Kev Mann / mbed-dev-OS5_10_4

RTC auf true

platform/FileHandle.cpp@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2006-2016 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include "FileHandle.h"
kevman 0:38ceb79fef03 17 #include "platform/mbed_retarget.h"
kevman 0:38ceb79fef03 18 #include "platform/mbed_critical.h"
kevman 0:38ceb79fef03 19
kevman 0:38ceb79fef03 20 namespace mbed {
kevman 0:38ceb79fef03 21
kevman 0:38ceb79fef03 22 off_t FileHandle::size()
kevman 0:38ceb79fef03 23 {
kevman 0:38ceb79fef03 24 /* remember our current position */
kevman 0:38ceb79fef03 25 off_t off = seek(0, SEEK_CUR);
kevman 0:38ceb79fef03 26 if (off < 0) {
kevman 0:38ceb79fef03 27 return off;
kevman 0:38ceb79fef03 28 }
kevman 0:38ceb79fef03 29 /* seek to the end to get the file length */
kevman 0:38ceb79fef03 30 off_t size = seek(0, SEEK_END);
kevman 0:38ceb79fef03 31 /* return to our old position */
kevman 0:38ceb79fef03 32 seek(off, SEEK_SET);
kevman 0:38ceb79fef03 33 return size;
kevman 0:38ceb79fef03 34 }
kevman 0:38ceb79fef03 35
kevman 0:38ceb79fef03 36 } // namespace mbed