llvm/libc/src/__support/File/file.h

//===--- A platform independent file data structure -------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_SRC___SUPPORT_FILE_FILE_H
#define LLVM_LIBC_SRC___SUPPORT_FILE_FILE_H

#include "hdr/stdio_macros.h"
#include "hdr/types/off_t.h"
#include "src/__support/CPP/new.h"
#include "src/__support/error_or.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/architectures.h"
#include "src/__support/threads/mutex.h"

#include <stddef.h>
#include <stdint.h>

namespace LIBC_NAMESPACE_DECL {

struct FileIOResult { … };

// This a generic base class to encapsulate a platform independent file data
// structure. Platform specific specializations should create a subclass as
// suitable for their platform.
class File { … };

// The implementaiton of this function is provided by the platform_file
// library.
ErrorOr<File *> openfile(const char *path, const char *mode);

// The platform_file library should implement it if it relevant for that
// platform.
int get_fileno(File *f);

extern File *stdin;
extern File *stdout;
extern File *stderr;

} // namespace LIBC_NAMESPACE_DECL

#endif // LLVM_LIBC_SRC___SUPPORT_FILE_FILE_H