Make print go to beginning of line instead of printing multiple lines

packet-exchange/src/client.c

@@ -211,16 +211,16 @@ int main(int argc, char *argv[]) {
     if (main_param.verbose) {
       if (tsn_task == RTT_TASK) {
 
-        printf("RTT: %*" PRIu64 " (%*d)\n", 10, stats->rtt, 10, stats->nb_cycles);
-
+        printf("%*d:   RTT: %*" PRIu64 "\n", 10, stats->nb_cycles, 10, stats->rtt);
+	printf("\033[%dA", 1);
       } else if (enable_timestamps) {
 
         int64_t user_space_time = stats->packet_info.userspace_exit_ts - stats->packet_info.userspace_enter_ts;
         int64_t kernel_space_time = stats->packet_info.kernelspace_ts - stats->packet_info.userspace_exit_ts;
 
-        printf("(%*d)  User and kernel space time:      %*" PRIi64 ",  %" PRIi64 "\n",
-               10, stats->nb_cycles, 10, user_space_time, kernel_space_time);
-
+        printf("%*d:   U: %*" PRIi64 ",   K: %*" PRIi64 "\n",
+               10, stats->nb_cycles, 10, user_space_time, 10, kernel_space_time);
+	printf("\033[%dA", 1);
       }
     }
 

packet-exchange/src/server.c

@@ -178,7 +178,6 @@ static void *packet_receiving_thread(void *p) {
 int main(int argc, char *argv[]) {
   pthread_t thread;
   thread_stat_t *stats;
-  int64_t diff;
 
   param = malloc(sizeof(thread_param_t));
   stats = &param->stats;
@@ -226,21 +225,29 @@ int main(int argc, char *argv[]) {
     if (main_param.verbose) {
 
       if (tsn_task == RECV_PACKET_TASK) {
-        diff = ((int64_t)stats->max_interval) - stats->min_interval;
-        printf("(%*d)  Jitter                :       %*" PRIi64 " [Packet data: %*s] [Lost packets: %*d]\n",
+
+        int64_t jitter = ((int64_t)stats->max_interval) - stats->min_interval;
+
+        printf("%*d:   J: %*" PRIi64,
                10, stats->packets_received,
-               10, diff,
-               10, stats->packet_info.data,
-               10, stats->lost_packets);
+               10, jitter);
 
         if (enable_timestamps) {
 
           int64_t user_space_time = stats->packet_info.userspace_exit_ts - stats->packet_info.userspace_enter_ts;
           int64_t kernel_space_time = stats->packet_info.kernelspace_ts - stats->packet_info.userspace_exit_ts;
 
-          printf("(%*d)  User and kernel space time:   %*" PRIi64 ",  %" PRIi64 "\n",
-                 10, stats->packets_received, 10, user_space_time, kernel_space_time);
+          printf(",   U: %*" PRIi64 ",   K: %*" PRIi64 ",   D: %*s,   L: %*d\n",
+                 10, user_space_time,
+                 10, kernel_space_time,
+                 4, stats->packet_info.data,
+                 4, stats->lost_packets);
         }
+        else {
+          printf("\n");
+        }
+
+	printf("\033[%dA", 1);
       }
     }
   }