AlkantarClanX12
Current Path : /opt/alt/ruby32/include/ruby/internal/ |
Current File : //opt/alt/ruby32/include/ruby/internal/stdbool.h |
#ifndef RBIMPL_STDBOOL_H /*-*-C++-*-vi:se ft=cpp:*/ #define RBIMPL_STDBOOL_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @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. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief C99 shim for <stdbool.h> */ #include "ruby/internal/config.h" #if defined(__bool_true_false_are_defined) # /* Take that. */ #elif defined(__cplusplus) # /* bool is a keyword in C++. */ # if defined(HAVE_STDBOOL_H) && (__cplusplus >= 201103L) # include <cstdbool> # endif # # ifndef __bool_true_false_are_defined # define __bool_true_false_are_defined # endif #elif defined(HAVE_STDBOOL_H) # /* Take stdbool.h definition. */ # include <stdbool.h> #elif !defined(HAVE__BOOL) typedef unsigned char _Bool; # /* 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 #endif /* RBIMPL_STDBOOL_H */