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Rhash.pm  view on Meta::CPAN

# destructor
sub DESTROY($)
{
	my $self = shift;
	# the 'if' added as workaround for perl 'global destruction' bug
	# ($self->{context} can disappear on global destruction)
	rhash_free($self->{context}) if $self->{context};
}

sub update($$)
{
	my $self = shift;
	my $message = shift;
	rhash_update($self->{context}, $message);
	return $self;
}

sub update_fd($$;$$)
{
	my ($self, $fd, $start, $size) = @_;
	my $res = 0;
	my $num = 0;

	binmode($fd);
	if(defined($start)) {
		seek($fd, scalar($start), 0) or return undef;
	}

Rhash.pm  view on Meta::CPAN

	} else {
		while( ($res = read($fd, $data, 8192)) ) {
			rhash_update($self->{context}, $data);
			$num += $res;
		}
	}

	return (defined($res) ? $num : undef); # return undef on read error
}

sub update_file($$;$$)
{
	my ($self, $file, $start, $size) = @_;
	open(my $fd, "<", $file) or return undef;
	my $res = $self->update_fd($fd, $start, $size);
	close($fd);
	return $res;
}

sub final($)
{