2 This file is part of PulseAudio.
4 Copyright 2009 Lennart Poettering
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 published
8 by the Free Software Foundation; either version 2.1 of the License,
9 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 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
26 #include <pulse/xmalloc.h>
30 void pa_bitset_set(pa_bitset_t *b, unsigned k, bool v) {
34 b[k >> 5] |= 1 << (k & 31);
36 b[k >> 5] &= ~((uint32_t) (1 << (k & 31)));
39 bool pa_bitset_get(const pa_bitset_t *b, unsigned k) {
40 return !!(b[k >> 5] & (1 << (k & 31)));
43 bool pa_bitset_equals(const pa_bitset_t *b, unsigned n, ...) {
48 a = pa_xnew0(pa_bitset_t, PA_BITSET_ELEMENTS(n));
52 int j = va_arg(ap, int);
57 pa_bitset_set(a, j, true);
61 equal = memcmp(a, b, PA_BITSET_SIZE(n)) == 0;