Gem::Package::TarHeader.new

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/package/tar_header.rb, line 149
def initialize(vals)
  unless vals[:name] && vals[:size] && vals[:prefix] && vals[:mode]
    raise ArgumentError, ":name, :size, :prefix and :mode required"
  end

  @checksum = vals[:checksum] || ""
  @devmajor = vals[:devmajor] || 0
  @devminor = vals[:devminor] || 0
  @gid = vals[:gid] || 0
  @gname = vals[:gname] || "wheel"
  @linkname = vals[:linkname]
  @magic = vals[:magic] || "ustar"
  @mode = vals[:mode]
  @mtime = vals[:mtime] || 0
  @name = vals[:name]
  @prefix = vals[:prefix]
  @size = vals[:size]
  @typeflag = vals[:typeflag]
  @typeflag = "0" if @typeflag.nil? || @typeflag.empty?
  @uid = vals[:uid] || 0
  @uname = vals[:uname] || "wheel"
  @version = vals[:version] || "00"

  @empty = vals[:empty]
end