From 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 02:53:35 +0200 Subject: Adding upstream version 2.7.6. Signed-off-by: Daniel Baumann --- src/contrib/macros.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/contrib/macros.h (limited to 'src/contrib/macros.h') diff --git a/src/contrib/macros.h b/src/contrib/macros.h new file mode 100644 index 0000000..1db2241 --- /dev/null +++ b/src/contrib/macros.h @@ -0,0 +1,43 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. + + 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 . + */ +/*! + * \brief Common macros. + */ + +#pragma once + +/*! \brief Eliminate compiler warning with unused parameters. */ +#define UNUSED(param) (void)(param) + +#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 -- cgit v1.2.3