/* * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at> * * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * simple assert() macros that are a bit more flexible than ISO C assert(). * @author Michael Niedermayer <michaelni@gmx.at> */ #ifndef AVUTIL_AVASSERT_H#define AVUTIL_AVASSERT_H #include <stdlib.h>#include "avutil.h"#include "log.h" /** * assert() equivalent, that is always enabled. */#define av_assert0(cond) do {                                           \    if (!(cond)) {                                                      \        av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n",    \               AV_STRINGIFY(cond), __FILE__, __LINE__);                 \        abort();                                                        \    }                                                                   \} while (0)  /** * assert() equivalent, that does not lie in speed critical code. * These asserts() thus can be enabled without fearing speed loss. */#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0#define av_assert1(cond) av_assert0(cond)#else#define av_assert1(cond) ((void)0)#endif  /** * assert() equivalent, that does lie in speed critical code. */#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1#define av_assert2(cond) av_assert0(cond)#define av_assert2_fpu() av_assert0_fpu()#else#define av_assert2(cond) ((void)0)#define av_assert2_fpu() ((void)0)#endif /** * Assert that floating point operations can be executed. * * This will av_assert0() that the cpu is not in MMX state on X86 */void av_assert0_fpu(void); #endif /* AVUTIL_AVASSERT_H */