1 files changed, 22 insertions, 18 deletions

diff --git a/analysis/rtt/src/main.c b/analysis/rtt/src/main.c
index 13f7716..163b5f6 100644
--- a/analysis/rtt/src/main.c
+++ b/analysis/rtt/src/main.c
@@ -1,4 +1,3 @@
-
 #include "logger.h"
 #include "mqtt_client.h"
 #include <stdio.h>
@@ -8,21 +7,26 @@
 #define TOPIC "device/echo/in"
 #define CSV_FILE "rtt_throughput_log.csv"
 
-int main() {
-  mqtt_client_t client;
-
-  logger_init(CSV_FILE);
-
-  if (mqtt_client_init(&client, BROKER_ADDRESS, BROKER_PORT, TOPIC) != 0) {
-    fprintf(stderr, "MQTT initialization error\n");
-    return 1;
-  }
-
-  printf("Connection established.Waiting for messages...\n");
-  mqtt_client_loop(&client);
-
-  logger_cleanup();
-  mqtt_client_cleanup(&client);
-
-  return 0;
+/**
+ * @brief Entry point for MQTT client program.
+ *
+ * Initializes the logger and MQTT client, then enters the MQTT loop to receive
+ * messages. Cleans up resources on exit.
+ *
+ * @return int Exit code (0 on success, 1 on failure).
+ */
+int main(void)
+{
+        mqtt_client_t client;
+        logger_init(CSV_FILE);
+
+        if (mqtt_client_init(&client, BROKER_ADDRESS, BROKER_PORT, TOPIC))
+                return fprintf(stderr, "MQTT initialization error\n"), 1;
+
+        printf("Connection established. Waiting for messages...\n");
+        mqtt_client_loop(&client);
+        logger_cleanup();
+        mqtt_client_cleanup(&client);
+
+        return 0;
 }