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| unit uMain;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, dl;
type
TSubStrFunc = function(const CString:PChar;FromPos,ToPos: longint):PChar;cdecl;
TAnagrammeFunc = function(Txt: PChar): PChar; cdecl;
{ TForm1 }
TForm1 = class(TForm)
procedure FormShow(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
function dlopen(name: pchar;mode: longint):pointer;cdecl;external 'dl';
function dlsym(lib: pointer; name: pchar):pointer;cdecl;external 'dl';
function dlclose(lib: pointer):longint;cdecl;external 'dl';
var
Form1: TForm1;
HandleLib : Integer;
implementation
{$R *.lfm}
var
s: PChar;
FromPos, ToPos: Integer;
lib : pointer;
SubStr : TSubStrFunc;
Anagramme : TAnagrammeFunc;
{ TForm1 }
procedure TForm1.FormShow(Sender: TObject);
begin
lib := dlopen(pchar(IncludeTrailingPathDelimiter(ExtractFilePath(Application.ExeName))+'Subs.so'),1);
if lib = nil then
begin
Showmessage('libSubs.so introuvable !');
Halt(1);
end;
Pointer(Substr):=dlsym(lib,'SubStr');
Pointer(Anagramme) := dlsym(lib, 'Anagramme');
s := 'Test';
FromPos := 2;
ToPos := 3;
Showmessage(SubStr(s, FromPos, ToPos));
s := 'pascal';
Showmessage(Anagramme(s));
dlclose(lib);
end;
end. |
Partager