Class DB2::Environment < Object

# File rails/activerecord/lib/active_record/vendor/db2.rb, line 28
def initialize
  @handle_type = SQL_HANDLE_ENV
  rc, @handle = SQLAllocHandle(@handle_type, SQL_NULL_HANDLE)
  check_rc(rc)
end

# File rails/activerecord/lib/active_record/vendor/db2.rb, line 34
def data_sources(buffer_length = 1024)
  retval = []
  max_buffer_length = buffer_length

  a = SQLDataSources(@handle, SQL_FETCH_FIRST, SQL_MAX_DSN_LENGTH + 1, buffer_length)
  retval << [a[1], a[3]]
  max_buffer_length = [max_buffer_length, a[4]].max

  loop do
    a = SQLDataSources(@handle, SQL_FETCH_NEXT, SQL_MAX_DSN_LENGTH + 1, buffer_length)
    break if a[0] == SQL_NO_DATA_FOUND

    retval << [a[1], a[3]]
    max_buffer_length = [max_buffer_length, a[4]].max
  end

  if max_buffer_length > buffer_length
    get_data_sources(max_buffer_length)
  else
    retval
  end
end