Compress-Raw-Zlib

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Makefile.PL  view on Meta::CPAN

    unless eval { ExtUtils::MakeMaker->VERSION(6.30) } ;

delete $WriteMakefileArgs{META_MERGE}
    unless eval { ExtUtils::MakeMaker->VERSION(6.46) } ;

delete $WriteMakefileArgs{BUILD_REQUIRES}
    unless eval { ExtUtils::MakeMaker->VERSION(6.55_03) } ;

WriteMakefile(%WriteMakefileArgs);

sub version_Macro
{
    my $ver = shift ;

    return [ "#if ZLIB_VERNUM >= 0x$ver\n", "#endif\n" ];
}

my @names = qw(

    DEF_WBITS
    MAX_MEM_LEVEL

Makefile.PL  view on Meta::CPAN

    if ( keys %names )
    {
        my $missing = join ("\n\t", sort keys %names) ;
        die "The following names are missing from \@EXPORT in Zlib.pm\n" .
            "\t$missing\n" ;
    }

    push @names, { name => 'ZLIB_VERSION', type => 'PV' };

    push @names, map { { name => $_,
                         macro => version_Macro $verSpecificNames{$_}
                       }
                     }
                 keys %verSpecificNames ;

    push @names, { name => 'Z_NULL', type => 'UV' };
    push @names, { name => 'ZLIBNG_VERSION', type => 'PV' };

    ExtUtils::Constant::WriteConstants(
                                     NAME => 'Zlib',
                                     NAMES => \@names,

zlib-src/infback.c  view on Meta::CPAN

    }
#else /* !BUILDFIXED */
#   include "inffixed.h"
#endif /* BUILDFIXED */
    state->lencode = lenfix;
    state->lenbits = 9;
    state->distcode = distfix;
    state->distbits = 5;
}

/* Macros for inflateBack(): */

/* Load returned state from inflate_fast() */
#define LOAD() \
    do { \
        put = strm->next_out; \
        left = strm->avail_out; \
        next = strm->next_in; \
        have = strm->avail_in; \
        hold = state->hold; \
        bits = state->bits; \

zlib-src/inflate.c  view on Meta::CPAN

        }
        else {
            state->wnext += dist;
            if (state->wnext == state->wsize) state->wnext = 0;
            if (state->whave < state->wsize) state->whave += dist;
        }
    }
    return 0;
}

/* Macros for inflate(): */

/* check function to use adler32() for zlib or crc32() for gzip */
#ifdef GUNZIP
#  define UPDATE_CHECK(check, buf, len) \
    (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
#else
#  define UPDATE_CHECK(check, buf, len) adler32(check, buf, len)
#endif

/* check macros for header crc */