/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/NetAddr/IP/UtilPP/ipv6to4.al is in libnetaddr-ip-perl 4.078+dfsg-1build1.
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 | # NOTE: Derived from ../../blib/lib/NetAddr/IP/UtilPP.pm.
# Changes made here will be lost when autosplit is run again.
# See AutoSplit.pm.
package NetAddr::IP::UtilPP;
#line 438 "../../blib/lib/NetAddr/IP/UtilPP.pm (autosplit into ../../blib/lib/auto/NetAddr/IP/UtilPP/ipv6to4.al)"
sub ipv6to4 {
my $naddr = shift;
_deadlen(length($naddr))
if length($naddr) != 16;
@_ = unpack('L3H8',$naddr);
return pack('H8',@{_}[3..10]);
}
# end of NetAddr::IP::UtilPP::ipv6to4
1;
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