ruby-net-ldap/lib/net/ldap/core_ext/bignum.rb
2010-03-18 09:28:27 +01:00

25 lines
571 B
Ruby

module Net
class LDAP
module Extensions
module Bignum
def to_ber
# NOTE: Array#pack's 'w' is a BER _compressed_ integer. We need
# uncompressed BER integers, so we're not using that. See also:
# http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/228864
result = []
n = self
while n>0
b = n & 0xff
result << b
n = n >> 8
end
"\002" + ([result.size] + result.reverse).pack('C*')
end
end
end
end
end