src/hotspot/share/services/diagnosticCommand.cpp

rev 49501 : 8200384: jcmd help output should be sorted
Reviewed-by:

*** 135,147 ****
--- 135,153 ----
          "STRING", false) {
    _dcmdparser.add_dcmd_option(&_all);
    _dcmdparser.add_dcmd_argument(&_cmd);
  };
  
+ 
+ static int compare_strings(const char** s1, const char** s2) {
+   return ::strcmp(*s1, *s2);
+ }
+ 
  void HelpDCmd::execute(DCmdSource source, TRAPS) {
    if (_all.value()) {
      GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
+     cmd_list->sort(compare_strings);
      for (int i = 0; i < cmd_list->length(); i++) {
        DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
                                                    strlen(cmd_list->at(i)));
        output()->print_cr("%s%s", factory->name(),
                           factory->is_enabled() ? "" : " [disabled]");
*** 178,187 ****
--- 184,194 ----
        output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
      }
    } else {
      output()->print_cr("The following commands are available:");
      GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
+     cmd_list->sort(compare_strings);
      for (int i = 0; i < cmd_list->length(); i++) {
        DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
                                                    strlen(cmd_list->at(i)));
        output()->print_cr("%s%s", factory->name(),
                           factory->is_enabled() ? "" : " [disabled]");