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-.\" Copyright (C) Andreas Gruenbacher, February 2001
-.\" Copyright (C) Silicon Graphics Inc, September 2001
-.\"
-.\" SPDX-License-Identifier: GPL-2.0-or-later
-.\"
-.TH setxattr 2 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-setxattr, lsetxattr, fsetxattr \- set an extended attribute value
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <sys/xattr.h>
-.P
-.BI "int setxattr(const char *" path ", const char *" name ,
-.BI " const void " value [. size "], size_t " size ", int " flags );
-.BI "int lsetxattr(const char *" path ", const char *" name ,
-.BI " const void " value [. size "], size_t " size ", int " flags );
-.BI "int fsetxattr(int " fd ", const char *" name ,
-.BI " const void " value [. size "], size_t " size ", int " flags );
-.fi
-.SH DESCRIPTION
-Extended attributes are
-.IR name : value
-pairs associated with inodes (files, directories, symbolic links, etc.).
-They are extensions to the normal attributes which are associated
-with all inodes in the system (i.e., the
-.BR stat (2)
-data).
-A complete overview of extended attributes concepts can be found in
-.BR xattr (7).
-.P
-.BR setxattr ()
-sets the
-.I value
-of the extended attribute identified by
-.I name
-and associated with the given
-.I path
-in the filesystem.
-The
-.I size
-argument specifies the size (in bytes) of
-.IR value ;
-a zero-length value is permitted.
-.P
-.BR lsetxattr ()
-is identical to
-.BR setxattr (),
-except in the case of a symbolic link, where the extended attribute is
-set on the link itself, not the file that it refers to.
-.P
-.BR fsetxattr ()
-is identical to
-.BR setxattr (),
-only the extended attribute is set on the open file referred to by
-.I fd
-(as returned by
-.BR open (2))
-in place of
-.IR path .
-.P
-An extended attribute name is a null-terminated string.
-The
-.I name
-includes a namespace prefix; there may be several, disjoint
-namespaces associated with an individual inode.
-The
-.I value
-of an extended attribute is a chunk of arbitrary textual or
-binary data of specified length.
-.P
-By default
-(i.e.,
-.I flags
-is zero),
-the extended attribute will be created if it does not exist,
-or the value will be replaced if the attribute already exists.
-To modify these semantics, one of the following values can be specified in
-.IR flags :
-.TP
-.B XATTR_CREATE
-Perform a pure create, which fails if the named attribute exists already.
-.TP
-.B XATTR_REPLACE
-Perform a pure replace operation,
-which fails if the named attribute does not already exist.
-.SH RETURN VALUE
-On success, zero is returned.
-On failure, \-1 is returned and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-.TP
-.B EDQUOT
-Disk quota limits meant that
-there is insufficient space remaining to store the extended attribute.
-.TP
-.B EEXIST
-.B XATTR_CREATE
-was specified, and the attribute exists already.
-.TP
-.B ENODATA
-.B XATTR_REPLACE
-was specified, and the attribute does not exist.
-.\" .RB ( ENOATTR
-.\" is defined to be a synonym for
-.\" .BR ENODATA
-.\" in
-.\" .IR <attr/attributes.h> .)
-.TP
-.B ENOSPC
-There is insufficient space remaining to store the extended attribute.
-.TP
-.B ENOTSUP
-The namespace prefix of
-.I name
-is not valid.
-.TP
-.B ENOTSUP
-Extended attributes are not supported by the filesystem, or are disabled,
-.TP
-.B EPERM
-The file is marked immutable or append-only.
-(See
-.BR ioctl_iflags (2).)
-.P
-In addition, the errors documented in
-.BR stat (2)
-can also occur.
-.TP
-.B ERANGE
-The size of
-.I name
-or
-.I value
-exceeds a filesystem-specific limit.
-.SH STANDARDS
-Linux.
-.SH HISTORY
-Linux 2.4,
-glibc 2.3.
-.\" .SH AUTHORS
-.\" Andreas Gruenbacher,
-.\" .RI < a.gruenbacher@computer.org >
-.\" and the SGI XFS development team,
-.\" .RI < linux-xfs@oss.sgi.com >.
-.\" Please send any bug reports or comments to these addresses.
-.SH SEE ALSO
-.BR getfattr (1),
-.BR setfattr (1),
-.BR getxattr (2),
-.BR listxattr (2),
-.BR open (2),
-.BR removexattr (2),
-.BR stat (2),
-.BR symlink (7),
-.BR xattr (7)