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Dependents:   STM32_F103-C8T6basecanblink_led

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platform/FileSystemLike.h@185:08ed48f1de7f, 2018-04-19 (annotated)

Committer:
AnnaBridge
Date:
Thu Apr 19 17:12:19 2018 +0100
Revision:
185:08ed48f1de7f
Parent:
179:79309dc6340a 
mbed-dev library. Release version 161

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:e84263d55307 1 /* mbed Microcontroller Library
AnnaBridge 167:e84263d55307 2 * Copyright (c) 2006-2013 ARM Limited
AnnaBridge 167:e84263d55307 3 *
AnnaBridge 167:e84263d55307 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 167:e84263d55307 5 * you may not use this file except in compliance with the License.
AnnaBridge 167:e84263d55307 6 * You may obtain a copy of the License at
AnnaBridge 167:e84263d55307 7 *
AnnaBridge 167:e84263d55307 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 167:e84263d55307 9 *
AnnaBridge 167:e84263d55307 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 167:e84263d55307 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 167:e84263d55307 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 167:e84263d55307 13 * See the License for the specific language governing permissions and
AnnaBridge 167:e84263d55307 14 * limitations under the License.
AnnaBridge 167:e84263d55307 15 */
AnnaBridge 167:e84263d55307 16 #ifndef MBED_FILESYSTEMLIKE_H
AnnaBridge 167:e84263d55307 17 #define MBED_FILESYSTEMLIKE_H
AnnaBridge 167:e84263d55307 18
AnnaBridge 167:e84263d55307 19 #include "platform/platform.h"
AnnaBridge 167:e84263d55307 20
AnnaBridge 167:e84263d55307 21 #include "platform/FileSystemHandle.h"
AnnaBridge 167:e84263d55307 22 #include "platform/FileHandle.h"
AnnaBridge 167:e84263d55307 23 #include "platform/DirHandle.h"
AnnaBridge 168:9672193075cf 24 #include "platform/NonCopyable.h"
AnnaBridge 167:e84263d55307 25
AnnaBridge 167:e84263d55307 26 namespace mbed {
AnnaBridge 167:e84263d55307 27 /** \addtogroup platform */
AnnaBridge 179:79309dc6340a 28 /** @{*/
AnnaBridge 179:79309dc6340a 29 /**
AnnaBridge 179:79309dc6340a 30 * \defgroup platform_FileSystemLike FileSystemLike functions
AnnaBridge 179:79309dc6340a 31 * @{
AnnaBridge 179:79309dc6340a 32 */
AnnaBridge 167:e84263d55307 33
AnnaBridge 167:e84263d55307 34
AnnaBridge 167:e84263d55307 35 /** A filesystem-like object is one that can be used to open file-like
AnnaBridge 167:e84263d55307 36 * objects though it by fopen("/name/filename", mode)
AnnaBridge 167:e84263d55307 37 *
AnnaBridge 167:e84263d55307 38 * Implementations must define at least open (the default definitions
AnnaBridge 167:e84263d55307 39 * of the rest of the functions just return error values).
AnnaBridge 167:e84263d55307 40 *
AnnaBridge 167:e84263d55307 41 * @note Synchronization level: Set by subclass
AnnaBridge 167:e84263d55307 42 */
AnnaBridge 168:9672193075cf 43 class FileSystemLike : public FileSystemHandle, public FileBase, private NonCopyable<FileSystemLike> {
AnnaBridge 167:e84263d55307 44 public:
AnnaBridge 167:e84263d55307 45 /** FileSystemLike lifetime
AnnaBridge 167:e84263d55307 46 */
AnnaBridge 167:e84263d55307 47 FileSystemLike(const char *name = NULL) : FileBase(name, FileSystemPathType) {}
AnnaBridge 167:e84263d55307 48 virtual ~FileSystemLike() {}
AnnaBridge 167:e84263d55307 49
AnnaBridge 167:e84263d55307 50 // Inherited functions with name conflicts
AnnaBridge 167:e84263d55307 51 using FileSystemHandle::open;
AnnaBridge 167:e84263d55307 52
AnnaBridge 167:e84263d55307 53 /** Open a file on the filesystem
AnnaBridge 167:e84263d55307 54 *
AnnaBridge 167:e84263d55307 55 * @param path The name of the file to open
AnnaBridge 167:e84263d55307 56 * @param flags The flags to open the file in, one of O_RDONLY, O_WRONLY, O_RDWR,
AnnaBridge 167:e84263d55307 57 * bitwise or'd with one of O_CREAT, O_TRUNC, O_APPEND
AnnaBridge 167:e84263d55307 58 * @return A file handle on success, NULL on failure
AnnaBridge 167:e84263d55307 59 * @deprecated Replaced by `int open(FileHandle **, ...)` for propagating error codes
AnnaBridge 167:e84263d55307 60 */
AnnaBridge 167:e84263d55307 61 MBED_DEPRECATED_SINCE("mbed-os-5.5",
AnnaBridge 167:e84263d55307 62 "Replaced by `int open(FileHandle **, ...)` for propagating error codes")
AnnaBridge 167:e84263d55307 63 FileHandle *open(const char *path, int flags)
AnnaBridge 167:e84263d55307 64 {
AnnaBridge 167:e84263d55307 65 FileHandle *file;
AnnaBridge 167:e84263d55307 66 int err = open(&file, path, flags);
AnnaBridge 167:e84263d55307 67 return err ? NULL : file;
AnnaBridge 167:e84263d55307 68 }
AnnaBridge 167:e84263d55307 69
AnnaBridge 167:e84263d55307 70 /** Open a directory on the filesystem
AnnaBridge 167:e84263d55307 71 *
AnnaBridge 167:e84263d55307 72 * @param path Name of the directory to open
AnnaBridge 167:e84263d55307 73 * @return A directory handle on success, NULL on failure
AnnaBridge 167:e84263d55307 74 * @deprecated Replaced by `int open(DirHandle **, ...)` for propagating error codes
AnnaBridge 167:e84263d55307 75 */
AnnaBridge 167:e84263d55307 76 MBED_DEPRECATED_SINCE("mbed-os-5.5",
AnnaBridge 167:e84263d55307 77 "Replaced by `int open(DirHandle **, ...)` for propagating error codes")
AnnaBridge 167:e84263d55307 78 DirHandle *opendir(const char *path)
AnnaBridge 167:e84263d55307 79 {
AnnaBridge 167:e84263d55307 80 DirHandle *dir;
AnnaBridge 167:e84263d55307 81 int err = open(&dir, path);
AnnaBridge 167:e84263d55307 82 return err ? NULL : dir;
AnnaBridge 167:e84263d55307 83 }
AnnaBridge 167:e84263d55307 84 };
AnnaBridge 167:e84263d55307 85
AnnaBridge 179:79309dc6340a 86 /**@}*/
AnnaBridge 179:79309dc6340a 87
AnnaBridge 179:79309dc6340a 88 /**@}*/
AnnaBridge 167:e84263d55307 89
AnnaBridge 167:e84263d55307 90 } // namespace mbed
AnnaBridge 167:e84263d55307 91
AnnaBridge 167:e84263d55307 92 #endif