| /* |
| * 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 "log.h" |
| #include "macros.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 */ |
