1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
5 ;;;; Name: clsql-uffi.cl
6 ;;;; Purpose: Common functions for interfaces using UFFI
7 ;;;; Programmers: Kevin M. Rosenberg
8 ;;;; Date Started: Mar 2002
10 ;;;; $Id: clsql-uffi.cl,v 1.1 2002/08/01 03:06:27 kevin Exp $
12 ;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
14 ;;;; CLSQL users are granted the rights to distribute and use this software
15 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
16 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
17 ;;;; *************************************************************************
19 (declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
20 (in-package :clsql-uffi)
23 (defun canonicalize-type-list (types auto-list)
24 "Ensure a field type list meets expectations"
25 (let ((length-types (length types))
27 (loop for i from 0 below (length auto-list)
29 (if (>= i length-types)
30 (push t new-types) ;; types is shorted than num-fields
34 (case (nth i auto-list)
42 (case (nth i auto-list)
48 (if (eq :int32 (nth i auto-list))
52 (if (eq :int64 (nth i auto-list))
58 (nreverse new-types)))
60 (uffi:def-function "atoi"
61 ((str (* :unsigned-char)))
64 (uffi:def-function "atol"
65 ((str (* :unsigned-char)))
68 (uffi:def-function "atof"
69 ((str (* :unsigned-char)))
72 (uffi:def-function "atol64"
73 ((str (* :unsigned-char))
75 :returning :unsigned-int)
77 (uffi:def-constant +2^32+ 4294967296)
78 (uffi:def-constant +2^32-1+ (1- +2^32+))
80 (defmacro make-64-bit-integer (high32 low32)
81 `(+ ,low32 (* ,high32 +2^32+)))
83 (defmacro split-64-bit-integer (int64)
84 `(values (ash ,int64 -32) (logand ,int64 +2^32-1+)))
86 (defun convert-raw-field (char-ptr types index)
87 (let ((type (if (listp types)
96 (uffi:with-foreign-object (high32-ptr :int)
97 (let ((low32 (atol64 char-ptr high32-ptr))
98 (high32 (uffi:deref-pointer high32-ptr :int)))
101 (make-64-bit-integer high32 low32)))))
103 (uffi:convert-from-foreign-string char-ptr)))))