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Legacy iptables uses '-c PCNT BCNT' format in listed rules, nft-variant
used '[PCNT BCNT]' prefix like with iptables-save.
In order to pass the counter format preference along, FMT_C_COUNTS is
introduced and related 'format' checks adjusted.
Since legacy iptables prints the counters between matches and target,
this change affects save_matches_and_target() function. In order to get
access to the rule counters, it's declaration is adjusted to receive
iptables_command_state pointer instead of match, target and jumpto
pointers from the same object.
While being at it, integrate jump to user-defined chain into it as well
since the related code in both callers was almost identical. Though
since different rule flags are used between iptables and ip6tables, pass
a 'goto_flag' boolean instead of the actual 'flags' bitfield.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
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