message: ffs 2020-10-05 (49254386)
  Code extracted from:
  at commit (master).
  Upstream Shortlog
diff: @@ -368,7 +368,7 @@ dump_subfields(void *base, FMFormat f, dstate s, int data_offset)
  &f->var_list[i].type_desc);
  stop_field(s, fmfield, &f->var_list[i].type_desc);
  if (ret != 1) return 0;
  - if ((s->output_limit != -1) && (s->output_len > s->output_limit)) return 0;
  + if ((s->output_limit != -1) && (s->output_len >= s->output_limit)) return 0;
  }
  return 1;
  }
  