Module: NIS

Defined in:
lib/nis-ffi.rb,
lib/nis-ffi/version.rb

Overview

NIS module providing the yp functions.

Defined Under Namespace

Modules: Library, Version Classes: YPError

Constant Summary collapse

YPERR_SUCCESS = 
0
YPERR_BADARGS = 
1
YPERR_RPC = 
2
YPERR_DOMAIN = 
3
YPERR_MAP = 
4
YPERR_KEY = 
5
YPERR_YPERR = 
6
YPERR_RESRC = 
7
YPERR_NOMORE = 
8
YPERR_PMAP = 
9
YPERR_YPBIND = 
10
YPERR_YPSERV = 
11
YPERR_NODOM = 
12
YPERR_BADDB = 
13
YPERR_VERS = 
14
YPERR_ACCESS = 
15
YPERR_BUSY = 
16

Class Method Summary collapse

Class Method Details

.yp_get_default_domain ⇒ Object

Get the default domain.



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# File 'lib/nis-ffi.rb', line 56

def self.yp_get_default_domain
  domain_ptr = FFI::MemoryPointer.new(:pointer)
  code = Library.yp_get_default_domain(domain_ptr)
  raise_on_error(code)
  str_ptr = domain_ptr.read_pointer
  str_ptr.read_string
end

.yp_match(domain, map, key) ⇒ Object

Look up a value with a specified map and key.

Returns the string value or raises an YPError (even when it’s just a key that doesn’t exist).



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# File 'lib/nis-ffi.rb', line 68

def self.yp_match(domain, map, key)
  value = FFI::MemoryPointer.new(:pointer)
  value_len = FFI::MemoryPointer.new(:int)

  code = Library.yp_match(domain, map, key, key.bytesize, value, value_len)
  raise_on_error(code)
  
  str_ptr = value.read_pointer
  len = value_len.read_int
  result = str_ptr.read_string(len)
  result
end

.yperr_string(code) ⇒ Object

Returns an error string which describes the error code.



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# File 'lib/nis-ffi.rb', line 82

def self.yperr_string(code)
  Library.yperr_string(code)
end