-;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; *************************************************************************
-;;;; FILE IDENTIFICATION
-;;;;
-;;;; Name: clsql-uffi.cl
-;;;; Purpose: Common functions for interfaces using UFFI
-;;;; Programmers: Kevin M. Rosenberg
-;;;; Date Started: Mar 2002
-;;;;
-;;;; $Id: clsql-uffi.cl,v 1.1 2002/08/01 03:06:27 kevin Exp $
-;;;;
-;;;; This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
-;;;;
-;;;; CLSQL users are granted the rights to distribute and use this software
-;;;; as governed by the terms of the Lisp Lesser GNU Public License
-;;;; (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)
-
-
-(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)))
-
-(uffi:def-function "atoi"
- ((str (* :unsigned-char)))
- :returning :int)
-
-(uffi:def-function "atol"
- ((str (* :unsigned-char)))
- :returning :long)
-
-(uffi:def-function "atof"
- ((str (* :unsigned-char)))
- :returning :double)
-
-(uffi:def-function "atol64"
- ((str (* :unsigned-char))
- (high32 (* :int)))
- :returning :unsigned-int)
-
-(uffi:def-constant +2^32+ 4294967296)
-(uffi:def-constant +2^32-1+ (1- +2^32+))
-
-(defmacro make-64-bit-integer (high32 low32)
- `(+ ,low32 (* ,high32 +2^32+)))
-
-(defmacro split-64-bit-integer (int64)
- `(values (ash ,int64 -32) (logand ,int64 +2^32-1+)))
-
-(defun convert-raw-field (char-ptr types index)
- (let ((type (if (listp types)
- (nth index types)
- types)))
- (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
- (uffi:convert-from-foreign-string char-ptr)))))
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