55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* common.h - common includes and definitions
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*
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* Copyright (C) 2020 CismonX <admin@cismon.net>
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*
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* This file is part of U6a.
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*
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* U6a is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* U6a 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with U6a. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef U6A_COMMON_H_
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#define U6A_COMMON_H_
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef __GNUC__
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#define LIKELY(expr) __builtin_expect(!!(expr), 1)
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#define UNLIKELY(expr) __builtin_expect(!!(expr), 0)
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#define U6A_COLD __attribute__((cold))
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#define U6A_HOT __attribute__((hot))
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#define U6A_NOT_REACHED() __builtin_unreachable()
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#else
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#define LIKELY(expr) (expr)
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#define UNLIKELY(expr) (expr)
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#define U6A_COLD
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#define U6A_HOT
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#define U6A_NOT_REACHED()
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#endif
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#ifdef __linux__
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#include <linux/limits.h>
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#else
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#include <limits.h>
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#endif
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#define U6A_MAGIC 0xDC /* Latin 'U' with diaeresis */
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#define U6A_VER_MAJOR 0x00
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#define U6A_VER_MINOR 0x01
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#define U6A_VER_PATCH 0x02
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#endif
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