source: trunk/j/src/org/armedbear/lisp/make-hash-table.lisp @ 7738

Last change on this file since 7738 was 7738, checked in by piso, 17 years ago

Make sure size > 0.

File size: 1.3 KB
Line 
1;;; make-hash-table.lisp
2;;;
3;;; Copyright (C) 2003-2004 Peter Graves
4;;; $Id: make-hash-table.lisp,v 1.5 2004-09-19 13:35:21 piso Exp $
5;;;
6;;; This program is free software; you can redistribute it and/or
7;;; modify it under the terms of the GNU General Public License
8;;; as published by the Free Software Foundation; either version 2
9;;; of the License, or (at your option) any later version.
10;;;
11;;; This program is distributed in the hope that it will be useful,
12;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14;;; GNU General Public License for more details.
15;;;
16;;; You should have received a copy of the GNU General Public License
17;;; along with this program; if not, write to the Free Software
18;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19
20(in-package #:system)
21
22(defun make-hash-table (&key (test 'eql) (size 11) (rehash-size 1.5)
23           (rehash-threshold 0.75))
24  (setq test (coerce-to-function test))
25  (unless (and (integerp size) (>= size 0))
26    (error 'type-error "MAKE-HASH-TABLE: ~S is not a non-negative integer." size))
27  (let ((size (max 11 (min size array-dimension-limit))))
28    (%make-hash-table test size rehash-size rehash-threshold)))
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