Takaaki Numai / mbed-dev

inport from local

Dependents:   Hobbyking_Cheetah_0511

platform/FileHandle.cpp@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NYX 0:85b3fd62ea1a 1 /* mbed Microcontroller Library
NYX 0:85b3fd62ea1a 2 * Copyright (c) 2006-2016 ARM Limited
NYX 0:85b3fd62ea1a 3 *
NYX 0:85b3fd62ea1a 4 * Licensed under the Apache License, Version 2.0 (the "License");
NYX 0:85b3fd62ea1a 5 * you may not use this file except in compliance with the License.
NYX 0:85b3fd62ea1a 6 * You may obtain a copy of the License at
NYX 0:85b3fd62ea1a 7 *
NYX 0:85b3fd62ea1a 8 * http://www.apache.org/licenses/LICENSE-2.0
NYX 0:85b3fd62ea1a 9 *
NYX 0:85b3fd62ea1a 10 * Unless required by applicable law or agreed to in writing, software
NYX 0:85b3fd62ea1a 11 * distributed under the License is distributed on an "AS IS" BASIS,
NYX 0:85b3fd62ea1a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
NYX 0:85b3fd62ea1a 13 * See the License for the specific language governing permissions and
NYX 0:85b3fd62ea1a 14 * limitations under the License.
NYX 0:85b3fd62ea1a 15 */
NYX 0:85b3fd62ea1a 16 #include "FileHandle.h"
NYX 0:85b3fd62ea1a 17 #include "platform/mbed_retarget.h"
NYX 0:85b3fd62ea1a 18 #include "platform/mbed_critical.h"
NYX 0:85b3fd62ea1a 19
NYX 0:85b3fd62ea1a 20 namespace mbed {
NYX 0:85b3fd62ea1a 21
NYX 0:85b3fd62ea1a 22 off_t FileHandle::size()
NYX 0:85b3fd62ea1a 23 {
NYX 0:85b3fd62ea1a 24 /* remember our current position */
NYX 0:85b3fd62ea1a 25 off_t off = seek(0, SEEK_CUR);
NYX 0:85b3fd62ea1a 26 if (off < 0) {
NYX 0:85b3fd62ea1a 27 return off;
NYX 0:85b3fd62ea1a 28 }
NYX 0:85b3fd62ea1a 29 /* seek to the end to get the file length */
NYX 0:85b3fd62ea1a 30 off_t size = seek(0, SEEK_END);
NYX 0:85b3fd62ea1a 31 /* return to our old position */
NYX 0:85b3fd62ea1a 32 seek(off, SEEK_SET);
NYX 0:85b3fd62ea1a 33 return size;
NYX 0:85b3fd62ea1a 34 }
NYX 0:85b3fd62ea1a 35
NYX 0:85b3fd62ea1a 36 std::FILE *fdopen(FileHandle *fh, const char *mode)
NYX 0:85b3fd62ea1a 37 {
NYX 0:85b3fd62ea1a 38 return mbed_fdopen(fh, mode);
NYX 0:85b3fd62ea1a 39 }
NYX 0:85b3fd62ea1a 40
NYX 0:85b3fd62ea1a 41 } // namespace mbed