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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758/* * 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