2 * ref.c: reference counting
4 * Copyright (C) 2009-2016 David Lutterkort
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Author: David Lutterkort <lutter@redhat.com>
28 int ref_make_ref(void *ptrptr, size_t size, size_t ref_ofs) {
29 *(void**) ptrptr = calloc(1, size);
30 if (*(void **)ptrptr == NULL) {
33 void *ptr = *(void **)ptrptr;
34 *((ref_t *) ((char*) ptr + ref_ofs)) = 1;
41 * indent-tabs-mode: nil