1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/***
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#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, pa_bool_t v) {
pa_assert(b);
if (v)
b[k >> 5] |= 1 << (k & 31);
else
b[k >> 5] &= ~((uint32_t) (1 << (k & 31)));
}
pa_bool_t pa_bitset_get(const pa_bitset_t *b, unsigned k) {
return !!(b[k >> 5] & (1 << (k & 31)));
}
pa_bool_t pa_bitset_equals(const pa_bitset_t *b, unsigned n, ...) {
va_list ap;
pa_bitset_t *a;
pa_bool_t 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;
}
|
