r5022: Auto commit for Debian build

[clsql.git] / uffi / clsql-uffi.lisp

diff --git a/uffi/clsql-uffi.lisp b/uffi/clsql-uffi.lisp
index a74b75c5fb3ad9606721f679e6dbf9bc6e00bdb6..3f24fb800f696da3c03aeb7aa9ea5129e18419da 100644 (file)
--- a/uffi/clsql-uffi.lisp
+++ b/uffi/clsql-uffi.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmers:   Kevin M. Rosenberg
 ;;;; Date Started:  Mar 2002
 ;;;;
-;;;; $Id: clsql-uffi.lisp,v 1.4 2003/03/29 22:31:43 kevin Exp $
+;;;; $Id: clsql-uffi.lisp,v 1.26 2003/05/22 15:47:02 kevin Exp $
 ;;;;
 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -83,8 +83,8 @@
 (defmacro split-64-bit-integer (int64)
   `(values (ash ,int64 -32) (logand ,int64 +2^32-1+)))
 
-(defconstant +ascii-N-value+ (char-code #\N))
-(defconstant +ascii-U-value+ (char-code #\U))
+(defvar +ascii-N-value+ (char-code #\N))
+(defvar +ascii-U-value+ (char-code #\U))
 
 (uffi:def-type char-ptr-def (* :unsigned-char))
 
@@ -120,5 +120,49 @@
                  low32
                  (make-64-bit-integer high32 low32)))))
         (t
-         (uffi:convert-from-foreign-string char-ptr)))))))
+         #+allegro (native-to-string char-ptr) ;; optimized
+         #-allegro (uffi:convert-from-foreign-string char-ptr)))))))
   
+
+(uffi:def-function "strlen"
+    ((str (* :unsigned-char)))
+  :returning :unsigned-int)
+
+#+(and allegro ics)
+(defun 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)
+            (simple-string str))
+    (do ((i 0))
+       ((= i len))
+      (declare (fixnum i))
+      (setf (schar str i)
+       (code-char (uffi:deref-array s '(:array :unsigned-char) i)))
+      (incf i))
+    str))
+
+#+(and allegro (not ics))
+(defun native-to-string (s)
+  (declare (optimize (speed 3) (space 0) (safety 0) (compilation-speed 0))
+          (type char-ptr-def s))
+  (let* ((len (strlen s))
+        (len4 (floor len 4))
+        (str (make-string len)))
+    (declare (fixnum len)
+            (type (simple-array (signed-byte 32) (*)) str))
+    (do ((i 0))
+       ((= i len4))
+      (declare (fixnum i))
+      (setf (aref (the (simple-array (signed-byte 32) (*)) str) i)
+       (uffi:deref-array s '(:array :int) i))
+       (incf i))
+    (do ((i (* 4 len4)))
+       ((= i len))
+      (declare (fixnum i))
+      (setf (aref (the (simple-array (signed-byte 8) (*)) str) i)
+       (uffi:deref-array s '(:array :unsigned-char) i))
+      (incf i))
+    str))