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/*
* Copyright (c) 2001-2018 The strace developers.
* 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 ``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 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 STRACE_MACROS_H
#define STRACE_MACROS_H
#include <stdbool.h>
#include <sys/types.h>
#include "gcc_compat.h"
#define ARRAY_SIZE(a_) (sizeof(a_) / sizeof((a_)[0]) + MUST_BE_ARRAY(a_))
#define ARRSZ_PAIR(a_) a_, ARRAY_SIZE(a_)
#define STRINGIFY(...) #__VA_ARGS__
#define STRINGIFY_VAL(...) STRINGIFY(__VA_ARGS__)
#ifndef MAX
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef MIN
# define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#define CLAMP(val, min, max) MIN(MAX(min, val), max)
#ifndef ROUNDUP
# define ROUNDUP(val_, div_) ((((val_) + (div_) - 1) / (div_)) * (div_))
#endif
#ifndef offsetofend
# define offsetofend(type_, member_) \
(offsetof(type_, member_) + sizeof(((type_ *)0)->member_))
#endif
static inline bool
is_filled(const char *ptr, char fill, size_t size)
{
while (size--)
if (*ptr++ != fill)
return false;
return true;
}
#define IS_ARRAY_ZERO(arr_) \
is_filled((const char *) (arr_), 0, sizeof(arr_) + MUST_BE_ARRAY(arr_))
#endif /* !STRACE_MACROS_H */
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