610                     if (!ParseUint(optarg, &pid) || pid < 1) {  in Run()
612                               long_options[option_index].name, optarg);  in Run()
620                     if (optarg && (!ParseUint(optarg, &timeout) || timeout < 1)) {  in Run()
622                               long_options[option_index].name, optarg);  in Run()
640                     setId = (optarg && optarg[0]) ? optarg : nullptr;  in Run()
643                     auto uid_strings = Split(optarg, delimiters);  in Run()
677                 if (strspn(optarg, "0123456789") != strlen(optarg)) {  in Run()
678                     char* cp = parseTime(tail_time, optarg);  in Run()
680                         error(EXIT_FAILURE, 0, "-%c '%s' not in time format.", c, optarg);  in Run()
685                         fprintf(stderr, "WARNING: -%c '%s' '%c%s' time truncated\n", c, optarg, ch,  in Run()
690                     if (!ParseUint(optarg, &tail_lines) || tail_lines < 1) {  in Run()
691                         fprintf(stderr, "WARNING: -%c %s invalid, setting to 1\n", c, optarg);  in Run()
702                 regex_.reset(new std::regex(optarg));  in Run()
706                 if (!ParseUint(optarg, &max_count_) || max_count_ < 1) {  in Run()
708                           optarg);  in Run()
713                 if (!optarg) {  in Run()
720                 if (!ParseByteCount(optarg, &setLogSize) || setLogSize < 1) {  in Run()
726                 if (!optarg) {  in Run()
733                 setPruneList = optarg;  in Run()
737                 for (const auto& buffer : Split(optarg, delimiters)) {  in Run()
762                     tail_time = lastLogTime(optarg);  in Run()
765                 output_file_name_ = optarg;  in Run()
769                 if (!ParseUint(optarg, &log_rotate_size_kb_) || log_rotate_size_kb_ < 1) {  in Run()
770                     error(EXIT_FAILURE, 0, "Invalid parameter '%s' to -r.", optarg);  in Run()
775                 if (!ParseUint(optarg, &max_rotated_logs_) || max_rotated_logs_ < 1) {  in Run()
776                     error(EXIT_FAILURE, 0, "Invalid parameter '%s' to -n.", optarg);  in Run()
781                 if (!strcmp(optarg, "help") || !strcmp(optarg, "--help")) {  in Run()
785                 for (const auto& arg : Split(optarg, delimiters)) {  in Run()