1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org> 5 * 6 * This software was developed by SRI International and the University of 7 * Cambridge Computer Laboratory (Department of Computer Science and 8 * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the 9 * DARPA SSITH research programme. 10 * 11 * This software was developed by SRI International and the University of 12 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 13 * ("CTSRD"), as part of the DARPA CRASH research programme. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 #pragma once 37 #include_next <endian.h> 38 #include <stdint.h> 39 /* 40 * Work around error: initializer element is not a compile-time constant 41 * 42 * In some glibc versions (e.g. 2.28) htole16() expands to a call to an inline 43 * function. Clang will complain that this is not a compile time constant if 44 * it is used as a global struct initializer. 45 * Define them as simple macros instead. This is not quite as good since it 46 * won't catch any type errors when calling the macro (e.g. it now happily 47 * accepts pointers) but for the purpose of bootstrapping some tools this 48 * should be fine. 49 */ 50 #define __uint16_identity(x) ((uint16_t)x) 51 #define __uint32_identity(x) ((uint32_t)x) 52 #define __uint64_identity(x) ((uint64_t)x) 53