ioctl-setext2flags.hc (1523B)
1 // $Id$ --*- c -*-- 2 3 // Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 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; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #include "vserver.h" 24 #include "ext2fs.h" 25 26 #include <sys/ioctl.h> 27 28 #ifndef EXT2_IMMUTABLE_FILE_FL 29 # define EXT2_IMMUTABLE_FILE_FL 0x00000010 30 #endif 31 32 #ifndef EXT2_IMMUTABLE_LINK_FL 33 # define EXT2_IMMUTABLE_LINK_FL 0x00008000 34 #endif 35 36 static inline ALWAYSINLINE int 37 vc_X_set_ext2flags(int fd, long set_flags, long del_flags) 38 { 39 long old_flags = 0; 40 int rc; 41 42 set_flags = EXT2FLAGS_USER2KERNEL(set_flags); 43 del_flags = EXT2FLAGS_USER2KERNEL(del_flags); 44 45 if (del_flags!=-1) { 46 if (ioctl(fd, EXT2_IOC_GETFLAGS, &old_flags)==-1) return -1; 47 old_flags &= ~del_flags; 48 } 49 50 old_flags |= set_flags; 51 rc = ioctl(fd, EXT2_IOC_SETFLAGS, &old_flags); 52 53 ENSC_FIX_IOCTL(rc); 54 55 return rc; 56 }