;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: libraries.cl,v 1.6 2002/03/31 23:45:34 kevin Exp $
+;;;; $Id: libraries.cl,v 1.11 2002/04/01 20:40:36 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defun default-foreign-library-type ()
"Returns string naming default library type for platform"
#+(or win32 mswindows) "dll"
- #+freebsd "a"
- #+linux "so")
+ #-(or win32 mswindows) "so")
+
+(defun find-foreign-library (names directories &key types drive-letters)
+ "Looks for a foreign library. directories can be a single
+string or a list of strings of candidate directories. Use default
+library type if type is not specified."
+ (unless types
+ (setq types (default-foreign-library-type)))
+ (unless (listp types)
+ (setq types (list types)))
+ (unless (listp names)
+ (setq names (list names)))
+ (unless (listp directories)
+ (setq directories (list directories)))
+ #+(or win32 mswindows)
+ (unless (listp drive-letters)
+ (setq drive-letters (list drive-letters)))
+ #-(or win32 mswindows)
+ (setq drive-letters '(nil))
+ (dolist (drive-letter drive-letters)
+ (dolist (name names)
+ (dolist (dir directories)
+ (dolist (type types)
+ (let ((path (make-pathname
+ #+lispworks :host
+ #+lispworks (when drive-letter drive-letter)
+ #-lispworks :device
+ #-lispworks (when drive-letter drive-letter)
+ :name name
+ :type type
+ :directory
+ (etypecase dir
+ (pathname
+ (pathname-directory dir))
+ (list
+ dir)
+ (string
+ (pathname-directory
+ (parse-namestring dir)))))))
+ (when (probe-file path)
+ (return-from find-foreign-library path)))))))
+ nil)
+
-
(defun load-foreign-library (filename &key module supporting-libraries
force-load)
#+allegro (declare (ignore module supporting-libraries))