mirror of https://github.com/ARMmbed/mbed-os.git
110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
/* mbed Microcontroller Library
|
|
* Copyright (c) 2006-2019 ARM Limited
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef MBED_FILESYSTEMHANDLE_H
|
|
#define MBED_FILESYSTEMHANDLE_H
|
|
|
|
#include "platform/platform.h"
|
|
|
|
#include "platform/FileHandle.h"
|
|
#include "platform/DirHandle.h"
|
|
#include "platform/NonCopyable.h"
|
|
|
|
namespace mbed {
|
|
/**
|
|
* \defgroup platform_FileSystemHandle FileSystemHandle functions
|
|
* \ingroup platform-public-api-file
|
|
* @{
|
|
*/
|
|
|
|
|
|
/** A filesystem-like object is one that can be used to open file-like
|
|
* objects though it by fopen("/name/filename", mode)
|
|
*
|
|
* Implementations must define at least open (the default definitions
|
|
* of the rest of the functions just return error values).
|
|
*
|
|
* @note Synchronization level: Set by subclass
|
|
*/
|
|
class FileSystemHandle : private NonCopyable<FileSystemHandle> {
|
|
public:
|
|
/** FileSystemHandle lifetime
|
|
*/
|
|
virtual ~FileSystemHandle() {}
|
|
|
|
/** Open a file on the filesystem
|
|
*
|
|
* @param file Destination for the handle to a newly created file
|
|
* @param filename The name of the file to open
|
|
* @param flags The flags to open the file in, one of O_RDONLY, O_WRONLY, O_RDWR,
|
|
* bitwise or'd with one of O_CREAT, O_TRUNC, O_APPEND
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int open(FileHandle **file, const char *filename, int flags) = 0;
|
|
|
|
/** Open a directory on the filesystem
|
|
*
|
|
* @param dir Destination for the handle to the directory
|
|
* @param path Name of the directory to open
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int open(DirHandle **dir, const char *path);
|
|
|
|
/** Remove a file from the filesystem.
|
|
*
|
|
* @param path The name of the file to remove.
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int remove(const char *path);
|
|
|
|
/** Rename a file in the filesystem.
|
|
*
|
|
* @param path The name of the file to rename.
|
|
* @param newpath The name to rename it to
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int rename(const char *path, const char *newpath);
|
|
|
|
/** Store information about the file in a stat structure
|
|
*
|
|
* @param path The name of the file to find information about
|
|
* @param st The stat buffer to write to
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int stat(const char *path, struct stat *st);
|
|
|
|
/** Create a directory in the filesystem.
|
|
*
|
|
* @param path The name of the directory to create.
|
|
* @param mode The permissions with which to create the directory
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int mkdir(const char *path, mode_t mode);
|
|
|
|
/** Store information about the mounted filesystem in a statvfs structure
|
|
*
|
|
* @param path The name of the file to find information about
|
|
* @param buf The stat buffer to write to
|
|
* @return 0 on success, negative error code on failure
|
|
*/
|
|
virtual int statvfs(const char *path, struct statvfs *buf);
|
|
};
|
|
/**@}*/
|
|
|
|
} // namespace mbed
|
|
|
|
#endif
|