Method: Fiddle::Pointer#to_s

Defined in:
ext/fiddle/pointer.c,
lib/fiddle/ffi_backend.rb

#to_s ⇒ String #to_s(len) ⇒ String

Returns the pointer contents as a string.

When called with no arguments, this method will return the contents until the first NULL byte.

When called with len, a string of len bytes will be returned.

See to_str

Overloads:

  • #to_s ⇒ String

    Returns:

    • (String)
  • #to_s(len) ⇒ String

    Returns:

    • (String) 


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# File 'ext/fiddle/pointer.c', line 499

def to_s(len = nil)
  if len
    ffi_ptr.read_string(len)
  elsif @size == 0
    ffi_ptr.read_string
  else
    ffi_ptr.get_string(0, @size)
  end
rescue FFI::NullPointerError
  raise DLError.new("NULL pointer access")
end