Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/platform/FileHandle.cpp@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

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marcozecchini 0:9fca2b23d0ba 1 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2006-2016 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16 #include "FileHandle.h"
marcozecchini 0:9fca2b23d0ba 17 #include "platform/mbed_retarget.h"
marcozecchini 0:9fca2b23d0ba 18 #include "platform/mbed_critical.h"
marcozecchini 0:9fca2b23d0ba 19
marcozecchini 0:9fca2b23d0ba 20 namespace mbed {
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 off_t FileHandle::size()
marcozecchini 0:9fca2b23d0ba 23 {
marcozecchini 0:9fca2b23d0ba 24 /* remember our current position */
marcozecchini 0:9fca2b23d0ba 25 off_t off = seek(0, SEEK_CUR);
marcozecchini 0:9fca2b23d0ba 26 if (off < 0) {
marcozecchini 0:9fca2b23d0ba 27 return off;
marcozecchini 0:9fca2b23d0ba 28 }
marcozecchini 0:9fca2b23d0ba 29 /* seek to the end to get the file length */
marcozecchini 0:9fca2b23d0ba 30 off_t size = seek(0, SEEK_END);
marcozecchini 0:9fca2b23d0ba 31 /* return to our old position */
marcozecchini 0:9fca2b23d0ba 32 seek(off, SEEK_SET);
marcozecchini 0:9fca2b23d0ba 33 return size;
marcozecchini 0:9fca2b23d0ba 34 }
marcozecchini 0:9fca2b23d0ba 35
marcozecchini 0:9fca2b23d0ba 36 std::FILE *fdopen(FileHandle *fh, const char *mode)
marcozecchini 0:9fca2b23d0ba 37 {
marcozecchini 0:9fca2b23d0ba 38 return mbed_fdopen(fh, mode);
marcozecchini 0:9fca2b23d0ba 39 }
marcozecchini 0:9fca2b23d0ba 40
marcozecchini 0:9fca2b23d0ba 41 } // namespace mbed