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[dh-make-perl] / dev / i386 / libio-compress-zlib-perl / libio-compress-zlib-perl-2.012 / lib / IO / Compress / Zlib / Constants.pm

diff --git a/dev/i386/libio-compress-zlib-perl/libio-compress-zlib-perl-2.012/lib/IO/Compress/Zlib/Constants.pm b/dev/i386/libio-compress-zlib-perl/libio-compress-zlib-perl-2.012/lib/IO/Compress/Zlib/Constants.pm
new file mode 100644 (file)
index 0000000..5dbabcb
--- /dev/null
+++ b/dev/i386/libio-compress-zlib-perl/libio-compress-zlib-perl-2.012/lib/IO/Compress/Zlib/Constants.pm
@@ -0,0 +1,77 @@
+
+package IO::Compress::Zlib::Constants ;
+
+use strict ;
+use warnings;
+use bytes;
+
+require Exporter;
+
+our ($VERSION, @ISA, @EXPORT);
+
+$VERSION = '2.012';
+
+@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;