1 /** 2 * Copyright (c) 2008-2015 Alper Akcan <alper.akcan@gmail.com> 3 * Copyright (c) 2009 Renzo Davoli <renzo@cs.unibo.it> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program (in the main directory of the fuse-ext2 17 * distribution in the file COPYING); if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #include "fuse-ext2.h" 22 23 static inline dev_t old_decode_dev (__u16 val) 24 { 25 return makedev((val >> 8) & 255, val & 255); 26 } 27 28 static inline dev_t new_decode_dev (__u32 dev) 29 { 30 unsigned major = (dev & 0xfff00) >> 8; 31 unsigned minor = (dev & 0xff) | ((dev >> 12) & 0xfff00); 32 return makedev(major, minor); 33 } 34 35 void do_fillstatbuf (ext2_filsys e2fs, ext2_ino_t ino, struct ext2_inode *inode, struct stat *st) 36 { 37 debugf("enter"); 38 memset(st, 0, sizeof(*st)); 39 /* XXX workaround 40 * should be unique and != existing devices */ 41 st->st_dev = (dev_t) ((long) e2fs); 42 st->st_ino = ino; 43 st->st_mode = inode->i_mode; 44 st->st_nlink = inode->i_links_count; 45 st->st_uid = ext2_read_uid(inode); 46 st->st_gid = ext2_read_gid(inode); 47 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { 48 if (inode->i_block[0]) { 49 st->st_rdev = old_decode_dev(ext2fs_le32_to_cpu(inode->i_block[0])); 50 } else { 51 st->st_rdev = new_decode_dev(ext2fs_le32_to_cpu(inode->i_block[1])); 52 } 53 } else { 54 st->st_rdev = 0; 55 } 56 st->st_size = EXT2_I_SIZE(inode); 57 st->st_blksize = EXT2_BLOCK_SIZE(e2fs->super); 58 st->st_blocks = inode->i_blocks; 59 st->st_atime = inode->i_atime; 60 st->st_mtime = inode->i_mtime; 61 st->st_ctime = inode->i_ctime; 62 #if __FreeBSD__ == 10 63 st->st_gen = inode->i_generation; 64 #endif 65 debugf("leave"); 66 } 67