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/* openat2 definition. Linux specific.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _FCNTL_H
# error "Never use <bits/openat2.h> directly; include <fcntl.h> instead."
#endif
#ifndef __glibc_has_open_how
/* Arguments for how openat2 should open the target path. */
struct open_how
{
__uint64_t flags;
__uint64_t mode;
__uint64_t resolve;
};
#endif
/* how->resolve flags for openat2. */
#ifndef RESOLVE_NO_XDEV
# define RESOLVE_NO_XDEV 0x01 /* Block mount-point crossings
(includes bind-mounts). */
#endif
#ifndef RESOLVE_NO_MAGICLINKS
# define RESOLVE_NO_MAGICLINKS 0x02 /* Block traversal through procfs-style
"magic-links". */
#endif
#ifndef RESOLVE_NO_SYMLINKS
# define RESOLVE_NO_SYMLINKS 0x04 /* Block traversal through all symlinks
(implies OEXT_NO_MAGICLINKS). */
#endif
#ifndef RESOLVE_BENEATH
# define RESOLVE_BENEATH 0x08 /* Block "lexical" trickery like
"..", symlinks, and absolute
paths which escape the dirfd. */
#endif
#ifndef RESOLVE_IN_ROOT
# define RESOLVE_IN_ROOT 0x10 /* Make all jumps to "/" and ".."
be scoped inside the dirfd
(similar to chroot). */
#endif
#ifndef RESOLVE_CACHED
# define RESOLVE_CACHED 0x20 /* Only complete if resolution can be
completed through cached lookup. May
return -EAGAIN if that's not
possible. */
#endif
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