/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Edward Wang at The University of California, Berkeley. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement: ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * 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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char sccsid[] = "@(#)wwalloc.c 3.11 (Berkeley) 6/6/90"; #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)); }