/usr/share/perl5/IO/Compress/Zlib/Constants.pm is in libio-compress-perl 2.048-1.
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 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | package IO::Compress::Zlib::Constants ;
use strict ;
use warnings;
use bytes;
require Exporter;
our ($VERSION, @ISA, @EXPORT);
$VERSION = '2.048';
@ISA = qw(Exporter);
@EXPORT= qw(
ZLIB_HEADER_SIZE
ZLIB_TRAILER_SIZE
ZLIB_CMF_CM_OFFSET
ZLIB_CMF_CM_BITS
ZLIB_CMF_CM_DEFLATED
ZLIB_CMF_CINFO_OFFSET
ZLIB_CMF_CINFO_BITS
ZLIB_CMF_CINFO_MAX
ZLIB_FLG_FCHECK_OFFSET
ZLIB_FLG_FCHECK_BITS
ZLIB_FLG_FDICT_OFFSET
ZLIB_FLG_FDICT_BITS
ZLIB_FLG_LEVEL_OFFSET
ZLIB_FLG_LEVEL_BITS
ZLIB_FLG_LEVEL_FASTEST
ZLIB_FLG_LEVEL_FAST
ZLIB_FLG_LEVEL_DEFAULT
ZLIB_FLG_LEVEL_SLOWEST
ZLIB_FDICT_SIZE
);
# Constant names derived from RFC1950
use constant ZLIB_HEADER_SIZE => 2;
use constant ZLIB_TRAILER_SIZE => 4;
use constant ZLIB_CMF_CM_OFFSET => 0;
use constant ZLIB_CMF_CM_BITS => 0xF ; # 0b1111
use constant ZLIB_CMF_CM_DEFLATED => 8;
use constant ZLIB_CMF_CINFO_OFFSET => 4;
use constant ZLIB_CMF_CINFO_BITS => 0xF ; # 0b1111;
use constant ZLIB_CMF_CINFO_MAX => 7;
use constant ZLIB_FLG_FCHECK_OFFSET => 0;
use constant ZLIB_FLG_FCHECK_BITS => 0x1F ; # 0b11111;
use constant ZLIB_FLG_FDICT_OFFSET => 5;
use constant ZLIB_FLG_FDICT_BITS => 0x1 ; # 0b1;
use constant ZLIB_FLG_LEVEL_OFFSET => 6;
use constant ZLIB_FLG_LEVEL_BITS => 0x3 ; # 0b11;
use constant ZLIB_FLG_LEVEL_FASTEST => 0;
use constant ZLIB_FLG_LEVEL_FAST => 1;
use constant ZLIB_FLG_LEVEL_DEFAULT => 2;
use constant ZLIB_FLG_LEVEL_SLOWEST => 3;
use constant ZLIB_FDICT_SIZE => 4;
1;
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