class RubyMemcheck::Configuration

def get_valgrind_suppression_files(dir)
  dir = File.expand_path(dir)
  full_ruby_version = "#{RUBY_ENGINE}-#{RUBY_VERSION}.#{RUBY_PATCHLEVEL}"
  versions = [full_ruby_version]
  (0..3).reverse_each { |i| versions << full_ruby_version.split(".")[0, i].join(".") }
  versions << RUBY_ENGINE
  versions.map do |version|
    old_format_files = Dir[File.join(dir, "#{binary_name}_#{version}.supp")]
    unless old_format_files.empty?
      warn("ruby_memcheck: please migrate your suppression filenames from " \
        "`gem_name_ruby-3.1.0.supp` to `ruby-3.1.0.supp` (drop the gem name from the filename)")
    end
    old_format_files + Dir[File.join(dir, "#{version}.supp")]
  end.flatten
end