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- {MS-Pascal / MS-FORTRAN FCB Declaration Include File}
- INTERFACE; UNIT
- FILKQQ (FCBFQQ,
- accessmodes,
- am_read,
- am_readwrite,
- am_write,
- am_default,
- SHAREMODES,
- sm_compat,
- sm_denyrw,
- sm_denywr,
- sm_denyrd,
- sm_denynone,
- FILEMODES,
- SEQUENTIAL,
- TERMINAL,
- DIRECT,
- fm_sequential,
- fm_direct,
- fm_terminal);
-
- TYPE
- FILEMODES = (SEQUENTIAL, TERMINAL, DIRECT);
- SHAREMODES = (sm_compat, sm_denyrw, sm_denywr, sm_denyrd, sm_denynone);
- accessmodes = (am_read, am_write, am_readwrite, am_default);
-
- FCBFQQ = RECORD {byte offsets start every field comment}
- {fields accessible by Pascal user as <file variable>.<field>}
- TRAP: BOOLEAN; {00 Pascal user trapping errors if true}
- ERRS: WRD(0)..18; {01 error status, set only by all units}
- MODE: FILEMODES; {02 user file mode; not used in unit U}
- SHARE:SHAREMODES; {03 pad to word bound, special user use}
- {fields shared by units F, V, U; ERRC / ESTS are write-only}
- ERRC: WORD; {04 error code, error exists if nonzero}
- {1000..1099: set for unit U errors}
- {1100..1199: set for unit F errors}
- {1200..1299: set for unit V errors}
- ESTS: WORD; {06 error specific data usually from OS}
- CMOD: FILEMODES; {08 system file mode; copied from MODE}
- {fields set / used by units F and V, and read-only in unit U}
- TXTF: BOOLEAN; {09 true: formatted / ASCII / TEXT file}
- {false: not formatted / binary file}
- SIZE: WORD; {10 record size set when file is opened}
- {DIRECT: always fixed record length}
- {others: max buffer variable length}
- IERF: BOOLEAN; {12 Unit U Incomplete End Of Record }
- {Kluge. Set false by opnuqq and }
- {pccuqq, and true by peruqq. Thus }
- {if true in wefuqq, it means that }
- {there is an incomplete line, and }
- {pccuqq should be called to flush }
- {it. Only applies to terminal files}
- access: accessmodes;{13 controls read/write modes }
- OLDF: boolean; {14 true: must exist before open; RESET}
- {false: can create on open; REWRITE}
- INPT: BOOLEAN; {15 true: user is now reading from file}
- {false: user is now writing to file}
- RECL: WORD; {16 DIRECT record number, lo order word}
- RECH: WORD; {18 DIRECT record number, hi order word}
- USED: WORD; {20 number bytes used in current record}
- {fields used internally by units F or V not needed by unit U}
- LINK: ADR OF FCBFQQ;{22 DS offset address of next open file}
- BADR: ADRMEM; {24 F: DS offset address for buffer var}
- TMPF: BOOLEAN; {26 F: is a temp file; delete on CLOSE}
- FULL: BOOLEAN; {27 F: buffer variable lazy eval status}
- UNFM: BOOLEAN; {28 V: for unformatted binary file mode}
- OPEN: BOOLEAN; {29 F: file opened (by RESET / REWRITE)}
- FUNT: INTEGER; {30 V: FORTRAN unit number (1 to 32767)}
- ENDF: BOOLEAN; {32 V: last I/O statement was a ENDFILE}
- {fields set / used by unit U, and read-only in units F and V}
- REDY: BOOLEAN; {33 buffer ready if true; set by F / U}
- BCNT: WORD; {34 number of data bytes actually moved}
- EORF: BOOLEAN; {36 true if end of record read, written}
- EOFF: BOOLEAN; {37 end of file flag set after EOF read}
- {unit U (operating system) information starts here}
- {end of section for unit U specific OS information}
- END;
- const fm_sequential = sequential;
- fm_direct = direct;
- fm_terminal = terminal;
- END;