fix crash

src/rds.c

@@ -697,14 +697,19 @@ void set_rds_defaults(RDSEncoder* enc, uint8_t program) {
 
 	enc->encoder_data.ascii_data.expected_encoder_addr = 255; // Unknown
 
-	lua_on_init();
+	if(enc->state[0].first_init_done) lua_on_init();
 }
 
 void init_rds_encoder(RDSEncoder* enc) {
+	enc->state[0].first_init_done = 0;
 	for(int i = 0; i < PROGRAMS; i++) set_rds_defaults(enc, i);
+	enc->state[0].first_init_done = 1;
 
 	if (encoder_saved()) encoder_loadFromFile(enc);
-	else encoder_saveToFile(enc);
+	else {
+		encoder_saveToFile(enc);
+		lua_on_init();
+	}
 
 	for(int i = 0; i < PROGRAMS; i++) reset_rds_state(enc, i);
 }

src/rds.h

@@ -172,6 +172,8 @@ typedef struct {
 
 	uint16_t last_stream0_group[3];
 	uint8_t last_stream0_group_type_b : 1;
+
+	uint8_t first_init_done : 1;
 } RDSState;
 
 typedef struct {

src/rds95.c

@@ -157,6 +157,7 @@ int main(int argc, char **argv) {
 
 	RDSEncoder rdsEncoder;
 	RDSModulator rdsModulator;
+    init_lua(rds_mod);
 	init_rds_encoder(&rdsEncoder);
 	init_rds_modulator(&rdsModulator, &rdsEncoder, config.num_streams);
 

src/udp_server.c

@@ -31,7 +31,6 @@ int open_udp_server(int port, RDSModulator* rds_mod) {
     poller.events = POLLIN;
 
     mod = rds_mod;
-    init_lua(rds_mod);
 
     return 0;
 }