/* * Copyright (C) 2013 The Android Open Source Project * * 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 <sys/ioctl.h> #include <linux/fs.h> unsigned int get_blkdev_size(int fd) { unsigned int nr_sec; if ( (ioctl(fd, BLKGETSIZE, &nr_sec)) == -1) { nr_sec = 0; } return nr_sec; }