;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: aggregates.lisp,v 1.1 2002/09/30 10:02:36 kevin Exp $
+;;;; $Id: aggregates.lisp,v 1.2 2002/10/14 01:51:15 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
#+allegro `((ff:def-foreign-type ,enum-name :int))
#+lispworks `((fli:define-c-typedef ,enum-name :int))
#+cmu `((alien:def-alien-type ,enum-name alien:signed))
+ #+sbcl `((sb-alien:def-alien-type ,enum-name sb-alien:signed))
#+(and mcl (not openmcl)) `((def-mcl-type ,enum-name :integer))
#+openmcl `((ccl::def-foreign-type ,enum-name :int))
(nreverse constants)))
#+cmu
`(alien:def-alien-type ,name-array
(* ,(convert-from-uffi-type type :array)))
+ #+sbcl
+ `(sb-alien:def-alien-type ,name-array
+ (* ,(convert-from-uffi-type type :array)))
#+(and mcl (not openmcl))
`(def-mcl-type ,name-array '(:array ,type))
#+openmcl
(def (append (list field-name)
(if (eq type :pointer-self)
#+cmu `((* (alien:struct ,name)))
+ #+sbcl `((* (sb-alien:struct ,name)))
#+mcl `((:* (:struct ,name)))
- #-(or cmu mcl) `((* ,name))
+ #-(or cmu sbcl mcl) `((* ,name))
`(,(convert-from-uffi-type type :struct))))))
(if variant
(push (list def) processed)
(defmacro def-struct (name &rest fields)
#+cmu
`(alien:def-alien-type ,name (alien:struct ,name ,@(process-struct-fields name fields)))
+ #+sbcl
+ `(sb-alien:def-alien-type ,name (sb-alien:struct ,name ,@(process-struct-fields name fields)))
#+allegro
`(ff:def-foreign-type ,name (:struct ,@(process-struct-fields name fields)))
#+lispworks
(defmacro get-slot-value (obj type slot)
- #+(or lispworks cmu) (declare (ignore type))
+ #+(or lispworks cmu sbcl) (declare (ignore type))
#+allegro
`(ff:fslot-value-typed ,type :c ,obj ,slot)
#+lispworks
`(fli:foreign-slot-value ,obj ,slot)
#+cmu
`(alien:slot ,obj ,slot)
+ #+sbcl
+ `(sb-alien:slot ,obj ,slot)
#+mcl
`(ccl:pref ,obj ,(read-from-string (format nil ":~a.~a" (keyword type) (keyword slot))))
)
(defmacro get-slot-pointer (obj type slot)
- #+(or lispworks cmu) (declare (ignore type))
+ #+(or lispworks cmu sbcl) (declare (ignore type))
#+allegro
`(ff:fslot-value-typed ,type :c ,obj ,slot)
#+lispworks
`(fli:foreign-slot-pointer ,obj ,slot)
#+cmu
`(alien:slot ,obj ,slot)
+ #+sbcl
+ `(sb-alien:slot ,obj ,slot)
#+(and mcl (not openmcl))
`(ccl:%int-to-ptr (+ (ccl:%ptr-to-int ,obj) (the fixnum (ccl:field-info ,type ,slot))))
#+openmcl
(defmacro deref-array (obj type i)
"Returns a field from a row"
- #+(or lispworks cmu) (declare (ignore type))
+ #+(or lispworks cmu sbcl) (declare (ignore type))
#+cmu `(alien:deref ,obj ,i)
+ #+sbcl `(sb-alien:deref ,obj ,i)
#+lispworks `(fli:dereference ,obj :index ,i)
#+allegro `(ff:fslot-value-typed (quote ,(convert-from-uffi-type type :type)) :c ,obj ,i)
#+mcl
`(fli:define-c-union ,name ,@(process-struct-fields name fields))
#+cmu
`(alien:def-alien-type ,name (alien:union ,name ,@(process-struct-fields name fields)))
+ #+sbcl
+ `(sb-alien:def-alien-type ,name (sb-alien:union ,name ,@(process-struct-fields name fields)))
#+(and mcl (not openmcl))
`(ccl:defrecord ,name (:variant ,@(process-struct-fields name fields t)))
#+openmcl
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: functions.lisp,v 1.2 2002/10/01 17:05:29 kevin Exp $
+;;;; $Id: functions.lisp,v 1.3 2002/10/14 01:51:15 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defun process-function-args (args)
(if (null args)
- #+(or lispworks cmu cormanlisp (and mcl (not openmcl))) nil
+ #+(or lispworks cmu sbcl cormanlisp (and mcl (not openmcl))) nil
#+allegro '(:void)
#+mcl (values nil nil)
;; args not null
- #+(or lispworks allegro cmu (and mcl (not openmcl)) cormanlisp)
+ #+(or lispworks allegro cmu sbcl (and mcl (not openmcl)) cormanlisp)
(let (processed)
(dolist (arg args)
(push (process-one-function-arg arg) processed))
(defun process-one-function-arg (arg)
(let ((name (car arg))
(type (convert-from-uffi-type (cadr arg) :routine)))
- #+cmu
+ #+(or cmu sbcl)
(list name type :in)
#+(or allegro lispworks (and mcl (not openmcl)))
(if (and (listp type) (listp (car type)))
;; name is either a string representing foreign name, or a list
;; of foreign-name as a string and lisp name as a symbol
(defmacro def-function (names args &key module returning)
- #+(or cmu allegro mcl cormanlisp) (declare (ignore module))
+ #+(or cmu sbcl allegro mcl cormanlisp) (declare (ignore module))
(let* ((result-type (convert-from-uffi-type returning :return))
(function-args (process-function-args args))
`(alien:def-alien-routine (,foreign-name ,lisp-name)
,result-type
,@function-args)
+ #+sbcl
+ `(sb-alien:def-alien-routine (,foreign-name ,lisp-name)
+ ,result-type
+ ,@function-args)
#+lispworks
`(fli:define-foreign-function (,lisp-name ,foreign-name :source)
,function-args
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: libraries.lisp,v 1.1 2002/09/30 10:02:36 kevin Exp $
+;;;; $Id: libraries.lisp,v 1.2 2002/10/14 01:51:15 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defun load-foreign-library (filename &key module supporting-libraries
force-load)
- #+allegro (declare (ignore module supporting-libraries))
- #+lispworks (declare (ignore supporting-libraries))
- #+cmu (declare (ignore module))
- #+openmcl (declare (ignore module supporting-libraries))
+ #+(or allegro lispworks openmcl) (declare (ignore module supporting-libraries))
+ #+(or cmu sbcl) (declare (ignore module))
(when (and filename (probe-file filename))
(if (pathnamep filename) ;; ensure filename is a string to check if
:libraries
(convert-supporting-libraries-to-string
supporting-libraries))))
+ #+sbcl
+ (sb-alien:load-foreign filename
+ :libraries
+ (convert-supporting-libraries-to-string
+ supporting-libraries))
#+lispworks (fli:register-module module :real-name filename)
#+allegro (load filename)
#+openmcl (ccl:open-shared-library filename)
+++ /dev/null
-;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: UFFI -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: readmacros-mcl.cl
-;;;; Purpose: UFFI source to handle objects and pointers
-;;;; Programmer: Kevin M. Rosenberg
-;;;; Date Started: Feb 2002
-;;;;
-;;;; $Id: objects-mcl.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.
-;;;; *************************************************************************
-
-(declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
-(in-package :uffi)
-
-;; trap macros don't work right directly in the macros
-(eval-when (:compile-toplevel :load-toplevel :execute)
-
- #+(and mcl (not openmcl))
- (defun new-ptr (size)
- (#_NewPtr size))
-
- #+(and mcl (not openmcl))
- (defun dispose-ptr (ptr)
- (#_DisposePtr ptr))
-
- #+openmcl
- (defmacro new-ptr (size)
- `(ccl::malloc ,size))
-
- #+openmcl
- (defmacro dispose-ptr (ptr)
- `(ccl::free ,ptr))
- )
-
-
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: objects.lisp,v 1.1 2002/09/30 10:02:36 kevin Exp $
+;;;; $Id: objects.lisp,v 1.2 2002/10/14 01:51:15 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
#+lispworks (fli:size-of type)
#+allegro (ff:sizeof-fobject type)
#+cmu (ash (eval `(alien:alien-size ,type)) -3) ;; convert from bits to bytes
+ #+sbcl (ash (eval `(sb-alien:alien-size ,type)) -3) ;; convert from bits to bytes
#+clisp (values (ffi:size-of type))
#+(and mcl (not openmcl))
(let ((mcl-type (ccl:find-mactype type nil t)))
(progn
#+cmu
`(alien:make-alien ,(convert-from-uffi-type (eval type) :allocation))
+ #+sbcl
+ `(sb-alien:make-alien ,(convert-from-uffi-type (eval type) :allocation))
#+lispworks
`(fli:allocate-foreign-object :type ',(convert-from-uffi-type type :allocate))
#+allegro
(progn
#+cmu
`(alien:make-alien ,(convert-from-uffi-type (eval type) :allocation) ,size)
+ #+sbcl
+ `(sb-alien:make-alien ,(convert-from-uffi-type (eval type) :allocation) ,size)
#+lispworks
`(fli:allocate-foreign-object :type ',(convert-from-uffi-type type :allocate) :nelems ,size)
#+allegro
(defmacro free-foreign-object (obj)
#+cmu
`(alien:free-alien ,obj)
+ #+sbcl
+ `(sb-alien:free-alien ,obj)
#+lispworks
`(fli:free-foreign-object ,obj)
#+allegro
#+lispworks `(fli:null-pointer-p ,obj)
#+allegro `(zerop ,obj)
#+cmu `(alien:null-alien ,obj)
+ #+sbcl `(sb-alien:null-alien ,obj)
#+mcl `(ccl:%null-ptr-p ,obj)
)
(defmacro make-null-pointer (type)
- #+(or allegro cmu mcl) (declare (ignore type))
-
+ #+(or allegro cmu sbcl mcl) (declare (ignore type))
#+cmu `(system:int-sap 0)
+ #+sbcl `(sb-sys:int-sap 0)
#+allegro 0
#+lispworks `(fli:make-pointer :address 0 :type ,type)
#+mcl `(ccl:%null-ptr)
(defmacro char-array-to-pointer (obj)
#+cmu `(alien:cast ,obj (* (alien:unsigned 8)))
+ #+sbcl `(sb-alien:cast ,obj (* (sb-alien:unsigned 8)))
#+lispworks `(fli:make-pointer :type '(:unsigned :char)
:address (fli:pointer-address ,obj))
#+allegro obj
(defmacro deref-pointer (ptr type)
"Returns a object pointed"
- #+(or cmu lispworks) (declare (ignore type))
+ #+(or cmu sbcl lispworks) (declare (ignore type))
#+cmu `(alien:deref ,ptr)
+ #+sbcl `(sb-alien:deref ,ptr)
#+lispworks `(fli:dereference ,ptr)
#+allegro `(ff:fslot-value-typed ,(convert-from-uffi-type type :deref) :c ,ptr)
#+mcl `(ccl:pref ,ptr ,(convert-from-uffi-type type :deref))
(defmacro ensure-char-character (obj)
obj)
-#+(or allegro cmu openmcl)
+#+(or allegro cmu sbcl openmcl)
(defmacro ensure-char-character (obj)
`(code-char ,obj))
(defmacro ensure-char-integer (obj)
`(char-code ,obj))
-#+(or allegro cmu openmcl)
+#+(or allegro cmu sbcl openmcl)
(defmacro ensure-char-integer (obj)
obj)
(defmacro pointer-address (obj)
#+cmu
`(system:sap-int (alien:alien-sap ,obj))
+ #+sbcl
+ `(sb-sys:sap-int (sb-alien:alien-sap ,obj))
#+lispworks
`(fli:pointer-address ,obj)
#+allegro
;; TYPE is evaluated.
#-mcl
(defmacro with-foreign-object ((var type) &rest body)
- #-(or cmu lispworks) ; default version
+ #-(or cmu sbcl lispworks) ; default version
`(let ((,var (allocate-foreign-object ,type)))
(unwind-protect
(progn ,@body)
`(alien:with-alien ((,obj ,(convert-from-uffi-type (eval type) :allocate)))
(let ((,var (alien:addr ,obj)))
,@body)))
+ #+sbcl
+ (let ((obj (gensym)))
+ `(sb-alien:with-alien ((,obj ,(convert-from-uffi-type (eval type) :allocate)))
+ (let ((,var (sb-alien:addr ,obj)))
+ ,@body)))
#+lispworks
`(fli:with-dynamic-foreign-objects ((,var ,(convert-from-uffi-type
(eval type) :allocate)))
--- /dev/null
+;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10; Package: UFFI -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name: os.cl
+;;;; Purpose: Operating system interface for UFFI
+;;;; Programmer: Kevin M. Rosenberg
+;;;; Date Started: Sep 2002
+;;;;
+;;;; $Id: os.lisp,v 1.1 2002/10/14 01:51:15 kevin Exp $
+;;;;
+;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg.
+;;;; Much of this code was taken from other open source project and copyright
+;;;; for that code is noted below where appropriate.
+;;;;
+;;;; 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)
+
+
+;; Take from ASDF -- Copyright Dan Barlow and Contributors
+
+(defun run-shell-command (control-string &rest args)
+ "Interpolate ARGS into CONTROL-STRING as if by FORMAT, and
+synchronously execute the result using a Bourne-compatible shell, with
+output to *trace-output*. Returns the shell's exit code."
+ (let ((command (apply #'format nil control-string args)))
+ (format *trace-output* "; $ ~A~%" command)
+ #+sbcl
+ (sb-impl::process-exit-code
+ (sb-ext:run-program
+ "/bin/sh"
+ (list "-c" command)
+ :input nil :output *trace-output*))
+
+ #+(or cmu scl)
+ (ext:process-exit-code
+ (ext:run-program
+ "/bin/sh"
+ (list "-c" command)
+ :input nil :output *trace-output*))
+
+ #+allegro
+ (excl:run-shell-command command :input nil :output *trace-output*)
+
+ #+lispworks
+ (system:call-system-showing-output
+ command
+ :shell-type "/bin/sh"
+ :output-stream *trace-output*)
+
+ #+clisp ;XXX not exactly *trace-output*, I know
+ (ext:run-shell-command command :output :terminal :wait t)
+
+ #+openmcl
+ (nth-value 1
+ (ccl:external-process-status
+ (ccl:run-program "/bin/sh" (list "-c" command)
+ :input nil :output *trace-output*
+ :wait t)))
+
+ #-(or openmcl clisp lispworks allegro scl cmu sbcl)
+ (error "RUN-SHELL-PROGRAM not implemented for this Lisp")
+ ))
#:find-foreign-library
#:load-foreign-library
#:default-foreign-library-type
+
+ ;; OS
+ #:run-shell-command
))
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: primitives.lisp,v 1.2 2002/10/01 17:05:29 kevin Exp $
+;;;; $Id: primitives.lisp,v 1.3 2002/10/14 01:51:15 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(eval-when (:compile-toplevel :load-toplevel :execute)
(defvar +type-conversion-hash+ (make-hash-table :size 20))
- #+(or cmu sbcl) (defvar +cmu-def-type-hash+ (make-hash-table :size 20))
+ #+(or cmu sbcl) (defvar *cmu-def-type-hash* (make-hash-table :size 20))
)
+#+(or cmu sbcl)
+(defparameter *cmu-sbcl-def-type-list* nil)
+
#+cmu
-(defconstant +cmu-def-type-list+
+(defparameter *cmu-sbcl-def-type-list*
'((:char . (alien:signed 8))
(:unsigned-char . (alien:unsigned 8))
(:byte . (alien:signed 8))
)
"Conversions in CMUCL for def-foreign-type are different than in def-function")
#+sbcl
-(defconstant +cmu-def-type-list+
+(defparameter *cmu-sbcl-def-type-list*
'((:char . (sb-alien:signed 8))
(:unsigned-char . (sb-alien:unsigned 8))
(:byte . (sb-alien:signed 8))
)
"Conversions in SBCL for def-foreign-type are different than in def-function")
-(defparameter +type-conversion-list+ nil)
+(defparameter *type-conversion-list* nil)
#+cmu
-(setq +type-conversion-list+
+(setq *type-conversion-list*
'((* . *) (:void . c-call:void)
(:short . c-call:short)
(:pointer-void . (* t))
(:array . alien:array)))
#+sbcl
-(setq +type-conversion-list+
- '((* . *) (:void . void)
- (:short . short)
+(setq *type-conversion-list*
+ '((* . *) (:void . sb-alien:void)
+ (:short . sb-alien:short)
(:pointer-void . (* t))
- (:cstring . c-string)
- (:char . char)
+ (:cstring . sb-alien:c-string)
+ (:char . sb-alien:char)
(:unsigned-char . (sb-alien:unsigned 8))
(:byte . (sb-alien:signed 8))
(:unsigned-byte . (sb-alien:unsigned 8))
- (:short . unsigned-short)
- (:unsigned-short . unsigned-short)
- (:int . integer) (:unsigned-int . unsigned-int)
- (:long . long) (:unsigned-long . unsigned-long)
- (:float . float) (:double . double)
- (:array . array)))
+ (:short . sb-alien:unsigned-short)
+ (:unsigned-short . sb-alien:unsigned-short)
+ (:int . sb-alien:integer) (:unsigned-int . sb-alien:unsigned-int)
+ (:long . sb-alien:long) (:unsigned-long . sb-alien:unsigned-long)
+ (:float . sb-alien:float) (:double . sb-alien:double)
+ (:array . sb-alien:array)))
#+(or allegro cormanlisp)
-(setq +type-conversion-list+
+(setq *type-conversion-list*
'((* . *) (:void . :void)
(:short . :short)
(:pointer-void . (* :void))
(:array . :array)))
#+lispworks
-(setq +type-conversion-list+
+(setq *type-conversion-list*
'((* . :pointer) (:void . :void)
(:short . :short)
(:pointer-void . (:pointer :void))
(:array . :c-array)))
#+(and mcl (not openmcl))
-(setq +type-conversion-list+
+(setq *type-conversion-list*
'((* . :pointer) (:void . :void)
(:short . :short) (:unsigned-short . :unsigned-short)
(:pointer-void . :pointer)
(:array . :array)))
#+openmcl
-(setq +type-conversion-list+
+(setq *type-conversion-list*
'((* . :address) (:void . :void)
(:short . :short) (:unsigned-short . :unsigned-short)
(:pointer-void . :address)
(:float . :single-float) (:double . :double-float)
(:array . :array)))
-(dolist (type +type-conversion-list+)
+(dolist (type *type-conversion-list*)
(setf (gethash (car type) +type-conversion-hash+) (cdr type)))
#+(or cmu sbcl)
-(dolist (type +cmu-def-type-list+)
- (setf (gethash (car type) +cmu-def-type-hash+) (cdr type)))
+(dolist (type *cmu-sbcl-def-type-list*)
+ (setf (gethash (car type) *cmu-def-type-hash*) (cdr type)))
(defun basic-convert-from-uffi-type (type)
(let ((found-type (gethash type +type-conversion-hash+)))
(setq type '((* :char) integer)))
#+(or cmu sbcl)
((eq context :type)
- (let ((cmu-type (gethash type +cmu-def-type-hash+)))
+ (let ((cmu-type (gethash type *cmu-def-type-hash*)))
(if cmu-type
cmu-type
(basic-convert-from-uffi-type type))))
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: strings.lisp,v 1.1 2002/09/30 10:02:36 kevin Exp $
+;;;; $Id: strings.lisp,v 1.2 2002/10/14 01:51:15 kevin Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defvar +null-cstring-pointer+
#+cmu nil
+ #+sbcl nil
#+allegro 0
#+lispworks (fli:make-pointer :address 0 :type '(:unsigned :char))
#+mcl (ccl:%null-ptr)
"Converts a string from a c-call. Same as convert-from-foreign-string, except
that LW/CMU automatically converts strings from c-calls."
#+cmu obj
+ #+sbcl obj
#+lispworks obj
#+allegro
(let ((stored (gensym)))
(defmacro convert-to-cstring (obj)
#+cmu obj
+ #+sbcl obj
#+lispworks obj
#+allegro
`(if (null ,obj)
)
(defmacro free-cstring (obj)
- #+cmu (declare (ignore obj))
- #+lispworks (declare (ignore obj))
+ #+(or cmu sbcl lispworks) (declare (ignore obj))
#+allegro
`(unless (zerop obj)
(ff:free-fobject ,obj))
)
(defmacro with-cstring ((cstring lisp-string) &body body)
- #+cmu
- `(let ((,cstring ,lisp-string)) ,@body)
- #+lispworks
+ #+(or cmu sbcl lispworks)
`(let ((,cstring ,lisp-string)) ,@body)
#+allegro
(let ((acl-native (gensym)))
(setf (alien:deref ,storage ,i) (char-code (char ,obj ,i))))
(setf (alien:deref ,storage ,size) 0))
,storage))))
+ #+sbcl
+ (let ((size (gensym))
+ (storage (gensym))
+ (i (gensym)))
+ `(etypecase ,obj
+ (null
+ (sb-alien:sap-alien (sb-sys:int-sap 0) (* (sb-alien:unsigned 8))))
+ (string
+ (let* ((,size (length ,obj))
+ (,storage (sb-alien:make-alien (sb-alien:unsigned 8) (1+ ,size))))
+ (setq ,storage (sb-alien:cast ,storage (* (sb-alien:unsigned 8))))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (dotimes (,i ,size)
+ (declare (fixnum ,i))
+ (setf (sb-alien:deref ,storage ,i) (char-code (char ,obj ,i))))
+ (setf (sb-alien:deref ,storage ,size) 0))
+ ,storage))))
#+mcl
`(if (null ,obj)
+null-cstring-pointer+
(cmucl-naturalize-cstring (alien:alien-sap ,obj)
:length ,length
:null-terminated-p ,null-terminated-p))
+ #+sbcl
+ `(if (null-pointer-p ,obj)
+ nil
+ (sbcl-naturalize-cstring (sb-alien:alien-sap ,obj)
+ :length ,length
+ :null-terminated-p ,null-terminated-p))
#+mcl
(declare (ignore null-terminated-p))
#+mcl
,(if ,unsigned
'(* (alien:unsigned 8))
'(* (alien:signed 8)))))))
+ #+sbcl
+ (let ((array-def (gensym)))
+ `(let ((,array-def (list 'sb-alien:array 'char ,size)))
+ (eval `(alien:cast (sb-alien:make-alien ,,array-def)
+ ,(if ,unsigned
+ '(* (sb-alien:unsigned 8))
+ '(* (sb-alien:signed 8)))))))
#+lispworks
`(fli:allocate-foreign-object :type
,(if unsigned
vm:word-bits)
(* length vm:byte-bits))
result)))
+
+#+sbcl
+(defun sbcl-naturalize-cstring (sap &key
+ length
+ (null-terminated-p t))
+ (declare (type sb-sys:system-area-pointer sap))
+ (locally
+ (declare (optimize (speed 3) (safety 0)))
+ (let ((null-terminated-length
+ (when null-terminated-p
+ (loop
+ for offset of-type fixnum upfrom 0
+ until (zerop (system:sap-ref-8 sap offset))
+ finally (return offset)))))
+ (if length
+ (if (and null-terminated-length
+ (> (the fixnum length) (the fixnum null-terminated-length)))
+ (setq length null-terminated-length))
+ (setq length null-terminated-length)))
+ (let ((result (make-string length)))
+ (sb-kernel:copy-from-system-area sap 0
+ result (* sb-vm:vector-data-offset
+ sb-vm:word-bits)
+ (* length sb-vm:byte-bits))
+ result)))
projects / uffi.git / commitdiff