diff options
| -rw-r--r-- | src/native_bus.pyx | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/native_bus.pyx b/src/native_bus.pyx index 5cc425c..de33e91 100644 --- a/src/native_bus.pyx +++ b/src/native_bus.pyx @@ -201,9 +201,13 @@ def bus_write_wrapped(bus : int, message : str) -> int: cdef int bus_callback_wrapper(const char *message, user_data): - cdef bytes bs = message + cdef bytes bs callback, user_data = tuple(<object>user_data) - return <int>callback(bs, user_data) + if message is NULL: + return <int>callback(None, user_data) + else: + bs = message + return <int>callback(bs, user_data) def bus_read_wrapped(bus : int, callback : callable, user_data) -> int: |