;;;; Programmers: Kevin M. Rosenberg
;;;; Date Started: Mar 2002
;;;;
-;;;; $Id: clsql-uffi.lisp,v 1.12 2003/05/16 08:44:50 kevin Exp $
+;;;; $Id$
;;;;
;;;; This file, part of CLSQL, 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 :clsql-uffi)
+(in-package #:clsql-uffi)
(defun canonicalize-type-list (types auto-list)
"Ensure a field type list meets expectations"
- (let ((length-types (length types))
- (new-types '()))
- (loop for i from 0 below (length auto-list)
- do
- (if (>= i length-types)
- (push t new-types) ;; types is shorted than num-fields
- (push
- (case (nth i types)
- (:int
- (case (nth i auto-list)
- (:int32
- :int32)
- (:int64
- :int64)
- (t
- t)))
- (:double
- (case (nth i auto-list)
- (:double
- :double)
- (t
- t)))
- (:int32
- (if (eq :int32 (nth i auto-list))
- :int32
- t))
- (:int64
- (if (eq :int64 (nth i auto-list))
- :int64
- t))
- (t
- t))
- new-types)))
- (nreverse new-types)))
+ (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))
+ (declare (fixnum length-types length-auto-list i))
+ (if (>= i length-types)
+ (push t new-types) ;; types is shorter than num-fields
+ (push
+ (case (nth i types)
+ (:int
+ (case (nth i auto-list)
+ (:int32
+ :int32)
+ (:int64
+ :int64)
+ (t
+ t)))
+ (:double
+ (case (nth i auto-list)
+ (:double
+ :double)
+ (t
+ t)))
+ (:int32
+ (if (eq :int32 (nth i auto-list))
+ :int32
+ t))
+ (:int64
+ (if (eq :int64 (nth i auto-list))
+ :int64
+ t))
+ (:blob
+ :blob)
+ (:uint
+ :uint)
+ (t
+ t))
+ new-types))))
(uffi:def-function "atoi"
((str (* :unsigned-char)))
:returning :int)
+(uffi:def-function ("strtoul" c-strtoul)
+ ((str (* :unsigned-char))
+ (endptr (* :unsigned-char))
+ (radix :int))
+ :returning :unsigned-long)
+
(uffi:def-function "atol"
((str (* :unsigned-char)))
:returning :long)
(uffi:def-function "atol64"
((str (* :unsigned-char))
- (high32 (* :int)))
+ (high32 (* :unsigned-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 (* ,high32 +2^32+)))
+ `(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+)))
-(defvar +ascii-N-value+ (char-code #\N))
-(defvar +ascii-U-value+ (char-code #\U))
-
(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))
- (let ((char (uffi:ensure-char-character
- (uffi:deref-pointer char-ptr :char))))
- (eql char #\N)))
-
-(defun convert-raw-field (char-ptr types index)
- (let ((type (if (listp types)
- (nth index types)
- types)))
+(defun strtoul (char-ptr)
+ (declare (optimize (speed 3) (safety 0) (space 0))
+ (type char-ptr-def char-ptr))
+ (c-strtoul char-ptr uffi:+null-cstring-pointer+ 10))
+
+(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)
- (atoi char-ptr))
- (:int64
- (uffi:with-foreign-object (high32-ptr :int)
- (let ((low32 (atol64 char-ptr high32-ptr))
- (high32 (uffi:deref-pointer high32-ptr :int)))
- (if (zerop high32)
- low32
- (make-64-bit-integer high32 low32)))))
- (t
- ;; Choose optimized routine
- #-(or cmu sbcl)
- (native-to-string char-ptr)
- #+(or cmu sbcl)
- (uffi:convert-from-foreign-string char-ptr)))))))
-
-
-(uffi:def-function "strlen"
- ((str (* :unsigned-char)))
- :returning :unsigned-int)
+ (:double
+ (atof char-ptr))
+ (:int
+ (atol char-ptr))
+ (:int32
+ (atoi char-ptr))
+ (:uint32
+ (strtoul char-ptr))
+ (:uint
+ (strtoul char-ptr))
+ ((:int64 :uint64)
+ (uffi:with-foreign-object (high32-ptr :unsigned-int)
+ (let ((low32 (atol64 char-ptr high32-ptr))
+ (high32 (uffi:deref-pointer high32-ptr :unsigned-int)))
+ (if (zerop 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
+ ;; sb-unicode still broken with converting with length, assume
+ ;; that string is null terminated
+ #+sb-unicode
+ (uffi:convert-from-foreign-string char-ptr :locale :none)
+ #-sb-unicode
+ (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))))))))
-(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))
-
-#-allegro
-(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))
-
-#+allegro
-(excl:ics-target-case
- (:+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)))
- (:-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 (unsigned-byte 32) (*)) str))
- (do ((i 0))
- ((= i len4))
- (declare (fixnum i))
- (setf (aref str i) (uffi:deref-array s '(:array :unsigned-int) i))
- (incf i))
- #+ignore
- (do ((i (* 4 len4))
- (str1 str))
- ((= i len))
- (declare (fixnum i) (type (simple-array (unsigned-byte 8) (*)) str1))
- (setf (aref str1 i) (uffi:deref-array s '(:array :unsigned-char) i))
- (incf i))
- str))))
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