74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Copyright (c) 2001-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef STRACE_MACROS_H
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#define STRACE_MACROS_H
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#include <stdbool.h>
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#include <sys/types.h>
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#include "gcc_compat.h"
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#define ARRAY_SIZE(a_) (sizeof(a_) / sizeof((a_)[0]) + MUST_BE_ARRAY(a_))
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#define ARRSZ_PAIR(a_) a_, ARRAY_SIZE(a_)
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#define STRINGIFY(...) #__VA_ARGS__
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#define STRINGIFY_VAL(...) STRINGIFY(__VA_ARGS__)
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#ifndef MAX
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# define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef MIN
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# define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#define CLAMP(val, min, max) MIN(MAX(min, val), max)
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#ifndef ROUNDUP
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# define ROUNDUP(val_, div_) ((((val_) + (div_) - 1) / (div_)) * (div_))
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#endif
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#ifndef offsetofend
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# define offsetofend(type_, member_) \
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(offsetof(type_, member_) + sizeof(((type_ *)0)->member_))
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#endif
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static inline bool
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is_filled(const char *ptr, char fill, size_t size)
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{
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while (size--)
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if (*ptr++ != fill)
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return false;
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return true;
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}
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#define IS_ARRAY_ZERO(arr_) \
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is_filled((const char *) (arr_), 0, sizeof(arr_) + MUST_BE_ARRAY(arr_))
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#endif /* !STRACE_MACROS_H */
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