From Ben Katz mbed-dev library. Removed unnecessary target files to reduce the overall size by a factor of 10 to make it easier to import into the online IDE.
Dependents: motor_driver motor_driver_screaming_fix
platform/FileBase.cpp
- Committer:
- saloutos
- Date:
- 2020-11-26
- Revision:
- 0:083111ae2a11
File content as of revision 0:083111ae2a11:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "platform/FileBase.h" #include "platform/FileLike.h" #include "platform/FileHandle.h" namespace mbed { FileBase *FileBase::_head = NULL; SingletonPtr<PlatformMutex> FileBase::_mutex; FileBase::FileBase(const char *name, PathType t) : _next(NULL), _name(name), _path_type(t) { _mutex->lock(); if (name != NULL) { // put this object at head of the list _next = _head; _head = this; } else { _next = NULL; } _mutex->unlock(); } FileBase::~FileBase() { _mutex->lock(); if (_name != NULL) { // remove this object from the list if (_head == this) { // first in the list, so just drop me _head = _next; } else { // find the object before me, then drop me FileBase *p = _head; while (p->_next != this) { p = p->_next; } p->_next = _next; } } _mutex->unlock(); if (getPathType() == FilePathType) { extern void remove_filehandle(FileHandle *file); remove_filehandle(static_cast<FileHandle*>(static_cast<FileLike*>(this))); } } FileBase *FileBase::lookup(const char *name, unsigned int len) { _mutex->lock(); FileBase *p = _head; while (p != NULL) { /* Check that p->_name matches name and is the correct length */ if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) { _mutex->unlock(); return p; } p = p->_next; } _mutex->unlock(); return NULL; } FileBase *FileBase::get(int n) { _mutex->lock(); FileBase *p = _head; int m = 0; while (p != NULL) { if (m == n) { _mutex->unlock(); return p; } m++; p = p->_next; } _mutex->unlock(); return NULL; } const char* FileBase::getName(void) { // Constant read so no lock needed return _name; } PathType FileBase::getPathType(void) { // Constant read so no lock needed return _path_type; } } // namespace mbed