inport from local
Dependents: Hobbyking_Cheetah_0511
platform/FileHandle.cpp@0:85b3fd62ea1a, 2020-03-16 (annotated)
- Committer:
- NYX
- Date:
- Mon Mar 16 06:35:48 2020 +0000
- Revision:
- 0:85b3fd62ea1a
reinport to mbed;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
NYX | 0:85b3fd62ea1a | 1 | /* mbed Microcontroller Library |
NYX | 0:85b3fd62ea1a | 2 | * Copyright (c) 2006-2016 ARM Limited |
NYX | 0:85b3fd62ea1a | 3 | * |
NYX | 0:85b3fd62ea1a | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
NYX | 0:85b3fd62ea1a | 5 | * you may not use this file except in compliance with the License. |
NYX | 0:85b3fd62ea1a | 6 | * You may obtain a copy of the License at |
NYX | 0:85b3fd62ea1a | 7 | * |
NYX | 0:85b3fd62ea1a | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
NYX | 0:85b3fd62ea1a | 9 | * |
NYX | 0:85b3fd62ea1a | 10 | * Unless required by applicable law or agreed to in writing, software |
NYX | 0:85b3fd62ea1a | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
NYX | 0:85b3fd62ea1a | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
NYX | 0:85b3fd62ea1a | 13 | * See the License for the specific language governing permissions and |
NYX | 0:85b3fd62ea1a | 14 | * limitations under the License. |
NYX | 0:85b3fd62ea1a | 15 | */ |
NYX | 0:85b3fd62ea1a | 16 | #include "FileHandle.h" |
NYX | 0:85b3fd62ea1a | 17 | #include "platform/mbed_retarget.h" |
NYX | 0:85b3fd62ea1a | 18 | #include "platform/mbed_critical.h" |
NYX | 0:85b3fd62ea1a | 19 | |
NYX | 0:85b3fd62ea1a | 20 | namespace mbed { |
NYX | 0:85b3fd62ea1a | 21 | |
NYX | 0:85b3fd62ea1a | 22 | off_t FileHandle::size() |
NYX | 0:85b3fd62ea1a | 23 | { |
NYX | 0:85b3fd62ea1a | 24 | /* remember our current position */ |
NYX | 0:85b3fd62ea1a | 25 | off_t off = seek(0, SEEK_CUR); |
NYX | 0:85b3fd62ea1a | 26 | if (off < 0) { |
NYX | 0:85b3fd62ea1a | 27 | return off; |
NYX | 0:85b3fd62ea1a | 28 | } |
NYX | 0:85b3fd62ea1a | 29 | /* seek to the end to get the file length */ |
NYX | 0:85b3fd62ea1a | 30 | off_t size = seek(0, SEEK_END); |
NYX | 0:85b3fd62ea1a | 31 | /* return to our old position */ |
NYX | 0:85b3fd62ea1a | 32 | seek(off, SEEK_SET); |
NYX | 0:85b3fd62ea1a | 33 | return size; |
NYX | 0:85b3fd62ea1a | 34 | } |
NYX | 0:85b3fd62ea1a | 35 | |
NYX | 0:85b3fd62ea1a | 36 | std::FILE *fdopen(FileHandle *fh, const char *mode) |
NYX | 0:85b3fd62ea1a | 37 | { |
NYX | 0:85b3fd62ea1a | 38 | return mbed_fdopen(fh, mode); |
NYX | 0:85b3fd62ea1a | 39 | } |
NYX | 0:85b3fd62ea1a | 40 | |
NYX | 0:85b3fd62ea1a | 41 | } // namespace mbed |