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platform/FileSystemHandle.h@178:d650f5d4c87a, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 13:50:44 2017 +0000
Revision:
178:d650f5d4c87a
Parent:
169:9672193075cf 
This updates the lib to the mbed lib v 155

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 168:e84263d55307 1 /* mbed Microcontroller Library
AnnaBridge 168:e84263d55307 2 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 168:e84263d55307 3 *
AnnaBridge 168:e84263d55307 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 168:e84263d55307 5 * you may not use this file except in compliance with the License.
AnnaBridge 168:e84263d55307 6 * You may obtain a copy of the License at
AnnaBridge 168:e84263d55307 7 *
AnnaBridge 168:e84263d55307 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 168:e84263d55307 9 *
AnnaBridge 168:e84263d55307 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 168:e84263d55307 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 168:e84263d55307 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 168:e84263d55307 13 * See the License for the specific language governing permissions and
AnnaBridge 168:e84263d55307 14 * limitations under the License.
AnnaBridge 168:e84263d55307 15 */
AnnaBridge 168:e84263d55307 16 #ifndef MBED_FILESYSTEMHANDLE_H
AnnaBridge 168:e84263d55307 17 #define MBED_FILESYSTEMHANDLE_H
AnnaBridge 168:e84263d55307 18
AnnaBridge 168:e84263d55307 19 #include "platform/platform.h"
AnnaBridge 168:e84263d55307 20
AnnaBridge 168:e84263d55307 21 #include "platform/FileBase.h"
AnnaBridge 168:e84263d55307 22 #include "platform/FileHandle.h"
AnnaBridge 168:e84263d55307 23 #include "platform/DirHandle.h"
AnnaBridge 169:9672193075cf 24 #include "platform/NonCopyable.h"
AnnaBridge 168:e84263d55307 25
AnnaBridge 168:e84263d55307 26 namespace mbed {
AnnaBridge 178:d650f5d4c87a 27 /** \addtogroup platform */
AnnaBridge 168:e84263d55307 28 /** @{*/
AnnaBridge 168:e84263d55307 29
AnnaBridge 168:e84263d55307 30
AnnaBridge 168:e84263d55307 31 /** A filesystem-like object is one that can be used to open file-like
AnnaBridge 168:e84263d55307 32 * objects though it by fopen("/name/filename", mode)
AnnaBridge 168:e84263d55307 33 *
AnnaBridge 168:e84263d55307 34 * Implementations must define at least open (the default definitions
AnnaBridge 168:e84263d55307 35 * of the rest of the functions just return error values).
AnnaBridge 168:e84263d55307 36 *
AnnaBridge 168:e84263d55307 37 * @note Synchronization level: Set by subclass
AnnaBridge 168:e84263d55307 38 */
AnnaBridge 169:9672193075cf 39 class FileSystemHandle : private NonCopyable<FileSystemHandle> {
AnnaBridge 168:e84263d55307 40 public:
AnnaBridge 168:e84263d55307 41 /** FileSystemHandle lifetime
AnnaBridge 168:e84263d55307 42 */
AnnaBridge 168:e84263d55307 43 virtual ~FileSystemHandle() {}
AnnaBridge 168:e84263d55307 44
AnnaBridge 168:e84263d55307 45 /** Open a file on the filesystem
AnnaBridge 168:e84263d55307 46 *
AnnaBridge 168:e84263d55307 47 * @param file Destination for the handle to a newly created file
AnnaBridge 168:e84263d55307 48 * @param filename The name of the file to open
AnnaBridge 168:e84263d55307 49 * @param flags The flags to open the file in, one of O_RDONLY, O_WRONLY, O_RDWR,
AnnaBridge 168:e84263d55307 50 * bitwise or'd with one of O_CREAT, O_TRUNC, O_APPEND
AnnaBridge 168:e84263d55307 51 * @return 0 on success, negative error code on failure
AnnaBridge 168:e84263d55307 52 */
AnnaBridge 168:e84263d55307 53 virtual int open(FileHandle **file, const char *filename, int flags) = 0;
AnnaBridge 168:e84263d55307 54
AnnaBridge 168:e84263d55307 55 /** Open a directory on the filesystem
AnnaBridge 168:e84263d55307 56 *
AnnaBridge 168:e84263d55307 57 * @param dir Destination for the handle to the directory
AnnaBridge 168:e84263d55307 58 * @param path Name of the directory to open
AnnaBridge 168:e84263d55307 59 * @return 0 on success, negative error code on failure
AnnaBridge 168:e84263d55307 60 */
AnnaBridge 168:e84263d55307 61 virtual int open(DirHandle **dir, const char *path);
AnnaBridge 168:e84263d55307 62
AnnaBridge 168:e84263d55307 63 /** Remove a file from the filesystem.
AnnaBridge 168:e84263d55307 64 *
AnnaBridge 168:e84263d55307 65 * @param path The name of the file to remove.
AnnaBridge 168:e84263d55307 66 * @return 0 on success, negative error code on failure
AnnaBridge 168:e84263d55307 67 */
AnnaBridge 168:e84263d55307 68 virtual int remove(const char *path);
AnnaBridge 168:e84263d55307 69
AnnaBridge 168:e84263d55307 70 /** Rename a file in the filesystem.
AnnaBridge 168:e84263d55307 71 *
AnnaBridge 168:e84263d55307 72 * @param path The name of the file to rename.
AnnaBridge 168:e84263d55307 73 * @param newpath The name to rename it to
AnnaBridge 168:e84263d55307 74 * @return 0 on success, negative error code on failure
AnnaBridge 168:e84263d55307 75 */
AnnaBridge 168:e84263d55307 76 virtual int rename(const char *path, const char *newpath);
AnnaBridge 168:e84263d55307 77
AnnaBridge 168:e84263d55307 78 /** Store information about the file in a stat structure
AnnaBridge 168:e84263d55307 79 *
AnnaBridge 168:e84263d55307 80 * @param path The name of the file to find information about
AnnaBridge 168:e84263d55307 81 * @param st The stat buffer to write to
AnnaBridge 168:e84263d55307 82 * @return 0 on success, negative error code on failure
AnnaBridge 168:e84263d55307 83 */
AnnaBridge 168:e84263d55307 84 virtual int stat(const char *path, struct stat *st);
AnnaBridge 168:e84263d55307 85
AnnaBridge 168:e84263d55307 86 /** Create a directory in the filesystem.
AnnaBridge 168:e84263d55307 87 *
AnnaBridge 168:e84263d55307 88 * @param path The name of the directory to create.
AnnaBridge 168:e84263d55307 89 * @param mode The permissions with which to create the directory
AnnaBridge 168:e84263d55307 90 * @return 0 on success, negative error code on failure
AnnaBridge 168:e84263d55307 91 */
AnnaBridge 168:e84263d55307 92 virtual int mkdir(const char *path, mode_t mode);
AnnaBridge 168:e84263d55307 93 };
AnnaBridge 168:e84263d55307 94
AnnaBridge 168:e84263d55307 95
AnnaBridge 168:e84263d55307 96 } // namespace mbed
AnnaBridge 168:e84263d55307 97
AnnaBridge 168:e84263d55307 98 #endif
AnnaBridge 168:e84263d55307 99
AnnaBridge 168:e84263d55307 100 /** @}*/