;;;; Programmers: Kevin M. Rosenberg
;;;; Date Started: Mar 2002
;;;;
-;;;; $Id: clsql-uffi.lisp,v 1.30 2003/06/08 12:48:55 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
;;;;
(defun canonicalize-type-list (types auto-list)
"Ensure a field type list meets expectations"
- (declaim (optimize (speed 3) (safety 0)))
+ (declare (optimize (speed 3) (safety 0)))
(do ((i 0 (1+ i))
(new-types '())
(length-types (length types))
(length-auto-list (length auto-list)))
((= i length-auto-list)
(nreverse new-types))
- (declaim (fixnum length-types length-auto-list i))
+ (declare (fixnum length-types length-auto-list i))
(if (>= i length-types)
- (push t new-types) ;; types is shorted than num-fields
+ (push t new-types) ;; types is shorter than num-fields
(push
(case (nth i types)
(:int
(:int64
(if (eq :int64 (nth i auto-list))
:int64
- t))
+ t))
+ (:blob
+ :blob)
(t
t))
new-types))))
(uffi:def-function "atol64"
((str (* :unsigned-char))
(high32 (* :int)))
+ :module "clsql-uffi"
:returning :unsigned-int)
(uffi:def-constant +2^32+ 4294967296)
+(uffi:def-constant +2^64+ 18446744073709551616)
(uffi:def-constant +2^32-1+ (1- +2^32+))
(defmacro make-64-bit-integer (high32 low32)
- `(+ ,low32 (ash ,high32 32)))
+ `(if (zerop (ldb (byte 1 31) ,high32))
+ (+ ,low32 (ash ,high32 32))
+ (- (+ ,low32 (ash ,high32 32)) +2^64+)))
+
+;; From high to low ints
+(defmacro make-128-bit-integer (a b c d)
+ `(+ ,d (ash ,c 32) (ash ,b 64) (ash ,a 96)))
(defmacro split-64-bit-integer (int64)
`(values (ash ,int64 -32) (logand ,int64 +2^32-1+)))
(uffi:def-type char-ptr-def (* :unsigned-char))
-(defun char-ptr-points-to-null (char-ptr)
- "Returns T if foreign character pointer refers to 'NULL' string. Only called for numeric entries"
- ;; Uses short cut and returns T if first character is #\N. It should
- ;; never be non-numeric
- (declare (type char-ptr-def char-ptr))
- (char-equal #\N (uffi:ensure-char-character
- (uffi:deref-pointer char-ptr :char))))
-
-(defun convert-raw-field (char-ptr types index)
- (declare (optimize (speed 3) (safety 0) (space 0)))
- (let ((type (if (listp types)
+(defun convert-raw-field (char-ptr types index &optional length)
+ (declare (optimize (speed 3) (safety 0) (space 0))
+ (type char-ptr-def char-ptr))
+ (let ((type (if (consp types)
(nth index types)
types)))
(cond
- ((and (or (eq type :double) (eq type :int32) (eq type :int)
- (eq type :int64))
- (char-ptr-points-to-null char-ptr))
+ ((uffi:null-pointer-p char-ptr)
nil)
(t
(case type
(:double
(atof char-ptr))
- ((or :int32 :int)
+ ((:int32 :int)
(atoi char-ptr))
(:int64
(uffi:with-foreign-object (high32-ptr :int)
(high32 (uffi:deref-pointer high32-ptr :int)))
(if (zerop high32)
low32
- (make-64-bit-integer high32 low32)))))
+ (make-64-bit-integer high32 low32)))))
+ (:blob
+ (if length
+ (uffi:convert-from-foreign-usb8 char-ptr length)
+ (error "Can't return blob since length is not specified.")))
(t
- (uffi:convert-from-foreign-string char-ptr :locale :none)))))))
-
+ (if length
+ (uffi:convert-from-foreign-string char-ptr :locale :none
+ :null-terminated-p nil
+ :length length)
+ (uffi:convert-from-foreign-string char-ptr :locale :none))))))))
+