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/*
* Portability wrapper around <stdbool.h>.
*
* Provides the bool and _Bool types and the true and false constants,
* following the C99 specification, on hosts that don't have stdbool.h. This
* logic is based heavily on the example in the Autoconf manual.
*
* The canonical version of this file is maintained in the rra-c-util package,
* which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
*
* Written by Russ Allbery <eagle@eyrie.org>
* Copyright 2008, 2011
* The Board of Trustees of the Leland Stanford Junior University
*
* Copying and distribution of this file, with or without modification, are
* permitted in any medium without royalty provided the copyright notice and
* this notice are preserved. This file is offered as-is, without any
* warranty.
*
* SPDX-License-Identifier: FSFAP
*/
#ifndef PORTABLE_STDBOOL_H
#define PORTABLE_STDBOOL_H 1
/*
* Allow inclusion of config.h to be skipped, since sometimes we have to use a
* stripped-down version of config.h with a different name.
*/
#ifndef CONFIG_H_INCLUDED
# include <config.h>
#endif
#if HAVE_STDBOOL_H
# include <stdbool.h>
#else
# if HAVE__BOOL
# define bool _Bool
# else
# ifdef __cplusplus
typedef bool _Bool;
# elif _WIN32
# include <windef.h>
# define bool BOOL
# else
typedef unsigned char _Bool;
# define bool _Bool
# endif
# endif
# define false 0
# define true 1
# define __bool_true_false_are_defined 1
#endif
/*
* If we define bool and don't tell Perl, it will try to define its own and
* fail. Only of interest for programs that also include Perl headers.
*/
#ifndef HAS_BOOL
# define HAS_BOOL 1
#endif
#endif /* !PORTABLE_STDBOOL_H */
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