+ OS/2 implementation

rtl/os2/dynlibs.inc

@@ -0,0 +1,71 @@
+{
+    $Id$
+    This file is part of the Free Pascal run time library.
+    Copyright (c) 1999-2000 by the Free Pascal development team
+
+    Implements OS dependent part for loading of dynamic libraries.
+    
+    See the file COPYING.FPC, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ **********************************************************************}
+
+
+{$ifdef readinterface}
+
+{ ---------------------------------------------------------------------
+    Interface declarations
+  ---------------------------------------------------------------------}
+
+type
+ TLibHandle = longint;
+
+const
+ NilHandle = 0; 
+
+{$else}
+
+{ ---------------------------------------------------------------------
+    Implementation section
+  ---------------------------------------------------------------------}
+
+uses
+ DosCalls;
+
+function LoadLibrary (Name: AnsiString): TLibHandle;
+var
+ ErrPath: array [0..259] of char;
+ Handle: longint;
+begin
+ if DosLoadModule (@ErrPath, SizeOf (ErrPath), PChar (Name), Handle) <> 0)
+                                then Result := Handle else Result := NilHandle;
+end;
+
+function GetProcedureAddress (Lib: TLibHandle; ProcName: AnsiString): pointer;
+var
+ P: pointer;
+begin
+ if DosQueryProcAddr (Lib, 0, PChar (ProcName), @P) = 0 then Result := P
+                                                            else Result := nil;
+end;
+
+function UnloadLibrary (Lib: TLibHandle): boolean;
+begin
+ Result := DosFreeModule (Lib) = 0;
+end;
+
+{$endif}
+
+{
+  $Log$
+  Revision 1.1  2000-08-23 21:04:55  hajny
+    + OS/2 implementation
+
+  Revision 1.1  2000/08/18 19:15:34  michael
+  + Implemented loading of dynamical libraries
+
+}