;;;; 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
;;;;
(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)))
+ (declare (optimize (speed 3) (safety 0) (space 0))
+ (type char-ptr-def char-ptr))
(let ((type (if (listp 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