1 /*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)assert.h 8.2 (Berkeley) 1/21/94 39 * $FreeBSD: src/include/assert.h,v 1.4 2002/03/23 17:24:53 imp Exp $ 40 */ 41 42 #include <sys/cdefs.h> 43 #ifdef __cplusplus 44 #include <stdlib.h> 45 #endif /* __cplusplus */ 46 47 /* 48 * Unlike other ANSI header files, <assert.h> may usefully be included 49 * multiple times, with and without NDEBUG defined. 50 */ 51 52 #undef assert 53 #undef __assert 54 55 #ifdef NDEBUG 56 #define assert(e) ((void)0) 57 #else 58 59 #ifndef __GNUC__ 60 61 __BEGIN_DECLS 62 #ifndef __cplusplus 63 void abort(void) __dead2 __cold; 64 #endif /* !__cplusplus */ 65 int printf(const char * __restrict, ...); 66 __END_DECLS 67 68 #define assert(e) \ 69 ((void) ((e) ? ((void)0) : __assert (#e, __FILE__, __LINE__))) 70 #define __assert(e, file, line) \ 71 ((void)printf ("%s:%d: failed assertion `%s'\n", file, line, e), abort()) 72 73 #else /* __GNUC__ */ 74 75 __BEGIN_DECLS 76 void __assert_rtn(const char *, const char *, int, const char *) __dead2 __cold __disable_tail_calls; 77 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1070) 78 void __eprintf(const char *, const char *, unsigned, const char *) __dead2 __cold; 79 #endif 80 __END_DECLS 81 82 #if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0) < 1070) 83 #define __assert(e, file, line) \ 84 __eprintf ("%s:%d: failed assertion `%s'\n", file, line, e) 85 #else 86 /* 8462256: modified __assert_rtn() replaces deprecated __eprintf() */ 87 #define __assert(e, file, line) \ 88 __assert_rtn ((const char *)-1L, file, line, e) 89 #endif 90 91 #if __DARWIN_UNIX03 92 #define assert(e) \ 93 (__builtin_expect(!(e), 0) ? __assert_rtn(__func__, __FILE__, __LINE__, #e) : (void)0) 94 #else /* !__DARWIN_UNIX03 */ 95 #define assert(e) \ 96 (__builtin_expect(!(e), 0) ? __assert (#e, __FILE__, __LINE__) : (void)0) 97 #endif /* __DARWIN_UNIX03 */ 98 99 #endif /* __GNUC__ */ 100 #endif /* NDEBUG */ 101 102 #ifndef _ASSERT_H_ 103 #define _ASSERT_H_ 104 105 #ifndef __cplusplus 106 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L 107 #define static_assert _Static_assert 108 #endif /* __STDC_VERSION__ */ 109 #endif /* !__cplusplus */ 110 111 #endif /* _ASSERT_H_ */