Current File : //proc/self/root/opt/alt/ruby32/include/ruby/internal/core/rfile.h
#ifndef RBIMPL_RFILE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_RFILE_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 Defines struct ::RFile.
*/
#include "ruby/internal/core/rbasic.h"
#include "ruby/internal/cast.h"
/* rb_io_t is in ruby/io.h. The header file has historically not been included
* into ruby/ruby.h. We follow that tradition. */
struct rb_io_t;
/**
* Ruby's File and IO. Ruby's IO are not just file descriptors. They have
* buffers. They also have encodings. Various information are controlled
* using this struct.
*/
struct RFile {
/** Basic part, including flags and class. */
struct RBasic basic;
/** IO's specific fields. */
struct rb_io_t *fptr;
};
/**
* Convenient casting macro.
*
* @param obj An object, which is in fact an ::RFile.
* @return The passed object casted to ::RFile.
*/
#define RFILE(obj) RBIMPL_CAST((struct RFile *)(obj))
#endif /* RBIMPL_RFILE_H */
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