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/***
This file is part of PulseAudio.
Copyright 2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <pulse/xmalloc.h>
#include "bitset.h"
void pa_bitset_set(pa_bitset_t *b, unsigned k, bool v) {
pa_assert(b);
if (v)
b[k >> 5] |= 1 << (k & 31);
else
b[k >> 5] &= ~((uint32_t) (1 << (k & 31)));
}
bool pa_bitset_get(const pa_bitset_t *b, unsigned k) {
return !!(b[k >> 5] & (1 << (k & 31)));
}
bool pa_bitset_equals(const pa_bitset_t *b, unsigned n, ...) {
va_list ap;
pa_bitset_t *a;
bool equal;
a = pa_xnew0(pa_bitset_t, PA_BITSET_ELEMENTS(n));
va_start(ap, n);
for (;;) {
int j = va_arg(ap, int);
if (j < 0)
break;
pa_bitset_set(a, j, true);
}
va_end(ap);
equal = memcmp(a, b, PA_BITSET_SIZE(n)) == 0;
pa_xfree(a);
return equal;
}
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