bpf_dump.c

[Denis Ovsienko via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: Denis Ovsienko <denis () ovsienko info>
>
> Date: Sun, 9 Feb 2025 13:22:18 +0000
>
> Hello all.
>
> tcpdump has been keeping a copy of bpf_dump.c from libpcap with the
> following description in INSTALL.md:
>
> "bpf_dump.c     - BPF program printing routines, in case libpcap
> doesn't have them. A known example is OpenBSD libpcap."
>
> Indeed, OpenBSD libpcap still does not have bpf_dump().  However, in
> the master branch tcpdump(1) says:
>
> "This version of tcpdump requires libpcap 1.0 or later."
>
> bpf_dump() has been in libpcap since version 0.6.1, so according to the
> above any supported version of libpcap has bpf_dump().
>
> This way, either bpf_dump.c should be removed from tcpdump to match the
> stated version requirement (which would exclude OpenBSD libpcap) or the
> version requirement should be worded differently.  Alternatively,
> someone could add bpf_dump() to OpenBSD libpcap, which would simplify
> OpenBSD tcpdump as well, because it includes a copy of bpf_dump.c too.
>
> -- 
>     Denis Ovsienko
>
> --- End Message ---
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