87 lines
3.5 KiB
C
87 lines
3.5 KiB
C
/*-
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @file assert.h
|
|
* @brief Assertions.
|
|
*
|
|
* There's no include guard in this file because <assert.h> may usefully be
|
|
* included multiple times, with and without NDEBUG defined.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#undef assert
|
|
#undef __assert_no_op
|
|
|
|
/** Internal implementation detail. Do not use. */
|
|
#define __assert_no_op __BIONIC_CAST(static_cast, void, 0)
|
|
|
|
#ifdef NDEBUG
|
|
# define assert(e) __assert_no_op
|
|
#else
|
|
# if defined(__cplusplus) || __STDC_VERSION__ >= 199901L
|
|
# define assert(e) ((e) ? __assert_no_op : __assert2(__FILE__, __LINE__, __PRETTY_FUNCTION__, #e))
|
|
# else
|
|
/**
|
|
* assert() aborts the program after logging an error message, if the
|
|
* expression evaluates to false.
|
|
*
|
|
* On Android, the error goes to both stderr and logcat.
|
|
*/
|
|
# define assert(e) ((e) ? __assert_no_op : __assert(__FILE__, __LINE__, #e))
|
|
# endif
|
|
#endif
|
|
|
|
/* `static_assert` is a keyword in C++11 and C23; C11 had `_Static_assert` instead. */
|
|
#if !defined(__cplusplus) && (__STDC_VERSION__ >= 201112L && __STDC_VERSION__ < 202311L)
|
|
# undef static_assert
|
|
# define static_assert _Static_assert
|
|
#endif
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/**
|
|
* __assert() is called by assert() on failure. Most users want assert()
|
|
* instead, but this can be useful for reporting other failures.
|
|
*/
|
|
void __assert(const char* _Nonnull __file, int __line, const char* _Nonnull __msg) __noreturn;
|
|
|
|
/**
|
|
* __assert2() is called by assert() on failure. Most users want assert()
|
|
* instead, but this can be useful for reporting other failures.
|
|
*/
|
|
void __assert2(const char* _Nonnull __file, int __line, const char* _Nonnull __function, const char* _Nonnull __msg) __noreturn;
|
|
|
|
__END_DECLS
|