+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-#ifndef CEPH_BITMAPPER_H
-#define CEPH_BITMAPPER_H
-
-class bitmapper {
- char *_data;
- int _len;
-
- public:
- bitmapper() : _data(0), _len(0) { }
- bitmapper(char *data, int len) : _data(data), _len(len) { }
-
- void set_data(char *data, int len) { _data = data; _len = len; }
-
- int bytes() const { return _len; }
- int bits() const { return _len * 8; }
-
- bool operator[](int b) const {
- return get(b);
- }
- bool get(int b) const {
- return _data[b >> 3] & (1 << (b&7));
- }
- void set(int b) {
- _data[b >> 3] |= 1 << (b&7);
- }
- void clear(int b) {
- _data[b >> 3] &= ~(1 << (b&7));
- }
- void toggle(int b) {
- _data[b >> 3] ^= 1 << (b&7);
- }
-};
-
-#endif