mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
FileHandle.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2016 ARM Limited 00003 * SPDX-License-Identifier: Apache-2.0 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 #include "FileHandle.h" 00018 #include "platform/mbed_retarget.h" 00019 #include "platform/mbed_critical.h" 00020 00021 namespace mbed { 00022 00023 off_t FileHandle::size() 00024 { 00025 /* remember our current position */ 00026 off_t off = seek(0, SEEK_CUR); 00027 if (off < 0) { 00028 return off; 00029 } 00030 /* seek to the end to get the file length */ 00031 off_t size = seek(0, SEEK_END); 00032 /* return to our old position */ 00033 seek(off, SEEK_SET); 00034 return size; 00035 } 00036 00037 } // namespace mbed
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