mdw@git.distorted.org.uk Git - clg/blob - tools/sharedlib.lisp

   1 (asdf:oos 'asdf:load-op :uffi)
   2
   3 (defpackage #:sharedlib
   4   (:use #:common-lisp #:uffi)
   5   (:export #:load-shared-library))
   6
   7 (in-package #:sharedlib)
   8
   9
  10 (defparameter *library-paths* '("/usr/lib/"))
  11
  12
  13
  14 (defun load-shared-library (name &key init prototype initargs)
  15   (format t ";;; Loading shared library ~A~%" name)
  16   (let ((pathname (find-foreign-library name *library-paths*)))
  17     (if pathname
  18         (unless (load-foreign-library pathname)
  19           (error "Couldn't load shared library: ~A" pathname))
  20         (error "Shared library not found: ~A" name)))
  21   (when init
  22     (apply
  23      #'alien:alien-funcall
  24      (alien::%heap-alien
  25       (alien::make-heap-alien-info
  26        :type (alien::parse-alien-type (or prototype `(function c-call:void)))
  27        :sap-form (system:foreign-symbol-address init)))
  28      initargs)))