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-.\"-
-.\" Copyright (c) 2001 Chris D. Faulhaber
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE VOICES IN HIS HEAD BE
-.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-.\" POSSIBILITY OF SUCH DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd March 13, 2001
-.Dt ACL_GET_QUALIFIER 3
-.Os
-.Sh NAME
-.Nm acl_get_qualifier
-.Nd retrieve the qualifier from an ACL entry
-.Sh LIBRARY
-.Lb libposix1e
-.Sh SYNOPSIS
-.Fd #include <sys/types.h>
-.Fd #include <sys/acl.h>
-.Ft void *
-.Fn acl_get_qualifier "acl_entry_t entry_d"
-.Sh DESCRIPTION
-.Fn acl_get_qualifier
-is a POSIX.1e call that retrieves the qualifier of the tag for
-the ACL entry indicated by the argument
-.Fa entry_d
-into working storage and returns a pointer to that storage.
-.Pp
-If the value of the tag type in the ACL entry referred to by
-.Fa entry_d
-is
-.Dv ACL_USER ,
-then the value returned by
-.Fn acl_get_qualifier
-will be a pointer to type
-.Vt uid_t .
-.Pp
-If the value of the tag type in
-the ACL entry referred to by
-.Fa entry_d
-is
-.Dv ACL_GROUP ,
-then the value returned by
-.Fn acl_get_qualifier
-will be a pointer to type
-.Vt gid_t .
-.Pp
-If the value of the tag type in the ACL enty referred to by
-.Fa entry_d
-is
-.Dv ACL_UNDEFINED_TAG , ACL_USER_OBJ , ACL_GROUP_OBJ ,
-.Dv ACL_OTHER , ACL_MASK ,
-or an implementation-defined value for which a qualifier
-is not supported, then
-.Fn acl_get_qualifier
-will return a value of
-.Vt ( void * ) Ns Dv NULL
-and the function will fail.
-.Pp
-This function may cause memory to be allocated. The caller should
-free any releasable memory, when the new qualifier is no longer
-required, by calling
-.Fn acl_free
-with
-.Vt void *
-as the argument.
-.Sh RETURN VALUES
-The
-.Fn acl_get_qualifier
-function returns a pointer to the allocated storage if successful;
-otherwise a
-.Dv NULL
-pointer is returned and the global variable
-.Va errno
-is set to indicate the error.
-.Sh ERRORS
-The
-.Fn acl_get_qualifier
-fails if:
-.Bl -tag -width Er
-.It Bq Er EINVAL
-Argument
-.Fa entry_d
-does not point to a valid descriptor for an ACL entry. The
-value of the tag type in the ACL entry referenced by argument
-.Fa entry_d
-is not
-.Dv ACL_USER
-or
-.Dv ACL_GROUP .
-.It Bq Er ENOMEM
-The value to be returned requires more memory than is allowed
-by the hardware or system-imposed memory management constraints.
-.El
-.Sh SEE ALSO
-.Xr acl 3 ,
-.Xr acl_create_entry 3 ,
-.Xr acl_free 3 ,
-.Xr acl_get_entry 3 ,
-.Xr acl_get_tag_type 3 ,
-.Xr acl_set_qualifier 3 ,
-.Xr acl_set_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_get_qualifier
-function was added in
-.Fx 5.0 .
-.Sh AUTHORS
-The
-.Fn acl_get_qualifier
-function was written by
-.An Chris D. Faulhaber Aq jedgar@fxp.org .
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