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-rw-r--r--extmod/modlwip.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/extmod/modlwip.c b/extmod/modlwip.c
index 8811742d6..e62d4e7e4 100644
--- a/extmod/modlwip.c
+++ b/extmod/modlwip.c
@@ -911,9 +911,14 @@ STATIC mp_obj_t lwip_socket_bind(mp_obj_t self_in, mp_obj_t addr_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(lwip_socket_bind_obj, lwip_socket_bind);
-STATIC mp_obj_t lwip_socket_listen(mp_obj_t self_in, mp_obj_t backlog_in) {
- lwip_socket_obj_t *socket = MP_OBJ_TO_PTR(self_in);
- mp_int_t backlog = mp_obj_get_int(backlog_in);
+STATIC mp_obj_t lwip_socket_listen(size_t n_args, const mp_obj_t *args) {
+ lwip_socket_obj_t *socket = MP_OBJ_TO_PTR(args[0]);
+
+ mp_int_t backlog = 2;
+ if (n_args > 1) {
+ backlog = mp_obj_get_int(args[1]);
+ backlog = (backlog < 0) ? 0 : backlog;
+ }
if (socket->pcb.tcp == NULL) {
mp_raise_OSError(MP_EBADF);
@@ -946,7 +951,7 @@ STATIC mp_obj_t lwip_socket_listen(mp_obj_t self_in, mp_obj_t backlog_in) {
return mp_const_none;
}
-STATIC MP_DEFINE_CONST_FUN_OBJ_2(lwip_socket_listen_obj, lwip_socket_listen);
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(lwip_socket_listen_obj, 1, 2, lwip_socket_listen);
STATIC mp_obj_t lwip_socket_accept(mp_obj_t self_in) {
lwip_socket_obj_t *socket = MP_OBJ_TO_PTR(self_in);