69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/* bug.h - bug_on/warn_on/warn functions.
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*
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* Copyright (C) 2021-2024 Bruno Raoult ("br")
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* Licensed under the GNU General Public License v3.0 or later.
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* Some rights reserved. See COPYING.
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*
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* You should have received a copy of the GNU General Public License along with this
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* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
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*
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*/
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/* we allow multiple inclusions, so that BUG_ON/WARN_ON can change during
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* compilation.
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*/
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#ifdef BUG_H
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#undef BUG_H
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/* reset all macros */
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#undef bug_on
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#undef warn_on
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#undef warn
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#endif /* BUG_H */
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#define BUG_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include "likely.h"
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#ifdef BUG_ON
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#define bug_on(expr) do { \
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if (unlikely(expr)) { \
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fprintf(stderr, \
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"** BUG IN %s[%s:%d]: assertion \"" #expr "\" failed.\n", \
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__func__, __FILE__,__LINE__); \
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abort(); \
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} \
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} while (0)
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#else
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#define bug_on(expr)
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#endif
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#ifdef WARN_ON
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#define warn_on(expr) ({ \
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int _ret = !!(expr); \
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if (unlikely(_ret)) \
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fprintf(stderr, \
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"** WARN ON %s[%s:%d]: assertion \"" #expr "\" failed.\n", \
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__func__, __FILE__,__LINE__); \
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_ret; \
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})
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#else
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#define warn_on(expr) ({ 0; })
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#endif
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#define warn(expr, args...) ({ \
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int _ret = !!(expr); \
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if (unlikely(_ret)) \
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fprintf(stderr, ##args); \
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_ret; \
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})
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