Kenji Arai / mbed-os_TYBLE16

mbed-os5 only for TYBLE16

Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

features/storage/filesystem/Dir.cpp@1:9db0e321a9f4, 2019-12-31 (annotated)

Committer:
kenjiArai
Date:
Tue Dec 31 06:02:27 2019 +0000
Revision:
1:9db0e321a9f4
Parent:
0:5b88d5760320 
updated based on mbed-os5.15.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 0:5b88d5760320 1 /* mbed Microcontroller Library
kenjiArai 0:5b88d5760320 2 * Copyright (c) 2015 ARM Limited
kenjiArai 0:5b88d5760320 3 *
kenjiArai 0:5b88d5760320 4 * Licensed under the Apache License, Version 2.0 (the "License");
kenjiArai 0:5b88d5760320 5 * you may not use this file except in compliance with the License.
kenjiArai 0:5b88d5760320 6 * You may obtain a copy of the License at
kenjiArai 0:5b88d5760320 7 *
kenjiArai 0:5b88d5760320 8 * http://www.apache.org/licenses/LICENSE-2.0
kenjiArai 0:5b88d5760320 9 *
kenjiArai 0:5b88d5760320 10 * Unless required by applicable law or agreed to in writing, software
kenjiArai 0:5b88d5760320 11 * distributed under the License is distributed on an "AS IS" BASIS,
kenjiArai 0:5b88d5760320 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kenjiArai 0:5b88d5760320 13 * See the License for the specific language governing permissions and
kenjiArai 0:5b88d5760320 14 * limitations under the License.
kenjiArai 0:5b88d5760320 15 */
kenjiArai 0:5b88d5760320 16
kenjiArai 0:5b88d5760320 17 #include "Dir.h"
kenjiArai 0:5b88d5760320 18 #include <errno.h>
kenjiArai 0:5b88d5760320 19
kenjiArai 0:5b88d5760320 20 namespace mbed {
kenjiArai 0:5b88d5760320 21
kenjiArai 0:5b88d5760320 22 Dir::Dir()
kenjiArai 0:5b88d5760320 23 : _fs(0), _dir(0)
kenjiArai 0:5b88d5760320 24 {
kenjiArai 0:5b88d5760320 25 }
kenjiArai 0:5b88d5760320 26
kenjiArai 0:5b88d5760320 27 Dir::Dir(FileSystem *fs, const char *path)
kenjiArai 0:5b88d5760320 28 : _fs(0), _dir(0)
kenjiArai 0:5b88d5760320 29 {
kenjiArai 0:5b88d5760320 30 open(fs, path);
kenjiArai 0:5b88d5760320 31 }
kenjiArai 0:5b88d5760320 32
kenjiArai 0:5b88d5760320 33 Dir::~Dir()
kenjiArai 0:5b88d5760320 34 {
kenjiArai 0:5b88d5760320 35 if (_fs) {
kenjiArai 0:5b88d5760320 36 close();
kenjiArai 0:5b88d5760320 37 }
kenjiArai 0:5b88d5760320 38 }
kenjiArai 0:5b88d5760320 39
kenjiArai 0:5b88d5760320 40 int Dir::open(FileSystem *fs, const char *path)
kenjiArai 0:5b88d5760320 41 {
kenjiArai 0:5b88d5760320 42 if (_fs) {
kenjiArai 0:5b88d5760320 43 return -EINVAL;
kenjiArai 0:5b88d5760320 44 }
kenjiArai 0:5b88d5760320 45
kenjiArai 0:5b88d5760320 46 int err = fs->dir_open(&_dir, path);
kenjiArai 0:5b88d5760320 47 if (!err) {
kenjiArai 0:5b88d5760320 48 _fs = fs;
kenjiArai 0:5b88d5760320 49 }
kenjiArai 0:5b88d5760320 50
kenjiArai 0:5b88d5760320 51 return err;
kenjiArai 0:5b88d5760320 52 }
kenjiArai 0:5b88d5760320 53
kenjiArai 0:5b88d5760320 54 int Dir::close()
kenjiArai 0:5b88d5760320 55 {
kenjiArai 0:5b88d5760320 56 if (!_fs) {
kenjiArai 0:5b88d5760320 57 return -EINVAL;
kenjiArai 0:5b88d5760320 58 }
kenjiArai 0:5b88d5760320 59
kenjiArai 0:5b88d5760320 60 int err = _fs->dir_close(_dir);
kenjiArai 0:5b88d5760320 61 _fs = 0;
kenjiArai 0:5b88d5760320 62 return err;
kenjiArai 0:5b88d5760320 63 }
kenjiArai 0:5b88d5760320 64
kenjiArai 0:5b88d5760320 65 ssize_t Dir::read(struct dirent *ent)
kenjiArai 0:5b88d5760320 66 {
kenjiArai 0:5b88d5760320 67 MBED_ASSERT(_fs);
kenjiArai 0:5b88d5760320 68 memset(ent, 0, sizeof(struct dirent));
kenjiArai 0:5b88d5760320 69 return _fs->dir_read(_dir, ent);
kenjiArai 0:5b88d5760320 70 }
kenjiArai 0:5b88d5760320 71
kenjiArai 0:5b88d5760320 72 void Dir::seek(off_t offset)
kenjiArai 0:5b88d5760320 73 {
kenjiArai 0:5b88d5760320 74 MBED_ASSERT(_fs);
kenjiArai 0:5b88d5760320 75 return _fs->dir_seek(_dir, offset);
kenjiArai 0:5b88d5760320 76 }
kenjiArai 0:5b88d5760320 77
kenjiArai 0:5b88d5760320 78 off_t Dir::tell()
kenjiArai 0:5b88d5760320 79 {
kenjiArai 0:5b88d5760320 80 MBED_ASSERT(_fs);
kenjiArai 0:5b88d5760320 81 return _fs->dir_tell(_dir);
kenjiArai 0:5b88d5760320 82 }
kenjiArai 0:5b88d5760320 83
kenjiArai 0:5b88d5760320 84 void Dir::rewind()
kenjiArai 0:5b88d5760320 85 {
kenjiArai 0:5b88d5760320 86 MBED_ASSERT(_fs);
kenjiArai 0:5b88d5760320 87 return _fs->dir_rewind(_dir);
kenjiArai 0:5b88d5760320 88 }
kenjiArai 0:5b88d5760320 89
kenjiArai 0:5b88d5760320 90 size_t Dir::size()
kenjiArai 0:5b88d5760320 91 {
kenjiArai 0:5b88d5760320 92 MBED_ASSERT(_fs);
kenjiArai 0:5b88d5760320 93 return _fs->dir_size(_dir);
kenjiArai 0:5b88d5760320 94 }
kenjiArai 0:5b88d5760320 95
kenjiArai 0:5b88d5760320 96 } // namespace mbed