(* Release 3.10 *)
(*-------------------------------------------------------------------------*
*                                                                          *
*  FILESYST.DEF                                                            *
*                                                                          *
*  COPYRIGHT (C) 1989..1992 Clarion Software Corporation.                  *
*  All Rights Reserved                                                     *
*                                                                          *
*--------------------------------------------------------------------------*)

(*# call(o_a_copy => off,
         o_a_size => on) *)
(*# module(init_code => on) *)
(*%F _fdata *)
(*# call(seg_name => null) *)
(*%E *)

(*# data(seg_name => null) *)

DEFINITION MODULE FileSystem;

IMPORT FIO;

CONST
    BufferSize = 512;
    EOL = CHAR(0AH);

TYPE
    FileNameType = ARRAY [0..80] OF CHAR;
    BufferPtr = POINTER TO ARRAY [0..BufferSize-1] OF BYTE;
TYPE
    Response = (done, notdone, notsupported, callerror, unknownmedium,
                unknownfile, paramerror, toomanyfiles, eom, deviceoff,
                softparityerror, softprotected, softerror, hardparityerror,
                hardprotected, timeout, harderror, unknownpath);

    Command = (create, open, close, lookup, rename, setread, setwrite,
               setmodify, setopen, doio, setpos, getpos, length, reset, again,
               readword, writeword, readchar, writechar);

    Flag = (ag, rd, wr, mo, tf, er, pi);
    FlagSet = SET OF Flag;

    File = RECORD
         res: Response;
         flags: FlagSet;
         eof: BOOLEAN;
         fileno: FIO.File;
         again: WORD;
         name: FileNameType;
         buffer: BufferPtr;
    END;

PROCEDURE Create(VAR f: File; Device: ARRAY OF CHAR);

PROCEDURE Close(VAR f: File);

PROCEDURE Lookup(VAR f: File; Filename: ARRAY OF CHAR; New: BOOLEAN);

PROCEDURE Rename(VAR f: File; Filename: ARRAY OF CHAR);

PROCEDURE SetRead(VAR f: File);

PROCEDURE SetWrite(VAR f: File);

PROCEDURE SetModify(VAR f: File);

PROCEDURE SetOpen(VAR f: File);

PROCEDURE Doio(VAR f: File);

PROCEDURE SetPos(VAR f: File; HighPos, LowPos: CARDINAL);

PROCEDURE GetPos(VAR f: File; VAR HighPos, LowPos: CARDINAL);

PROCEDURE Length(VAR f: File; VAR HighPos, LowPos: CARDINAL);

PROCEDURE Reset(VAR f: File);

PROCEDURE Again(VAR f: File);

PROCEDURE ReadWord(VAR f: File; VAR w: WORD);

PROCEDURE WriteWord(VAR f: File; w: WORD);

PROCEDURE ReadChar(VAR f: File; VAR ch: CHAR);

PROCEDURE WriteChar(VAR f: File; ch: CHAR);


END FileSystem.