avassert.h 2.06 KB
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/*
 * copyright (c) 2010 Michael Niedermayer <michaelni@gmx.at>
 *
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * 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.
 *
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 * Libav is distributed in the hope that it will be useful,
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 * 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
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 * License along with Libav; if not, write to the Free Software
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 * 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>
 */

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#ifndef AVUTIL_AVASSERT_H
#define AVUTIL_AVASSERT_H
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#include <stdlib.h>
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#include "avutil.h"
#include "log.h"

/**
 * assert() equivalent, that is always enabled.
 */
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#define av_assert0(cond) do {                                           \
    if (!(cond)) {                                                      \
        av_log(NULL, AV_LOG_FATAL, "Assertion %s failed at %s:%d\n",    \
               AV_STRINGIFY(cond), __FILE__, __LINE__);                 \
        abort();                                                        \
    }                                                                   \
} while (0)
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/**
 * assert() equivalent, that does not lie in speed critical code.
 * These asserts() thus can be enabled without fearing speedloss.
 */
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 0
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#define av_assert1(cond) av_assert0(cond)
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#else
#define av_assert1(cond) ((void)0)
#endif


/**
 * assert() equivalent, that does lie in speed critical code.
 */
#if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
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#define av_assert2(cond) av_assert0(cond)
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#else
#define av_assert2(cond) ((void)0)
#endif

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#endif /* AVUTIL_AVASSERT_H */