+1
I was just using one of those last week and resorted to grep'ing through the code to find the who set those various tvb "length" values, to figure out which "length" was which. Making it sound more similar to wtap_pkthdr's len vs. caplen is better, which it sounds like your change would do.
-hadriel
On Feb 17, 2014, at 5:07 PM, Evan Huus <eapache@xxxxxxxxx> wrote:
> After yet another patch submission where this was unclear, I would
> like to propose the following change:
>
> tvb_length, tvb_length_remaining, etc. are changed to all operate on
> the reported length on the wire
>
> tvb_reported_* are dropped in favor of tvb_captured_* which operate on
> the available captured length (what is currently given by just
> tvb_length).
>
> The problem is that 95% of the time the intended behaviour is best
> achieved by the reported length, but 95% of the time people new to the
> API pick up on tvb_length and friends and assume that's what they
> want. I realize this is a subtly breaking behavioral change to the
> API, but I figure in the long run it will make a lot of things much
> simpler. It also gives a mental model which is IMHO slightly nicer:
> the TVB represents the entire packet with potentially-incomplete
> backing data, instead of representing the backing data of a
> potentially-bigger-on-the-inside packet.
>
> Thoughts?
>
> Evan
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