;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; Copyright (c) 2002 Kevin M. Rosenberg
+;;;; $Id: libraries.cl,v 1.5 2002/03/21 04:05:15 kevin Exp $
;;;;
-;;;; $Id: libraries.cl,v 1.1 2002/03/09 19:55:33 kevin Exp $
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
-;;;; This file is part of the UFFI.
-;;;;
-;;;; UFFI is free software; you can redistribute it and/or modify
-;;;; it under the terms of the GNU General Public License (version 2) as
-;;;; published by the Free Software Foundation.
-;;;;
-;;;; UFFI 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. See the
-;;;; GNU General Public License for more details.
-;;;;
-;;;; You should have received a copy of the GNU General Public License
-;;;; along with UFFI; if not, write to the Free Software
-;;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+;;;; UFFI users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
(defvar *loaded-libraries* nil
"List of foreign libraries loaded. Used to prevent reloading a library")
-(defun load-foreign-library (filename module supporting-libraries)
+(defun load-foreign-library (filename &key module supporting-libraries
+ force-load)
#+allegro (declare (ignore module supporting-libraries))
#+lispworks (declare (ignore supporting-libraries))
#+cmu (declare (ignore module))
(when (and filename (probe-file filename))
- (if (find filename *loaded-libraries* :test #'string-equal)
+ (if (pathnamep filename) ;; ensure filename is a string to check if
+ (setq filename (namestring filename))) ; already loaded
+
+ (if (and (not force-load)
+ (find filename *loaded-libraries* :test #'string-equal))
t ;; return T, but don't reload library
(progn
#+cmu (alien:load-foreign filename
:libraries
(convert-supporting-libraries-to-string
supporting-libraries))
- #+lispworks (fli:register-module module :connection-style :automatic
+ #+lispworks (fli:register-module module
+ :connection-style :automatic
:real-name filename)
#+allegro (load filename)
- (push filename *loaded-libraries*))))
+ (push filename *loaded-libraries*)
+ t)))
)
(defun convert-supporting-libraries-to-string (libs)