1// { dg-do compile }
2// { dg-options "-Wno-conversion-null" }
3// 2001-02-06  Benjamin Kosnik  <bkoz@redhat.com>
4
5// Copyright (C) 2001-2015 Free Software Foundation, Inc.
6//
7// This file is part of the GNU ISO C++ Library.  This library is free
8// software; you can redistribute it and/or modify it under the
9// terms of the GNU General Public License as published by the
10// Free Software Foundation; either version 3, or (at your option)
11// any later version.
12
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17
18// You should have received a copy of the GNU General Public License along
19// with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22#include <cstddef>
23
24namespace gnu
25{
26  struct test_type
27  {
28    int i;
29    int j;
30  };
31
32  // offsetof
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  // NULL
42  void test02()
43  {
44    // Must not be (void*)0
45    const int j __attribute__((unused)) = NULL;
46
47#ifndef NULL
48    #error "NULL_must_be_a_macro"
49#endif
50  }
51}
52