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/*
* Copyright (c) 2010 Richard Braun.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ASSERT_H
#define ASSERT_H
#define static_assert _Static_assert
#ifdef NDEBUG
/*
* The assert() macro normally doesn't produce side effects when turned off,
* but this may result in many "set but not used" warnings. Using sizeof()
* silences these warnings without producing side effects.
*/
#define assert(expression) ((void)sizeof(expression))
#else /* NDEBUG */
#include <kern/macros.h>
#include <kern/panic.h>
/*
* Panic if the given expression is false.
*/
#define assert(expression) \
MACRO_BEGIN \
if (unlikely(!(expression))) { \
panic("assertion (%s) failed in %s:%d, function %s()", \
__QUOTE(expression), __FILE__, __LINE__, __func__); \
} \
MACRO_END
#endif /* NDEBUG */
#endif /* ASSERT_H */
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