zalloc.c revision 1.2 1 1.2 simonb /* $NetBSD: zalloc.c,v 1.2 1999/11/12 12:12:13 simonb 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 * 3. All advertising materials mentioning features or use of this software
19 1.1 simonb * must display the following acknowledgement:
20 1.1 simonb * This product includes software developed by the NetBSD
21 1.1 simonb * Foundation, Inc. and its contributors.
22 1.1 simonb * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 simonb * contributors may be used to endorse or promote products derived
24 1.1 simonb * from this software without specific prior written permission.
25 1.1 simonb *
26 1.1 simonb * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 simonb * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 simonb * POSSIBILITY OF SUCH DAMAGE.
37 1.1 simonb */
38 1.1 simonb
39 1.1 simonb
40 1.1 simonb #include "zutil.h"
41 1.1 simonb
42 1.1 simonb /*
43 1.1 simonb * A simple implementation of zcalloc and zcfree in terms of the libsa
44 1.1 simonb * alloc and free.
45 1.1 simonb */
46 1.1 simonb
47 1.1 simonb voidpf
48 1.1 simonb zcalloc(opaque, items, size)
49 1.1 simonb voidpf opaque;
50 1.1 simonb unsigned items;
51 1.1 simonb unsigned size;
52 1.1 simonb {
53 1.1 simonb unsigned totalsize;
54 1.1 simonb
55 1.1 simonb totalsize = items * size;
56 1.1 simonb opaque = alloc(totalsize);
57 1.1 simonb if (opaque != NULL)
58 1.1 simonb bzero(opaque, totalsize);
59 1.1 simonb return(opaque);
60 1.1 simonb }
61 1.1 simonb
62 1.1 simonb void
63 1.1 simonb zcfree(opaque, ptr)
64 1.1 simonb voidpf opaque;
65 1.1 simonb voidpf ptr;
66 1.1 simonb {
67 1.1 simonb free(ptr, 0); /* XXX: size not known */
68 1.1 simonb }
69