/contrib/groff/src/include/assert.h

 1// -*- C++ -*-
 2/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
 3     Written by James Clark (jjc@jclark.com)
 4
 5This file is part of groff.
 6
 7groff is free software; you can redistribute it and/or modify it under
 8the terms of the GNU General Public License as published by the Free
 9Software Foundation; either version 2, or (at your option) any later
10version.
11
12groff is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License along
18with groff; see the file COPYING.  If not, write to the Free Software
19Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
20
21#ifndef ASSERT_H
22#define ASSERT_H
23
24void assertion_failed(int, const char *);
25
26inline void do_assert(int expr, int line, const char *file)
27{
28  if (!expr)
29    assertion_failed(line, file);
30}
31#endif /* ASSERT_H */
32
33#undef assert
34
35#ifdef NDEBUG
36#define assert(ignore) /* as nothing */
37#else
38#define assert(expr) do_assert(expr, __LINE__, __FILE__)
39#endif