Annotation of src/usr.bin/window/wwalloc.c, Revision 1.1.1.1
1.1 deraadt 1: /* $NetBSD: wwalloc.c,v 1.3 1995/09/28 10:35:10 tls Exp $ */
2:
3: /*
4: * Copyright (c) 1983, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * Edward Wang at The University of California, Berkeley.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #ifndef lint
40: #if 0
41: static char sccsid[] = "@(#)wwalloc.c 8.1 (Berkeley) 6/6/93";
42: #else
43: static char rcsid[] = "$NetBSD: wwalloc.c,v 1.3 1995/09/28 10:35:10 tls Exp $";
44: #endif
45: #endif /* not lint */
46:
47: #include "ww.h"
48:
49: char **
50: wwalloc(row, col, nrow, ncol, size)
51: {
52: register char *p, **pp;
53: register int i;
54:
55: /* fast, call malloc only once */
56: pp = (char **)
57: malloc((unsigned) sizeof (char **) * nrow + size * nrow * ncol);
58: if (pp == 0) {
59: wwerrno = WWE_NOMEM;
60: return 0;
61: }
62: p = (char *)&pp[nrow];
63: col *= size;
64: size /= sizeof (char); /* paranoid */
65: size *= ncol;
66: for (i = 0; i < nrow; i++) {
67: pp[i] = p - col;
68: p += size;
69: }
70: return pp - row;
71: }
72:
73: wwfree(p, row)
74: register char **p;
75: {
76: free((char *)(p + row));
77: }