cleaned clang compile warnings

src/bacnet/alarm_ack.c

@@ -114,9 +114,7 @@ int alarm_ack_decode_service_request(
     int section_len;
     uint32_t enumValue;
 
-    /* unused parameter */
-    apdu_len = apdu_len;
-
+    (void)apdu_len;
     if (-1 ==
         (section_len = decode_context_unsigned(
              &apdu[len], 0, &data->ackProcessIdentifier))) {

src/bacnet/basic/binding/address.c

@@ -760,7 +760,7 @@ int address_list_encode(uint8_t *apdu, unsigned apdu_len)
     /* FIXME: I really shouild check the length remaining here but it is
        fairly pointless until we have the true length remaining in
        the packet to work with as at the moment it is just MAX_APDU */
-    apdu_len = apdu_len;
+    (void)apdu_len;
     /* look for matching address */
     pMatch = Address_Cache;
     while (pMatch <= &Address_Cache[MAX_ADDRESS_CACHE - 1]) {

src/bacnet/basic/object/client/device-client.c

@@ -263,7 +263,7 @@ unsigned Device_Count(void)
 
 uint32_t Device_Index_To_Instance(unsigned index)
 {
-    index = index;
+    (void)index;
     return Object_Instance_Number;
 }
 

src/bacnet/basic/object/device.c

@@ -523,7 +523,7 @@ unsigned Device_Count(void)
 
 uint32_t Device_Index_To_Instance(unsigned index)
 {
-    index = index;
+    (void)index;
     return Object_Instance_Number;
 }
 

src/bacnet/basic/object/trendlog.c

@@ -1726,8 +1726,7 @@ void trend_log_timer(uint16_t uSeconds)
     int iCount = 0;
     time_t tNow = 0;
 
-    /* unused parameter */
-    uSeconds = uSeconds;
+    (void)uSeconds;
     /* use OS to get the current time */
     tNow = time(NULL);
     for (iCount = 0; iCount < MAX_TREND_LOGS; iCount++) {

src/bacnet/basic/service/h_cov.c

@@ -212,8 +212,7 @@ static int cov_encode_subscription(
     BACNET_OCTET_STRING octet_string;
     BACNET_ADDRESS *dest = NULL;
 
-    /* FIXME: unused parameter */
-    max_apdu = max_apdu;
+    (void)max_apdu;
     if (!cov_subscription) {
         return 0;
     }

src/bacnet/basic/service/h_ucov.c

@@ -65,7 +65,7 @@ void handler_ucov_notification(
     int len = 0;
 
     /* src not needed for this application */
-    src = src;
+    (void)src;
     /* create linked list to store data if more
        than one property value is expected */
     bacapp_property_value_list_init(&property_value[0], MAX_COV_PROPERTIES);

src/bacnet/basic/sys/debug.c

@@ -56,6 +56,6 @@ void debug_printf(const char *format, ...)
 #else
 void debug_printf(const char *format, ...)
 {
-    format = format;
+    (void)format;
 }
 #endif

src/bacnet/datalink/mstp.c

@@ -72,7 +72,7 @@
 #else
 static inline void printf_receive(const char *format, ...)
 {
-    format = format;
+    (void)format;
 }
 #endif
 
@@ -81,7 +81,7 @@ static inline void printf_receive(const char *format, ...)
 #else
 static inline void printf_receive_data(const char *format, ...)
 {
-    format = format;
+    (void)format;
 }
 #endif
 
@@ -90,7 +90,7 @@ static inline void printf_receive_data(const char *format, ...)
 #else
 static inline void printf_receive_error(const char *format, ...)
 {
-    format = format;
+    (void)format;
 }
 #endif
 
@@ -99,7 +99,7 @@ static inline void printf_receive_error(const char *format, ...)
 #else
 static inline void printf_master(const char *format, ...)
 {
-    format = format;
+    (void)format;
 }
 #endif
 

src/bacnet/getevent.c

@@ -111,8 +111,7 @@ int getevent_ack_encode_apdu_data(uint8_t *apdu,
     BACNET_GET_EVENT_INFORMATION_DATA *event_data;
     unsigned i = 0; /* counter */
 
-    /* unused parameter */
-    max_apdu = max_apdu;
+    (void)max_apdu;
     if (apdu) {
         event_data = get_event_data;
         while (event_data) {
@@ -158,8 +157,7 @@ int getevent_ack_encode_apdu_end(
 {
     int apdu_len = 0; /* total length of the apdu, return value */
 
-    /* unused parameter */
-    max_apdu = max_apdu;
+    (void)max_apdu;
     if (apdu) {
         apdu_len += encode_closing_tag(&apdu[apdu_len], 0);
         apdu_len += encode_context_boolean(&apdu[apdu_len], 1, moreEvents);

src/bacnet/lighting.c

@@ -129,7 +129,7 @@ int lighting_command_decode(
     uint32_t unsigned_value = 0;
     float real_value = 0.0;
 
-    apdu_max_len = apdu_max_len;
+    (void)apdu_max_len;
     /* check for value pointers */
     if (apdu_max_len && data) {
         /* Tag 0: operation */

src/bacnet/ptransfer.c

@@ -54,7 +54,7 @@ static int pt_encode_apdu(uint8_t *apdu,
         }
     */
     /* unused parameter */
-    max_apdu = max_apdu;
+    (void)max_apdu;
     if (apdu) {
         len =
             encode_context_unsigned(&apdu[apdu_len], 0, private_data->vendorID);