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.\"-
.\" Copyright (c) 2000 Robert N. M. Watson
.\" Copyright (c) 2001 Thomas Moestl
.\" 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 CONTRIBUTORS 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 21, 2001
.Dt CAP_COPY_INT 3
.Os
.Sh NAME
.Nm cap_copy_int
.Nd convert an external capability representation to a capability state in
working storage
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/capability.h
.Ft cap_t
.Fn cap_copy_int "void *ext_p"
.Sh DESCRIPTION
The
.Fn cap_copy_int
function converts an external capability representation (as returned by
.Xr cap_copy_ext 3 )
in the buffer pointed to by
.Fa ext_p
to a handle to a capability state in working storage.
.Pp
This function may cause memory to be allocated.
The caller should free any releasable memory, when the capability state
in working memory is no longer required, by calling
.Xr cap_free 3
with the
.Vt cap_t
as an argument.
.Sh RETURN VALUES
Upon successful completion, the
.Fn cap_copy_int
function returns a handle to a capability state in working storage.
Otherwise,
.Dv NULL
is returned and the global variable
.Va errno
is set to indicate the error.
.Sh ERRORS
.Fn cap_copy_int
fails if:
.Bl -tag -width Er
.It Bq Er EINVAL
The
.Fa ext_p
does not refer to an external representation as returned by
.Xr cap_copy_ext 3 .
.It Bq Er ENOMEM
The allocation of memory to hold the capability state
has failed.
.El
.Sh SEE ALSO
.Xr cap_copy_int 3 ,
.Xr cap_free 3 ,
.Xr cap_from_text 3 ,
.Xr cap_get_flag 3 ,
.Xr cap_to_text 3 ,
.Xr posix1e 3
.Sh STANDARDS
This function is expected to conform to the withdrawn
IEEE draft 1003.1e
.Pq Dq POSIX.1e .
.Sh HISTORY
This function first appeared in
.Fx 5.0 .
.Sh AUTHORS
.An Thomas Moestl Aq tmm@FreeBSD.org
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