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fa499dad06
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@284 fefdeb5f-60dc-0310-8127-8f9354f1896f
119 lines
3 KiB
C
119 lines
3 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#include <assert.h>
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#include "xmalloc.h"
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#include "props.h"
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#include "log.h"
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struct pa_property {
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char *name; /* Points to memory allocated by the property subsystem */
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void *data; /* Points to memory maintained by the caller */
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};
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/* Allocate a new property object */
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static struct pa_property* property_new(const char *name, void *data) {
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struct pa_property* p;
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assert(name && data);
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p = pa_xmalloc(sizeof(struct pa_property));
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p->name = pa_xstrdup(name);
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p->data = data;
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return p;
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}
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/* Free a property object */
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static void property_free(struct pa_property *p) {
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assert(p);
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pa_xfree(p->name);
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pa_xfree(p);
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}
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void* pa_property_get(struct pa_core *c, const char *name) {
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struct pa_property *p;
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assert(c && name && c->properties);
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if (!(p = pa_hashmap_get(c->properties, name)))
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return NULL;
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return p->data;
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}
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int pa_property_set(struct pa_core *c, const char *name, void *data) {
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struct pa_property *p;
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assert(c && name && data && c->properties);
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if (pa_hashmap_get(c->properties, name))
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return -1;
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p = property_new(name, data);
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pa_hashmap_put(c->properties, p->name, p);
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return 0;
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}
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int pa_property_remove(struct pa_core *c, const char *name) {
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struct pa_property *p;
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assert(c && name && c->properties);
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if (!(p = pa_hashmap_remove(c->properties, name)))
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return -1;
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property_free(p);
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return 0;
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}
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void pa_property_init(struct pa_core *c) {
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assert(c);
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c->properties = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
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}
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void pa_property_cleanup(struct pa_core *c) {
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assert(c);
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if (!c->properties)
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return;
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assert(!pa_hashmap_ncontents(c->properties));
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pa_hashmap_free(c->properties, NULL, NULL);
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c->properties = NULL;
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}
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void pa_property_dump(struct pa_core *c, struct pa_strbuf *s) {
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void *state = NULL;
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struct pa_property *p;
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assert(c && s);
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while ((p = pa_hashmap_iterate(c->properties, &state, NULL)))
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pa_strbuf_printf(s, "[%s] -> [%p]\n", p->name, p->data);
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}
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int pa_property_replace(struct pa_core *c, const char *name, void *data) {
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assert(c && name);
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pa_property_remove(c, name);
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return pa_property_set(c, name, data);
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}
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