Image

head

root

para

L<Examples| file:../examples/index.podlite>


L<Download |file:../download/index.podlite>


React

=begin React :component<HeaderCol> :id<menu> 
=para L<Documentation|/doc/introduction>
=para L<Modules| /mods>
=para L<Examples| file:../examples/index.podlite>
=para L<Download |file:../download/index.podlite>
=para L<About|file:../about/index.podlite>
=para 🔍 K<⌘K>/K<ctrl-K>
=end React


HEADER

FOOTER

README

code

item

use v6;
use NativeCall;

# structs and pointers.
my class bz_stream is repr('CStruct') {
    has CArray[uint8] $.next-in;
    has int32 $.avail-in;
    has int32 $.total-in_lo32;
    has int32 $.total-in_hi32;

    has CArray[uint8] $.next-out;
    has int32 $.avail-out;
    has int32 $.total-out-lo32;
    has int32 $.total-out-hi32;

    has Pointer[void] $.state;

    has Pointer[void] $.bzalloc is rw;
    has Pointer[void] $.bzfree is rw;
    has Pointer[void] $.opaque is rw;

    method set-input(Blob $stuff){
        $!next-in := nativecast CArray[uint8], $stuff;
        $!avail-in = $stuff.bytes;
    }

    method set-output(Blob $stuff){
        $!next-out := nativecast CArray[uint8], $stuff;
        $!avail-out = $stuff.bytes;
    }
}

# constants
my constant BZ_RUN = 0;
my constant BZ_FLUSH = 1;
my constant BZ_FINISH = 2;

my constant BZ_OK = 0;
my constant BZ_RUN_OK = 1;
my constant BZ_FLUSH_OK = 2;
my constant BZ_FINISH_OK = 3;
my constant BZ_STREAM_END = 4;
# Errors.
my constant BZ_SEQUENCE_ERROR = (-1);
my constant BZ_PARAM_ERROR = (-2);
my constant BZ_MEM_ERROR = (-3);
my constant BZ_DATA_ERROR = (-4);
my constant BZ_DATA_ERROR_MAGIC = (-5);
my constant BZ_IO_ERROR = (-6);
my constant BZ_UNEXPECTED_EOF = (-7);
my constant BZ_OUTBUFF_FULL = (-8);
my constant BZ_CONFIG_ERROR = (-9);

## Low-level.
# Compress.
sub BZ2_bzCompressInit(bz_stream, int32, int32, int32) returns int32 is native("bz2", v1) { * }
sub BZ2_bzCompress(bz_stream, int32) returns int32 is native("bz2", v1) { * }
sub BZ2_bzCompressEnd(bz_stream) returns int32 is native("bz2", v1) { * }
# Decompress.
sub BZ2_bzDecompressInit(bz_stream, int32, int32) returns int32 is native("bz2", v1) { * }
sub BZ2_bzDecompress(bz_stream) returns int32 is native("bz2", v1) { * }
sub BZ2_bzDecompressEnd(bz_stream) returns int32 is native("bz2", v1) { * }

## High-level.
# Reading.
sub BZ2_bzReadOpen(int32 is rw, OpaquePointer, int32, int32, Pointer[uint8], int32) returns OpaquePointer is native("bz2", v1) { * }
sub bzReadOpen(int32 $bzerror is rw, OpaquePointer $file, $verbosity=0, $small=0, $unused

Pointer


## Utility.
sub BZ2_bzBuffToBuffCompress(Blob, uint32 is rw, Blob, uint32, int32, int32, int32) returns int32 is native("bz2", v1) { * }
sub BZ2_bzBuffToBuffDecompress(Blob, uint32 is rw, Blob, uint32, int32, int32) returns int32 is native("bz2", v1) { * }
sub fopen(Str $filename, Str $mode) returns OpaquePointer is native(Str) { * }
sub fclose(OpaquePointer $handle) returns int32 is native(Str) { * }

# High-level helpers.
sub name-to-compress-info(Str $filename) {
    my $handle = fopen($filename ~ ".bz2", "wb");
    my $blob = slurp $filename, :bin;
    my $len = $blob.elems;
    $handle, $blob, $len;
}

sub name-to-decompress-info(Str $filename) {
    my $handle = fopen($filename, "rb");
    my Str $output = ($filename ~~ m/(.+).bz2/)[0].Str;
    my $fd = open $output, :w, :bin;
    $handle, $fd;
}

my %all-symbols = MY::.grep({ .key ~~ /:i 'bz'|'name'/ || .key eq '&fopen'|'&fclose' });
my %win-symbols = MY::.grep({ .key ~~ /:i 'BuzzToBuff'/ });

sub EXPORT {
    $*DISTRO.is-win ?? %win-symbols !! %all-symbols;
}


The Raku Knowledge Base


=begin React :component<HeaderCol> :id<footer>  
=begin nested :!nested
=item1 B<Language>
    =item2 L<Get started|file:../getting-started/getting-started.podlite>
    =item2 L<Why Raku?|/doc/language/faq#Why-should-I-learn-Raku-What's-so-great-about-it>
    =item2 L<Try Raku|https://glot.io/new/raku>
    =item2 L<Raku cheat sheet|https://github.com/Raku/mu/blob/master/docs/Perl6/Cheatsheet/cheatsheet.txt>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<Raku on Exercism|https://exercism.org/tracks/raku>
    =item2 L<Wikipedia|https://en.wikipedia.org/wiki/Raku_(programming_language)>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>

=end nested
=begin nested :!nested

=item1 B<L<Documentation|/doc>>
    =item2 L<Getting started, Migration guides from other languages, & Tutorials | file:../doc/introduction.podlite>
    =item2 L<Language References|file:../doc/reference.podlite>
    =item2 L<Type Reference| file:../doc/types.podlite>
    =item2 L<Miscellaneous| file:../doc/miscellaneous.podlite>
    =item2 L<FAQs (Frequently Asked Questions)|/doc/language/faq>
    =item2 L<Community|/doc/language/community>
    =item2 L<The list of all documents|file:../doc/index.podlite>

=item1 B<Resources>
    =item2 L<The Raku Guide|https://raku.guide/>
    =item2 L<Books |https://perl6book.com/>
    =item2 L<Rosetta Code | https://www.raku.org/community/rosettacode>

=end nested
=begin nested :!nested

=item1 B<Resoures>
    =item2 L<Download | file:../download/index.podlite>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>

=item1 B<Learning>
    =item2 L<The Raku Guide|https://raku.guide/>
    =item2 L<Wikibook |https://en.wikibooks.org/wiki/Raku_Programming>
    =item2 L<Books |https://perl6book.com/>
    =item2 L<Rosetta Code | https://www.raku.org/community/rosettacode>
    =item2 L<Learn Raku in Y minutes|https://learnxinyminutes.com/docs/raku/>
    =item2 L<Golfing |https://github.com/AlexDaniel/raku-golf-cheatsheet>
=end nested
=begin nested :!nested

=item1 B<Explore>
    =item2 L<Raku Blog Aggregator|https://planet.raku.org/>
    =item2 L<Rakudo Weekly|https://rakudoweekly.blog/>
    =item2 L<The Weekly Challenge |https://perlweeklychallenge.org/>
    =item2 L<Raku Advent Calendar|https://raku-advent.blog/>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>

=end nested
=end React


=begin React :component<CookieConsent> :id<CookieConsent> :buttonCaption("Got it!")
=para
This website uses cookies for analytics.
=end React


README

P6-Compress-Bzip2-Raw

Compress::Bzip2::Raw v0.2.2

Authors

License

Dependencies

Test Dependencies

Provides

Documentation