/*-
* 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
#ifdef NDEBUG
/**
* assert ( ) does nothing when NDEBUG is defined .
*/
# define assert(...) ((void ) 0 )
#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(...) \
((__VA_ARGS__) \
? (void ) 0 \
: __assert2(__FILE__, __LINE__, __PRETTY_FUNCTION__, #_ _VA_ARGS__))
#endif
/* `static_assert` is a keyword in C++11 and C23; C11 had `_Static_assert` instead. */
#if !defined (__cplusplus) && (__STDC_VERSION__ >= 201112 L && __STDC_VERSION__ < 202311 L)
# undef static_assert
# define static_assert _Static_assert
#endif
__BEGIN_DECLS
/**
* _ _ assert ( ) was called by assert ( ) on failure when compiled for C89 .
* 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
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(vorverarbeitet am 2026-06-28)
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