File: [local] / src / include / assert.h (download)
Revision 1.15, Sun Sep 6 12:57:25 2020 UTC (3 years, 8 months ago) by millert
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, HEAD Changes since 1.14: +2 -2 lines
Use __STDC_VERSION__ instead of __ISO_C_VISIBLE to guard _Static_assert.
We need to test what the compiler supports, not what the C library
provides. This prevents static_assert from being defined when compiling
with the in-tree gcc (4.2.1) which does not support _Static_assert.
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/* $OpenBSD: assert.h,v 1.15 2020/09/06 12:57:25 millert Exp $ */
/* $NetBSD: assert.h,v 1.6 1994/10/26 00:55:44 cgd Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)assert.h 8.2 (Berkeley) 1/21/94
*/
/*
* Unlike other ANSI header files, <assert.h> may usefully be included
* multiple times, with and without NDEBUG defined.
*/
#include <sys/cdefs.h>
#undef assert
#undef _assert
#ifdef NDEBUG
# define assert(e) ((void)0)
# define _assert(e) ((void)0)
#else
# define _assert(e) assert(e)
# if __ISO_C_VISIBLE >= 1999
# define assert(e) ((e) ? (void)0 : __assert2(__FILE__, __LINE__, __func__, #e))
# else
# define assert(e) ((e) ? (void)0 : __assert(__FILE__, __LINE__, #e))
# endif
#endif
#ifndef _ASSERT_H_
#define _ASSERT_H_
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112
#define static_assert _Static_assert
#endif
__BEGIN_DECLS
__dead void __assert(const char *, int, const char *);
__dead void __assert2(const char *, int, const char *, const char *);
__END_DECLS
#endif