1d1d32c3dSAlex Richardson /*- 2d1d32c3dSAlex Richardson * SPDX-License-Identifier: BSD-2-Clause 3d1d32c3dSAlex Richardson * 4d1d32c3dSAlex Richardson * Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org> 5d1d32c3dSAlex Richardson * 6d1d32c3dSAlex Richardson * This software was developed by SRI International and the University of 7d1d32c3dSAlex Richardson * Cambridge Computer Laboratory (Department of Computer Science and 8d1d32c3dSAlex Richardson * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the 9d1d32c3dSAlex Richardson * DARPA SSITH research programme. 10d1d32c3dSAlex Richardson * 11d1d32c3dSAlex Richardson * This software was developed by SRI International and the University of 12d1d32c3dSAlex Richardson * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 13d1d32c3dSAlex Richardson * ("CTSRD"), as part of the DARPA CRASH research programme. 14d1d32c3dSAlex Richardson * 15d1d32c3dSAlex Richardson * Redistribution and use in source and binary forms, with or without 16d1d32c3dSAlex Richardson * modification, are permitted provided that the following conditions 17d1d32c3dSAlex Richardson * are met: 18d1d32c3dSAlex Richardson * 1. Redistributions of source code must retain the above copyright 19d1d32c3dSAlex Richardson * notice, this list of conditions and the following disclaimer. 20d1d32c3dSAlex Richardson * 2. Redistributions in binary form must reproduce the above copyright 21d1d32c3dSAlex Richardson * notice, this list of conditions and the following disclaimer in the 22d1d32c3dSAlex Richardson * documentation and/or other materials provided with the distribution. 23d1d32c3dSAlex Richardson * 24d1d32c3dSAlex Richardson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25d1d32c3dSAlex Richardson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26d1d32c3dSAlex Richardson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27d1d32c3dSAlex Richardson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28d1d32c3dSAlex Richardson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29d1d32c3dSAlex Richardson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30d1d32c3dSAlex Richardson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31d1d32c3dSAlex Richardson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32d1d32c3dSAlex Richardson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33d1d32c3dSAlex Richardson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34d1d32c3dSAlex Richardson * SUCH DAMAGE. 35d1d32c3dSAlex Richardson */ 36d1d32c3dSAlex Richardson #if __has_include_next(<limits.h>) 37d1d32c3dSAlex Richardson #include_next <limits.h> 38d1d32c3dSAlex Richardson #endif 39d1d32c3dSAlex Richardson 40d1d32c3dSAlex Richardson #if __has_include(<linux/limits.h>) 41d1d32c3dSAlex Richardson #include <linux/limits.h> 42d1d32c3dSAlex Richardson #endif 43d1d32c3dSAlex Richardson 44d1d32c3dSAlex Richardson #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L 45d1d32c3dSAlex Richardson #if !defined(_GNU_SOURCE) 46d1d32c3dSAlex Richardson #warning "Attempting to use limits.h with -std=c89/without _GNU_SOURCE, many macros will be missing" 47d1d32c3dSAlex Richardson #endif 48*0bdf2535SJessica Clarke #endif /* C89 */ 49d1d32c3dSAlex Richardson 50d1d32c3dSAlex Richardson #ifndef IOV_MAX 51d1d32c3dSAlex Richardson #error IOV_MAX should be defined 52d1d32c3dSAlex Richardson #endif 53d1d32c3dSAlex Richardson 54d1d32c3dSAlex Richardson #ifndef MAXBSIZE 55d1d32c3dSAlex Richardson #define MAXBSIZE 65536 /* must be power of 2 */ 56d1d32c3dSAlex Richardson #endif 57d1d32c3dSAlex Richardson 58d1d32c3dSAlex Richardson #ifndef OFF_MAX 59d1d32c3dSAlex Richardson #define OFF_MAX UINT64_MAX 60d1d32c3dSAlex Richardson #endif 61d1d32c3dSAlex Richardson 62d1d32c3dSAlex Richardson #ifndef QUAD_MAX 63d1d32c3dSAlex Richardson #define QUAD_MAX INT64_MAX 64d1d32c3dSAlex Richardson #endif 65d1d32c3dSAlex Richardson 66d1d32c3dSAlex Richardson #ifndef GID_MAX 67d1d32c3dSAlex Richardson #define GID_MAX ((gid_t)-1) 68d1d32c3dSAlex Richardson #endif 69d1d32c3dSAlex Richardson 70d1d32c3dSAlex Richardson #ifndef UID_MAX 71d1d32c3dSAlex Richardson #define UID_MAX ((uid_t)-1) 72d1d32c3dSAlex Richardson #endif 73d1d32c3dSAlex Richardson 74d1d32c3dSAlex Richardson #ifdef __GLIBC__ 75d1d32c3dSAlex Richardson #ifndef _LIBC_LIMITS_H_ 76d1d32c3dSAlex Richardson #error "DIDN't include correct limits?" 77d1d32c3dSAlex Richardson #endif 78d1d32c3dSAlex Richardson 79d1d32c3dSAlex Richardson #ifndef __USE_XOPEN 80d1d32c3dSAlex Richardson #warning __USE_XOPEN should be defined (did you forget to set _GNU_SOURCE?) 81d1d32c3dSAlex Richardson #endif 82d1d32c3dSAlex Richardson 83d1d32c3dSAlex Richardson #include <sys/types.h> 84d1d32c3dSAlex Richardson 85d1d32c3dSAlex Richardson /* Sanity checks for glibc */ 86d1d32c3dSAlex Richardson #ifndef _GNU_SOURCE 87d1d32c3dSAlex Richardson #error _GNU_SOURCE not defined 88d1d32c3dSAlex Richardson #endif 89d1d32c3dSAlex Richardson 90d1d32c3dSAlex Richardson #ifndef __USE_POSIX 91d1d32c3dSAlex Richardson #warning __USE_POSIX not defined 92d1d32c3dSAlex Richardson #endif 93d1d32c3dSAlex Richardson 94d1d32c3dSAlex Richardson #if defined __GNUC__ && !defined _GCC_LIMITS_H_ 95d1d32c3dSAlex Richardson #error "GCC limits not included" 96d1d32c3dSAlex Richardson #endif 97d1d32c3dSAlex Richardson 98d1d32c3dSAlex Richardson #ifndef __OFF_T_MATCHES_OFF64_T 99d1d32c3dSAlex Richardson #error "Expected 64-bit off_t" 100d1d32c3dSAlex Richardson #endif 101d1d32c3dSAlex Richardson 102d1d32c3dSAlex Richardson #ifndef _POSIX_PATH_MAX 103d1d32c3dSAlex Richardson #define _POSIX_PATH_MAX PATH_MAX 104d1d32c3dSAlex Richardson #endif 105d1d32c3dSAlex Richardson #endif 106