Class: StringIO Private

Do not use. This class is for internal use only.

Relationships & Source Files
Inherits:	Object
Defined in:	lib/em/protocols/postgres3.rb

Instance Method Summary

#read_exactly_n_bytes(n)

Alias for #readbytes.
#readbytes(n) (also: #read_exactly_n_bytes) Internal use only

Reads exactly n bytes.

Instance Method Details

#read_exactly_n_bytes(n)

Alias for #readbytes.

[ GitHub ]

# File 'lib/em/protocols/postgres3.rb', line 48


alias read_exactly_n_bytes readbytes

#readbytes(n) Also known as: #read_exactly_n_bytes

Reads exactly n bytes.

If the data read is nil an EOFError is raised.

If the data read is too short an IOError is raised

[ GitHub ]

# File 'lib/em/protocols/postgres3.rb', line 38


def readbytes(n)
  str = read(n)
  if str == nil
    raise EOFError, "End of file reached"
  end
  if str.size < n
    raise IOError, "data truncated"
  end
  str
end