76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/* $NetBSD: wwalloc.c,v 1.6 2003/08/07 11:17:36 agc Exp $ */
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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)wwalloc.c 8.1 (Berkeley) 6/6/93";
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#else
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__RCSID("$NetBSD: wwalloc.c,v 1.6 2003/08/07 11:17:36 agc Exp $");
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#endif
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#endif /* not lint */
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#include <stdlib.h>
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#include "ww.h"
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char **
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wwalloc(int row, int col, int nrow, int ncol, int size)
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{
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char *p, **pp;
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int i;
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/* fast, call malloc only once */
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pp = (char **)
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malloc((unsigned) sizeof (char **) * nrow + size * nrow * ncol);
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if (pp == 0) {
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wwerrno = WWE_NOMEM;
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return 0;
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}
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p = (char *)&pp[nrow];
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col *= size;
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size /= sizeof (char); /* paranoid */
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size *= ncol;
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for (i = 0; i < nrow; i++) {
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pp[i] = p - col;
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p += size;
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}
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return pp - row;
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}
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void
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wwfree(char **p, int row)
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{
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free((char *)(p + row));
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}
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