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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
/**
* @brief This file provides two macros, mp_assert and mp_require, used to check
* for conditions that should never occur.
*
* The mp_assert macro is a convenience wrapper around the standard assert,
* which also sinks unused variables to prevent compiler warnings. It should be
* used for debugging purposes only to check for conditions that should never
* occur. This macro can be disabled in release builds by defining NDEBUG and
* should not be used for error handling.
*
* The mp_require macro is similar to mp_assert but more strict. It enforces
* critical assertions even in release builds. If the condition is not met, this
* macro will abort the program, making it suitable for error handling in cases
* where recovery is impossible. Note that this macro does not log any messages
* to keep as small footprint as possible in NDEBUG builds.
*/
#ifndef NDEBUG
#include <assert.h>
#define mp_assert assert
#define mp_require assert
#else
#include <stdio.h>
#include <stdlib.h>
#define mp_require(expr) \
do { \
if (!(expr)) \
abort(); \
} while (0)
#define mp_assert(expr) do { (void)sizeof(expr); } while (0)
#endif
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