Merge branch 'master' of git://0pointer.de/pulseaudio into dbus-work

[pulseaudio] / src / pulse / proplist.c

diff --git a/src/pulse/proplist.c b/src/pulse/proplist.c
index c904f533e9ec6b9fa52b7118c82efb14c49f3ac7..faa98b79e4517aa419fc1d28742981405cb14902 100644 (file)
--- a/src/pulse/proplist.c
+++ b/src/pulse/proplist.c
@@ -251,7 +251,7 @@ int pa_proplist_set(pa_proplist *p, const char *key, const void *data, size_t nb
 
     pa_assert(p);
     pa_assert(key);
-    pa_assert(data);
+    pa_assert(data || nbytes == 0);
 
     if (!property_name_valid(key))
         return -1;
@@ -264,7 +264,8 @@ int pa_proplist_set(pa_proplist *p, const char *key, const void *data, size_t nb
         pa_xfree(prop->value);
 
     prop->value = pa_xmalloc(nbytes+1);
-    memcpy(prop->value, data, nbytes);
+    if (nbytes > 0)
+        memcpy(prop->value, data, nbytes);
     ((char*) prop->value)[nbytes] = 0;
     prop->nbytes = nbytes;
 
@@ -680,3 +681,32 @@ int pa_proplist_isempty(pa_proplist *p) {
 
     return pa_hashmap_isempty(MAKE_HASHMAP(p));
 }
+
+int pa_proplist_equal(pa_proplist *a, pa_proplist *b) {
+    const void *key = NULL;
+    struct property *a_prop = NULL;
+    struct property *b_prop = NULL;
+    void *state = NULL;
+
+    pa_assert(a);
+    pa_assert(b);
+
+    if (a == b)
+        return 1;
+
+    if (pa_proplist_size(a) != pa_proplist_size(b))
+        return 0;
+
+    while ((a_prop = pa_hashmap_iterate(MAKE_HASHMAP(a), &state, &key))) {
+        if (!(b_prop = pa_hashmap_get(MAKE_HASHMAP(b), key)))
+            return 0;
+
+        if (a_prop->nbytes != b_prop->nbytes)
+            return 0;
+
+        if (memcmp(a_prop->value, b_prop->value, a_prop->nbytes) != 0)
+            return 0;
+    }
+
+    return 1;
+}