1 /* 2 * Copyright (c) 2001-2017 The strace developers. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 15 * 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. 26 */ 27 28 #ifndef STRACE_MACROS_H 29 #define STRACE_MACROS_H 30 31 #include "gcc_compat.h" 32 33 #define ARRAY_SIZE(a_) (sizeof(a_) / sizeof((a_)[0]) + MUST_BE_ARRAY(a_)) 34 35 #define STRINGIFY(...) #__VA_ARGS__ 36 #define STRINGIFY_VAL(...) STRINGIFY(__VA_ARGS__) 37 38 #ifndef MAX 39 # define MAX(a, b) (((a) > (b)) ? (a) : (b)) 40 #endif 41 #ifndef MIN 42 # define MIN(a, b) (((a) < (b)) ? (a) : (b)) 43 #endif 44 #define CLAMP(val, min, max) MIN(MAX(min, val), max) 45 46 #ifndef offsetofend 47 # define offsetofend(type_, member_) \ 48 (offsetof(type_, member_) + sizeof(((type_ *)0)->member_)) 49 #endif 50 51 #endif /* !STRACE_MACROS_H */ 52
