;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
-;;;; Name: strings.cl
+;;;; Name: strings.lisp
;;;; Purpose: UFFI source to handle strings, cstring and foreigns
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: strings.lisp,v 1.7 2003/03/28 19:58:18 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
;;;; (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)
+(in-package #:uffi)
(defvar +null-cstring-pointer+
;; Either length or null-terminated-p must be non-nil
(defmacro convert-from-foreign-string (obj &key
length
+ (locale :default)
(null-terminated-p t))
#+allegro
`(if (zerop ,obj)
nil
- (values (excl:native-to-string
- ,obj
- ,@(if length (list :length length) (values))
- :truncate (not ,null-terminated-p))))
+ (if (eq ,locale :none)
+ (fast-native-to-string ,obj)
+ (excl:native-to-string
+ ,obj
+ ,@(when length (list :length length))
+ :truncate (not ,null-terminated-p))))
#+lispworks
`(if (fli:null-pointer-p ,obj)
nil
- (fli:convert-from-foreign-string
- ,obj
- ,@(if length (list :length length) (values))
- :null-terminated-p ,null-terminated-p
- :external-format '(:latin-1 :eol-style :lf)))
+ (if (eq ,locale :none)
+ (fast-native-to-string ,obj)
+ (fli:convert-from-foreign-string
+ ,obj
+ ,@(when length (list :length length))
+ :null-terminated-p ,null-terminated-p
+ :external-format '(:latin-1 :eol-style :lf))))
#+(or cmu scl)
`(if (null-pointer-p ,obj)
nil
)
-
(defmacro allocate-foreign-string (size &key (unsigned t))
#+(or cmu scl)
(let ((array-def (gensym)))
sb-vm:n-word-bits)
(* length sb-vm:n-byte-bits))
result)))
+
+
+(def-function "strlen"
+ ((str (* :unsigned-char)))
+ :returning :unsigned-int)
+
+(def-type char-ptr-def (* :unsigned-char))
+
+#+(or lispworks (and allegro (not ics)))
+(defun fast-native-to-string (s)
+ (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
+ (type char-ptr-def s))
+ (let* ((len (strlen s))
+ (str (make-string len)))
+ (declare (fixnum len)
+ (type (simple-array (signed-byte 8) (*)) str))
+ (dotimes (i len str)
+ (setf (aref str i) (uffi:deref-array s '(:array :char) i)))))
+
+#+(and allegro ics)
+(defun fast-native-to-string (s)
+ (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
+ (type char-ptr-def s))
+ (let* ((len (strlen s))
+ (str (make-string len)))
+ (declare (fixnum len))
+ (dotimes (i len str)
+ (setf (schar str i) (ensure-char-character
+ (uffi:deref-array s '(:array :char) i))))))
+
+#+ignore
+(defun fast-native-to-string (s)
+ (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0) (debug 0))
+ (type char-ptr-def s))
+ (let* ((len (strlen s))
+ (len4 (the fixnum (ash (the fixnum len) -2)))
+ (end4 (the fixnum (ash (the fixnum len4) 2)))
+ (remainder (the fixnum (- len end4)))
+ (str (make-string len))
+ (str4 str))
+ (declare (type fixnum len len4 end4 remainder)
+ (type (simple-array (signed-byte 32) (*)) str4)
+ (type (simple-array (signed-byte 8) (*)) str))
+ (dotimes (i len4)
+ (declare (fixnum i))
+ (setf (aref str4 i) (uffi:deref-array s '(:array :int) i)))
+ (dotimes (i remainder)
+ (declare (fixnum i))
+ (setf (aref str end4) (uffi:deref-array s '(:array :char) end4))
+ (incf end4))
+ str))