1.\"- 2.\" Copyright (c) 2000, 2002 Robert N. M. Watson 3.\" All rights reserved. 4.\" 5.\" This software was developed by Robert Watson for the TrustedBSD Project. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd January 28, 2000 29.Dt ACL_INIT 3 30.Os 31.Sh NAME 32.Nm acl_init 33.Nd initialize ACL working storage 34.Sh LIBRARY 35.Lb libc 36.Sh SYNOPSIS 37.In sys/types.h 38.In sys/acl.h 39.Ft acl_t 40.Fn acl_init "int count" 41.Sh DESCRIPTION 42The 43.Fn acl_init 44function allocates and initializes the working storage for an ACL of at 45least 46.Va count 47ACL entries. 48A pointer to the working storage is returned. 49The working 50storage allocated to contain the ACL is freed by a call to 51.Xr acl_free 3 . 52When the area is first allocated, it shall contain an ACL that contains 53no ACL entries. 54.Pp 55This function may cause memory to be allocated. 56The caller should free any 57releasable memory, when the new ACL is no longer required, by calling 58.Xr acl_free 3 59with the 60.Va (void*)acl_t 61as an argument. 62.Sh IMPLEMENTATION NOTES 63.Fx Ns 's 64support for POSIX.1e interfaces and features is still under 65development at this time. 66.Sh RETURN VALUES 67Upon successful completion, this function shall return a pointer to the 68working storage. 69Otherwise, a value of 70.Va (acl_t)NULL 71shall be returned, and 72.Va errno 73shall be set to indicate the error. 74.Sh ERRORS 75If any of the following conditions occur, the 76.Fn acl_init 77function shall return a value of 78.Va (acl_t)NULL 79and set 80.Va errno 81to the corresponding value: 82.Bl -tag -width Er 83.It Bq Er EINVAL 84The value of count is less than zero. 85.It Bq Er ENOMEM 86The 87.Va acl_t 88to be returned requires more memory than is allowed by the hardware or 89system-imposed memory management constraints. 90.El 91.Sh SEE ALSO 92.Xr acl 3 , 93.Xr acl_free 3 , 94.Xr posix1e 3 95.Sh STANDARDS 96POSIX.1e is described in IEEE POSIX.1e draft 17. 97Discussion 98of the draft continues on the cross-platform POSIX.1e implementation 99mailing list. 100To join this list, see the 101.Fx 102POSIX.1e implementation 103page for more information. 104.Sh HISTORY 105POSIX.1e support was introduced in 106.Fx 4.0 , 107and development continues. 108.Sh AUTHORS 109.An Robert N M Watson 110