void workout_what_to_print(struct what_to_print_array *what_to_print, struct tag_log_file_data *log_struct)
{
/* is this a syslog entry? */
- if (log_struct->log_filename[0]==NULL)
+ if (log_struct->log_filename[0]==0)
{
what_to_print->print_datetime = false;
what_to_print->print_processname = false;