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/*** nifty.h -- generally handy macroes
*
* Copyright (C) 2009-2024 Sebastian Freundt
*
* Author: Sebastian Freundt <freundt@ga-group.nl>
*
* This file is part of dateutils.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the author nor the names of any contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***/
#if !defined INCLUDED_nifty_h_
#define INCLUDED_nifty_h_
#if !defined LIKELY
# define LIKELY(_x) __builtin_expect((_x), 1)
#endif /* !LIKELY */
#if !defined UNLIKELY
# define UNLIKELY(_x) __builtin_expect((_x), 0)
#endif /* UNLIKELY */
#if !defined UNUSED
# define UNUSED(_x) _x __attribute__((unused))
#endif /* !UNUSED */
#if !defined ALGN
# define ALGN(_x, to) _x __attribute__((aligned(to)))
#endif /* !ALGN */
#if !defined countof
# define countof(x) (sizeof(x) / sizeof(*x))
#endif /* !countof */
#if !defined with
# define with(args...) for (args, *__ep__ = (void*)1; __ep__; __ep__ = 0)
#endif /* !with */
#endif /* INCLUDED_nifty_h_ */
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