How not to design a wire protocol

[Gary E. Miller]

Yo Richard!

On Thu, 7 Mar 2019 13:50:20 -0600
Richard Laager via devel <devel at ntpsec.org> wrote:

> On 3/7/19 1:22 PM, Gary E. Miller via devel wrote:
> > Yo Richard!
> > 
> > On Thu, 7 Mar 2019 11:06:58 -0600
> > Richard Laager via devel <devel at ntpsec.org> wrote:
> >   
> >> On 3/7/19 12:56 AM, Eric S. Raymond via devel wrote:  
> >>> JSON is C is normally *very* awkward, vastly worse than Go,
> >>> because full JSON parse needs to do fancy dancing with dynamic
> >>> memory to handle heterogenous arrays. The good news is that I ran
> >>> into this problem back in 2009 on GPSD, solved it then and spun
> >>> it out as a little library, microjson.    
> >>
> >> ntpsec is already using (and embedding) libjsmn, right?  
> > 
> > Sadly so.  I'd like to see it converted to microjson.  
> Is microjson something I can dynamically link against, or is it embed
> only?

I'm not sure what you 'can' do.  But the default is to embed microjson
in gpsd and libjsmn in ntpd.

> There's an outstanding item on my TODO list to investigate packaging
> libjsmn separately for Debian and modifying ntpsec to dynamically link
> against it. The Debian security team, in general, frowns on embedded
> libraries, as it is a mess if there is a security bug in a library
> which is commonly embedded.

I'm all for not embedding, but I'd prefer microjson over libjsmn.

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

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