.\"-
.\" Copyright (c) 2001 Chris D. Faulhaber
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.Dd June 25, 2009
.Dt ACL_SET_TAG_TYPE 3
.Os
.Sh NAME
.Nm acl_set_tag_type
.Nd set the tag type of an ACL entry
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/acl.h
.Ft int
.Fn acl_set_tag_type "acl_entry_t entry_d" "acl_tag_t tag_type"
.Sh DESCRIPTION
The
.Fn acl_set_tag_type
function
is a POSIX.1e call that sets the ACL tag type of ACL entry
.Fa entry_d
to the value of
.Fa tag_type .
.Pp
Valid values are:
.Bl -column -offset 3n "ACL_OTHER_OBJ"
.It ACL_USER_OBJ Ta "Permissions apply to file owner"
.It ACL_USER Ta "Permissions apply to additional user specified by qualifier"
.It ACL_GROUP_OBJ Ta "Permissions apply to file group"
.It ACL_GROUP Ta "Permissions apply to additional group specified by qualifier"
.It ACL_MASK Ta "Permissions specify mask"
.It ACL_OTHER Ta Permissions apply to "other"
.It ACL_OTHER_OBJ Ta "Same as ACL_OTHER"
.It ACL_EVERYONE Ta Permissions apply to "everyone@"
.El
.Pp
Calling
.Fn acl_set_tag_type
with
.Fa tag_type
equal to ACL_MASK, ACL_OTHER or ACL_OTHER_OBJ brands the ACL as POSIX.1e.
Calling it with ACL_EVERYONE brands the ACL as NFSv4.
.Sh RETURN VALUES
.Rv -std acl_set_tag_type
.Sh ERRORS
The
.Fn acl_set_tag_type
function fails if:
.Bl -tag -width Er
.It Bq Er EINVAL
Argument
.Fa entry_d
is not a valid descriptor for an ACL entry.
Argument
.Fa tag_type
is not a valid ACL tag type.
ACL is already branded differently.
.El
.Sh SEE ALSO
.Xr acl 3 ,
.Xr acl_get_brand_np 3 ,
.Xr acl_get_tag_type 3 ,
.Xr posix1e 3
.Sh STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17.
.Sh HISTORY
POSIX.1e support was introduced in
.Fx 4.0 .
The
.Fn acl_set_tag_type
function was added in
.Fx 5.0 .
.Sh AUTHORS
The
.Fn acl_set_tag_type
function was written by
.An Chris D. Faulhaber Aq jedgar@fxp.org .
