add new function pa_proplist_contains()

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2089 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 13 insertions, 0 deletions

diff --git a/src/pulse/proplist.c b/src/pulse/proplist.c
index 1c2614a0..c27c9d84 100644
--- a/src/pulse/proplist.c
+++ b/src/pulse/proplist.c
@@ -242,3 +242,16 @@ char *pa_proplist_to_string(pa_proplist *p) {
 
     return pa_strbuf_tostring_free(buf);
 }
+
+int pa_proplist_contains(pa_proplist *p, const char *key) {
+    pa_assert(p);
+    pa_assert(key);
+
+    if (!property_name_valid(key))
+        return -1;
+
+    if (!(pa_hashmap_get(MAKE_HASHMAP(p), key)))
+        return 0;
+
+    return 1;
+}