35 lines
991 B
C
35 lines
991 B
C
#ifndef INTERNAL_STDBOOL_H /* -*- C -*- */
|
|
#define INTERNAL_STDBOOL_H
|
|
/**
|
|
* @file
|
|
* @brief Thin wrapper to <stdbool.h>
|
|
* @author \@shyouhei
|
|
* @copyright This file is a part of the programming language Ruby.
|
|
* Permission is hereby granted, to either redistribute and/or
|
|
* modify this file, provided that the conditions mentioned in the
|
|
* file COPYING are met. Consult the file for details.
|
|
*/
|
|
#include "ruby/config.h" /* for HAVE_STDBOOL_H */
|
|
|
|
#ifdef HAVE_STDBOOL_H
|
|
# include <stdbool.h>
|
|
#endif
|
|
|
|
/* Note that we assume the compiler isn't C++. */
|
|
#ifdef __bool_true_false_are_defined
|
|
# undef bool
|
|
# undef true
|
|
# undef false
|
|
# undef __bool_true_false_are_defined
|
|
#else
|
|
typedef unsigned char _Bool;
|
|
#endif
|
|
|
|
/* See also http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2229.htm */
|
|
#define bool _Bool
|
|
#define true ((_Bool)+1)
|
|
#define false ((_Bool)+0)
|
|
#define __bool_true_false_are_defined
|
|
|
|
#endif /* INTERNAL_STDBOOL_H */
|