
BBR 1 Ebene
Diff: mbed-os/platform/FileHandle.cpp
- Revision:
- 0:fbdae7e6d805
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/platform/FileHandle.cpp Mon May 14 11:29:06 2018 +0000 @@ -0,0 +1,36 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2016 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "FileHandle.h" +#include "platform/mbed_retarget.h" +#include "platform/mbed_critical.h" + +namespace mbed { + +off_t FileHandle::size() +{ + /* remember our current position */ + off_t off = seek(0, SEEK_CUR); + if (off < 0) { + return off; + } + /* seek to the end to get the file length */ + off_t size = seek(0, SEEK_END); + /* return to our old position */ + seek(off, SEEK_SET); + return size; +} + +} // namespace mbed