| 1 | /* |
| 2 | * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at> |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * @file |
| 23 | * simple assert() macros that are a bit more flexible than ISO C assert(). |
| 24 | * @author Michael Niedermayer <michaelni@gmx.at> |
| 25 | */ |
| 26 | |
| 27 | #ifndef AVUTIL_AVASSERT_H |
| 28 | #define AVUTIL_AVASSERT_H |
| 29 | |
| 30 | #include <stdlib.h> |
| 31 | #include "avutil.h" |
| 32 | #include "log.h" |
| 33 | |
| 34 | /** |
| 35 | * assert() equivalent, that is always enabled. |
| 36 | */ |
| 37 | #define av_assert0(cond) do { \ |
| 38 | if (!(cond)) { \ |
| 39 | av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n", \ |
| 40 | AV_STRINGIFY(cond), __FILE__, __LINE__); \ |
| 41 | abort(); \ |
| 42 | } \ |
| 43 | } while (0) |
| 44 | |
| 45 | |
| 46 | /** |
| 47 | * assert() equivalent, that does not lie in speed critical code. |
| 48 | * These asserts() thus can be enabled without fearing speedloss. |
| 49 | */ |
| 50 | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0 |
| 51 | #define av_assert1(cond) av_assert0(cond) |
| 52 | #else |
| 53 | #define av_assert1(cond) ((void)0) |
| 54 | #endif |
| 55 | |
| 56 | |
| 57 | /** |
| 58 | * assert() equivalent, that does lie in speed critical code. |
| 59 | */ |
| 60 | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1 |
| 61 | #define av_assert2(cond) av_assert0(cond) |
| 62 | #else |
| 63 | #define av_assert2(cond) ((void)0) |
| 64 | #endif |
| 65 | |
| 66 | #endif /* AVUTIL_AVASSERT_H */ |