contrib/diffutils/src/die.h

   1 /* Report an error and exit.
   2    Copyright 2016-2018 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  17    02110-1301, USA.  */
  18
  19 #ifndef DIE_H
  20 # define DIE_H
  21
  22 # include <error.h>
  23 # include <stdbool.h>
  24 # include <verify.h>
  25
  26 /* Like 'error (STATUS, ...)', except STATUS must be a nonzero constant.
  27    This may pacify the compiler or help it generate better code.  */
  28 # define die(status, ...) \
  29   verify_expr (status, (error (status, __VA_ARGS__), assume (false)))
  30
  31 #endif /* DIE_H */