Permalink
Fetching contributors…
Cannot retrieve contributors at this time
83 lines (71 sloc) 2.14 KB
/* 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 "FileBase.h"
namespace mbed {
FileBase *FileBase::_head = NULL;
FileBase::FileBase(const char *name, PathType t) : _next(NULL),
_name(name),
_path_type(t) {
if (name != NULL) {
// put this object at head of the list
_next = _head;
_head = this;
} else {
_next = NULL;
}
}
FileBase::~FileBase() {
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;
}
}
}
FileBase *FileBase::lookup(const char *name, unsigned int len) {
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) {
return p;
}
p = p->_next;
}
return NULL;
}
FileBase *FileBase::get(int n) {
FileBase *p = _head;
int m = 0;
while (p != NULL) {
if (m == n) return p;
m++;
p = p->_next;
}
return NULL;
}
const char* FileBase::getName(void) {
return _name;
}
PathType FileBase::getPathType(void) {
return _path_type;
}
} // namespace mbed