kolibrios-gitea/programs/develop/oberon07/Lib/Linux32/In.ob07

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(*
BSD 2-Clause License
Copyright (c) 2020, Anton Krotov
All rights reserved.
*)
MODULE In;
IMPORT SYSTEM, Libdl;
CONST
MAX_LEN = 10240;
VAR
Done*: BOOLEAN;
s: ARRAY MAX_LEN + 4 OF CHAR;
sscanf: PROCEDURE [linux] (buf: INTEGER; fmt: INTEGER; adr: INTEGER): INTEGER;
gets: PROCEDURE [linux] (buf: INTEGER);
PROCEDURE String* (VAR str: ARRAY OF CHAR);
BEGIN
gets(SYSTEM.ADR(s[0]));
COPY(s, str);
str[LEN(str) - 1] := 0X;
Done := TRUE
END String;
PROCEDURE Int* (VAR x: INTEGER);
BEGIN
String(s);
Done := sscanf(SYSTEM.ADR(s[0]), SYSTEM.SADR("%d"), SYSTEM.ADR(x)) = 1
END Int;
PROCEDURE Real* (VAR x: REAL);
BEGIN
String(s);
Done := sscanf(SYSTEM.ADR(s[0]), SYSTEM.SADR("%lf"), SYSTEM.ADR(x)) = 1
END Real;
PROCEDURE Char* (VAR x: CHAR);
BEGIN
String(s);
x := s[0]
END Char;
PROCEDURE Ln*;
BEGIN
String(s)
END Ln;
PROCEDURE Open*;
BEGIN
Done := TRUE
END Open;
PROCEDURE init;
VAR
libc: INTEGER;
BEGIN
libc := Libdl.open("libc.so.6", Libdl.LAZY);
ASSERT(libc # 0);
SYSTEM.PUT(SYSTEM.ADR(sscanf), Libdl.sym(libc, "sscanf"));
ASSERT(sscanf # NIL);
SYSTEM.PUT(SYSTEM.ADR(gets), Libdl.sym(libc, "gets"));
ASSERT(gets # NIL);
END init;
BEGIN
init
END In.