granicus.if.org Git - strace/blob - static_assert.h

   1 /*
   2  * Copyright (c) 2018 Dmitry V. Levin <ldv@altlinux.org>
   3  * All rights reserved.
   4  *
   5  * SPDX-License-Identifier: LGPL-2.1-or-later
   6  */
   7
   8 #ifndef STRACE_STATIC_ASSERT_H
   9 # define STRACE_STATIC_ASSERT_H
  10
  11 # include "assert.h"
  12
  13 # if defined HAVE_STATIC_ASSERT
  14
  15 /* static_assert is already available */
  16
  17 # elif defined HAVE__STATIC_ASSERT
  18
  19 #  undef static_assert
  20 #  define static_assert _Static_assert
  21
  22 # else /* !HAVE_STATIC_ASSERT && !HAVE__STATIC_ASSERT */
  23
  24 #  define static_assert(expr, message) \
  25         extern int (*strace_static_assert(int))[sizeof(int[2 * !!(expr) - 1])]
  26
  27 # endif
  28
  29 #endif /* !STRACE_STATIC_ASSERT_H */