2 * zmem.c -- part of ZilUtils/ZilAsm
4 * Copyright (C) 2016, 2019 Jason Self <j@jxself.org>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>
19 * SPDX-License-Identifier: AGPL-3.0-or-later
23 #include <strings.h> /* bzero */
25 #include <stdlib.h> /* malloc, free */
30 zmem_init (unsigned maxsize)
32 ZMemblock *zmb = malloc (sizeof (ZMemblock) + maxsize - 1);
34 zmb->allocated_size = maxsize;
36 bzero (&zmb->contents, maxsize);
41 zmem_destroy (ZMemblock * zmb)
48 zmem_putbyte (ZMemblock * zmb, unsigned char val)
51 assert (zmb->used_size < zmb->allocated_size);
52 zmb->contents[zmb->used_size++] = val;