r2912: rename .cl to .lisp

[uffi.git] / examples / union.lisp

diff --git a/examples/union.lisp b/examples/union.lisp
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+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:          union.cl
+;;;; Purpose:       UFFI Example file to test unions
+;;;; Programmer:    Kevin M. Rosenberg
+;;;; Date Started:  Mar 2002
+;;;;
+;;;; $Id: union.lisp,v 1.1 2002/09/30 10:02:36 kevin Exp $
+;;;;
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;;
+;;;; 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.
+;;;; *************************************************************************
+
+(in-package :cl-user)
+
+(uffi:def-union tunion1 
+    (char :char)
+  (int :int)
+  (uint :unsigned-int)
+  (sf :float)
+  (df :double))
+
+(defun run-union-1 ()
+  (let ((u (uffi:allocate-foreign-object 'tunion1)))
+    (setf (uffi:get-slot-value u 'tunion1 'uint)
+      ;; little endian
+      #-(or sparc sparc-v9 powerpc ppc)
+      (+ (* 1 (char-code #\A))
+        (* 256 (char-code #\B))
+        (* 65536 (char-code #\C))
+        (* 16777216 128))
+      ;; big endian
+      #+(or sparc sparc-v9 powerpc ppc)
+      (+ (* 16777216 (char-code #\A))
+        (* 65536 (char-code #\B))
+        (* 256 (char-code #\C))
+        (* 1 128)))
+    (format *standard-output* "~&Should be #\A: ~S" 
+           (uffi:ensure-char-character 
+            (uffi:get-slot-value u 'tunion1 'char)))
+    (format *standard-output* "~&Should be negative number: ~D" 
+           (uffi:get-slot-value u 'tunion1 'int))
+    (format *standard-output* "~&Should be positive number: ~D"
+           (uffi:get-slot-value u 'tunion1 'uint))
+    (uffi:free-foreign-object u))
+  (values))
+
+#+test-uffi
+(defun test-union-1 ()
+  (let ((u (uffi:allocate-foreign-object 'tunion1)))
+    (setf (uffi:get-slot-value u 'tunion1 'uint)
+         #-(or sparc sparc-v9 powerpc ppc)
+         (+ (* 1 (char-code #\A))
+            (* 256 (char-code #\B))
+            (* 65536 (char-code #\C))
+            (* 16777216 128))
+         #+(or sparc sparc-v9 powerpc ppc)
+         (+ (* 16777216 (char-code #\A))
+            (* 65536 (char-code #\B))
+            (* 256 (char-code #\C))
+            (* 1 128))) ;set signed bit
+    (util.test:test (uffi:ensure-char-character 
+               (uffi:get-slot-value u 'tunion1 'char))
+              #\A
+              :test #'eql
+              :fail-info "Error with union character")
+    #-(or sparc sparc-v9 mcl)
+    (util.test:test (> 0 (uffi:get-slot-value u 'tunion1 'int))
+              t
+              :fail-info
+              "Error with negative int in union")
+    (util.test:test (plusp (uffi:get-slot-value u 'tunion1 'uint))
+              t
+              :fail-info
+              "Error with unsigned int in union")
+    (uffi:free-foreign-object u))
+  (values))
+
+#+examples-uffi
+(run-union-1)
+
+
+#+test-uffi
+(test-union-1)