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platform/FileSystemHandle.h
- Committer:
- thedo
- Date:
- 2017-06-29
- Revision:
- 166:3a9487d57a5c
File content as of revision 166:3a9487d57a5c:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * 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/FileBase.h" #include "platform/FileHandle.h" #include "platform/DirHandle.h" namespace mbed { /** \addtogroup drivers */ /** @{*/ /** 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 { 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); }; } // namespace mbed #endif /** @}*/