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81a76be29e
2.213 28 August 2024
* version 2.213
Wed Aug 28 16:06:42 2024 +0100
020520f78490bf1a6b7351febd16fc19f351ddfe
* add perl5.40 to workflows
Sun Jun 16 16:56:37 2024 +0100
6d7dd85763f7cd0894a890208156187b8cac6597
* #57 Add stub moduile IO/Compress.pm
Sat May 25 08:53:57 2024 +0100
c6a05a69d62b8169d482d1b30a333b0cec4f5a06
78 lines
1.6 KiB
Perl
78 lines
1.6 KiB
Perl
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package IO::Compress::Zlib::Constants ;
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use strict ;
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use warnings;
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use bytes;
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require Exporter;
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our ($VERSION, @ISA, @EXPORT);
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$VERSION = '2.213';
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@ISA = qw(Exporter);
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@EXPORT= qw(
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ZLIB_HEADER_SIZE
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ZLIB_TRAILER_SIZE
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ZLIB_CMF_CM_OFFSET
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ZLIB_CMF_CM_BITS
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ZLIB_CMF_CM_DEFLATED
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ZLIB_CMF_CINFO_OFFSET
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ZLIB_CMF_CINFO_BITS
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ZLIB_CMF_CINFO_MAX
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ZLIB_FLG_FCHECK_OFFSET
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ZLIB_FLG_FCHECK_BITS
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ZLIB_FLG_FDICT_OFFSET
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ZLIB_FLG_FDICT_BITS
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ZLIB_FLG_LEVEL_OFFSET
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ZLIB_FLG_LEVEL_BITS
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ZLIB_FLG_LEVEL_FASTEST
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ZLIB_FLG_LEVEL_FAST
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ZLIB_FLG_LEVEL_DEFAULT
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ZLIB_FLG_LEVEL_SLOWEST
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ZLIB_FDICT_SIZE
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);
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# Constant names derived from RFC1950
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use constant ZLIB_HEADER_SIZE => 2;
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use constant ZLIB_TRAILER_SIZE => 4;
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use constant ZLIB_CMF_CM_OFFSET => 0;
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use constant ZLIB_CMF_CM_BITS => 0xF ; # 0b1111
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use constant ZLIB_CMF_CM_DEFLATED => 8;
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use constant ZLIB_CMF_CINFO_OFFSET => 4;
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use constant ZLIB_CMF_CINFO_BITS => 0xF ; # 0b1111;
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use constant ZLIB_CMF_CINFO_MAX => 7;
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use constant ZLIB_FLG_FCHECK_OFFSET => 0;
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use constant ZLIB_FLG_FCHECK_BITS => 0x1F ; # 0b11111;
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use constant ZLIB_FLG_FDICT_OFFSET => 5;
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use constant ZLIB_FLG_FDICT_BITS => 0x1 ; # 0b1;
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use constant ZLIB_FLG_LEVEL_OFFSET => 6;
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use constant ZLIB_FLG_LEVEL_BITS => 0x3 ; # 0b11;
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use constant ZLIB_FLG_LEVEL_FASTEST => 0;
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use constant ZLIB_FLG_LEVEL_FAST => 1;
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use constant ZLIB_FLG_LEVEL_DEFAULT => 2;
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use constant ZLIB_FLG_LEVEL_SLOWEST => 3;
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use constant ZLIB_FDICT_SIZE => 4;
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1;
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