# File lib/rubygems/package.rb, line 684
def verify_gz(entry) # :nodoc:
Zlib::GzipReader.wrap entry do |gzio|
gzio.read 16384 until gzio.eof? # gzip checksum verification
end
rescue Zlib::GzipFile::Error => e
raise Gem::Package::FormatError.new(e.message, entry.full_name)
end