libstdc++-v3/testsuite/17_intro/header_cstddef.cc

   1 // 2001-02-06  Benjamin Kosnik  <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001, 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 17.4.1.2 Headers, cstddef
  22
  23 #include <cstddef>
  24
  25 namespace gnu
  26 {
  27   struct test_type
  28   {
  29     int i;
  30     int j;
  31   };
  32
  33   void test01()
  34   {
  35     std::size_t i __attribute__((unused)) = offsetof(struct test_type, i);
  36 #ifndef offsetof
  37     #error "offsetof_must_be_a_macro"
  38 #endif
  39   }
  40 }
  41
  42 int main()
  43 {
  44   gnu::test01();
  45   return 0;
  46 }