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60de5df9 | 1 | /* |
ad787160 C |
2 | * Copyright (c) 1983, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
46e9ea25 | 4 | * |
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5 | * This code is derived from software contributed to Berkeley by |
6 | * Edward Wang at The University of California, Berkeley. | |
7 | * | |
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8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
60de5df9 EW |
35 | */ |
36 | ||
46e9ea25 | 37 | #ifndef lint |
ad787160 | 38 | static char sccsid[] = "@(#)wwalloc.c 8.1 (Berkeley) 6/6/93"; |
46e9ea25 KB |
39 | #endif /* not lint */ |
40 | ||
ce3cd9c6 EW |
41 | #include "ww.h" |
42 | ||
43 | char ** | |
f2a77fe1 | 44 | wwalloc(row, col, nrow, ncol, size) |
ce3cd9c6 | 45 | { |
64431033 | 46 | register char *p, **pp; |
ce3cd9c6 EW |
47 | register int i; |
48 | ||
64431033 EW |
49 | /* fast, call malloc only once */ |
50 | pp = (char **) | |
51 | malloc((unsigned) sizeof (char **) * nrow + size * nrow * ncol); | |
03e75950 EW |
52 | if (pp == 0) { |
53 | wwerrno = WWE_NOMEM; | |
ce3cd9c6 | 54 | return 0; |
03e75950 | 55 | } |
64431033 | 56 | p = (char *)&pp[nrow]; |
f2a77fe1 | 57 | col *= size; |
64431033 EW |
58 | size /= sizeof (char); /* paranoid */ |
59 | size *= ncol; | |
ce3cd9c6 | 60 | for (i = 0; i < nrow; i++) { |
f2a77fe1 | 61 | pp[i] = p - col; |
64431033 | 62 | p += size; |
ce3cd9c6 | 63 | } |
f2a77fe1 | 64 | return pp - row; |
ce3cd9c6 EW |
65 | } |
66 | ||
f2a77fe1 | 67 | wwfree(p, row) |
ce3cd9c6 EW |
68 | register char **p; |
69 | { | |
f2a77fe1 | 70 | free((char *)(p + row)); |
ce3cd9c6 | 71 | } |