1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 /* 26 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 27 * Copyright 2016 Joyent, Inc. 28 * Copyright 2018 OmniOS Community Edition (OmniOSce) Association. 29 * Copyright 2023 Oxide Computer Company 30 * 31 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 32 * Use is subject to license terms. 33 */ 34 35 #ifndef _ASSERT_H 36 #define _ASSERT_H 37 38 #include <sys/feature_tests.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #if __STDC_VERSION__ - 0 >= 199901L 45 extern _NORETURN_KYWD void __assert_c99(const char *, const char *, int, 46 const char *) __NORETURN; 47 #else 48 extern _NORETURN_KYWD void __assert(const char *, const char *, int) __NORETURN; 49 #endif /* __STDC_VERSION__ - 0 >= 199901L */ 50 51 /* 52 * In C11 the static_assert macro is always defined, unlike the assert macro. 53 */ 54 #if __STDC_VERSION__ - 0 >= 201112L && !defined(__cplusplus) 55 #define static_assert _Static_assert 56 #endif /* __STDC_VERSION - 0 >= 201112L && !defined(__cplusplus) */ 57 58 #ifdef __cplusplus 59 } 60 #endif 61 62 #endif /* _ASSERT_H */ 63 64 /* 65 * Note that the ANSI C Standard requires all headers to be idempotent except 66 * <assert.h> which is explicitly required not to be idempotent (section 4.1.2). 67 * Therefore, it is by intent that the header guards (#ifndef _ASSERT_H) do 68 * not span this entire file. 69 */ 70 71 #undef assert 72 73 #ifdef NDEBUG 74 75 #define assert(EX) ((void)0) 76 77 #else 78 79 #if __STDC_VERSION__ - 0 >= 199901L 80 #define assert(EX) (void)((EX) || \ 81 (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0)) 82 #else 83 #define assert(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0)) 84 #endif /* __STDC_VERSION__ - 0 >= 199901L */ 85 86 #endif /* NDEBUG */ 87