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

   1 #ifndef foodynarrayhfoo
   2 #define foodynarrayhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as
  11   published by the Free Software Foundation; either version 2.1 of the
  12   License, or (at your option) any later version.
  13
  14   polypaudio 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   Lesser General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public
  20   License along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 typedef struct pa_dynarray pa_dynarray;
  26
  27 /* Implementation of a simple dynamically sized array. The array
  28  * expands if required, but doesn't shrink if possible. Memory
  29  * management of the array's entries is the user's job. */
  30
  31 pa_dynarray* pa_dynarray_new(void);
  32
  33 /* Free the array calling the specified function for every entry in
  34  * the array. The function may be NULL. */
  35 void pa_dynarray_free(pa_dynarray* a, void (*func)(void *p, void *userdata), void *userdata);
  36
  37 /* Store p at position i in the array */
  38 void pa_dynarray_put(pa_dynarray*a, unsigned i, void *p);
  39
  40 /* Store p a the first free position in the array. Returns the index
  41  * of that entry. If entries are removed from the array their position
  42  * are not filled any more by this function. */
  43 unsigned pa_dynarray_append(pa_dynarray*a, void *p);
  44
  45 void *pa_dynarray_get(pa_dynarray*a, unsigned i);
  46
  47 unsigned pa_dynarray_size(pa_dynarray*a);
  48
  49 #endif