Class: FFI::PCap::ErrorBuffer

Inherits:

Buffer

• Object
• Buffer
• FFI::PCap::ErrorBuffer

Defined in:

lib/ffi/pcap/error_buffer.rb

Constant Summary

SIZE =

Size of the error buffers

256

Instance Method Summary

• #initialize(ptr = nil) ⇒ ErrorBuffer constructor

  Creates a new ErrorBuffer object.

• #to_s ⇒ Object

  Returns the error message within the error buffer.

Constructor Details

#initialize(ptr = nil) ⇒ ErrorBuffer

Creates a new FFI::PCap::ErrorBuffer object.

Parameters:

• ptr (FFI::Pointer) (defaults to: nil) —

  Optional pointer to an existing FFI::PCap::ErrorBuffer.

# File 'lib/ffi/pcap/error_buffer.rb', line 14

def initialize(ptr=nil)
  if ptr then super(ptr)
  else        super(SIZE)
  end
end

Instance Method Details

#to_s ⇒ Object

Returns the error message within the error buffer.

# File 'lib/ffi/pcap/error_buffer.rb', line 23

def to_s
  get_string(0)
end