[ntp:questions] Any chance of getting bugs 2164 and 1577 moving?

David J Taylor david-taylor at blueyonder.co.uk.invalid
Tue Mar 20 15:35:13 UTC 2012


> It seems that the types of different variables are stored in a
> table, and "offset" has type FL. Latter on, there is a block of
> code like this:
>
>                                            case FL:
>                                                output(fp, name,
>                                                       lfptoms(&lfp, 3));
>                                                break;
>                                            case FU:
>                                                output(fp, name,
>                                                       ulfptoms(&lfp, 
> 3));
>                                                break;
>                                            case FS:
>                                                output(fp, name,
>                                                       lfptoms(&lfp, 3));
>                                                break;
>
> Here, the lfptoms()/ulfptoms() functions convert NTP's internal
> fixed point format into a string. I think that the 3 is the number
> of significant figures. You can change these, but it seems that
> the control messages are such that they only have 3 significant
> figures included in them.
>
> David.

Thanks, David.  Those don't seem to be in ntpq.c (at least 4.2.7p134), so 
no wonder I couldn't find them.  But if the control messages are limited 
to microseconds, this problem is deeper than I first thought.  I suppose 
that's saving on bandwidth by a few bytes?

Cheers,
David T 



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