window(1): Remove __RCSID & friends.
[dragonfly.git] / usr.bin / window / wwalloc.c
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2c872e05 1/* @(#)wwalloc.c 8.1 (Berkeley) 6/6/93 */
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2/* $NetBSD: wwalloc.c,v 1.6 2003/08/07 11:17:36 agc Exp $ */
3
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4/*
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
abecab39 19 * 3. Neither the name of the University nor the names of its contributors
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20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
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36#include <stdlib.h>
37#include "ww.h"
38
39char **
abecab39 40wwalloc(int row, int col, int nrow, int ncol, int size)
984263bc 41{
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42 char *p, **pp;
43 int i;
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44
45 /* fast, call malloc only once */
46 pp = (char **)
47 malloc((unsigned) sizeof (char **) * nrow + size * nrow * ncol);
48 if (pp == 0) {
49 wwerrno = WWE_NOMEM;
50 return 0;
51 }
52 p = (char *)&pp[nrow];
53 col *= size;
54 size /= sizeof (char); /* paranoid */
55 size *= ncol;
56 for (i = 0; i < nrow; i++) {
57 pp[i] = p - col;
58 p += size;
59 }
60 return pp - row;
61}
62
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63void
64wwfree(char **p, int row)
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65{
66 free((char *)(p + row));
67}