fix prototypes for fn()

platform/posix/hci_transport_h4_posix.c

@@ -413,7 +413,7 @@ static void dummy_handler(uint8_t packet_type, uint8_t *packet, uint16_t size){
 }
 
 // get h4 singleton
-const hci_transport_t * hci_transport_h4_instance() {
+const hci_transport_t * hci_transport_h4_instance(void) {
     if (hci_transport_h4 == NULL) {
         hci_transport_h4 = (hci_transport_h4_t*)malloc( sizeof(hci_transport_h4_t));
         memset(hci_transport_h4, 0, sizeof(hci_transport_h4_t));

platform/posix/hci_transport_h5_posix.c

@@ -672,7 +672,7 @@ static void hci_transport_h5_process(btstack_data_source_t *ds, btstack_data_sou
 }
 
 // get h5 singleton
-const hci_transport_t * hci_transport_h5_instance() {
+const hci_transport_t * hci_transport_h5_instance(void) {
     if (hci_transport_h5 == NULL) {
         hci_transport_h5 = (hci_transport_t*) malloc(sizeof(hci_transport_t));
         memset(hci_transport_h5, 0, sizeof(hci_transport_t));

port/ios/src/hci_transport_h4_iphone.c

@@ -247,7 +247,7 @@ err_out0:
     return -1;
 }
 
-static int h4_close(){
+static int h4_close(void){
     // first remove run loop handler
 	btstack_run_loop_remove_data_source(hci_transport_h4->ds);
     
@@ -389,7 +389,7 @@ static void dummy_handler(uint8_t packet_type, uint8_t *packet, uint16_t size){
 }
 
 // get h4 singleton
-const hci_transport_t * hci_transport_h4_instance() {
+const hci_transport_t * hci_transport_h4_instance(void) {
     if (hci_transport_h4 == NULL) {
         hci_transport_h4 = (hci_transport_h4_t*)malloc( sizeof(hci_transport_h4_t));
         memset(hci_transport_h4, 0, sizeof(hci_transport_h4_t));

port/libusb/hci_transport_h2_libusb.c

@@ -1024,7 +1024,7 @@ static void dummy_handler(uint8_t packet_type, uint8_t *packet, uint16_t size){
 }
 
 // get usb singleton
-const hci_transport_t * hci_transport_usb_instance() {
+const hci_transport_t * hci_transport_usb_instance(void) {
     if (!hci_transport_usb) {
         hci_transport_usb = (hci_transport_t*) malloc( sizeof(hci_transport_t));
         memset(hci_transport_usb, 0, sizeof(hci_transport_t));

port/nrf5x/main.c

@@ -80,7 +80,7 @@ void uart_error_handle(app_uart_evt_t * p_event)
     }
 }
 
-static void init_timer() {
+static void init_timer(void) {
 
 #if 1
     // start high frequency clock source if not done yet

port/wiced/hci_transport_h4_wiced.c

@@ -330,7 +330,7 @@ static void dummy_handler(uint8_t packet_type, uint8_t *packet, uint16_t size){
 }
 
 // get h4 singleton
-const hci_transport_t * hci_transport_h4_instance() {
+const hci_transport_t * hci_transport_h4_instance(void) {
     if (hci_transport_h4 == NULL) {
         hci_transport_h4 = (hci_transport_h4_t*)malloc( sizeof(hci_transport_h4_t));
         memset(hci_transport_h4, 0, sizeof(hci_transport_h4_t));

src/classic/hfp.c

@@ -225,7 +225,7 @@ static void hfp_emit_audio_connection_established_event(hfp_callback_t callback,
     (*callback)(event, sizeof(event));
 }
 
-btstack_linked_list_t * hfp_get_connections(){
+btstack_linked_list_t * hfp_get_connections(void){
     return (btstack_linked_list_t *) &hfp_connections;
 } 
 

src/classic/hfp_ag.c

@@ -156,7 +156,7 @@ void hfp_ag_register_packet_handler(hfp_callback_t callback){
     hfp_set_callback(callback); 
 }
 
-static int use_in_band_tone(){
+static int use_in_band_tone(void){
     return get_bit(hfp_supported_features, HFP_AGSF_IN_BAND_RING_TONE);
 }
 
@@ -1022,7 +1022,7 @@ static void hfp_ag_trigger_terminate_call(void){
     hfp_emit_simple_event(hfp_callback, HFP_SUBEVENT_CALL_TERMINATED);
 }
 
-static void hfp_ag_set_callsetup_indicator(){
+static void hfp_ag_set_callsetup_indicator(void){
     hfp_ag_indicator_t * indicator = get_ag_indicator_for_name("callsetup");
     if (!indicator){
         log_error("hfp_ag_set_callsetup_indicator: callsetup indicator is missing");
@@ -1030,7 +1030,7 @@ static void hfp_ag_set_callsetup_indicator(){
     indicator->status = hfp_gsm_callsetup_status();
 }
 
-static void hfp_ag_set_callheld_indicator(){
+static void hfp_ag_set_callheld_indicator(void){
     hfp_ag_indicator_t * indicator = get_ag_indicator_for_name("callheld");
     if (!indicator){
         log_error("hfp_ag_set_callheld_state: callheld indicator is missing");
@@ -1038,7 +1038,7 @@ static void hfp_ag_set_callheld_indicator(){
     indicator->status = hfp_gsm_callheld_status();
 }
 
-static void hfp_ag_set_call_indicator(){
+static void hfp_ag_set_call_indicator(void){
     hfp_ag_indicator_t * indicator = get_ag_indicator_for_name("call");
     if (!indicator){
         log_error("hfp_ag_set_call_state: call indicator is missing");

src/classic/hfp_hf.c

@@ -1056,7 +1056,7 @@ static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8
     hfp_run_for_context(hfp_connection);
 }
 
-static void hfp_run(){
+static void hfp_run(void){
     btstack_linked_list_iterator_t it;    
     btstack_linked_list_iterator_init(&it, hfp_get_connections());
     while (btstack_linked_list_iterator_has_next(&it)){

src/hci.c

@@ -3548,7 +3548,7 @@ void hci_set_sco_voice_setting(uint16_t voice_setting){
  * @brief Get SCO Voice Setting
  * @return current voice setting
  */
-uint16_t hci_get_sco_voice_setting(){
+uint16_t hci_get_sco_voice_setting(void){
     return hci_stack->sco_voice_setting;
 }
 

test/gatt_client/mock.c

@@ -84,7 +84,7 @@ uint16_t l2cap_max_le_mtu(void){
     return max_mtu;
 }
 
-void l2cap_init(){}
+void l2cap_init(void){}
 
 void l2cap_register_fixed_channel(btstack_packet_handler_t packet_handler, uint16_t channel_id) {
     att_packet_handler = packet_handler;

test/hfp/hfp_ag_client_test.c

@@ -110,11 +110,11 @@ static hfp_generic_status_indicator_t hf_indicators[] = {
 static uint16_t handle = -1;
 static int memory_1_enabled = 1;
 
-int has_more_hfp_ag_commands(){
+int has_more_hfp_ag_commands(void){
     return has_more_hfp_commands(2,2);
 }
 
-char * get_next_hfp_ag_command(){
+char * get_next_hfp_ag_command(void){
    return get_next_hfp_command(2,2);
 }
 

test/hfp/hfp_hf_client_test.c

@@ -83,11 +83,11 @@ static int supported_features_with_codec_negotiation = 438;
 
 static uint16_t handle = -1;
 
-char * get_next_hfp_hf_command(){
+char * get_next_hfp_hf_command(void){
     return get_next_hfp_command(0,2);
 }
 
-int has_more_hfp_hf_commands(){
+int has_more_hfp_hf_commands(void){
     return has_more_hfp_commands(0,2);
 }
 

test/hfp/mock.c

@@ -72,11 +72,11 @@ hfp_connection_t * hfp_context;
 void (*registered_rfcomm_packet_handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
 void (*registered_sdp_app_callback)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
 
-uint8_t * get_rfcomm_payload(){
+uint8_t * get_rfcomm_payload(void){
 	return &rfcomm_payload[0];
 }
 
-uint16_t get_rfcomm_payload_len(){
+uint16_t get_rfcomm_payload_len(void){
 	return rfcomm_payload_len;
 }
 
@@ -169,7 +169,7 @@ int rfcomm_send_prepared(uint16_t rfcomm_cid, uint16_t len){
     return rfcomm_send(rfcomm_cid, rfcomm_reserved_buffer, len);
 }
 
-static void hci_event_sco_complete(){
+static void hci_event_sco_complete(void){
     uint8_t event[19];
     uint8_t pos = 0;
     event[pos++] = HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE;
@@ -306,7 +306,7 @@ uint8_t gap_disconnect(hci_con_handle_t handle){
     return 0;
 }
 
-uint16_t hci_get_sco_voice_setting(){
+uint16_t hci_get_sco_voice_setting(void){
     return 0x40;
 }
 

test/hfp/test_sequences.c

@@ -4126,47 +4126,47 @@ hfp_test_item_t pts_hf_rhh_tests[] = {
 static int test_item_size = sizeof(hfp_test_item_t);
 
 // CC
-int hfp_cc_tests_size(){ return sizeof(cc_tests) /test_item_size;}
-hfp_test_item_t * hfp_cc_tests(){ return cc_tests;}
-hfp_test_item_t * default_hfp_cc_test(){ return &cc_tests[0];}
+int hfp_cc_tests_size(void){ return sizeof(cc_tests) /test_item_size;}
+hfp_test_item_t * hfp_cc_tests(void){ return cc_tests;}
+hfp_test_item_t * default_hfp_cc_test(void){ return &cc_tests[0];}
 
 // PTS - SLC Group
-int hfp_pts_ag_slc_tests_size(){ return sizeof(pts_ag_slc_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_ag_slc_tests(){ return pts_ag_slc_tests;}
+int hfp_pts_ag_slc_tests_size(void){ return sizeof(pts_ag_slc_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_ag_slc_tests(void){ return pts_ag_slc_tests;}
 
-int hfp_pts_hf_slc_tests_size(){ return sizeof(pts_hf_slc_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_hf_slc_tests(){ return pts_hf_slc_tests;}
+int hfp_pts_hf_slc_tests_size(void){ return sizeof(pts_hf_slc_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_hf_slc_tests(void){ return pts_hf_slc_tests;}
 
 // PTS - ATA Group
-int hfp_pts_ag_ata_tests_size(){ return sizeof(pts_ag_ata_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_ag_ata_tests(){ return pts_ag_ata_tests;}
+int hfp_pts_ag_ata_tests_size(void){ return sizeof(pts_ag_ata_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_ag_ata_tests(void){ return pts_ag_ata_tests;}
 
-int hfp_pts_hf_ata_tests_size(){ return sizeof(pts_hf_ata_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_hf_ata_tests(){ return pts_hf_ata_tests;}
+int hfp_pts_hf_ata_tests_size(void){ return sizeof(pts_hf_ata_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_hf_ata_tests(void){ return pts_hf_ata_tests;}
 
 // PTS - TWC Group
-int hfp_pts_ag_twc_tests_size(){ return sizeof(pts_ag_twc_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_ag_twc_tests(){ return pts_ag_twc_tests;}
-int hfp_pts_hf_twc_tests_size(){ return sizeof(pts_hf_twc_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_hf_twc_tests(){ return pts_hf_twc_tests;}
+int hfp_pts_ag_twc_tests_size(void){ return sizeof(pts_ag_twc_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_ag_twc_tests(void){ return pts_ag_twc_tests;}
+int hfp_pts_hf_twc_tests_size(void){ return sizeof(pts_hf_twc_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_hf_twc_tests(void){ return pts_hf_twc_tests;}
 
 // PTS - ECS Group
-int hfp_pts_ag_ecs_tests_size(){ return sizeof(pts_ag_ecs_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_ag_ecs_tests(){ return pts_ag_ecs_tests;}
-int hfp_pts_hf_ecs_tests_size(){ return sizeof(pts_hf_ecs_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_hf_ecs_tests(){ return pts_hf_ecs_tests;}
+int hfp_pts_ag_ecs_tests_size(void){ return sizeof(pts_ag_ecs_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_ag_ecs_tests(void){ return pts_ag_ecs_tests;}
+int hfp_pts_hf_ecs_tests_size(void){ return sizeof(pts_hf_ecs_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_hf_ecs_tests(void){ return pts_hf_ecs_tests;}
 
 // PTS - ECC Group
-int hfp_pts_ag_ecc_tests_size(){ return sizeof(pts_ag_ecc_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_ag_ecc_tests(){ return pts_ag_ecc_tests;}
-int hfp_pts_hf_ecc_tests_size(){ return sizeof(pts_hf_ecc_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_hf_ecc_tests(){ return pts_hf_ecc_tests;}
+int hfp_pts_ag_ecc_tests_size(void){ return sizeof(pts_ag_ecc_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_ag_ecc_tests(void){ return pts_ag_ecc_tests;}
+int hfp_pts_hf_ecc_tests_size(void){ return sizeof(pts_hf_ecc_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_hf_ecc_tests(void){ return pts_hf_ecc_tests;}
 
 // PTS - RHH Group
-int hfp_pts_ag_rhh_tests_size(){ return sizeof(pts_ag_rhh_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_ag_rhh_tests(){ return pts_ag_rhh_tests;}
-int hfp_pts_hf_rhh_tests_size(){ return sizeof(pts_hf_rhh_tests)/test_item_size;}
-hfp_test_item_t * hfp_pts_hf_rhh_tests(){ return pts_hf_rhh_tests;}
+int hfp_pts_ag_rhh_tests_size(void){ return sizeof(pts_ag_rhh_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_ag_rhh_tests(void){ return pts_ag_rhh_tests;}
+int hfp_pts_hf_rhh_tests_size(void){ return sizeof(pts_hf_rhh_tests)/test_item_size;}
+hfp_test_item_t * hfp_pts_hf_rhh_tests(void){ return pts_hf_rhh_tests;}