summaryrefslogtreecommitdiffstats
path: root/src/pulsecore/props.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/pulsecore/props.c')
-rw-r--r--src/pulsecore/props.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/pulsecore/props.c b/src/pulsecore/props.c
new file mode 100644
index 00000000..8879b7aa
--- /dev/null
+++ b/src/pulsecore/props.c
@@ -0,0 +1,121 @@
+/* $Id$ */
+
+/***
+ 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 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
+ 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.
+***/
+
+#include <assert.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/log.h>
+
+#include "props.h"
+
+typedef struct pa_property {
+ char *name; /* Points to memory allocated by the property subsystem */
+ void *data; /* Points to memory maintained by the caller */
+} pa_property;
+
+/* Allocate a new property object */
+static pa_property* property_new(const char *name, void *data) {
+ pa_property* p;
+ assert(name && data);
+
+ p = pa_xmalloc(sizeof(pa_property));
+ p->name = pa_xstrdup(name);
+ p->data = data;
+
+ return p;
+}
+
+/* Free a property object */
+static void property_free(pa_property *p) {
+ assert(p);
+
+ pa_xfree(p->name);
+ pa_xfree(p);
+}
+
+void* pa_property_get(pa_core *c, const char *name) {
+ pa_property *p;
+ assert(c && name && c->properties);
+
+ if (!(p = pa_hashmap_get(c->properties, name)))
+ return NULL;
+
+ return p->data;
+}
+
+int pa_property_set(pa_core *c, const char *name, void *data) {
+ pa_property *p;
+ assert(c && name && data && c->properties);
+
+ if (pa_hashmap_get(c->properties, name))
+ return -1;
+
+ p = property_new(name, data);
+ pa_hashmap_put(c->properties, p->name, p);
+ return 0;
+}
+
+int pa_property_remove(pa_core *c, const char *name) {
+ pa_property *p;
+ assert(c && name && c->properties);
+
+ if (!(p = pa_hashmap_remove(c->properties, name)))
+ return -1;
+
+ property_free(p);
+ return 0;
+}
+
+void pa_property_init(pa_core *c) {
+ assert(c);
+
+ c->properties = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+}
+
+void pa_property_cleanup(pa_core *c) {
+ assert(c);
+
+ if (!c->properties)
+ return;
+
+ assert(!pa_hashmap_size(c->properties));
+
+ pa_hashmap_free(c->properties, NULL, NULL);
+ c->properties = NULL;
+
+}
+
+void pa_property_dump(pa_core *c, pa_strbuf *s) {
+ void *state = NULL;
+ pa_property *p;
+ assert(c && s);
+
+ while ((p = pa_hashmap_iterate(c->properties, &state, NULL)))
+ pa_strbuf_printf(s, "[%s] -> [%p]\n", p->name, p->data);
+}
+
+int pa_property_replace(pa_core *c, const char *name, void *data) {
+ assert(c && name);
+
+ pa_property_remove(c, name);
+ return pa_property_set(c, name, data);
+}