/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/_compV6.al is in libnetaddr-ip-perl 4.075+dfsg-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | # NOTE: Derived from blib/lib/NetAddr/IP.pm.
# Changes made here will be lost when autosplit is run again.
# See AutoSplit.pm.
package NetAddr::IP;
#line 819 "blib/lib/NetAddr/IP.pm (autosplit into blib/lib/auto/NetAddr/IP/_compV6.al)"
#sub _old_compV6 {
# my @addr = split(':',shift);
# my $found = 0;
# my $v;
# foreach(0..$#addr) {
# ($v = $addr[$_]) =~ s/^0+//;
# $addr[$_] = $v || 0;
# }
# @_ = reverse(1..$#addr);
# foreach(@_) {
# if ($addr[$_] || $addr[$_ -1]) {
# last if $found;
# next;
# }
# $addr[$_] = $addr[$_ -1] = '';
# $found = '1';
# }
# (my $rv = join(':',@addr)) =~ s/:+:/::/;
# return $rv;
#}
# thanks to Rob Riepel <riepel@networking.Stanford.EDU>
# for this faster and more compact solution 11-17-08
sub _compV6 ($) {
my $ip = shift;
return $ip unless my @candidates = $ip =~ /((?:^|:)0(?::0)+(?::|$))/g;
my $longest = (sort { length($b) <=> length($a) } @candidates)[0];
$ip =~ s/$longest/::/;
return $ip;
}
# end of NetAddr::IP::_compV6
1;
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