2 * zmem.c -- part of ZilUtils/ZilAsm
4 * Copyright (C) 2016 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/>
21 #include <strings.h> /* bzero */
22 #include <stdlib.h> /* malloc, free */
26 ZMemblock* zmem_init(unsigned maxsize)
28 ZMemblock *zmb = malloc(sizeof(ZMemblock) + maxsize - 1);
30 zmb->allocated_size = maxsize;
32 bzero(&zmb->contents, maxsize);
36 void zmem_destroy(ZMemblock *zmb)
42 void zmem_putbyte(ZMemblock *zmb, unsigned char val)
45 assert(zmb->used_size < zmb->allocated_size);
46 zmb->contents[zmb->used_size++] = val;