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Edit File: 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 */