112f210647
There is no way one could possibly use this header file in combination with C++ code. The problem is that in C11 the `noreturn' macro expands to the `_Noreturn' function specifier, while in C++11 the `noreturn' keyword is an attribute. So in C11 you have to write: noreturn void exit(int status); While in C++11 you have to write: [[noreturn]] void exit(int status); It is impossible to #define noreturn for C++ in such a way that it allows both conventions. By intentionally breaking this header this way, we prevent people from using this header in their C++<11 sources.
39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
/*-
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* Copyright (c) 2012 Ed Schouten <ed@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifdef __cplusplus
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#error "<stdnoreturn.h> cannot be used in combination with C++11."
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#endif
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#ifndef noreturn
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#include <sys/cdefs.h>
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#define noreturn _Noreturn
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#endif /* !noreturn */
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