X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;ds=sidebyside;f=src%2Flibraries.cl;h=b58013da9df924677232e58f039ac4c2f10f931c;hb=9da7e692be03af191d9930169ebda2832232a7a8;hp=38e2f22f16e985954370104ef642c5e5eca45fe7;hpb=22b50a1703e3b29bbe6a120484ec46577e2bebf2;p=uffi.git

diff --git a/src/libraries.cl b/src/libraries.cl
index 38e2f22..b58013d 100644
--- a/src/libraries.cl
+++ b/src/libraries.cl
@@ -7,7 +7,7 @@
 ;;;; 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 1.10 2002/04/01 17:16:15 kevin Exp $
 ;;;;
 ;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -25,10 +25,47 @@
 (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 type 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 type
+    (setq type (default-foreign-library-type)))
+  (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)
+	(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))