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- (**
- *
- * Module: dearcglb.pas
- * Description: DEARC global variables and type definitions
- *
- * Revision History:
- * 7-26-88 : unitized for Turbo v4.0
- *
- **)
-
-
- unit dearcglb;
-
- interface
-
- (*
- * constant definitions
- *)
- const
- BLOCKSIZE = 512; { I/O block size }
- arcmarc = 26; { special archive marker }
- arcver = 9; { max archive header version code }
- strlen = 100; { standard string length }
- fnlen = 12; { file name length - 1 }
-
- const crctab : array [0..255] of word =
- (
- $0000, $C0C1, $C181, $0140, $C301, $03C0, $0280, $C241,
- $C601, $06C0, $0780, $C741, $0500, $C5C1, $C481, $0440,
- $CC01, $0CC0, $0D80, $CD41, $0F00, $CFC1, $CE81, $0E40,
- $0A00, $CAC1, $CB81, $0B40, $C901, $09C0, $0880, $C841,
- $D801, $18C0, $1980, $D941, $1B00, $DBC1, $DA81, $1A40,
- $1E00, $DEC1, $DF81, $1F40, $DD01, $1DC0, $1C80, $DC41,
- $1400, $D4C1, $D581, $1540, $D701, $17C0, $1680, $D641,
- $D201, $12C0, $1380, $D341, $1100, $D1C1, $D081, $1040,
- $F001, $30C0, $3180, $F141, $3300, $F3C1, $F281, $3240,
- $3600, $F6C1, $F781, $3740, $F501, $35C0, $3480, $F441,
- $3C00, $FCC1, $FD81, $3D40, $FF01, $3FC0, $3E80, $FE41,
- $FA01, $3AC0, $3B80, $FB41, $3900, $F9C1, $F881, $3840,
- $2800, $E8C1, $E981, $2940, $EB01, $2BC0, $2A80, $EA41,
- $EE01, $2EC0, $2F80, $EF41, $2D00, $EDC1, $EC81, $2C40,
- $E401, $24C0, $2580, $E541, $2700, $E7C1, $E681, $2640,
- $2200, $E2C1, $E381, $2340, $E101, $21C0, $2080, $E041,
- $A001, $60C0, $6180, $A141, $6300, $A3C1, $A281, $6240,
- $6600, $A6C1, $A781, $6740, $A501, $65C0, $6480, $A441,
- $6C00, $ACC1, $AD81, $6D40, $AF01, $6FC0, $6E80, $AE41,
- $AA01, $6AC0, $6B80, $AB41, $6900, $A9C1, $A881, $6840,
- $7800, $B8C1, $B981, $7940, $BB01, $7BC0, $7A80, $BA41,
- $BE01, $7EC0, $7F80, $BF41, $7D00, $BDC1, $BC81, $7C40,
- $B401, $74C0, $7580, $B541, $7700, $B7C1, $B681, $7640,
- $7200, $B2C1, $B381, $7340, $B101, $71C0, $7080, $B041,
- $5000, $90C1, $9181, $5140, $9301, $53C0, $5280, $9241,
- $9601, $56C0, $5780, $9741, $5500, $95C1, $9481, $5440,
- $9C01, $5CC0, $5D80, $9D41, $5F00, $9FC1, $9E81, $5E40,
- $5A00, $9AC1, $9B81, $5B40, $9901, $59C0, $5880, $9841,
- $8801, $48C0, $4980, $8941, $4B00, $8BC1, $8A81, $4A40,
- $4E00, $8EC1, $8F81, $4F40, $8D01, $4DC0, $4C80, $8C41,
- $4400, $84C1, $8581, $4540, $8701, $47C0, $4680, $8641,
- $8201, $42C0, $4380, $8341, $4100, $81C1, $8081, $4040
- );
-
- type
- strtype = string[strlen];
- fntype = array [0..fnlen] of char;
- buftype = array [1..BLOCKSIZE] of byte;
- heads = record
- name : fntype;
- size : longint;
- date : word;
- time : word;
- crc : integer;
- length : longint
- end;
-
- var
- hdrver : byte;
- arcfile : file;
- arcbuf : buftype;
- arcptr : integer;
- arcname : strtype;
- endfile : boolean;
- extfile : file;
- extbuf : buftype;
- extptr : integer;
- extname : strtype;
- crcval : integer;
- size : longint;
- state : (NOHIST, INREP);
- firstch : boolean;
-
- implementation
-
- end.
-
-