X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fstrings.cl;h=0f0c54cfef695065f72a45ee6ffca455a34f8eda;hb=d088e362ddd9bdd99c2d1815ab87c5328cdc92a3;hp=0e1e20de513da50e414010a83c03e8768f46dad6;hpb=bd00c8ed506689d49306569634294446e0a017e5;p=uffi.git diff --git a/src/strings.cl b/src/strings.cl index 0e1e20d..0f0c54c 100644 --- a/src/strings.cl +++ b/src/strings.cl @@ -9,7 +9,7 @@ ;;;; ;;;; Copyright (c) 2002 Kevin M. Rosenberg ;;;; -;;;; $Id: strings.cl,v 1.3 2002/03/10 05:09:00 kevin Exp $ +;;;; $Id: strings.cl,v 1.4 2002/03/10 11:13:07 kevin Exp $ ;;;; ;;;; This file is part of the UFFI. ;;;; @@ -31,7 +31,12 @@ (in-package :uffi) -(defmacro convert-from-c-string (obj) +(def-constant +null-cstring-pointer+ + #+cmu nil + #+allegro 0 + #+lispworks (fli:make-pointer :address 0 :type :char)) + +(defmacro convert-from-cstring (obj) "Converts a string from a c-call. Same as convert-from-foreign-string, except that CMU automatically converts strings from c-calls." #+cmu obj @@ -49,10 +54,10 @@ that CMU automatically converts strings from c-calls." (values (excl:native-to-string ,stored))))) ) -(defmacro convert-to-c-string (obj) +(defmacro convert-to-cstring (obj) #+lispworks `(if (null ,obj) - +null-c-string-pointer+ + +null-cstring-pointer+ (fli:make-pointer :address (fli:pointer-address (fli:convert-to-foreign-string ,obj)) :type :char)) @@ -64,7 +69,7 @@ that CMU automatically converts strings from c-calls." (declare (ignore obj)) ) -(defmacro free-c-string (obj) +(defmacro free-cstring (obj) #+lispworks `(unless (fli:null-pointer-p ,obj) (fli:free-foreign-object ,obj)) @@ -95,7 +100,7 @@ that CMU automatically converts strings from c-calls." :null-terminated-p ,null-terminated-p :external-format '(:latin-1 :eol-style :lf))) #+cmu - `(cmucl-naturalize-c-string (alien:alien-sap ,obj) + `(cmucl-naturalize-cstring (alien:alien-sap ,obj) :length ,length :null-terminated-p ,null-terminated-p) ) @@ -103,7 +108,7 @@ that CMU automatically converts strings from c-calls." (defmacro convert-to-foreign-string (obj) #+lispworks `(if (null ,obj) - +null-c-string-pointer+ + +null-cstring-pointer+ (fli:make-pointer :address (fli:pointer-address (fli:convert-to-foreign-string ,obj)) :type :char)) @@ -148,7 +153,7 @@ that CMU automatically converts strings from c-calls." `(ff:allocate-fobject :char :c ,size) ) -(defmacro with-c-string ((foreign-string lisp-string) &body body) +(defmacro with-cstring ((foreign-string lisp-string) &body body) #+cmu `(let ((,foreign-string ,lisp-string)) ,@body) #+allegro @@ -158,7 +163,7 @@ that CMU automatically converts strings from c-calls." ,@body))) #+lispworks (let ((result (gensym))) - `(let* ((,foreign-string (convert-to-c-string ,lisp-string)) + `(let* ((,foreign-string (convert-to-cstring ,lisp-string)) (,result ,@body)) (fli:free-foreign-object ,foreign-string) ,result)) @@ -166,7 +171,7 @@ that CMU automatically converts strings from c-calls." ;; Modified from CMUCL's source to handle non-null terminated strings #+cmu -(defun cmucl-naturalize-c-string (sap &key +(defun cmucl-naturalize-cstring (sap &key length (null-terminated-p t)) (declare (type system:system-area-pointer sap))