102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
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/*
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* utils/magic_stdbool.h
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*
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* Copyright (C) 1985, 1990 Regents of the University of California.
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*
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies. The University of California
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* makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without
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* express or implied warranty. Export of this software outside
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* of the United States of America may require an export license.
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*
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* SPDX-License-Identifier: HPND-UC-export-US
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*
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*
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* This file contains code snippets that are part of the GNU autoconf 2.69
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* project documentation. This project is licensed under GPLv3 with a
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* Section 7 clause outlined in autoconf-2.69/COPYING.EXCEPTION.
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*
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* The documentation for the autoconf project is licensed under GNU Free
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* Documentation License Version 1.3 or any later version published by the
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* Free Software Foundation. The snippets in here are taken entirely from the
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* documentation so fall under GFDL-1.3-or-later terms.
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* The documentation published by the FSF can be seen at
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* https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/autoconf.html
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* This section seeks to provide attribution by providing references to the source
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* a link to the full license text and the required boilerplate text directly below:
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*
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* Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
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*
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* Permission is granted to copy, distribute and/or modify this
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* document under the terms of the GNU Free Documentation License,
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* Version 1.3 or any later version published by the Free Software
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* Foundation; with no Invariant Sections, no Front-Cover texts, and
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* no Back-Cover Texts. A copy of the license is included in the
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* section entitled "GNU Free Documentation License."
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*
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* A full copy of the GNU Free Documentation License version 1.3 is available at:
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* https://www.gnu.org/licenses/fdl-1.3.html
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* SPDX-License-Identifier: GFDL-1.3-or-later
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*
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*
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* All other lines in this file are licensed under the HPND-UC-export-US license
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* at the top of this file inline with the main project licensing.
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*
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*/
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#ifndef _MAGIC__UTILS__MAGIC_STDBOOL_H
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#define _MAGIC__UTILS__MAGIC_STDBOOL_H
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#ifdef HAVE_MAGIC_AUTOCONF_CONFIG_H
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#include "magic/autoconf/config.h"
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#endif
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/* This section is taken from autoconf-2.69 manual
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* https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Particular-Headers.html
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* for HAVE_STDBOOL_H
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*/
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#ifdef HAVE_STDBOOL_H
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# include <stdbool.h>
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#ifndef TRUE
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#define TRUE (true)
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#endif
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#ifndef FALSE
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#define FALSE (false)
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#endif
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#else
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# ifndef HAVE__BOOL
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# ifdef __cplusplus
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typedef bool _Bool;
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# else
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# define _Bool signed char
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# endif
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# endif
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# define bool _Bool
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# define false 0
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# define true 1
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# define __bool_true_false_are_defined 1
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/* This section is taken from magic project, see historical magic.h */
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/* originally magic.h used unsigned char but should be source compatible with
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* a real bool type such as that in C23/C++
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*/
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/*typedef unsigned char bool;*/
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/* commented out the original magic definition to adopt the historical C
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* standard definition provided above.
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*/
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#ifndef TRUE
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#define TRUE ((bool)1)
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#endif
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#ifndef FALSE
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#define FALSE ((bool)0)
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#endif
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#endif
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#endif /* _MAGIC__UTILS__MAGIC_STDBOOL_H */
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