1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _LOOP_H 18 #define _LOOP_H 19 20 #include <string> 21 #include <unistd.h> 22 #include <linux/loop.h> 23 24 class Loop { 25 public: 26 static const int LOOP_MAX = 4096; 27 public: 28 static int create(const std::string& file, std::string& out_device); 29 static int destroyByDevice(const char *loopDevice); 30 static int destroyAll(); 31 static int createImageFile(const char *file, unsigned long numSectors); 32 static int resizeImageFile(const char *file, unsigned long numSectors); 33 }; 34 35 #endif 36