zalloc.c revision 1.6.14.1 1 1.6.14.1 jym /* $NetBSD: zalloc.c,v 1.6.14.1 2009/05/13 17:22:16 jym Exp $ */
2 1.1 simonb
3 1.1 simonb /*-
4 1.1 simonb * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 1.1 simonb * All rights reserved.
6 1.1 simonb *
7 1.1 simonb * This code is derived from software contributed to The NetBSD Foundation
8 1.1 simonb * by Simon Burge.
9 1.1 simonb *
10 1.1 simonb * Redistribution and use in source and binary forms, with or without
11 1.1 simonb * modification, are permitted provided that the following conditions
12 1.1 simonb * are met:
13 1.1 simonb * 1. Redistributions of source code must retain the above copyright
14 1.1 simonb * notice, this list of conditions and the following disclaimer.
15 1.1 simonb * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 simonb * notice, this list of conditions and the following disclaimer in the
17 1.1 simonb * documentation and/or other materials provided with the distribution.
18 1.1 simonb *
19 1.1 simonb * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 simonb * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 simonb * POSSIBILITY OF SUCH DAMAGE.
30 1.1 simonb */
31 1.1 simonb
32 1.1 simonb
33 1.1 simonb #include "zutil.h"
34 1.3 thorpej #include <lib/libsa/stand.h>
35 1.1 simonb
36 1.1 simonb /*
37 1.1 simonb * A simple implementation of zcalloc and zcfree in terms of the libsa
38 1.1 simonb * alloc and free.
39 1.1 simonb */
40 1.1 simonb
41 1.1 simonb voidpf
42 1.5 tsutsui zcalloc(voidpf opaque, unsigned int items, unsigned int size)
43 1.1 simonb {
44 1.5 tsutsui unsigned int totalsize;
45 1.1 simonb
46 1.1 simonb totalsize = items * size;
47 1.1 simonb opaque = alloc(totalsize);
48 1.1 simonb if (opaque != NULL)
49 1.6.14.1 jym memset(opaque, 0, totalsize);
50 1.5 tsutsui return opaque;
51 1.1 simonb }
52 1.1 simonb
53 1.1 simonb void
54 1.5 tsutsui zcfree(voidpf opaque, voidpf ptr)
55 1.1 simonb {
56 1.5 tsutsui
57 1.4 christos dealloc(ptr, 0); /* XXX: size not known */
58 1.1 simonb }
59