Moved stanza_get_child_by_ns

src/server/stanza.c

@@ -111,6 +111,39 @@ stanza_add_child(XMPPStanza *parent, XMPPStanza *child)
     parent->children = g_list_append(parent->children, child);
 }
 
+XMPPStanza*
+stanza_get_child_by_ns(XMPPStanza *stanza, char *ns)
+{
+    if (!stanza) {
+        return NULL;
+    }
+
+    if (!stanza->children) {
+        return NULL;
+    }
+
+    GList *curr_child = stanza->children;
+    while (curr_child) {
+        XMPPStanza *child = curr_child->data;
+        if (!child->attrs) {
+            return NULL;
+        }
+        GList *curr_attr = child->attrs;
+        while (curr_attr) {
+            XMPPAttr *attr = curr_attr->data;
+            if ((g_strcmp0(attr->name, "xmlns") == 0) && (g_strcmp0(attr->value, ns) == 0)) {
+                return child;
+            }
+
+            curr_attr = g_list_next(curr_attr);
+        }
+
+        curr_child = g_list_next(curr_child);
+    }
+
+    return NULL;
+}
+
 static void
 start_element(void *data, const char *element, const char **attributes)
 {