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
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 (in-package #:clsql-uffi)
22 (defun canonicalize-type-list (types auto-list)
23 "Ensure a field type list meets expectations"
24 (declare (optimize (speed 3) (safety 0)))
27 (length-types (length types))
28 (length-auto-list (length auto-list)))
29 ((= i length-auto-list)
31 (declare (fixnum length-types length-auto-list i))
32 (if (>= i length-types)
33 (push t new-types) ;; types is shorter than num-fields
37 (case (nth i auto-list)
45 (case (nth i auto-list)
51 (if (eq :int32 (nth i auto-list))
55 (if (eq :int64 (nth i auto-list))
64 (uffi:def-function "atoi"
65 ((str (* :unsigned-char)))
68 (uffi:def-function "atol"
69 ((str (* :unsigned-char)))
72 (uffi:def-function "atof"
73 ((str (* :unsigned-char)))
76 (uffi:def-function "atol64"
77 ((str (* :unsigned-char))
78 (high32 (* :unsigned-int)))
80 :returning :unsigned-int)
82 (uffi:def-constant +2^32+ 4294967296)
83 (uffi:def-constant +2^64+ 18446744073709551616)
84 (uffi:def-constant +2^32-1+ (1- +2^32+))
86 (defmacro make-64-bit-integer (high32 low32)
87 `(if (zerop (ldb (byte 1 31) ,high32))
88 (+ ,low32 (ash ,high32 32))
89 (- (+ ,low32 (ash ,high32 32)) +2^64+)))
91 ;; From high to low ints
92 (defmacro make-128-bit-integer (a b c d)
93 `(+ ,d (ash ,c 32) (ash ,b 64) (ash ,a 96)))
95 (defmacro split-64-bit-integer (int64)
96 `(values (ash ,int64 -32) (logand ,int64 +2^32-1+)))
98 (uffi:def-type char-ptr-def (* :unsigned-char))
100 (defun convert-raw-field (char-ptr types index &optional length)
101 (declare (optimize (speed 3) (safety 0) (space 0))
102 (type char-ptr-def char-ptr))
103 (let ((type (if (consp types)
107 ((uffi:null-pointer-p char-ptr)
116 (uffi:with-foreign-object (high32-ptr :unsigned-int)
117 (let ((low32 (atol64 char-ptr high32-ptr))
118 (high32 (uffi:deref-pointer high32-ptr :unsigned-int)))
121 (make-64-bit-integer high32 low32)))))
124 (uffi:convert-from-foreign-usb8 char-ptr length)
125 (error "Can't return blob since length is not specified.")))
127 ;; sb-unicode still broken with converting with length, assume
128 ;; that string is null terminated
130 (uffi:convert-from-foreign-string char-ptr :locale :none)
133 (uffi:convert-from-foreign-string char-ptr :locale :none
134 :null-terminated-p nil
136 (uffi:convert-from-foreign-string char-ptr :locale :none))))))))