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monitor: Point to "help" command on syntax error 

When a command fails due to incorrect syntax or input, suggest using
the "help" command to get more information about the command.  This
is only applicable for HMP.

Signed-off-by: Bandan Das <bsd@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Bandan Das 2015-06-03 18:38:09 -04:00 committed by Markus Armbruster
parent ae50212ff7
commit dd41eea771
1 changed files with 2 additions and 0 deletions
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monitor.c
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@ -4069,6 +4069,8 @@ static void handle_hmp_command(Monitor *mon, const char *cmdline)
qdict = monitor_parse_arguments(mon, &cmdline, cmd); qdict = monitor_parse_arguments(mon, &cmdline, cmd);
if (!qdict) { if (!qdict) {
monitor_printf(mon, "Try \"help %s\" for more information\n",
cmd->name);
return; return;
} }