-;;;; -*- 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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