forked from KolibriOS/kolibrios
169 lines
2.9 KiB
Plaintext
169 lines
2.9 KiB
Plaintext
(*
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BSD 2-Clause License
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Copyright (c) 2019, Anton Krotov
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All rights reserved.
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*)
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MODULE HOST;
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IMPORT SYSTEM, API, RTL;
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CONST
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slash* = "/";
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OS* = "LINUX";
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bit_depth* = RTL.bit_depth;
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maxint* = RTL.maxint;
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minint* = RTL.minint;
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VAR
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argc: INTEGER;
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eol*: ARRAY 2 OF CHAR;
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PROCEDURE ExitProcess* (code: INTEGER);
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BEGIN
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API.exit(code)
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END ExitProcess;
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PROCEDURE GetArg* (n: INTEGER; VAR s: ARRAY OF CHAR);
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VAR
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i, len, ptr: INTEGER;
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c: CHAR;
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BEGIN
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i := 0;
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len := LEN(s) - 1;
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IF (n < argc) & (len > 0) THEN
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SYSTEM.GET(API.MainParam + (n + 1) * SYSTEM.SIZE(INTEGER), ptr);
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REPEAT
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SYSTEM.GET(ptr, c);
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s[i] := c;
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INC(i);
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INC(ptr)
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UNTIL (c = 0X) OR (i = len)
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END;
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s[i] := 0X
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END GetArg;
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PROCEDURE GetCurrentDirectory* (VAR path: ARRAY OF CHAR);
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VAR
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n: INTEGER;
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BEGIN
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GetArg(0, path);
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n := LENGTH(path) - 1;
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WHILE path[n] # slash DO
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DEC(n)
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END;
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path[n + 1] := 0X
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END GetCurrentDirectory;
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PROCEDURE FileRead* (F: INTEGER; VAR Buffer: ARRAY OF CHAR; bytes: INTEGER): INTEGER;
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VAR
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res: INTEGER;
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BEGIN
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res := API.fread(SYSTEM.ADR(Buffer[0]), 1, bytes, F);
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IF res <= 0 THEN
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res := -1
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END
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RETURN res
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END FileRead;
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PROCEDURE FileWrite* (F: INTEGER; Buffer: ARRAY OF BYTE; bytes: INTEGER): INTEGER;
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VAR
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res: INTEGER;
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BEGIN
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res := API.fwrite(SYSTEM.ADR(Buffer[0]), 1, bytes, F);
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IF res <= 0 THEN
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res := -1
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END
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RETURN res
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END FileWrite;
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PROCEDURE FileCreate* (FName: ARRAY OF CHAR): INTEGER;
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RETURN API.fopen(SYSTEM.ADR(FName[0]), SYSTEM.SADR("wb"))
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END FileCreate;
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PROCEDURE FileClose* (File: INTEGER);
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BEGIN
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File := API.fclose(File)
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END FileClose;
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PROCEDURE FileOpen* (FName: ARRAY OF CHAR): INTEGER;
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RETURN API.fopen(SYSTEM.ADR(FName[0]), SYSTEM.SADR("rb"))
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END FileOpen;
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PROCEDURE OutChar* (c: CHAR);
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BEGIN
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API.putc(c)
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END OutChar;
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PROCEDURE GetTickCount* (): INTEGER;
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VAR
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tp: API.TP;
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res: INTEGER;
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BEGIN
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IF API.clock_gettime(0, tp) = 0 THEN
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res := tp[0] * 100 + tp[1] DIV 10000000
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ELSE
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res := 0
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END
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RETURN res
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END GetTickCount;
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PROCEDURE isRelative* (path: ARRAY OF CHAR): BOOLEAN;
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RETURN path[0] # slash
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END isRelative;
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PROCEDURE now* (VAR year, month, day, hour, min, sec: INTEGER);
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END now;
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PROCEDURE UnixTime* (): INTEGER;
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RETURN API.time(0)
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END UnixTime;
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PROCEDURE splitf* (x: REAL; VAR a, b: INTEGER): INTEGER;
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VAR
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res: INTEGER;
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BEGIN
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a := 0;
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b := 0;
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SYSTEM.MOVE(SYSTEM.ADR(x), SYSTEM.ADR(a), 4);
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SYSTEM.MOVE(SYSTEM.ADR(x) + 4, SYSTEM.ADR(b), 4);
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SYSTEM.GET(SYSTEM.ADR(x), res)
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RETURN res
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END splitf;
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BEGIN
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eol := 0AX;
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SYSTEM.GET(API.MainParam, argc)
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END HOST.
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