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| | | /* |
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| | | * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at> |
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| | | * |
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| | | * This file is part of FFmpeg. |
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| | | * |
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| | | * FFmpeg is free software; you can redistribute it and/or |
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| | | * modify it under the terms of the GNU Lesser General Public |
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| | | * License as published by the Free Software Foundation; either |
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| | | * version 2.1 of the License, or (at your option) any later version. |
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| | | * |
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| | | * FFmpeg is distributed in the hope that it will be useful, |
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| | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| | | * Lesser General Public License for more details. |
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| | | * |
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| | | * You should have received a copy of the GNU Lesser General Public |
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| | | * License along with FFmpeg; if not, write to the Free Software |
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| | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| | | */ |
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| | | |
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| | | /** |
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| | | * @file |
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| | | * simple assert() macros that are a bit more flexible than ISO C assert(). |
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| | | * @author Michael Niedermayer <michaelni@gmx.at> |
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| | | */ |
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| | | |
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| | | #ifndef AVUTIL_AVASSERT_H |
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| | | #define AVUTIL_AVASSERT_H |
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| | | |
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| | | #include <stdlib.h> |
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| | | #include "avutil.h" |
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| | | #include "log.h" |
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| | | |
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| | | /** |
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| | | * assert() equivalent, that is always enabled. |
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| | | */ |
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| | | #define av_assert0(cond) do { \ |
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| | | if (!(cond)) { \ |
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| | | av_log(NULL, AV_LOG_PANIC, "Assertion %s failed at %s:%d\n", \ |
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| | | AV_STRINGIFY(cond), __FILE__, __LINE__); \ |
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| | | abort(); \ |
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| | | } \ |
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| | | } while (0) |
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| | | |
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| | | |
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| | | /** |
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| | | * assert() equivalent, that does not lie in speed critical code. |
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| | | * These asserts() thus can be enabled without fearing speed loss. |
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| | | */ |
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| | | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0 |
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| | | #define av_assert1(cond) av_assert0(cond) |
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| | | #else |
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| | | #define av_assert1(cond) ((void)0) |
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| | | #endif |
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| | | |
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| | | |
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| | | /** |
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| | | * assert() equivalent, that does lie in speed critical code. |
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| | | */ |
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| | | #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1 |
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| | | #define av_assert2(cond) av_assert0(cond) |
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| | | #define av_assert2_fpu() av_assert0_fpu() |
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| | | #else |
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| | | #define av_assert2(cond) ((void)0) |
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| | | #define av_assert2_fpu() ((void)0) |
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| | | #endif |
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| | | |
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| | | /** |
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| | | * Assert that floating point operations can be executed. |
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| | | * |
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| | | * This will av_assert0() that the cpu is not in MMX state on X86 |
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| | | */ |
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| | | void av_assert0_fpu(void); |
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| | | |
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| | | #endif /* AVUTIL_AVASSERT_H */ |
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