| Elliott Hughes | dc75b01 | 2017-07-05 13:54:44 -0700 | [diff] [blame] | 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 | |
| Elliott Hughes | bbf97dc | 2017-11-15 16:45:52 -0800 | [diff] [blame^] | 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 | |
| Elliott Hughes | 77c3ff8 | 2017-09-08 17:11:00 -0700 | [diff] [blame] | 46 | #ifndef offsetofend |
| 47 | # define offsetofend(type_, member_) \ |
| 48 | (offsetof(type_, member_) + sizeof(((type_ *)0)->member_)) |
| 49 | #endif |
| 50 | |
| Elliott Hughes | dc75b01 | 2017-07-05 13:54:44 -0700 | [diff] [blame] | 51 | #endif /* !STRACE_MACROS_H */ |