Branch Coverage

blib/lib/Compression/Util.pm

Criterion	Covered	Total	%
branch	781	1012	77.1

line	true	false	branch
214	22156	146482	if (($$bitstring // "") eq "")
223	14390	75131	if (($$bitstring // "") eq "")
239	517	488	if (length $data > $bits_len)
255	0	1	if (length $data > $bits_len)
280	8	758	if (ref $fh eq "")
281	0	8	unless open my $fh2, "<:raw", \$fh
292	8	337	if (ref $fh eq "")
293	0	8	unless open my $fh2, "<:raw", \$fh
304	29	247	if ($size % 8 == 0 and ($$buffer // "") eq "")
310	458	3169	($$buffer // '') eq '' ? :
317	154	5433	if ($size % 8 == 0 and ($$buffer // "") eq "")
323	3556	25251	($$buffer // '') eq '' ? :
340	8	58	if $c eq "\0"
394	6027	12540	if ($f3 <= $rn) { }
410	13	426	if (ref $fh eq "")
411	0	13	unless open my $fh2, "<:raw", \$fh
426	2436	18567	if ($bit eq '1' and $prev_bit eq '1') { }
429	6027	12540	if $bit
433	426	2010	if ++$k == 1
461	23	179	if ($count > 0)
475	0	31	if $VERBOSE
476	0	31	if $VERBOSE
477	0	31	if $VERBOSE
497	13	31	if (ref $fh eq "")
498	0	13	unless open my $fh2, "<:raw", \$fh
551	0	79	if (ref $symbols eq "")
562	0	79	if ($T > 4294967295)
577	0	4984	if ($high > 4294967295)
581	0	4984	if ($low >= $high)
585	11544	7899	if ($high >> 31 == $low >> 31) { }
	2915	4984	elsif (($low >> 30 & 1) == 1 and ($high >> 30 & 1) == 0) { }
590	1439	10105	if ($uf_count > 0)
625	13	79	if (ref $fh eq "")
626	0	13	unless open my $fh2, "<:raw", \$fh
652	79	4905	if $i == $EOF_SYMBOL
659	0	4905	if ($high > 4294967295)
663	0	4905	if ($low >= $high)
667	11305	7748	if ($high >> 31 == $low >> 31) { }
	2843	4905	elsif (($low >> 30 & 1) == 1 and ($high >> 30 & 1) == 0) { }
726	0	167	if (ref $symbols eq "")
732	143	24	scalar @alphabet ? :
741	0	167	if ($T > 4294967295)
759	0	4992	if ($high > 4294967295)
763	0	4992	if ($low >= $high)
767	10741	7841	if ($high >> 31 == $low >> 31) { }
	2849	4992	elsif (($low >> 30 & 1) == 1 and ($high >> 30 & 1) == 0) { }
772	1388	9353	if ($uf_count > 0)
807	13	167	if (ref $fh eq "")
808	0	13	unless open my $fh2, "<:raw", \$fh
827	4992	40334	if ($cf->[$j] <= $ss and $ss < $$cf[$j + 1])
833	167	4825	if $i == $alphabet_size
841	0	4825	if ($high > 4294967295)
845	0	4825	if ($low >= $high)
849	10325	7567	if ($high >> 31 == $low >> 31) { }
	2742	4825	elsif (($low >> 30 & 1) == 1 and ($high >> 30 & 1) == 0) { }
879	137	3979	unless @$arr
888	39	450591	defined $max_run ? :
	450628	36780	if ($curr_value == $prev_value and defined $max_run ? $result[-1][1] < $max_run : 1) { }
913	13	10	if ($v == 1) { }
939	10	13	if ($bl > 0)
943	12	11	$bit eq '1' ? :
962	0	765988	unless ($Compression::Util::a->[0] cmp $Compression::Util::b->[0])
965	4596	0	if $cmp = substr($double_s, $Compression::Util::a->[1], $s_len) cmp substr($double_s, $Compression::Util::b->[1], $s_len)
976	61893	1344	$end <= $len ? :
988	0	31	if (ref $s ne "")
1000	30	63207	unless $pos
1044	42	27	if ($cyclic[$i] != $cyclic[$i - 1])
1050	13	42	if $rle
1057	29	18445	if ++$i >= $len
1058	55	18419	if ++$j >= $len
1068	0	55	if (ref $symbols eq "")
1077	51	1133	unless $i
1115	12	2200	if (ref $symbols eq "")
1120	82	2130	if $end < 0
1128	19556	98731	if ($symbols->[$i] == $prev) { }
1138	3268	115019	if ($run >= 4)
1151	3182	86	if ($i <= $end)
1163	0	240	if (ref $symbols eq "")
1168	14	226	if $end < 0
1176	13384	85270	if ($symbols->[$i] == $prev) { }
1186	1963	96691	if ($run >= 4)
1187	1963	0	if (++$i <= $end)
1219	876	38502	if ($c < 0 and not $has_negative)
1223	7317	32061	if ($c == 0) { }
1249	32835	6543	if ($v == 1) { }
1277	0	3992	if $VERBOSE
1300	244	754	if ($method eq 'with_rle') { }
	393	361	elsif ($method eq 'without_rle') { }
	67	294	elsif ($method eq 'double_with_rle') { }
	294	0	elsif ($method eq 'double_without_rle') { }
1324	2113	7809	if ($d == 0) { }
	2614	5195	elsif ($double) { }
1330	396	724	$d < 0 ? :
	1120	1494	$has_negative ? :
1333	2245	2950	$has_negative ? :
1334	908	1337	$d < 0 ? :
	2245	2950	$has_negative ? :
1339	6431	3491	unless ($with_rle)
1340	604	5827	if ($v > 1)
1346	2357	1134	if ($v == 1) { }
1360	13	977	if (ref $fh eq "")
1361	0	13	unless open my $fh2, "<:raw", \$fh
1379	3115	7651	if ($bit eq '0') { }
	2611	5040	elsif ($double) { }
1383	1146	1465	$has_negative ? :
1385	1146	1465	$has_negative ? :
1391	749	397	$bit eq '1' ? :
	1146	1465	$has_negative ? :
1394	2356	2684	$has_negative ? :
1395	2356	2684	$has_negative ? :
1398	1410	946	$bit eq '1' ? :
	2356	2684	$has_negative ? :
1401	3142	7624	if ($with_rle)
1408	1050	2092	if ($bl > 0)
1415	977	9789	if ($k == 0)
1421	12	965	if $with_rle4
1422	459	518	if $with_deltas
1442	1525	46603	if (exists $table{$i + $j})
1449	419	2589	if ($enc > 0)
1457	0	188	if $VERBOSE
1458	0	188	if $VERBOSE
1459	0	188	if $VERBOSE
1469	0	21	if (ref $fh eq "")
1470	0	0	unless open my $fh2, "<:raw", \$fh
1478	95	241	if ($l1 & 32768 >> $i)
1481	671	849	if ($l2 & 32768 >> $j)
1495	176	14	if ($max_symbol <= 255)
1500	155	21	if (length $delta < length $enc)
1512	0	190	if (ref $fh eq "")
1513	0	0	unless open my $fh2, "<:raw", \$fh
1517	21	169	if (ord(getc $fh // confess("error")) == 1)
1530	12	218	if (ref $symbols eq "")
1534	0	230	if (defined $alphabet and ref $alphabet eq "")
1544	1	229	if (defined $alphabet) { }
1559	113268	678391	if ($alphabet[$i] == $c)
1569	1	229	unless $return_alphabet
1575	0	279	if (ref $encoded eq "")
1579	0	279	if (ref $alphabet eq "")
1600	0	215	if (ref $symbols eq "")
1615	8752	35573	if ($run >= 1)
1620	44221	104	if ($i <= $end)
1630	0	227	if (ref $rle eq "")
1640	8795	35713	if ($k == 0 or $k == 1)
1649	44401	107	if ($i <= $end)
1663	12	104	if (ref $symbols eq "")
1678	109	116	if (ref $fh eq "")
1679	0	109	unless open my $fh2, "<:raw", \$fh
1685	0	116	if $VERBOSE
1705	0	19	if (ref $chunk ne "")
1712	0	19	if $VERBOSE
1722	18	19	if (ref $fh eq "")
1723	0	18	unless open my $fh2, "<:raw", \$fh
1730	0	19	if $VERBOSE
1731	0	19	if $VERBOSE
1748	1	54	if (ref $symbols eq "")
1758	0	55	if $VERBOSE
1759	0	55	if $VERBOSE
1766	49	55	if (ref $fh eq "")
1767	0	49	unless open my $fh2, "<:raw", \$fh
1774	0	55	if $VERBOSE
1775	0	55	if $VERBOSE
1792	0	66	if (ref $symbols eq "")
1811	1	66	if (ref $fh eq "")
1812	0	1	unless open my $fh2, "<:raw", \$fh
1821	753	41406	if ($freqs[$i])
1826	0	66	if $VERBOSE
1829	66	0	if ($bits_len > 0)
1843	0	154	if (ref $symbols eq "")
1853	1	154	if (ref $fh eq "")
1854	0	1	unless open my $fh2, "<:raw", \$fh
1861	154	0	if ($enc_len > 0)
1897	77240	304653	if (exists $node->{'sym'})
1909	5243	5668	if (ref $c) { }
1917	568	1216	if (ref $code_lengths_table eq "ARRAY")
1918	7167	175258	$code_lengths_table->[$_] > 0 ? :
1934	12835	0	if (defined $length and $length > 0)
1956	12835	0	if (defined $length and $length != 0)
1969	742	474	wantarray ? :
1977	9227	5614	if $heap->[$p][1] <= $heap->[$i][1]
1984	425	9771	if @$heap == 1
1993	24854	12390	if $l < $n and $heap->[$l][1] < $heap->[$s][1]
1994	12281	24963	if $r < $n and $heap->[$r][1] < $heap->[$s][1]
1995	9771	27473	if $s == $i
2018	145	503	if (@heap == 1 and not ref $heap[0][0])
2035	0	594	if (ref $symbols eq "")
2048	0	474	if (ref $symbols eq "")
2056	0	474	if $VERBOSE
2060	4006	172497	if (exists $dict->{$i}) { }
2073	1	474	if (ref $fh eq "")
2074	0	1	unless open my $fh2, "<:raw", \$fh
2082	0	474	if $VERBOSE
2084	402	72	if ($enc_len > 0)
2137	21702	352957	if ($table->[$i][0] > $value)
2158	8710	3972	if ($lengths->[$k] == 0)
2172	1497	2475	if ($bits > 0)
2183	3753	219	if ($bits > 0)
2194	0	97	if (ref $fh eq "")
2195	0	0	unless open my $fh2, "<:raw", \$fh
2212	3972	8710	if ($i >= $max_symbol)
2226	3972	8710	if ($i >= $max_symbol) { }
2259	13	15	if (ref $fh eq "")
2260	0	13	unless open my $fh2, "<:raw", \$fh
2275	15	1307	if ($k == 0)
2291	4	1337	if ($k == 0) { }
2307	13	15	if (ref $fh eq "")
2308	0	13	unless open my $fh2, "<:raw", \$fh
2321	1337	4	if ($bl > 0) { }
2332	15	1326	if ($k == 0)
2346	0	153	if (ref $symbols eq "")
2363	279	3752	$upto > $end ? :
2365	430	3601	if (exists $table{$lookahead})
2369	0	1030	if $la - $p > $max_dist
2375	509	521	if ($n > $best_n)
2378	0	509	if $n > $max_len
2383	3601	430	if ($best_n == 1) { }
2394	7870	2718	if @{$table{$key};} > $max_chain_len
2401	420	3611	if ($best_n > $min_len) { }
	3601	10	elsif ($best_n == 1) { }
2434	2826	389	if ($lengths->[$i] == 0)
2443	271	118	if ($dist >= $length) { }
	34	84	elsif ($dist == 1) { }
2467	140	129	if (ref $str ne "")
2488	8093	17699	if (exists $table{$lookahead})
2491	0	90156	if $la - $p > $max_dist
2497	13150	77006	if ($n > $best_n)
2500	10	13140	if $best_n > $max_len
2505	17699	8093	if ($best_n == 1) { }
2515	64258	89392	if @{$table{$key};} > $max_chain_len
2519	17699	8093	if ($best_n == 1)
2523	8085	17707	if ($best_n > $min_len) { }
	17699	8	elsif ($best_n == 1) { }
2556	7344	3797	if ($lengths->[$i] == 0)
2565	3620	177	if ($dist >= $length) { }
	37	140	elsif ($dist == 1) { }
2589	0	19	if (ref $symbols eq "")
2608	41	2724	$upto > $end ? :
2610	374	2391	if (exists $table{$lookahead} and $la - $table{$lookahead} <= $max_dist)
2623	373	2392	if ($best_n > $min_len) { }
	2391	1	elsif ($best_n == 1) { }
2651	19	85	if (ref $str ne "")
2673	10518	15127	if (exists $table{$lookahead} and $la - $table{$lookahead} <= $max_dist)
2686	10512	15133	if ($best_n > $min_len) { }
	15127	6	elsif ($best_n == 1) { }
2735	470	3975	$literals_length >= 7 ? :
	637	3808	$match_len >= 31 ? :
2741	0	470	$literals_length >= 255 ? :
2745	1715	2730	if ($i > $j)
2750	21	637	$match_len >= 255 ? :
2779	324	3575	if ($literals_length == 7)
2783	324	0	if $byte_len != 255
2787	1314	2585	if ($literals_length > 0)
2792	608	3291	if ($match_len == 31)
2796	608	12	if $byte_len != 255
2802	3728	171	if ($dist >= $match_len) { }
	33	138	elsif ($dist == 1) { }
2837	146	400	if ($literals_length == 7)
2841	146	0	if $byte_len != 255
2845	401	145	if ($literals_length > 0)
2850	29	517	if ($match_len == 31)
2854	29	9	if $byte_len != 255
2860	434	112	if ($dist >= $match_len) { }
	33	79	elsif ($dist == 1) { }
2887	23	23	if (ref $fh eq "")
2888	0	23	unless open my $fh2, "<:raw", \$fh
2902	64	70	if (ref $fh eq "")
2903	0	64	unless open my $fh2, "<:raw", \$fh
2928	34	34	if (ref $fh eq "")
2929	0	34	unless open my $fh2, "<:raw", \$fh
2939	63	63	if (ref $fh eq "")
2940	0	63	unless open my $fh2, "<:raw", \$fh
2973	235	3366	$literals_length >= 7 ? :
	601	3000	$match_len >= 31 ? :
2979	0	235	$literals_length >= 255 ? :
2983	1109	2492	if ($i > $j)
2988	10	601	$match_len >= 255 ? :
3000	28	28	if (ref $fh eq "")
3001	0	28	unless open my $fh2, "<:raw", \$fh
3020	235	3366	if ($literals_length == 7)
3024	235	0	if $byte_len != 255
3028	1109	2492	if ($literals_length > 0)
3032	601	3000	if ($match_len == 31)
3036	601	10	if $byte_len != 255
3042	3467	134	if ($offset >= $match_len) { }
	20	114	elsif ($offset == 1) { }
3055	0	3601	if length $search_window > 2 * $search_window_size
3080	9692	558	if ($bits > 0)
3090	52	254	if (ref $fh eq "")
3091	0	52	unless open my $fh2, "<:raw", \$fh
3134	28074	8918	if (exists $dictionary{$wc}) { }
3147	24	1	if ($w ne "")
3156	1	24	unless @$compressed
3168	232	0	$k == $dict_size ? :
	8686	232	$k < $dict_size ? :
3190	25	25	if (ref $fh eq "")
3191	0	25	unless open my $fh2, "<:raw", \$fh
3207	4096	4096	if ($k & 1) { }
3253	247	0	if (exists $dict->{$symbol}) { }
3264	0	12	if $VERBOSE
3265	0	12	if $VERBOSE
3270	81	154	$d > 0 ? :
3273	0	12	if $VERBOSE
3280	13	13	if (ref $fh eq "")
3281	0	13	unless open my $fh2, "<:raw", \$fh
3304	0	12	if $VERBOSE
3307	0	12	if $VERBOSE
3320	0	12	if $VERBOSE
3327	0	12	if $VERBOSE
3332	0	12	if $VERBOSE
3357	23	23	if (ref $fh eq "")
3358	0	23	unless open my $fh2, "<:raw", \$fh
3369	0	26	unless bytes2int($fh, 2) == 16986 and getc $fh eq "h"
3374	0	26	unless ($level =~ /^[1-9]\z/u)
3378	0	26	if $VERBOSE
3386	24	26	if ($block_magic eq '1AY&SY') { }
	26	0	elsif ($block_magic eq "\cWrE8P\220") { }
3387	0	24	if $VERBOSE
3390	0	24	if $VERBOSE
3395	0	24	unless $randomized == 0
3398	0	24	if $VERBOSE
3403	78	306	if ($l1 & 32768 >> $i)
3406	300	948	if ($l2 & 32768 >> $j)
3413	0	24	if $VERBOSE
3416	0	24	if $VERBOSE
3419	0	24	if $VERBOSE
3426	0	2	unless $i < $num_trees
3432	0	24	if $VERBOSE
3443	0	1125	unless $clen > 0 and $clen <= $MaxHuffmanBits
3445	696	429	unless (read_bit($fh, \$buffer))
3449	181	248	read_bit($fh, \$buffer) ? :
3455	0	48	if $VERBOSE
3464	0	48	unless $sum == 0
3481	0	42311	if (length $code > $MaxHuffmanBits)
3485	11076	31235	if (exists $tree->{$code})
3489	24	11052	if ($sym == $eob)
3490	0	24	if $VERBOSE
3497	215	10837	if (--$decoded <= 0)
3498	215	0	if (++$sel_idx <= $sels->$#*) { }
3518	0	24	if $VERBOSE
3520	0	24	if ($crc32 != $new_crc32)
3527	0	26	if $VERBOSE
3529	0	26	if $VERBOSE
3531	0	26	if ($stored_stream_crc32 != $stream_crc32)
3543	0	26	if $VERBOSE
3558	1057	13703	if (exists $dict->{$symbol}) { }
3577	171	80	if ($run >= 11)
3584	82	169	if ($run >= 3 and $run < 11)
3592	396	834	if ($v == 0)
3593	162	234	if $run > 0
3607	139	695	if $run > 0
3618	16	1480	if ($cl_symbol == 16) { }
	82	1398	elsif ($cl_symbol == 17) { }
	171	1227	elsif ($cl_symbol == 18) { }
3641	54	0	if &all(sub { length $_ <= 7; } , values %$cl_dict)
3643	0	0	if (scalar @keys == 0)
3649	0	0	if ($freq->{$k} > 1) { }
3661	0	54	if $LZ_MIN_LEN < 4
3678	6527	3740	if ($lengths->[$k] == 0)
3691	1494	2246	if $bits > 0
3699	3573	167	if $bits > 0
3705	3740	6581	if (ref $_ eq 'ARRAY') { }
3715	358	668	if (exists $cl_dict->{$symbol}) { }
3753	3740	6581	if (ref $symbol eq 'ARRAY') { }
3757	1494	2246	if $len_offset > 0
3761	3573	167	if $dist_offset > 0
3773	0	54	if $LZ_MIN_LEN < 4
3783	4	50	unless (defined $dict)
3807	6527	3740	if ($lengths->[$k] == 0)
3820	1494	2246	if $bits > 0
3828	3573	167	if $bits > 0
3848	28	28	if (ref $in_fh eq "")
3849	0	28	unless open my $fh2, "<:raw", \$in_fh
3857	0	28	if $LZ_MIN_LEN < 4
3875	2	26	if (eof $in_fh)
3885	26	2	eof $in_fh ? :
3892	0	28	if (length($bt1_bitstring) >> 3 > length($chunk) + 5)
3894	0	0	if $VERBOSE
3909	22	6	if (length $bt2_bitstring > length $bt1_bitstring) { }
3910	0	22	if $VERBOSE
3914	0	6	if $VERBOSE
3921	26	2	if ($bitstring ne "")
3937	0	4	if $LZ_MIN_LEN < 4
3947	0	4	if ($expected_nlen != $nlen) { }
3951	0	4	if $VERBOSE
3957	0	4	if length $$search_window > 2 * $LZ_MAX_DIST
3977	0	64701	if (length $code > $max_ll_code_len)
3981	10617	54084	if (exists $rev_dict->{$code})
3985	6769	3848	if ($symbol <= 255) { }
	83	3765	elsif ($symbol == 256) { }
3995	1494	2271	if $LL_bits > 0
4002	0	16809	if (length $dist_code > $max_dist_code_len)
4006	3765	13044	if (exists $dist_rev_dict->{$dist_code})
4012	3596	169	if $dist_bits > 0
4014	35	3730	if ($dist == 1) { }
	3585	145	elsif ($dist >= $length) { }
4033	0	83	if ($code ne "")
4037	0	83	if length $$search_window > 2 * $LZ_MAX_DIST
4045	0	71	if $LZ_MIN_LEN < 4
4052	1	70	unless (defined $rev_dict)
4083	0	4374	if (length $code > 7)
4087	1424	2950	if (exists $CL_rev_dict->{$code})
4090	1343	81	if ($CL_symbol <= 15) { }
	16	65	elsif ($CL_symbol == 16) { }
	42	23	elsif ($CL_symbol == 17) { }
	23	0	elsif ($CL_symbol == 18) { }
4107	24	1400	if scalar @lengths >= $size
4111	0	24	if (scalar @lengths != $size)
4115	0	24	if ($code ne "")
4124	0	12	if $LZ_MIN_LEN < 4
4137	0	12	if $VERBOSE
4138	0	12	if $VERBOSE
4139	0	12	if $VERBOSE
4148	0	12	if $VERBOSE
4163	0	84	if $LZ_MIN_LEN < 4
4171	3	81	if ($block_type == 0) { }
	70	11	elsif ($block_type == 1) { }
	11	0	elsif ($block_type == 2) { }
4172	0	3	if $VERBOSE
4176	0	70	if $VERBOSE
4180	0	11	if $VERBOSE
4192	46	49	if (ref $in_fh eq "")
4193	0	46	unless open my $fh2, "<:raw", \$in_fh
4201	0	49	if $LZ_MIN_LEN < 4
4207	0	49	if ($MAGIC ne "\37\213")
4217	0	49	if ($CM ne "\b")
4229	3	46	if ($FLAGS & 8)
4233	2	47	if ($FLAGS & 16)
4237	0	49	if ($FLAGS & 2)
4241	0	49	if ($FLAGS & 4)
4245	0	49	if ($has_extra_fields)
4248	0	0	if $VERBOSE
4251	3	46	if ($has_filename)
4253	0	3	if $VERBOSE
4256	2	47	if ($has_comment)
4258	0	2	if $VERBOSE
4262	0	49	if ($has_header_checksum)
4264	0	0	if $VERBOSE
4281	49	2	if $is_last
4289	0	49	if ($stored_crc32 != $actual_crc32) { }
4293	0	49	if $VERBOSE
4298	0	49	if ($stored_length != $actual_length) { }
4302	0	49	if $VERBOSE
4305	46	3	if (eof $in_fh) { }
4306	0	46	if $VERBOSE
4309	0	3	if $VERBOSE
4322	26	26	if (ref $in_fh eq "")
4323	0	26	unless open my $fh2, "<:raw", \$in_fh
4331	0	26	if $LZ_MIN_LEN < 4
4348	2	24	if (eof $in_fh)
4357	24	0	eof $in_fh ? :
4364	0	24	if (length($bt1_bitstring) >> 3 > length($chunk) + 5)
4366	0	0	if $VERBOSE
4381	23	1	if (length $bt2_bitstring > length $bt1_bitstring) { }
4382	0	23	if $VERBOSE
4386	0	1	if $VERBOSE
4393	24	2	if ($bitstring ne "")
4408	29	30	if (ref $in_fh eq "")
4409	0	29	unless open my $fh2, "<:raw", \$in_fh
4417	0	30	if $LZ_MIN_LEN < 4
4426	0	30	if (($CMF * 256 + $FLG) % 31 != 0)
4432	0	30	if ($CINFO > 7)
4438	0	30	if ($method != 8)
4453	30	0	if $is_last
4458	0	30	if ($adler32 != $stored_adler32)
4462	29	1	if (eof $in_fh) { }
4463	0	29	if $VERBOSE
4466	0	1	if $VERBOSE
4479	28	28	if (ref $fh eq "")
4480	0	28	unless open my $fh2, "<:raw", \$fh
4500	0	26	if $LZ_MIN_LEN < 4
4525	3568	26	$lengths->[$i] ? :
4527	72	3522	$literals_length >= 15 ? :
	983	2611	$match_len >= 15 ? :
4533	0	72	$literals_length >= 255 ? :
4543	12	983	$match_len >= 255 ? :
4548	26	0	if ($block ne "")
4564	47	47	if (ref $fh eq "")
4565	0	47	unless open my $fh2, "<:raw", \$fh
4573	0	51	unless bytes2int_lsb($fh, 4) == 407708164
4587	0	51	if $VERBOSE
4589	0	51	if ($version != 64)
4593	0	51	if ($C_size)
4595	0	0	if $VERBOSE
4598	0	51	if ($DictID)
4600	0	0	if $VERBOSE
4606	0	51	if $VERBOSE
4614	51	47	if ($block_size == 0)
4615	0	51	if $VERBOSE
4619	0	47	if $VERBOSE
4621	3	44	if ($block_size >> 31) { }
4622	0	3	if $VERBOSE
4624	0	3	if $VERBOSE
4643	72	3564	if ($literals_length == 15)
4647	72	0	if $byte_len != 255
4655	1140	2496	if ($literals_length > 0)
4659	44	3592	if ($compressed eq "")
4666	0	3592	if ($offset == 0)
4672	983	2609	if ($match_len == 15)
4676	983	12	if $byte_len != 255
4685	3447	145	if ($offset >= $match_len) { }
	25	120	elsif ($offset == 1) { }
4699	5	42	if ($B_checksum)
4701	0	5	if $VERBOSE
4704	47	0	if ($B_indep) { }
	0	0	elsif (length $decoded > 65536.0) { }
4714	12	39	if ($C_checksum)
4716	0	12	if $VERBOSE