X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=uffi%2Fmcl%2Flibraries.cl;fp=uffi%2Fmcl%2Flibraries.cl;h=ae78b6ad6a212b782b865c5f7dc34856189e866f;hb=1ab81b8bacd3df5ac0558eb0deb6fee8decd6b27;hp=0000000000000000000000000000000000000000;hpb=4464cb9bed614c141d39ffaf72328cfc4d5a1452;p=uffi.git

diff --git a/uffi/mcl/libraries.cl b/uffi/mcl/libraries.cl
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+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10; Package: UFFI -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          libraries.cl
+;;;; Purpose:       UFFI source to load foreign libraries
+;;;; Programmers:   Kevin M. Rosenberg and John DeSoi
+;;;; Date Started:  Feb 2002
+;;;;
+;;;; $Id: libraries.cl,v 1.1 2002/08/02 14:39:12 kevin Exp $
+;;;;
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;; and John DeSoi
+;;;;
+;;;; 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)))
+(in-package :uffi)
+
+(defvar *loaded-libraries* nil
+  "List of foreign libraries loaded. Used to prevent reloading a library")
+
+;in MCL calling this more than once for the same library does not do anything
+(defmacro load-foreign-library (filename &key module supporting-libraries)
+  (declare (ignore module supporting-libraries))
+  `(eval-when (:compile-toplevel :load-toplevel :execute)
+     (when (ccl:add-to-shared-library-search-path ,filename t) 
+       (pushnew ,filename *loaded-libraries*))))
+
+;; Copied directly from main source without MCL specializations
+(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)
+
+
+;; Copied directly from main source without MCL specializations
+(defun default-foreign-library-type ()
+  "Returns string naming default library type for platform"
+  #+(or win32 mswindows) "dll"
+  #-(or win32 mswindows) "so")
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