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Opencv 3.1 project on GR-PEACH board

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platform/FileHandle.cpp@166:3a9487d57a5c, 2017-06-29 (annotated)

Committer:
thedo
Date:
Thu Jun 29 11:00:41 2017 +0000
Revision:
166:3a9487d57a5c
This is Opencv 3.1 project on GR-PEACH board

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thedo 166:3a9487d57a5c 1 /* mbed Microcontroller Library
thedo 166:3a9487d57a5c 2 * Copyright (c) 2006-2016 ARM Limited
thedo 166:3a9487d57a5c 3 *
thedo 166:3a9487d57a5c 4 * Licensed under the Apache License, Version 2.0 (the "License");
thedo 166:3a9487d57a5c 5 * you may not use this file except in compliance with the License.
thedo 166:3a9487d57a5c 6 * You may obtain a copy of the License at
thedo 166:3a9487d57a5c 7 *
thedo 166:3a9487d57a5c 8 * http://www.apache.org/licenses/LICENSE-2.0
thedo 166:3a9487d57a5c 9 *
thedo 166:3a9487d57a5c 10 * Unless required by applicable law or agreed to in writing, software
thedo 166:3a9487d57a5c 11 * distributed under the License is distributed on an "AS IS" BASIS,
thedo 166:3a9487d57a5c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
thedo 166:3a9487d57a5c 13 * See the License for the specific language governing permissions and
thedo 166:3a9487d57a5c 14 * limitations under the License.
thedo 166:3a9487d57a5c 15 */
thedo 166:3a9487d57a5c 16 #include "FileHandle.h"
thedo 166:3a9487d57a5c 17 #include "platform/mbed_retarget.h"
thedo 166:3a9487d57a5c 18 #include "platform/mbed_critical.h"
thedo 166:3a9487d57a5c 19
thedo 166:3a9487d57a5c 20 namespace mbed {
thedo 166:3a9487d57a5c 21
thedo 166:3a9487d57a5c 22 off_t FileHandle::size()
thedo 166:3a9487d57a5c 23 {
thedo 166:3a9487d57a5c 24 /* remember our current position */
thedo 166:3a9487d57a5c 25 off_t off = seek(0, SEEK_CUR);
thedo 166:3a9487d57a5c 26 if (off < 0) {
thedo 166:3a9487d57a5c 27 return off;
thedo 166:3a9487d57a5c 28 }
thedo 166:3a9487d57a5c 29 /* seek to the end to get the file length */
thedo 166:3a9487d57a5c 30 off_t size = seek(0, SEEK_END);
thedo 166:3a9487d57a5c 31 /* return to our old position */
thedo 166:3a9487d57a5c 32 seek(off, SEEK_SET);
thedo 166:3a9487d57a5c 33 return size;
thedo 166:3a9487d57a5c 34 }
thedo 166:3a9487d57a5c 35
thedo 166:3a9487d57a5c 36 std::FILE *fdopen(FileHandle *fh, const char *mode)
thedo 166:3a9487d57a5c 37 {
thedo 166:3a9487d57a5c 38 return mbed_fdopen(fh, mode);
thedo 166:3a9487d57a5c 39 }
thedo 166:3a9487d57a5c 40
thedo 166:3a9487d57a5c 41 } // namespace mbed
thedo 166:3a9487d57a5c 42