X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fioctl-setext2flags.hc;fp=lib%2Fioctl-setext2flags.hc;h=47f675211fea4cca7d6309b852e55ffaeebe2b05;hb=9c78378bebc1a9f3d400f422df8ede9efea57dea;hp=0000000000000000000000000000000000000000;hpb=faa778968d1a7dfeaebc9fe4b847e691dc62fd15;p=util-vserver.git diff --git a/lib/ioctl-setext2flags.hc b/lib/ioctl-setext2flags.hc new file mode 100644 index 0000000..47f6752 --- /dev/null +++ b/lib/ioctl-setext2flags.hc @@ -0,0 +1,56 @@ +// $Id$ --*- c -*-- + +// Copyright (C) 2004 Enrico Scholz +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include "vserver.h" +#include "ext2fs.h" + +#include + +#ifndef EXT2_IMMUTABLE_FILE_FL +# define EXT2_IMMUTABLE_FILE_FL 0x00000010 +#endif + +#ifndef EXT2_IMMUTABLE_LINK_FL +# define EXT2_IMMUTABLE_LINK_FL 0x00008000 +#endif + +static inline ALWAYSINLINE int +vc_X_set_ext2flags(int fd, long set_flags, long del_flags) +{ + long old_flags = 0; + int rc; + + set_flags = EXT2FLAGS_USER2KERNEL(set_flags); + del_flags = EXT2FLAGS_USER2KERNEL(del_flags); + + if (del_flags!=-1) { + if (ioctl(fd, EXT2_IOC_GETFLAGS, &old_flags)==-1) return -1; + old_flags &= ~del_flags; + } + + old_flags |= set_flags; + rc = ioctl(fd, EXT2_IOC_SETFLAGS, &old_flags); + + ENSC_FIX_IOCTL(rc); + + return rc; +}