4 This file is part of PulseAudio.
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 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 PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulse/xmalloc.h>
35 void pa_memchunk_make_writable(pa_memchunk *c, size_t min) {
41 assert(PA_REFCNT_VALUE(c->memblock) > 0);
43 if (PA_REFCNT_VALUE(c->memblock) == 1 &&
44 !c->memblock->read_only &&
45 c->memblock->length >= c->index+min)
52 n = pa_memblock_new(c->memblock->pool, l);
53 memcpy(n->data, (uint8_t*) c->memblock->data + c->index, c->length);
54 pa_memblock_unref(c->memblock);
59 void pa_memchunk_reset(pa_memchunk *c) {
63 c->length = c->index = 0;