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/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/*!
* \brief Common macros.
*/
#pragma once
#ifndef MIN
/*! \brief Type-safe minimum macro. */
#define MIN(a, b) \
({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
/*! \brief Type-safe maximum macro. */
#define MAX(a, b) \
({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
#endif
#ifndef likely
/*! \brief Optimize for x to be true value. */
#define likely(x) __builtin_expect((x), 1)
#endif
#ifndef unlikely
/*! \brief Optimize for x to be false value. */
#define unlikely(x) __builtin_expect((x), 0)
#endif
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