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.\" $FreeBSD$ 29.\" 30.Dd January 28, 2000 31.Dt ACL_INIT 3 32.Os 33.Sh NAME 34.Nm acl_init 35.Nd initialize ACL working storage 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In sys/types.h 40.In sys/acl.h 41.Ft acl_t 42.Fn acl_init "int count" 43.Sh DESCRIPTION 44The 45.Fn acl_init 46function allocates and initializes the working storage for an ACL of at 47least 48.Va count 49ACL entries. 50A pointer to the working storage is returned. 51The working 52storage allocated to contain the ACL is freed by a call to 53.Xr acl_free 3 . 54When the area is first allocated, it shall contain an ACL that contains 55no ACL entries. 56.Pp 57This function may cause memory to be allocated. 58The caller should free any 59releasable memory, when the new ACL is no longer required, by calling 60.Xr acl_free 3 61with the 62.Va (void*)acl_t 63as an argument. 64.Sh IMPLEMENTATION NOTES 65.Fx Ns 's 66support for POSIX.1e interfaces and features is still under 67development at this time. 68.Sh RETURN VALUES 69Upon successful completion, this function shall return a pointer to the 70working storage. 71Otherwise, a value of 72.Va (acl_t)NULL 73shall be returned, and 74.Va errno 75shall be set to indicate the error. 76.Sh ERRORS 77If any of the following conditions occur, the 78.Fn acl_init 79function shall return a value of 80.Va (acl_t)NULL 81and set 82.Va errno 83to the corresponding value: 84.Bl -tag -width Er 85.It Bq Er EINVAL 86The value of count is less than zero. 87.It Bq Er ENOMEM 88The 89.Va acl_t 90to be returned requires more memory than is allowed by the hardware or 91system-imposed memory management constraints. 92.El 93.Sh SEE ALSO 94.Xr acl 3 , 95.Xr acl_free 3 , 96.Xr posix1e 3 97.Sh STANDARDS 98POSIX.1e is described in IEEE POSIX.1e draft 17. 99Discussion 100of the draft continues on the cross-platform POSIX.1e implementation 101mailing list. 102To join this list, see the 103.Fx 104POSIX.1e implementation 105page for more information. 106.Sh HISTORY 107POSIX.1e support was introduced in 108.Fx 4.0 , 109and development continues. 110.Sh AUTHORS 111.An Robert N M Watson 112