test
platform/FileHandle.cpp@2:4364577b5ad8, 2020-11-09 (annotated)
- Committer:
- elijahsj
- Date:
- Mon Nov 09 00:33:19 2020 -0500
- Revision:
- 2:4364577b5ad8
- Parent:
- 1:8a094db1347f
copied mbed library
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
elijahsj | 1:8a094db1347f | 1 | /* mbed Microcontroller Library |
elijahsj | 1:8a094db1347f | 2 | * Copyright (c) 2006-2016 ARM Limited |
elijahsj | 1:8a094db1347f | 3 | * |
elijahsj | 1:8a094db1347f | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
elijahsj | 1:8a094db1347f | 5 | * you may not use this file except in compliance with the License. |
elijahsj | 1:8a094db1347f | 6 | * You may obtain a copy of the License at |
elijahsj | 1:8a094db1347f | 7 | * |
elijahsj | 1:8a094db1347f | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
elijahsj | 1:8a094db1347f | 9 | * |
elijahsj | 1:8a094db1347f | 10 | * Unless required by applicable law or agreed to in writing, software |
elijahsj | 1:8a094db1347f | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
elijahsj | 1:8a094db1347f | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
elijahsj | 1:8a094db1347f | 13 | * See the License for the specific language governing permissions and |
elijahsj | 1:8a094db1347f | 14 | * limitations under the License. |
elijahsj | 1:8a094db1347f | 15 | */ |
elijahsj | 1:8a094db1347f | 16 | #include "FileHandle.h" |
elijahsj | 1:8a094db1347f | 17 | #include "platform/mbed_retarget.h" |
elijahsj | 1:8a094db1347f | 18 | #include "platform/mbed_critical.h" |
elijahsj | 1:8a094db1347f | 19 | |
elijahsj | 1:8a094db1347f | 20 | namespace mbed { |
elijahsj | 1:8a094db1347f | 21 | |
elijahsj | 1:8a094db1347f | 22 | off_t FileHandle::size() |
elijahsj | 1:8a094db1347f | 23 | { |
elijahsj | 1:8a094db1347f | 24 | /* remember our current position */ |
elijahsj | 1:8a094db1347f | 25 | off_t off = seek(0, SEEK_CUR); |
elijahsj | 1:8a094db1347f | 26 | if (off < 0) { |
elijahsj | 1:8a094db1347f | 27 | return off; |
elijahsj | 1:8a094db1347f | 28 | } |
elijahsj | 1:8a094db1347f | 29 | /* seek to the end to get the file length */ |
elijahsj | 1:8a094db1347f | 30 | off_t size = seek(0, SEEK_END); |
elijahsj | 1:8a094db1347f | 31 | /* return to our old position */ |
elijahsj | 1:8a094db1347f | 32 | seek(off, SEEK_SET); |
elijahsj | 1:8a094db1347f | 33 | return size; |
elijahsj | 1:8a094db1347f | 34 | } |
elijahsj | 1:8a094db1347f | 35 | |
elijahsj | 1:8a094db1347f | 36 | std::FILE *fdopen(FileHandle *fh, const char *mode) |
elijahsj | 1:8a094db1347f | 37 | { |
elijahsj | 1:8a094db1347f | 38 | return mbed_fdopen(fh, mode); |
elijahsj | 1:8a094db1347f | 39 | } |
elijahsj | 1:8a094db1347f | 40 | |
elijahsj | 1:8a094db1347f | 41 | } // namespace mbed |