Pedro Correia / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

platform/FileHandle.cpp@184:08ed48f1de7f, 2018-04-19 (annotated)

Committer:
AnnaBridge
Date:
Thu Apr 19 17:12:19 2018 +0100
Revision:
184:08ed48f1de7f
Parent:
167:e84263d55307 
mbed-dev library. Release version 161

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 167:e84263d55307 1 /* mbed Microcontroller Library
AnnaBridge 167:e84263d55307 2 * Copyright (c) 2006-2016 ARM Limited
AnnaBridge 167:e84263d55307 3 *
AnnaBridge 167:e84263d55307 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 167:e84263d55307 5 * you may not use this file except in compliance with the License.
AnnaBridge 167:e84263d55307 6 * You may obtain a copy of the License at
AnnaBridge 167:e84263d55307 7 *
AnnaBridge 167:e84263d55307 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 167:e84263d55307 9 *
AnnaBridge 167:e84263d55307 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 167:e84263d55307 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 167:e84263d55307 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 167:e84263d55307 13 * See the License for the specific language governing permissions and
AnnaBridge 167:e84263d55307 14 * limitations under the License.
AnnaBridge 167:e84263d55307 15 */
AnnaBridge 167:e84263d55307 16 #include "FileHandle.h"
AnnaBridge 167:e84263d55307 17 #include "platform/mbed_retarget.h"
AnnaBridge 167:e84263d55307 18 #include "platform/mbed_critical.h"
AnnaBridge 167:e84263d55307 19
AnnaBridge 167:e84263d55307 20 namespace mbed {
AnnaBridge 167:e84263d55307 21
AnnaBridge 167:e84263d55307 22 off_t FileHandle::size()
AnnaBridge 167:e84263d55307 23 {
AnnaBridge 167:e84263d55307 24 /* remember our current position */
AnnaBridge 167:e84263d55307 25 off_t off = seek(0, SEEK_CUR);
AnnaBridge 167:e84263d55307 26 if (off < 0) {
AnnaBridge 167:e84263d55307 27 return off;
AnnaBridge 167:e84263d55307 28 }
AnnaBridge 167:e84263d55307 29 /* seek to the end to get the file length */
AnnaBridge 167:e84263d55307 30 off_t size = seek(0, SEEK_END);
AnnaBridge 167:e84263d55307 31 /* return to our old position */
AnnaBridge 167:e84263d55307 32 seek(off, SEEK_SET);
AnnaBridge 167:e84263d55307 33 return size;
AnnaBridge 167:e84263d55307 34 }
AnnaBridge 167:e84263d55307 35
AnnaBridge 167:e84263d55307 36 } // namespace mbed