cryb-to/include/cryb/defs.h

/*-
 * Copyright (c) 2014-2016 Dag-Erling Smørgrav
 * All rights reserved.
 *
 * 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. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR 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.
 */

#ifndef CRYB_DEFS_H_INCLUDED
#define CRYB_DEFS_H_INCLUDED

#if defined(__GNUC__) || defined(__clang__)
# define CRYB_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
# define CRYB_NORETURN __attribute__((noreturn))
# define CRYB_UNUSED __attribute__((unused))
# define CRYB_USED __attribute__((used))
#else
# define CRYB_PRINTF(fmt, arg)
# define CRYB_NORETURN
# define CRYB_UNUSED
# define CRYB_USED
#endif

#ifdef __cplusplus
#define CRYB_BEGIN	extern "C" {
#define CRYB_END	}
#else
#define CRYB_BEGIN
#define CRYB_END
#endif

#define CRYB_DEQUAL(p)	((void *)(intptr_t)(p))

#endif