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/*
* Copyright (c) 2017 Richard Braun.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef ASSERT_H
#define ASSERT_H
#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 <lib/macros.h>
#include <src/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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