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 * $FreeBSD$ 37 */ 38#if __has_include_next(<limits.h>) 39#include_next <limits.h> 40#endif 41 42#if __has_include(<linux/limits.h>) 43#include <linux/limits.h> 44#endif 45 46#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L 47#if !defined(_GNU_SOURCE) 48#warning "Attempting to use limits.h with -std=c89/without _GNU_SOURCE, many macros will be missing" 49#endif 50 51#else /* Not C89 */ 52/* Not C89 -> check that all macros that we expect are defined */ 53#ifndef IOV_MAX 54#error IOV_MAX should be defined 55#endif 56#endif /* C89 */ 57 58#ifndef MAXBSIZE 59#define MAXBSIZE 65536 /* must be power of 2 */ 60#endif 61 62#ifndef OFF_MAX 63#define OFF_MAX UINT64_MAX 64#endif 65 66#ifndef QUAD_MAX 67#define QUAD_MAX INT64_MAX 68#endif 69 70#ifndef GID_MAX 71#define GID_MAX ((gid_t)-1) 72#endif 73 74#ifndef UID_MAX 75#define UID_MAX ((uid_t)-1) 76#endif 77 78#ifdef __GLIBC__ 79#ifndef _LIBC_LIMITS_H_ 80#error "DIDN't include correct limits?" 81#endif 82 83#ifndef __USE_XOPEN 84#warning __USE_XOPEN should be defined (did you forget to set _GNU_SOURCE?) 85#endif 86 87#include <sys/types.h> 88#include <sys/uio.h> /* For IOV_MAX */ 89 90/* Sanity checks for glibc */ 91#ifndef _GNU_SOURCE 92#error _GNU_SOURCE not defined 93#endif 94 95#ifndef __USE_POSIX 96#warning __USE_POSIX not defined 97#endif 98 99#if defined __GNUC__ && !defined _GCC_LIMITS_H_ 100#error "GCC limits not included" 101#endif 102 103#ifndef __OFF_T_MATCHES_OFF64_T 104#error "Expected 64-bit off_t" 105#endif 106 107#ifndef _POSIX_PATH_MAX 108#define _POSIX_PATH_MAX PATH_MAX 109#endif 110#endif 111