULONG;
    EaSize: ULONG;
    ShortNameLength: CCHAR;
    ShortName: array[0..11] of WCHAR;
    FileName: array[0..0] of WCHAR;
  end;
  FILE_BOTH_DIR_INFORMATION = _FILE_BOTH_DIR_INFORMATION;
  PFILE_BOTH_DIR_INFORMATION = ^FILE_BOTH_DIR_INFORMATION;

  _FILE_NAME_INFORMATION = record
    FileNameLength: ULONG;
    FileName: array[0..0] of WCHAR;
  end;
  FILE_NAME_INFORMATION = _FILE_NAME_INFORMATION;
  PFILE_NAME_INFORMATION = ^FILE_NAME_INFORMATION;

  _FILE_ALLOCATION_INFORMATION = record
    AllocationSize: LARGE_INTEGER;
  end;
  FILE_ALLOCATION_INFORMATION = _FILE_ALLOCATION_INFORMATION;
  PFILE_ALLOCATION_INFORMATION = ^FILE_ALLOCATION_INFORMATION;

  _FILE_END_OF_FILE_INFORMATION = record
    EndOfFile: LARGE_INTEGER;
  end;
  FILE_END_OF_FILE_INFORMATION = _FILE_END_OF_FILE_INFORMATION;
  PFILE_END_OF_FILE_INFORMATION = ^FILE_END_OF_FILE_INFORMATION;

  _FILE_DIRECTORY_INFORMATION = record
    NextEntryOffset: ULONG;
    FileIndex: ULONG;
    CreationTime: LARGE_INTEGER;
    LastAccessTime: LARGE_INTEGER;
    LastWriteTime: LARGE_INTEGER;
    ChangeTime: LARGE_INTEGER;
    EndOfFile: LARGE_INTEGER;
    AllocationSize: LARGE_INTEGER;
    FileAttributes: ULONG;
    FileNameLength: ULONG;
    FileName: array[0..0] of WCHAR;
  end;
  FILE_DIRECTORY_INFORMATION = _FILE_DIRECTORY_INFORMATION;
  PFILE_DIRECTORY_INFORMATION = ^FILE_DIRECTORY_INFORMATION;

  //
  // APC Callback for NtCreateFile
  //
  PIO_APC_ROUTINE = procedure(
    ApcContext: PVOID;
    IoStatusBlock: PIO_STATUS_BLOCK;
    Reserved: ULONG); stdcall;