push-notification-driver-lua: Provide missing to/from as empty string

diff --git a/src/plugins/push-notification/push-notification-driver-lua.c b/src/plugins/push-notification/push-notification-driver-lua.c
index 2946a86c496e8facc8c0b78b9979f7b714d99851..bf9bb94d02fc80955b9748449c6bfb3263125287 100644 (file)
--- a/src/plugins/push-notification/push-notification-driver-lua.c
+++ b/src/plugins/push-notification/push-notification-driver-lua.c
@@ -339,18 +339,21 @@ push_notification_lua_push_mailboxrename(const struct push_notification_txn_even
        lua_setfield(script->L, -2, "mailbox_old");
 }
 
+#define push_notification_lua_pushstring(L, value) \
+       lua_pushstring((L), (value) == NULL ? "" : (value))
+
 static void
 push_notification_lua_push_message_ext(const struct push_notification_message_ext *ext,
                                       struct dlua_script *script)
 {
-       lua_pushstring(script->L, ext->from_address);
+       push_notification_lua_pushstring(script->L, ext->from_address);
        lua_setfield(script->L, -2, "from_address");
-       lua_pushstring(script->L, ext->from_display_name_utf8);
+       push_notification_lua_pushstring(script->L, ext->from_display_name_utf8);
        lua_setfield(script->L, -2, "from_display_name");
 
-       lua_pushstring(script->L, ext->to_address);
+       push_notification_lua_pushstring(script->L, ext->to_address);
        lua_setfield(script->L, -2, "to_address");
-       lua_pushstring(script->L, ext->to_display_name_utf8);
+       push_notification_lua_pushstring(script->L, ext->to_display_name_utf8);
        lua_setfield(script->L, -2, "to_display_name");
 
        lua_pushstring(script->L, ext->subject_utf8);
@@ -369,10 +372,10 @@ push_notification_lua_push_messageappend(const struct push_notification_txn_even
        lua_pushnumber(script->L, data->date_tz);
        lua_setfield(script->L, -2, "tz");
 
-       lua_pushstring(script->L, data->from);
+       push_notification_lua_pushstring(script->L, data->from);
        lua_setfield(script->L, -2, "from");
 
-       lua_pushstring(script->L, data->to);
+       push_notification_lua_pushstring(script->L, data->to);
        lua_setfield(script->L, -2, "to");
 
        lua_pushstring(script->L, data->snippet);
@@ -402,10 +405,10 @@ push_notification_lua_push_messagenew(const struct push_notification_txn_event *
        lua_pushnumber(script->L, data->date_tz);
        lua_setfield(script->L, -2, "tz");
 
-       lua_pushstring(script->L, data->from);
+       push_notification_lua_pushstring(script->L, data->from);
        lua_setfield(script->L, -2, "from");
 
-       lua_pushstring(script->L, data->to);
+       push_notification_lua_pushstring(script->L, data->to);
        lua_setfield(script->L, -2, "to");
 
        lua_pushstring(script->L, data->snippet);