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package IO::Uncompress::Adapter::Bunzip2; use strict; use warnings; use bytes; use IO::Compress::Base::Common 2.061 qw(:Status); use Compress::Raw::Bzip2 2.061 ; our ($VERSION, @ISA); $VERSION = '2.061'; sub mkUncompObject { my $small = shift || 0; my $verbosity = shift || 0; my ($inflate, $status) = new Compress::Raw::Bunzip2(1, 1, $small, $verbosity, 1); return (undef, "Could not create Inflation object: $status", $status) if $status != BZ_OK ; return bless {'Inf' => $inflate, 'CompSize' => 0, 'UnCompSize' => 0, 'Error' => '', 'ConsumesInput' => 1, } ; } sub uncompr { my $self = shift ; my $from = shift ; my $to = shift ; my $eof = shift ; my $inf = $self->{Inf}; my $status = $inf->bzinflate($from, $to); $self->{ErrorNo} = $status; if ($status != BZ_OK && $status != BZ_STREAM_END ) { $self->{Error} = "Inflation Error: $status"; return STATUS_ERROR; } return STATUS_OK if $status == BZ_OK ; return STATUS_ENDSTREAM if $status == BZ_STREAM_END ; return STATUS_ERROR ; } sub reset { my $self = shift ; my ($inf, $status) = new Compress::Raw::Bunzip2(); $self->{ErrorNo} = ($status == BZ_OK) ? 0 : $status ; if ($status != BZ_OK) { $self->{Error} = "Cannot create Inflate object: $status"; return STATUS_ERROR; } $self->{Inf} = $inf; return STATUS_OK ; } sub compressedBytes { my $self = shift ; $self->{Inf}->compressedBytes(); } sub uncompressedBytes { my $self = shift ; $self->{Inf}->uncompressedBytes(); } sub crc32 { my $self = shift ; #$self->{Inf}->crc32(); } sub adler32 { my $self = shift ; #$self->{Inf}->adler32(); } sub sync { my $self = shift ; #( $self->{Inf}->inflateSync(@_) == BZ_OK) # ? STATUS_OK # : STATUS_ERROR ; } 1; __END__
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