Fixed some warnings flagged by IAR C-STAT static analysis tool.

bacnet-stack/demo/handler/h_dcc.c

@@ -193,13 +193,13 @@ void handler_device_communication_control(
     len =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (len <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr,
             "DeviceCommunicationControl: " "Failed to send PDU (%s)!\n",
             strerror(errno));
-    }
 #endif
+    }
 
     return;
 }

bacnet-stack/demo/handler/h_rd.c

@@ -162,12 +162,12 @@ void handler_reinitialize_device(
     len =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (len <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "ReinitializeDevice: Failed to send PDU (%s)!\n",
             strerror(errno));
-    }
 #endif
+    }
 
     return;
 }

bacnet-stack/demo/handler/h_rp.c

@@ -193,13 +193,11 @@ void handler_read_property(
     bytes_sent =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (bytes_sent <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "Failed to send PDU (%s)!\n", strerror(errno));
-    }
-#else
-    bytes_sent = bytes_sent;
 #endif
+    }
 
     return;
 }

bacnet-stack/demo/handler/h_rpm.c

@@ -453,11 +453,9 @@ void handler_read_property_multiple(
     bytes_sent =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (bytes_sent <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "RPM: Failed to send PDU (%s)!\n", strerror(errno));
-    }
-#else
-    bytes_sent = bytes_sent;
 #endif
+    }
 }

bacnet-stack/demo/handler/h_wp.c

@@ -136,13 +136,11 @@ void handler_write_property(
     bytes_sent =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (bytes_sent <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "WP: Failed to send PDU (%s)!\n", strerror(errno));
-    }
-#else
-    bytes_sent = bytes_sent;
 #endif
+    }
 
     return;
 }

bacnet-stack/demo/handler/noserv.c

@@ -79,13 +79,13 @@ void handler_unrecognized_service(
     bytes_sent =
         datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (bytes_sent > 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "Sent Reject!\n");
-    } else {
-        fprintf(stderr, "Failed to Send Reject (%s)!\n", strerror(errno));
-    }
-#else
-    bytes_sent = bytes_sent;
 #endif
+    } else {
+#if PRINT_ENABLED
+        fprintf(stderr, "Failed to Send Reject (%s)!\n", strerror(errno));
+#endif
+    }
 }

bacnet-stack/demo/handler/s_iam.c

@@ -103,13 +103,11 @@ void Send_I_Am(
     /* send data */
     bytes_sent = datalink_send_pdu(&dest, &npdu_data, &buffer[0], pdu_len);
 
-#if PRINT_ENABLED
     if (bytes_sent <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "Failed to Send I-Am Reply (%s)!\n", strerror(errno));
-    }
-#else
-    bytes_sent = bytes_sent;
 #endif
+    }
 }
 
 /** Encode an I Am message to be unicast directly back to the src.
@@ -189,6 +187,6 @@ void Send_I_Am_Unicast(
     if (bytes_sent <= 0)
         fprintf(stderr, "Failed to Send I-Am Reply (%s)!\n", strerror(errno));
 #else
-    bytes_sent = bytes_sent;
+    (void)bytes_sent;
 #endif
 }

bacnet-stack/demo/handler/s_ihave.c

@@ -91,12 +91,10 @@ void Send_I_Have(
     bytes_sent =
         datalink_send_pdu(&dest, &npdu_data, &Handler_Transmit_Buffer[0],
         pdu_len);
-#if PRINT_ENABLED
     if (bytes_sent <= 0) {
+#if PRINT_ENABLED
         fprintf(stderr, "Failed to Send I-Have Reply (%s)!\n",
             strerror(errno));
-    }
-#else
-    bytes_sent = bytes_sent;
 #endif
+    }
 }