mirror of https://github.com/ARMmbed/mbed-os.git
112 lines
2.2 KiB
C++
112 lines
2.2 KiB
C++
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/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed.h"
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#include "filesystem/FileSystem.h"
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#include <errno.h>
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FileSystem::FileSystem(const char *name)
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: FileBase(name, FileSystemPathType)
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{
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}
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int FileSystem::file_sync(fs_file_t file)
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{
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return 0;
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}
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int FileSystem::file_isatty(fs_file_t file)
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{
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return false;
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}
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off_t FileSystem::file_tell(fs_file_t file)
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{
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return file_seek(file, 0, SEEK_CUR);
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}
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void FileSystem::file_rewind(fs_file_t file)
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{
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file_seek(file, 0, SEEK_SET);
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}
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size_t FileSystem::file_size(fs_file_t file)
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{
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off_t off = file_tell(file);
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size_t size = file_seek(file, 0, SEEK_END);
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file_seek(file, off, SEEK_SET);
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return size;
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}
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int FileSystem::mkdir(const char *path, mode_t mode)
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{
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return -ENOSYS;
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}
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int FileSystem::dir_open(fs_dir_t *dir, const char *path)
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{
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return -ENOSYS;
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}
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int FileSystem::dir_close(fs_dir_t dir)
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{
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return -ENOSYS;
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}
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ssize_t FileSystem::dir_read(fs_dir_t dir, struct dirent *ent)
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{
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return -ENOSYS;
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}
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void FileSystem::dir_seek(fs_dir_t dir, off_t offset)
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{
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}
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off_t FileSystem::dir_tell(fs_dir_t dir)
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{
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return 0;
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}
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void FileSystem::dir_rewind(fs_dir_t dir)
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{
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// Note, the may not satisfy rewind on all filesystems
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dir_seek(dir, 0);
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}
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size_t FileSystem::dir_size(fs_dir_t dir)
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{
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off_t off = dir_tell(dir);
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size_t size = 0;
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struct dirent *ent = new struct dirent;
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dir_rewind(dir);
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while (true) {
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int res = dir_read(dir, ent);
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if (res <= 0) {
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break;
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}
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size += 1;
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}
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dir_seek(dir, off);
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delete ent;
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return size;
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}
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