Re: [Wireshark-commits] rev 52650: /trunk/ /trunk/epan/dfilter/: sttype-function.c /trunk/: capture-pcap-util.c capture_ifinfo.c color_filters.c

[Anders Broman <anders.broman () ericsson com>]

-----Original Message-----
From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Guy Harris
Sent: den 18 oktober 2013 02:26
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] [Wireshark-commits] rev 52650: /trunk/ /trunk/epan/dfilter/: sttype-function.c /trunk/: 
capture-pcap-util.c capture_ifinfo.c color_filters.c


On Oct 17, 2013, at 5:16 PM, Gerald Combs <gerald () wireshark org> wrote:

> On 10/16/13 1:02 PM, etxrab () wireshark org wrote:
> > http://anonsvn.wireshark.org/viewvc/viewvc.cgi?view=rev&revision=5265
> > 0
> >
> > User: etxrab
> > Date: 2013/10/16 08:02 PM
> >
> > Log:
> > Prepend to lists rather than append as that's more efficient.
> >
> > Directory: /trunk/epan/dfilter/
> >  Changes    Path                 Action
> >  +2 -1      sttype-function.c    Modified
> >
> > Directory: /trunk/
> >  Changes    Path                   Action
> >  +2 -2      capture-pcap-util.c    Modified
> >  +7 -7      capture_ifinfo.c       Modified
> >  +3 -3      color_filters.c        Modified
>
> This is causing some weird behavior in places. For example the default 
> link-layer header type for Ethernet interfaces is now DOCSIS.
>
> And, given that the typical list of link-layer header types has one entry in it, and the typical entries have between 
> 2 (Ethernet and DOCSIS) and 3 or 4 (for >802.11 with various radio headers, in monitor mode) the performance 
> difference is probably negligible.
>
> I'd say that *all* lists presented to users should be presented in the same order as the data list used to generate 
> the list shown to the user - and if those >lists are long enough that the difference between prepending and appending 
> makes a performance difference, that might get lost in the time it takes to >show that huge list on the screen, 
> complete with a scrollbar to let the user see all the entries....

I'll revert the patches as soon as I can, if no one beats me to it.
Regards
Anders
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