;;;;
;;;; $Id$
;;;;
-;;;; 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.
+;;;; This file, part of UFFI, is Copyright (c) 2002-2005 by Kevin M. Rosenberg
;;;; *************************************************************************
(in-package #:uffi)
-(defvar +null-cstring-pointer+
+(def-pointer-var +null-cstring-pointer+
#+(or cmu sbcl scl) nil
#+allegro 0
#+lispworks (fli:make-pointer :address 0 :type '(:unsigned :char))
- #+mcl (ccl:%null-ptr)
+ #+(or openmcl digitool) (ccl:%null-ptr)
)
(defmacro convert-from-cstring (obj)
"Converts a string from a c-call. Same as convert-from-foreign-string, except
that LW/CMU automatically converts strings from c-calls."
#+(or cmu sbcl lispworks scl) obj
- #+allegro
+ #+allegro
(let ((stored (gensym)))
`(let ((,stored ,obj))
(if (zerop ,stored)
nil
(values (excl:native-to-string ,stored)))))
- #+mcl
+ #+(or openmcl digitool)
(let ((stored (gensym)))
`(let ((,stored ,obj))
(if (ccl:%null-ptr-p ,stored)
(if (null ,stored)
0
(values (excl:string-to-native ,stored)))))
- #+mcl
+ #+(or openmcl digitool)
(let ((stored (gensym)))
`(let ((,stored ,obj))
(if (null ,stored)
`(let ((,stored ,obj))
(unless (zerop ,stored)
(ff:free-fobject ,stored))))
- #+mcl
+ #+(or openmcl digitool)
(let ((stored (gensym)))
`(let ((,stored ,obj))
(unless (ccl:%null-ptr-p ,stored)
(defmacro with-cstring ((cstring lisp-string) &body body)
#+(or cmu sbcl scl lispworks)
- `(let ((,cstring ,lisp-string)) ,@body)
+ `(let ((,cstring ,lisp-string)) ,@body)
#+allegro
(let ((acl-native (gensym))
(stored-lisp-string (gensym)))
(excl:with-native-string (,acl-native ,stored-lisp-string)
(let ((,cstring (if ,stored-lisp-string ,acl-native 0)))
,@body))))
- #+mcl
+ #+(or openmcl digitool)
(let ((stored-lisp-string (gensym)))
`(let ((,stored-lisp-string ,lisp-string))
(if (stringp ,stored-lisp-string)
#+lispworks
(let ((stored (gensym)))
`(let ((,stored ,obj))
- `(if (null ,stored)
- +null-cstring-pointer+
- (fli:convert-to-foreign-string
- ,stored
- :external-format '(:latin-1 :eol-style :lf)))))
+ (if (null ,stored)
+ +null-cstring-pointer+
+ (fli:convert-to-foreign-string
+ ,stored
+ :external-format '(:latin-1 :eol-style :lf)))))
#+allegro
(let ((stored (gensym)))
`(let ((,stored ,obj))
(i (gensym)))
`(let ((,stored-obj ,obj))
(etypecase ,stored-obj
- (null
+ (null
(alien:sap-alien (system:int-sap 0) (* (alien:unsigned 8))))
(string
(let* ((,size (length ,stored-obj))
(i (gensym)))
`(let ((,stored-obj ,obj))
(etypecase ,stored-obj
- (null
+ (null
(sb-alien:sap-alien (sb-sys:int-sap 0) (* (sb-alien:unsigned 8))))
(string
(let* ((,size (length ,stored-obj))
(char-code (char ,stored-obj ,i))))
(setf (sb-alien:deref ,storage ,size) 0))
,storage)))))
- #+mcl
+ #+(or openmcl digitool)
(let ((stored-obj (gensym)))
`(let ((,stored-obj ,obj))
(if (null ,stored-obj)
(fast-native-to-string ,stored-obj ,length)
(values
(excl:native-to-string
- ,stored-obj
+ ,stored-obj
,@(when length (list :length length))
:truncate (not ,null-terminated-p)))))))
#+lispworks
nil
(if (eq ,locale :none)
(fast-native-to-string ,stored-obj ,length)
- (fli:convert-from-foreign-string
+ (fli:convert-from-foreign-string
,stored-obj
,@(when length (list :length length))
:null-terminated-p ,null-terminated-p
(sbcl-naturalize-cstring (sb-alien:alien-sap ,stored-obj)
:length ,length
:null-terminated-p ,null-terminated-p))))
- #+mcl
+ #+(or openmcl digitool)
(declare (ignore null-terminated-p))
- #+mcl
+ #+(or openmcl digitool)
(let ((stored-obj (gensym)))
`(let ((,stored-obj ,obj))
(if (ccl:%null-ptr-p ,stored-obj)
nil
- #+(and mcl (not openmcl)) (ccl:%get-cstring
+ #+digitool (ccl:%get-cstring
,stored-obj 0
,@(if length (list length) nil))
#+openmcl ,@(if length
#+ignore
(let ((array-def (gensym)))
`(let ((,array-def (list 'alien:array 'c-call:char ,size)))
- (eval `(alien:cast (alien:make-alien ,,array-def)
- ,(if ,unsigned
+ (eval `(alien:cast (alien:make-alien ,,array-def)
+ ,(if ,unsigned
'(* (alien:unsigned 8))
'(* (alien:signed 8)))))))
#+(or cmu scl)
- `(alien:make-alien ,(if unsigned
+ `(alien:make-alien ,(if unsigned
'(alien:unsigned 8)
'(alien:signed 8))
,size)
#+sbcl
- `(sb-alien:make-alien ,(if unsigned
+ `(sb-alien:make-alien ,(if unsigned
'(sb-alien:unsigned 8)
'(sb-alien:signed 8))
,size)
#+lispworks
- `(fli:allocate-foreign-object :type
- ,(if unsigned
- ''(:unsigned :char)
+ `(fli:allocate-foreign-object :type
+ ,(if unsigned
+ ''(:unsigned :char)
:char)
:nelems ,size)
#+allegro
(declare (ignore unsigned))
#+allegro
`(ff:allocate-fobject :char :c ,size)
- #+mcl
+ #+(or openmcl digitool)
(declare (ignore unsigned))
- #+mcl
+ #+(or openmcl digitool)
`(new-ptr ,size)
)
(free-foreign-object ,foreign-string)
,result)))
+(defmacro with-foreign-strings (bindings &body body)
+ `(with-foreign-string ,(car bindings)
+ ,@(if (cdr bindings)
+ `((with-foreign-strings ,(cdr bindings) ,@body))
+ body)))
;; Modified from CMUCL's source to handle non-null terminated strings
#+cmu
(def-type char-ptr-def (* :unsigned-char))
-#+(or lispworks (and allegro (not ics)))
+#+(or (and allegro (not ics)) (and lispworks (not lispworks5)))
(defun fast-native-to-string (s len)
(declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
(type char-ptr-def s))
(let* ((len (or len (strlen s)))
(str (make-string len)))
(declare (fixnum len)
- (type (simple-array (signed-byte 8) (*)) str))
+ (type (simple-array #+lispworks base-char
+ #-lispworks (signed-byte 8) (*)) str))
(dotimes (i len str)
- (setf (aref str i)
+ (setf (aref str i)
(uffi:deref-array s '(:array :char) i)))))
-#+(and allegro ics)
+#+(or (and allegro ics) lispworks5)
(defun fast-native-to-string (s len)
(declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
(type char-ptr-def s))
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