X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;ds=sidebyside;f=uffi%2Fclsql-uffi.lisp;h=c12f693368887598e3d41852d317cf446b81c288;hb=d9f41af62750c622945bb17b622a39689ee5b840;hp=4093cfcb642285d0ff543fbb3cea400f6d23d854;hpb=29115f2f9895321be5b73d5bd2105ac99257edd5;p=clsql.git diff --git a/uffi/clsql-uffi.lisp b/uffi/clsql-uffi.lisp index 4093cfc..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 1.31 2003/06/15 13:50:24 kevin Exp $ +;;;; $Id$ ;;;; ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg ;;;; @@ -21,16 +21,16 @@ (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 @@ -74,43 +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 (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)) - (or (uffi:null-pointer-p 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) @@ -120,5 +118,9 @@ low32 (make-64-bit-integer high32 low32))))) (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)))))))) +