/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)wwalloc.c	3.9 (Berkeley) 06/29/88";
#endif /* not lint */

#include "ww.h"

char **
wwalloc(row, col, nrow, ncol, size)
{
	register char *p, **pp;
	register int i;

	/* fast, call malloc only once */
	pp = (char **)
		malloc((unsigned) sizeof (char **) * nrow + size * nrow * ncol);
	if (pp == 0) {
		wwerrno = WWE_NOMEM;
		return 0;
	}
	p = (char *)&pp[nrow];
	col *= size;
	size /= sizeof (char);		/* paranoid */
	size *= ncol;
	for (i = 0; i < nrow; i++) {
		pp[i] = p - col;
		p += size;
	}
	return pp - row;
}

wwfree(p, row)
register char **p;
{
	free((char *)(p + row));
}