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106 lines
3.3 KiB
Groff
106 lines
3.3 KiB
Groff
.\"-
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.\" Copyright (c) 2000 Robert N. M. Watson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 28, 2000
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.Dt ACL_INIT 3
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.Os FreeBSD
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.Sh NAME
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.Nm acl_init
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.Nd initialize ACL working storage
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.Fd #include <sys/types.h>
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.Fd #include <sys/acl.h>
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.Ft acl_t
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.Fn acl_init "int count"
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.Sh DESCRIPTION
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The
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.Fn acl_init
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function allocates and initializes the working storage for an ACL of at
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least
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.Va count
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ACL entries. A pointer to the working storage is returned. The working
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storage allocated to contain the ACL is freed by a call to
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.Xr acl_free 3 .
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When the area is first allocated, it shall contain an an ACL that contains
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no ACL entries.
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.Pp
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This function may cause memory to be allocated. The caller should free any
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releasable memory, when the new ACL is no longer required, by calling
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.Xr acl_free 3
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with the
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.Va (void*)acl_t
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as an argument.
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.Sh IMPLEMENTATION NOTES
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.Fx Ns 's
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support for POSIX.1e interfaces and features is still under
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development at this time.
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.Sh RETURN VALUES
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Upon successful completion, this function shall return a pointer to the
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working storage. Otherwise, a value of
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.Va (acl_t)NULL
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shall be returned, and
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.Va errno
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shall be set to indicate the error.
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.Sh ERRORS
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If any of the following conditions occur, the
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.Fn acl_init
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function shall return a value of
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.Va (acl_t)NULL
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and set
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.Va errno
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to the corresponding value:
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The value of count is less than zero.
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.It Bq Er ENOMEM
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The
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.Va acl_t
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to be returned requires more memory than is allowed by the hardware or
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system-imposed memory management constraints.
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.El
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.Sh SEE ALSO
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.Xr acl 3 ,
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.Xr acl_free 3 ,
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.Xr posix1e 3
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.Sh STANDARDS
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POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
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of the draft continues on the cross-platform POSIX.1e implementation
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mailing list. To join this list, see the
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.Fx
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POSIX.1e implementation
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page for more information.
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.Sh HISTORY
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POSIX.1e support was introduced in
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.Fx 4.0 ,
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and development continues.
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.Sh AUTHORS
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.An Robert N M Watson
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.Sh BUGS
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These features are not yet fully implemented.
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