Wireshark-dev: Re: [Wireshark-dev] Display more digits for NTP packet's root dispersion
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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Mon, 6 Aug 2018 21:23:52 -0700
On Aug 6, 2018, at 2:19 PM, Guy Harris <guy@xxxxxxxxxxxx> wrote:

> On Aug 6, 2018, at 4:20 AM, Martin Burnicki <martin.burnicki@xxxxxxxxxxx> wrote:
> 
>> As far as I have seen, proto_tree_add_double() seems to add a double
>> value to the output tree,
> 
> *All* doubles use the same format string.  The part of the format string for the number is
> 
> 	"%." G_STRINGIFY(DBL_DIG) "g"
> 
> DBL_DIG is 15 with macOS/Xcode, so that should be %.15g, which should show more than 4 digits.

At least on macOS, a root delay the octets of which are 0x00 0x00 0x00 0x01 displays, in the dissected NTP packet, as

	Root Delay: 1.52587890625e-05 seconds

Does it not do that on your machine?