X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=uffi%2Fmcl%2Flibraries.cl;fp=uffi%2Fmcl%2Flibraries.cl;h=0f1e5b5b747bdeb242c423c7f1ff32243fa6f333;hb=e59d8c7edc1d6b3d3e1f8351c8d9a58bff19030a;hp=0000000000000000000000000000000000000000;hpb=93d37518cbd27aa8b7f313bb89b9523d5a40ec88;p=uffi.git diff --git a/uffi/mcl/libraries.cl b/uffi/mcl/libraries.cl new file mode 100644 index 0000000..0f1e5b5 --- /dev/null +++ b/uffi/mcl/libraries.cl @@ -0,0 +1,80 @@ +;;;; -*- 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 1.3 2002/08/23 19:21:54 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") \ No newline at end of file