From de6c38979da779441669d5ed8fc6cb569201f845 Mon Sep 17 00:00:00 2001
From: "Kevin M. Rosenberg" <kevin@rosenberg.net>
Date: Thu, 21 Mar 2002 16:47:59 +0000
Subject: [PATCH] r1613: Updated to use stack allocation

---
 ChangeLog      |  1 +
 Makefile       |  4 ++--
 src/objects.cl | 19 ++++++++++++++-----
 3 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index fe54d30..300f25e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,6 +16,7 @@ See TODO file -- actively maintained. Includes changes that you
 	* Added gethostname2 to examples/gethostname.cl which uses with-foreign-object
 	* Added char-array-to-pointer function to encapsulate converting a char array
 	to a pointer to char
+	* Converted with-foreign-object to use stack allocation on CMUCL and LW
 	
 20 Mar 2002
 	* Updated strings.cl so that foreign-strings are always unsigned.
diff --git a/Makefile b/Makefile
index 6be1b72..52b3aab 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 #  Programer:    Kevin M. Rosenberg, M.D.
 #  Date Started: Mar 2002
 #
-#  CVS Id:   $Id: Makefile,v 1.27 2002/03/21 14:49:14 kevin Exp $
+#  CVS Id:   $Id: Makefile,v 1.28 2002/03/21 16:47:59 kevin Exp $
 #
 # This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
 #
@@ -31,7 +31,7 @@ realclean: clean
 docs:
 	@(cd doc; make dist-doc)
 
-VERSION=0.2.11
+VERSION=0.2.12
 DISTDIR=uffi-${VERSION}
 DIST_TARBALL=${DISTDIR}.tar.gz
 DIST_ZIP=${DISTDIR}.zip
diff --git a/src/objects.cl b/src/objects.cl
index 7f10ab5..6a33f9b 100644
--- a/src/objects.cl
+++ b/src/objects.cl
@@ -1,4 +1,4 @@
-;;;; -*- Mode: ANSI-Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
 ;;;; *************************************************************************
 ;;;; FILE IDENTIFICATION
 ;;;;
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: objects.cl,v 1.12 2002/03/21 15:57:01 kevin Exp $
+;;;; $Id: objects.cl,v 1.13 2002/03/21 16:47:46 kevin Exp $
 ;;;;
 ;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -109,11 +109,20 @@ an array of TYPE with size SIZE."
 
 ;; Simple first pass. Will later create optimized routines for
 ;; various platforms.
-(defmacro with-foreign-object ((var type &rest etc) &rest body)
-  `(let ((,var (allocate-foreign-object ,type ,@etc)))
+(defmacro with-foreign-object ((var type) &rest body)
+  #+allegro
+  `(let ((,var (allocate-foreign-object ,type)))
     (unwind-protect
 	 (progn ,@body)
-      (free-foreign-object ,var))))
+      (free-foreign-object ,var)))
+  #+cmu
+  `(alien:with-alien ((,var ,(convert-from-uffi-type type :allocate)))
+    (setq ,var (alien:addr ,var))
+    ,@body)
+  #+lispworks
+  `(fli:with-dynamic-foreign-objects ((,var ,(convert-from-uffi-type type :allocate)))
+    ,@body)
+  )
 
 
 (defmacro with-foreign-objects (bindings &rest body)
-- 
2.34.1