diff options
author | Lennart Poettering <lennart@poettering.net> | 2006-06-19 21:53:48 +0000 |
---|---|---|
committer | Lennart Poettering <lennart@poettering.net> | 2006-06-19 21:53:48 +0000 |
commit | f44ba092651aa75055e109e04b4164ea92ae7fdc (patch) | |
tree | 5dfe076191b32946e78edf64d584d0a65f320013 /src/pulsecore/dynarray.c | |
parent | dd21f11deda64e65a6f75817496534c2c9dda1a8 (diff) |
big s/polyp/pulse/g
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/pulsecore/dynarray.c')
-rw-r--r-- | src/pulsecore/dynarray.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/pulsecore/dynarray.c b/src/pulsecore/dynarray.c new file mode 100644 index 00000000..d1ab1161 --- /dev/null +++ b/src/pulsecore/dynarray.c @@ -0,0 +1,103 @@ +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + 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 + Lesser 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 <assert.h> +#include <stdlib.h> + +#include <pulse/xmalloc.h> + +#include "dynarray.h" + +/* If the array becomes to small, increase its size by 100 entries */ +#define INCREASE_BY 100 + +struct pa_dynarray { + void **data; + unsigned n_allocated, n_entries; +}; + +pa_dynarray* pa_dynarray_new(void) { + pa_dynarray *a; + a = pa_xnew(pa_dynarray, 1); + a->data = NULL; + a->n_entries = 0; + a->n_allocated = 0; + return a; +} + +void pa_dynarray_free(pa_dynarray* a, void (*func)(void *p, void *userdata), void *userdata) { + unsigned i; + assert(a); + + if (func) + for (i = 0; i < a->n_entries; i++) + if (a->data[i]) + func(a->data[i], userdata); + + pa_xfree(a->data); + pa_xfree(a); +} + +void pa_dynarray_put(pa_dynarray*a, unsigned i, void *p) { + assert(a); + + if (i >= a->n_allocated) { + unsigned n; + + if (!p) + return; + + n = i+INCREASE_BY; + a->data = pa_xrealloc(a->data, sizeof(void*)*n); + memset(a->data+a->n_allocated, 0, sizeof(void*)*(n-a->n_allocated)); + a->n_allocated = n; + } + + a->data[i] = p; + + if (i >= a->n_entries) + a->n_entries = i+1; +} + +unsigned pa_dynarray_append(pa_dynarray*a, void *p) { + unsigned i = a->n_entries; + pa_dynarray_put(a, i, p); + return i; +} + +void *pa_dynarray_get(pa_dynarray*a, unsigned i) { + assert(a); + if (i >= a->n_allocated) + return NULL; + + assert(a->data); + return a->data[i]; +} + +unsigned pa_dynarray_size(pa_dynarray*a) { + assert(a); + return a->n_entries; +} |