code.delx.au - pulseaudio/blob - src/pulsecore/bitset.h

   1 #ifndef foopulsecorebitsethfoo
   2 #define foopulsecorebitsethfoo
   3
   4 /***
   5   This file is part of PulseAudio.
   6
   7   Copyright 2009 Lennart Poettering
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2.1 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <inttypes.h>
  26 #include <pulsecore/macro.h>
  27
  28 #define PA_BITSET_ELEMENTS(n) (((n)+31)/32)
  29 #define PA_BITSET_SIZE(n) (PA_BITSET_ELEMENTS(n)*4)
  30
  31 typedef uint32_t pa_bitset_t;
  32
  33 void pa_bitset_set(pa_bitset_t *b, unsigned k, bool v);
  34 bool pa_bitset_get(const pa_bitset_t *b, unsigned k);
  35 bool pa_bitset_equals(const pa_bitset_t *b, unsigned n, ...);
  36
  37 #endif