gnu/dist/groff/src/include/assert.h

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