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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)assert.h 8.2 (Berkeley) 1/21/94 35 * $FreeBSD$ 36 */ 37 38 #include <sys/cdefs.h> 39 40 /* 41 * Unlike other ANSI header files, <assert.h> may usefully be included 42 * multiple times, with and without NDEBUG defined. 43 */ 44 45 #undef assert 46 #undef _assert 47 48 #ifdef NDEBUG 49 #define assert(e) ((void)0) 50 #define _assert(e) ((void)0) 51 #else 52 #define _assert(e) assert(e) 53 54 #define assert(e) ((e) ? (void)0 : __assert(__func__, __FILE__, \ 55 __LINE__, #e)) 56 #endif /* NDEBUG */ 57 58 #ifndef _ASSERT_H_ 59 #define _ASSERT_H_ 60 61 /* 62 * Static assertions. In principle we could define static_assert for 63 * C++ older than C++11, but this breaks if _Static_assert is 64 * implemented as a macro. 65 * 66 * C++ template parameters may contain commas, even if not enclosed in 67 * parentheses, causing the _Static_assert macro to be invoked with more 68 * than two parameters. 69 */ 70 #if __ISO_C_VISIBLE >= 2011 && !defined(__cplusplus) 71 #define static_assert _Static_assert 72 #endif 73 74 __BEGIN_DECLS 75 void __assert(const char *, const char *, int, const char *) __dead2; 76 __END_DECLS 77 78 #endif /* !_ASSERT_H_ */ 79