529 void syntax_error(const char* fmt, ...) {  in syntax_error()  function
1997     if (args->empty()) syntax_error("expected argument");  in next_arg()
2004     if (args->empty()) syntax_error("empty oem command");  in do_oem_command()
2377     if (argc == 0 && !fp->wants_wipe && !fp->wants_set_active) syntax_error("no command");  in Main()
2494             if (!args.empty()) syntax_error("junk after reboot command");  in Main()
2580                 syntax_error("missing 'flashing' command");  in Main()
2586                 syntax_error("unknown 'flashing' command %s", args[0].c_str());  in Main()
2602             if (args.empty()) syntax_error("invalid gsi command");  in Main()
2622                 syntax_error("expected: snapshot-update [cancel|merge]");  in Main()
2630             syntax_error("unknown command %s", command.c_str());  in Main()
2660         syntax_error("OS patch level should be YYYY-MM-DD: %s", arg);  in ParseOsPatchLevel()
2662     if (year < 2000 || year >= 2128) syntax_error("year out of range: %d", year);  in ParseOsPatchLevel()
2663     if (month < 1 || month > 12) syntax_error("month out of range: %d", month);  in ParseOsPatchLevel()
2675         syntax_error("bad OS version: %s", arg);  in ParseOsVersion()
2684     if (options.size() < 1) syntax_error("bad options: %s", arg);  in ParseFsOption()
2694             syntax_error("unsupported options: %s", options[i].c_str());  in ParseFsOption()