Revert "Revert "Minor fixes.""

This reverts commit 42aad33ec8.

examples/c-analysed/c-analysed.c

@@ -148,7 +148,7 @@ static void csv_buf_add(csv_buf_t buf, size_t * const csv_buf_used, char const *
 {
     size_t len;
 
-    if (siz_len > 0 && str != NULL)
+    if (siz_len > 1 && str != NULL)
     {
         len = MIN(BUFFER_REMAINING(*csv_buf_used), siz_len);
         if (len == 0)
@@ -564,6 +564,8 @@ static int mainloop(void)
 
 int main(int argc, char ** argv)
 {
+    init_logging("nDPIsrvd-analysed");
+
     sock = nDPIsrvd_socket_init(0, 0, 0, 0, simple_json_callback, NULL, NULL);
     if (sock == NULL)
     {

examples/py-flow-info/flow-info.py

@@ -235,6 +235,10 @@ def onFlowCleanup(instance, current_flow, global_user_data):
 def onJsonLineRecvd(json_dict, instance, current_flow, global_user_data):
     stats = global_user_data
     stats.update(json_dict, current_flow)
+
+    if 'packet_event_id' in json_dict:
+        return True
+
     stats.resetStatus()
 
     instance_and_source = ''

utils.c

@@ -144,6 +144,12 @@ int daemonize_with_pidfile(char const * const pidfile)
 
     if (daemonize != 0)
     {
+        if (pidfile == NULL)
+        {
+            logger_early(1, "%s", "Missing pidfile.");
+            return 1;
+        }
+
         if (is_daemon_running(pidfile, ps) != 0)
         {
             logger_early(1, "Pidfile %s found and daemon %s still running", pidfile, ps);