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https://github.com/KolibriOS/kolibrios.git
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69 lines
1.3 KiB
Plaintext
69 lines
1.3 KiB
Plaintext
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(*
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BSD 2-Clause License
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Copyright (c) 2018, Anton Krotov
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All rights reserved.
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*)
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MODULE UNIXTIME;
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VAR
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days: ARRAY 12, 31, 2 OF INTEGER;
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PROCEDURE init;
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VAR
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i, j, k, n0, n1: INTEGER;
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BEGIN
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FOR i := 0 TO 11 DO
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FOR j := 0 TO 30 DO
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days[i, j, 0] := 0;
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days[i, j, 1] := 0;
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END
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END;
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days[ 1, 28, 0] := -1;
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FOR k := 0 TO 1 DO
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days[ 1, 29, k] := -1;
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days[ 1, 30, k] := -1;
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days[ 3, 30, k] := -1;
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days[ 5, 30, k] := -1;
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days[ 8, 30, k] := -1;
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days[10, 30, k] := -1;
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END;
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n0 := 0;
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n1 := 0;
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FOR i := 0 TO 11 DO
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FOR j := 0 TO 30 DO
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IF days[i, j, 0] = 0 THEN
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days[i, j, 0] := n0;
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INC(n0)
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END;
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IF days[i, j, 1] = 0 THEN
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days[i, j, 1] := n1;
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INC(n1)
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END
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END
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END
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END init;
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PROCEDURE time* (year, month, day, hour, min, sec: INTEGER): INTEGER;
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VAR
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d, s: INTEGER;
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BEGIN
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d := (year - 1970) * 365 + days[month - 1, day - 1, ORD(year DIV 4 = 0)] + (year - 1969) DIV 4;
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s := d * 86400 + hour * 3600 + min * 60 + sec
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RETURN s
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END time;
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BEGIN
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init
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END UNIXTIME.
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