libkernaux/pkgs/mruby/mrblib/kernaux.rb

##
# Binding to [libkernaux](https://github.com/tailix/libkernaux) - auxiliary
# library for kernel development.
#
module KernAux
  DEFAULT_ASSERT_CB = @assert_cb = lambda { |file, line, msg|
    raise AssertError, "#{file}:#{line}:#{msg}"
  }

  SPRINTF1_BUFFER_SIZE = 10_000

  def self.sprintf(*args)
    args.map do |arg|
      if arg.is_a? Array
        sprintf1(*arg)
      else
        arg
      end
    end.join.freeze
  end

  def self.sprintf1(format, *args)
    snprintf1(SPRINTF1_BUFFER_SIZE, format, *args).first
  end

  class Error < RuntimeError; end
  class AssertError < Error; end
end