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basiclib/Config.pm-txt  view on Meta::CPAN

sub FETCH { 
    # check for cached value (which may be undef so we use exists not defined)
    return $_[0]->{$_[1]} if (exists $_[0]->{$_[1]});

    # Search for it in the big string 
    my($value, $start, $marker, $quote_type);

    $quote_type = "'";
    # Virtual entries.
    if ($_[1] eq 'byteorder') {
	# byteorder does exist on its own but we overlay a virtual
	# dynamically recomputed value. 
        my $t = $Config{ivtype};
        my $s = $Config{ivsize};
        my $f = $t eq 'long' ? 'L!' : $s == 8 ? 'Q': 'I';
        if ($s == 4 || $s == 8) {
	    my $i = 0;
    	    foreach my $c (reverse(2..$s)) { $i |= ord($c); $i <<= 8 }
	    $i |= ord(1);
            $value = join('', unpack('a'x$s, pack($f, $i)));
        } else {