1 // { dg-do compile } 2 // { dg-options "-Wno-conversion-null" } 3 // 2001-02-06 Benjamin Kosnik <bkoz@redhat.com> 4 5 // Copyright (C) 2001-2013 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 24 namespace 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