Rahul Dahiya / Mbed OS STM32F7 Ethernet

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mbed-os/platform/FileHandle.cpp@0:fb8047b156bb, 2020-01-15 (annotated)

Committer:
rahul_dahiya
Date:
Wed Jan 15 15:57:15 2020 +0530
Revision:
0:fb8047b156bb
STM32F7 LWIP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rahul_dahiya 0:fb8047b156bb 1 /* mbed Microcontroller Library
rahul_dahiya 0:fb8047b156bb 2 * Copyright (c) 2006-2016 ARM Limited
rahul_dahiya 0:fb8047b156bb 3 *
rahul_dahiya 0:fb8047b156bb 4 * Licensed under the Apache License, Version 2.0 (the "License");
rahul_dahiya 0:fb8047b156bb 5 * you may not use this file except in compliance with the License.
rahul_dahiya 0:fb8047b156bb 6 * You may obtain a copy of the License at
rahul_dahiya 0:fb8047b156bb 7 *
rahul_dahiya 0:fb8047b156bb 8 * http://www.apache.org/licenses/LICENSE-2.0
rahul_dahiya 0:fb8047b156bb 9 *
rahul_dahiya 0:fb8047b156bb 10 * Unless required by applicable law or agreed to in writing, software
rahul_dahiya 0:fb8047b156bb 11 * distributed under the License is distributed on an "AS IS" BASIS,
rahul_dahiya 0:fb8047b156bb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rahul_dahiya 0:fb8047b156bb 13 * See the License for the specific language governing permissions and
rahul_dahiya 0:fb8047b156bb 14 * limitations under the License.
rahul_dahiya 0:fb8047b156bb 15 */
rahul_dahiya 0:fb8047b156bb 16 #include "FileHandle.h"
rahul_dahiya 0:fb8047b156bb 17 #include "platform/mbed_retarget.h"
rahul_dahiya 0:fb8047b156bb 18 #include "platform/mbed_critical.h"
rahul_dahiya 0:fb8047b156bb 19
rahul_dahiya 0:fb8047b156bb 20 namespace mbed {
rahul_dahiya 0:fb8047b156bb 21
rahul_dahiya 0:fb8047b156bb 22 off_t FileHandle::size()
rahul_dahiya 0:fb8047b156bb 23 {
rahul_dahiya 0:fb8047b156bb 24 /* remember our current position */
rahul_dahiya 0:fb8047b156bb 25 off_t off = seek(0, SEEK_CUR);
rahul_dahiya 0:fb8047b156bb 26 if (off < 0) {
rahul_dahiya 0:fb8047b156bb 27 return off;
rahul_dahiya 0:fb8047b156bb 28 }
rahul_dahiya 0:fb8047b156bb 29 /* seek to the end to get the file length */
rahul_dahiya 0:fb8047b156bb 30 off_t size = seek(0, SEEK_END);
rahul_dahiya 0:fb8047b156bb 31 /* return to our old position */
rahul_dahiya 0:fb8047b156bb 32 seek(off, SEEK_SET);
rahul_dahiya 0:fb8047b156bb 33 return size;
rahul_dahiya 0:fb8047b156bb 34 }
rahul_dahiya 0:fb8047b156bb 35
rahul_dahiya 0:fb8047b156bb 36 std::FILE *fdopen(FileHandle *fh, const char *mode)
rahul_dahiya 0:fb8047b156bb 37 {
rahul_dahiya 0:fb8047b156bb 38 return mbed_fdopen(fh, mode);
rahul_dahiya 0:fb8047b156bb 39 }
rahul_dahiya 0:fb8047b156bb 40
rahul_dahiya 0:fb8047b156bb 41 } // namespace mbed