1.\"- 2.\" Copyright (c) 2008, 2009 Edward Tomasz Napierala 3.\" 4.\" This software was developed by Robert Watson for the TrustedBSD Project. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd June 25, 2009 28.Dt ACL_STRIP_NP 3 29.Os 30.Sh NAME 31.Nm acl_strip_np 32.Nd strip extended entries from an ACL 33.Sh LIBRARY 34.Lb libc 35.Sh SYNOPSIS 36.In sys/types.h 37.In sys/acl.h 38.Ft acl_t 39.Fn acl_strip_np "const acl_t acl" "int recalculate_mask" 40.Sh DESCRIPTION 41The 42.Fn acl_strip_np 43function returns a pointer to a trivial ACL computed from the ACL pointed 44to by the argument 45.Va acl . 46.Pp 47This function may cause memory to be allocated. 48The caller should free any 49releasable memory, when the new ACL is no longer required, by calling 50.Xr acl_free 3 51with the 52.Va (void*)acl_t 53as an argument. 54.Pp 55Any existing ACL pointers that refer to the ACL referred to by 56.Va acl 57shall continue to refer to the ACL. 58.Sh RETURN VALUES 59Upon successful completion, this function shall return a pointer to the 60newly allocated ACL. 61Otherwise, a value of 62.Va (acl_t)NULL 63shall be returned, and 64.Va errno 65shall be set to indicate the error. 66.Sh ERRORS 67If any of the following conditions occur, the 68.Fn acl_init 69function shall return a value of 70.Va (acl_t)NULL 71and set 72.Va errno 73to the corresponding value: 74.Bl -tag -width Er 75.It Bq Er EINVAL 76Argument 77.Va acl 78does not point to a valid ACL. 79.It Bq Er ENOMEM 80The 81.Va acl_t 82to be returned requires more memory than is allowed by the hardware or 83system-imposed memory management constraints. 84.El 85.Sh SEE ALSO 86.Xr acl 3 , 87.Xr acl_is_trivial_np 3 , 88.Xr posix1e 3 89.Sh STANDARDS 90POSIX.1e is described in IEEE POSIX.1e draft 17. 91Discussion 92of the draft continues on the cross-platform POSIX.1e implementation 93mailing list. 94To join this list, see the 95.Fx 96POSIX.1e implementation 97page for more information. 98.Sh HISTORY 99POSIX.1e support was introduced in 100.Fx 4.0 . 101The 102.Fn acl_strip_np 103function was added in 104.Fx 8.0 . 105.Sh AUTHORS 106.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 107