X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fstrings.lisp;h=684b0351ca108948b00ea5426a4f16407dc1a30b;hb=045b87e7fdcf1c5562fe170d96622e0a09759f64;hp=dc42fa3f58fa26a462a2f6c0afba2fcc11ca73da;hpb=52aa6156ffd6ff12b904f04d25ab3d4ee4126015;p=uffi.git diff --git a/src/strings.lisp b/src/strings.lisp index dc42fa3..684b035 100644 --- a/src/strings.lisp +++ b/src/strings.lisp @@ -157,10 +157,11 @@ that LW/CMU automatically converts strings from c-calls." nil (if (eq ,locale :none) (fast-native-to-string ,obj ,length) - (excl:native-to-string - ,obj - ,@(when length (list :length length)) - :truncate (not ,null-terminated-p)))) + (values + (excl:native-to-string + ,obj + ,@(when length (list :length length)) + :truncate (not ,null-terminated-p))))) #+lispworks `(if (fli:null-pointer-p ,obj) nil @@ -188,7 +189,10 @@ that LW/CMU automatically converts strings from c-calls." #+mcl `(if (ccl:%null-ptr-p ,obj) nil - (ccl:%get-cstring ,obj 0 ,@(if length (list length) nil))) + #+(and mcl (not openmcl)) (ccl:%get-cstring ,obj 0 ,@(if length (list length) nil)) + #+openmcl ,@(if length + `((ccl:%str-from-ptr ,obj ,length)) + `((ccl:%get-cstring ,obj)))) ) @@ -295,28 +299,49 @@ that LW/CMU automatically converts strings from c-calls." (setf (char result i) (code-char (system:sap-ref-8 sap i)))) result))) -#+sbcl +#+(and sbcl (not sb-unicode)) (defun sbcl-naturalize-cstring (sap &key length (null-terminated-p t)) - (declare (type sb-sys:system-area-pointer sap)) + (declare (type sb-sys:system-area-pointer sap) + (type (or null fixnum) length)) (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 (sb-sys: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:n-word-bits) - (* length sb-vm:n-byte-bits)) - result))) + (declare (optimize (speed 3) (safety 0))) + (let ((null-terminated-length + (when null-terminated-p + (loop + for offset of-type fixnum upfrom 0 + until (zerop (sb-sys: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))) + (funcall *system-copy-fn* sap 0 result +system-copy-offset+ + (* length +system-copy-multiplier+)) + result))) + +#+(and sbcl sb-unicode) +(defun sbcl-naturalize-cstring (sap &key length (null-terminated-p t)) + (declare (type sb-sys:system-area-pointer sap) + (type (or null fixnum) length)) + (locally + (declare (optimize (speed 3) (safety 0))) + (cond + (null-terminated-p + (let ((casted (sb-alien:cast (sb-alien:sap-alien sap (* char)) + #+sb-unicode sb-alien:utf8-string + #-sb-unicode sb-alien:c-string))) + (if length + (copy-seq (subseq casted 0 length)) + (copy-seq casted)))) + (t + (let ((result (make-string length))) + ;; this will not work in sb-unicode + (funcall *system-copy-fn* sap 0 result +system-copy-offset+ + (* length +system-copy-multiplier+)) + result))))) + (eval-when (:compile-toplevel :load-toplevel :execute) (def-function "strlen" @@ -344,4 +369,4 @@ that LW/CMU automatically converts strings from c-calls." (let* ((len (or len (strlen s))) (str (make-string len))) (dotimes (i len str) - (setf (schar str i) (code-char (uffi:deref-array s '(:array :byte) i)))))) + (setf (schar str i) (code-char (uffi:deref-array s '(:array :unsigned-byte) i))))))