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 ;;;; This file, part of CLSQL, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
12 ;;;; CLSQL users are granted the rights to distribute and use this software
13 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
14 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
15 ;;;; *************************************************************************
17 (in-package #:clsql-uffi)
20 (defun canonicalize-type-list (types auto-list)
21 "Ensure a field type list meets expectations"
22 (declare (optimize (speed 3) (safety 0)))
25 (length-types (length types))
26 (length-auto-list (length auto-list)))
27 ((= i length-auto-list)
29 (declare (fixnum length-types length-auto-list i))
30 (if (>= i length-types)
31 (push t new-types) ;; types is shorter than num-fields
35 (case (nth i auto-list)
43 (case (nth i auto-list)
49 (if (eq :int32 (nth i auto-list))
53 (if (eq :int64 (nth i auto-list))
64 (uffi:def-function "atoi"
65 ((str (* :unsigned-char)))
68 (uffi:def-function ("strtoul" c-strtoul)
69 ((str (* :unsigned-char))
70 (endptr (* :unsigned-char))
72 :returning :unsigned-long)
75 (uffi:def-function ("strtoull" c-strtoull)
76 ((str (* :unsigned-char))
77 (endptr (* :unsigned-char))
79 :returning :unsigned-long-long)
82 (uffi:def-function ("_strtoui64" c-strtoull)
83 ((str (* :unsigned-char))
84 (endptr (* :unsigned-char))
86 :returning :unsigned-long-long)
88 (uffi:def-function "atol"
89 ((str (* :unsigned-char)))
92 (uffi:def-function "atof"
93 ((str (* :unsigned-char)))
96 (uffi:def-function "atol64"
97 ((str (* :unsigned-char))
98 (high32 (* :unsigned-int)))
100 :returning :unsigned-int)
102 (uffi:def-constant +2^32+ 4294967296)
103 (uffi:def-constant +2^64+ 18446744073709551616)
104 (uffi:def-constant +2^32-1+ (1- +2^32+))
106 (defmacro make-64-bit-integer (high32 low32)
107 `(if (zerop (ldb (byte 1 31) ,high32))
108 (+ ,low32 (ash ,high32 32))
109 (- (+ ,low32 (ash ,high32 32)) +2^64+)))
111 ;; From high to low ints
112 (defmacro make-128-bit-integer (a b c d)
113 `(+ ,d (ash ,c 32) (ash ,b 64) (ash ,a 96)))
115 (defmacro split-64-bit-integer (int64)
116 `(values (ash ,int64 -32) (logand ,int64 +2^32-1+)))
118 (uffi:def-type char-ptr-def (* :unsigned-char))
120 (defun strtoul (char-ptr)
121 (declare (optimize (speed 3) (safety 0) (space 0))
122 (type char-ptr-def char-ptr))
123 (c-strtoul char-ptr uffi:+null-cstring-pointer+ 10))
125 (defun strtoull (char-ptr)
126 (declare (optimize (speed 3) (safety 0) (space 0))
127 (type char-ptr-def char-ptr))
128 (c-strtoull char-ptr uffi:+null-cstring-pointer+ 10))
130 (defun convert-raw-field (char-ptr type &key length encoding)
131 (declare (optimize (speed 3) (safety 0) (space 0))
132 (type char-ptr-def char-ptr))
134 ((uffi:null-pointer-p char-ptr)
150 #|(uffi:with-foreign-object (high32-ptr :unsigned-int)
151 (let ((low32 (atol64 char-ptr high32-ptr))
152 (high32 (uffi:deref-pointer high32-ptr :unsigned-int)))
155 (make-64-bit-integer high32 low32))))|#
159 (uffi:convert-from-foreign-usb8 char-ptr length)
160 (error "Can't return blob since length is not specified.")))
164 (uffi:convert-from-foreign-string char-ptr
165 :null-terminated-p nil
168 (uffi:convert-from-foreign-string char-ptr
172 (uffi:convert-from-foreign-string char-ptr
173 :null-terminated-p nil
175 (uffi:convert-from-foreign-string char-ptr
176 :null-terminated-p t))))))))