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

   1 #ifndef foodynarrayhfoo
   2 #define foodynarrayhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   Copyright 2004-2006 Lennart Poettering
  10
  11   PulseAudio is free software; you can redistribute it and/or modify
  12   it under the terms of the GNU Lesser General Public License as
  13   published by the Free Software Foundation; either version 2.1 of the
  14   License, or (at your option) any later version.
  15
  16   PulseAudio is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   Lesser General Public License for more details.
  20
  21   You should have received a copy of the GNU Lesser General Public
  22   License along with PulseAudio; if not, write to the Free Software
  23   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  24   USA.
  25 ***/
  26
  27 typedef struct pa_dynarray pa_dynarray;
  28
  29 /* Implementation of a simple dynamically sized array. The array
  30  * expands if required, but doesn't shrink if possible. Memory
  31  * management of the array's entries is the user's job. */
  32
  33 pa_dynarray* pa_dynarray_new(void);
  34
  35 /* Free the array calling the specified function for every entry in
  36  * the array. The function may be NULL. */
  37 void pa_dynarray_free(pa_dynarray* a, void (*func)(void *p, void *userdata), void *userdata);
  38
  39 /* Store p at position i in the array */
  40 void pa_dynarray_put(pa_dynarray*a, unsigned i, void *p);
  41
  42 /* Store p a the first free position in the array. Returns the index
  43  * of that entry. If entries are removed from the array their position
  44  * are not filled any more by this function. */
  45 unsigned pa_dynarray_append(pa_dynarray*a, void *p);
  46
  47 void *pa_dynarray_get(pa_dynarray*a, unsigned i);
  48
  49 unsigned pa_dynarray_size(pa_dynarray*a);
  50
  51 #endif