X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=uffi%2Fclsql-uffi.lisp;h=c12f693368887598e3d41852d317cf446b81c288;hp=a74b75c5fb3ad9606721f679e6dbf9bc6e00bdb6;hb=d9f41af62750c622945bb17b622a39689ee5b840;hpb=50e0a512247d82a6657675a67f5d3caf019a25bb diff --git a/uffi/clsql-uffi.lisp b/uffi/clsql-uffi.lisp index a74b75c..c12f693 100644 --- 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 $ +;;;; $Id$ ;;;; ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg ;;;; @@ -16,46 +16,48 @@ ;;;; (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)) + (t + t)) + new-types)))) (uffi:def-function "atoi" ((str (* :unsigned-char))) @@ -72,45 +74,41 @@ (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 (* ,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+))) -(defconstant +ascii-N-value+ (char-code #\N)) -(defconstant +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) +(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) @@ -120,5 +118,9 @@ low32 (make-64-bit-integer high32 low32))))) (t - (uffi:convert-from-foreign-string char-ptr))))))) - + (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)))))))) +