2 * Copyright (c) 2001-2018 The strace developers.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef STRACE_MACROS_H
29 #define STRACE_MACROS_H
32 #include <sys/types.h>
34 #include "gcc_compat.h"
36 #define ARRAY_SIZE(a_) (sizeof(a_) / sizeof((a_)[0]) + MUST_BE_ARRAY(a_))
38 #define STRINGIFY(...) #__VA_ARGS__
39 #define STRINGIFY_VAL(...) STRINGIFY(__VA_ARGS__)
42 # define MAX(a, b) (((a) > (b)) ? (a) : (b))
45 # define MIN(a, b) (((a) < (b)) ? (a) : (b))
47 #define CLAMP(val, min, max) MIN(MAX(min, val), max)
50 # define offsetofend(type_, member_) \
51 (offsetof(type_, member_) + sizeof(((type_ *)0)->member_))
55 is_filled(const char *ptr, char fill, size_t size)
64 #define IS_ARRAY_ZERO(arr_) \
65 is_filled((const char *) (arr_), 0, sizeof(arr_) + MUST_BE_ARRAY(arr_))
67 #endif /* !STRACE_MACROS_H */