static int start_logging()

in plugin/server_audit/server_audit.cc [908:976]

• 62 lines of code
• 9 McCabe index (conditional complexity)

static int start_logging()
{
  last_error_buf[0]= 0;
  log_write_failures= 0;
  if (output_type == OUTPUT_FILE)
  {
    char alt_path_buffer[FN_REFLEN+1+DEFAULT_FILENAME_LEN];
    struct stat *f_stat= (struct stat *)alt_path_buffer;
    const char *alt_fname= file_path;

    while (*alt_fname == ' ')
      alt_fname++;

    if (*alt_fname == 0)
    {
      /* Empty string means the default file name. */
      alt_fname= default_file_name;
    }
    else
    {
      /* See if the directory exists with the name of file_path.    */
      /* Log file name should be [file_path]/server_audit.log then. */
      if (stat(file_path, (struct stat *)alt_path_buffer) == 0 &&
          S_ISDIR(f_stat->st_mode))
      {
        size_t p_len= strlen(file_path);
        memcpy(alt_path_buffer, file_path, p_len);
        if (alt_path_buffer[p_len-1] != FN_LIBCHAR)
        {
          alt_path_buffer[p_len]= FN_LIBCHAR;
          p_len++;
        }
        memcpy(alt_path_buffer+p_len, default_file_name, DEFAULT_FILENAME_LEN);
        alt_path_buffer[p_len+DEFAULT_FILENAME_LEN]= 0;
        alt_fname= alt_path_buffer;
      }
    }

    logfile= logger_open(alt_fname, file_rotate_size, rotations);

    if (logfile == NULL)
    {
      error_header();
      fprintf(stderr, "Could not create file '%s'.\n",
              alt_fname);
      logging= 0;
      snprintf(last_error_buf, sizeof(last_error_buf),
                  "Could not create file '%s'.", alt_fname);
      is_active= 0;
      error_header();
      fprintf(stderr, "SERVER AUDIT plugin can't create file '%s'.\n", alt_fname);
      return 1;
    }
    error_header();
    fprintf(stderr, "logging started to the file %s.\n", alt_fname);
    strncpy(current_log_buf, alt_fname, sizeof(current_log_buf)-1);
    current_log_buf[sizeof(current_log_buf)-1]= 0;
  }
  else if (output_type == OUTPUT_SYSLOG)
  {
    openlog(syslog_ident, LOG_NOWAIT, syslog_facility_codes[syslog_facility]);
    error_header();
    fprintf(stderr, "logging started to the syslog.\n");
    strncpy(current_log_buf, "[SYSLOG]", sizeof(current_log_buf)-1);
    static_assert(sizeof current_log_buf > sizeof "[SYSLOG]", "Wrong log size");
  }
  is_active= 1;
  return 0;
}