/* * Copyright (c) 2005 Martin Decky * Copyright (c) 2006 Josef Cejka * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /** @addtogroup libc * @{ */ /** @file */ // XXX: The definition of `assert()` is not guarded. // One must not use `#pragma once` in this header. // This is in accordance with the C standard. #ifndef _LIBC_ASSERT_H_ #define _LIBC_ASSERT_H_ #include <_bits/decls.h> #ifndef __cplusplus #define static_assert _Static_assert #endif __C_DECLS_BEGIN; extern void __helenos_assert_abort(const char *, const char *, unsigned int) __attribute__((noreturn)); extern void __helenos_assert_quick_abort(const char *, const char *, unsigned int) __attribute__((noreturn)); __C_DECLS_END; #endif /** Debugging assert macro * * If NDEBUG is not set, the assert() macro * evaluates expr and if it is false prints * error message and terminate program. * * @param expr Expression which is expected to be true. * */ #undef assert #ifndef NDEBUG #define assert(expr) ((expr) ? (void) 0 : __helenos_assert_abort(#expr, __FILE__, __LINE__)) #else #define assert(expr) ((void) 0) #endif #ifdef _HELENOS_SOURCE #undef safe_assert #ifndef NDEBUG #define safe_assert(expr) ((expr) ? (void) 0 : __helenos_assert_quick_abort(#expr, __FILE__, __LINE__)) #else #define safe_assert(expr) ((void) 0) #endif #endif /* _HELENOS_SOURCE */ /** @} */