mac_free.3 (0d511a4ea7f0ff6b05062b39bc775f022735d11d) mac_free.3 (3b29692060f7f4ee8f121c0f0b3b86c348b6fa63)
1.\" Copyright (c) 2001, 2002 Networks Associates Technology, Inc.
2.\" All rights reserved.
1.\" Copyright (c) 2001, 2002 Networks Associates Technology, Inc.
2.\" All rights reserved.
3.\"
3.\"
4.\" This software was developed for the FreeBSD Project by Chris
5.\" Costello at Safeport Network Services and NAI Labs, the Security
6.\" Research Division of Network Associates, Inc. under DARPA/SPAWAR
7.\" contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
8.\" research program.
4.\" This software was developed for the FreeBSD Project by Chris
5.\" Costello at Safeport Network Services and NAI Labs, the Security
6.\" Research Division of Network Associates, Inc. under DARPA/SPAWAR
7.\" contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
8.\" research program.
9.\"
9.\"
10.\" Redistribution and use in source and binary forms, with or without
11.\" modification, are permitted provided that the following conditions
12.\" are met:
13.\" 1. Redistributions of source code must retain the above copyright
14.\" notice, this list of conditions and the following disclaimer.
15.\" 2. Redistributions in binary form must reproduce the above copyright
16.\" notice, this list of conditions and the following disclaimer in the
17.\" documentation and/or other materials provided with the distribution.
18.\" 3. The name of the author may not be used to endorse or promote
19.\" products derived from this software without specific prior written
20.\" permission.
10.\" Redistribution and use in source and binary forms, with or without
11.\" modification, are permitted provided that the following conditions
12.\" are met:
13.\" 1. Redistributions of source code must retain the above copyright
14.\" notice, this list of conditions and the following disclaimer.
15.\" 2. Redistributions in binary form must reproduce the above copyright
16.\" notice, this list of conditions and the following disclaimer in the
17.\" documentation and/or other materials provided with the distribution.
18.\" 3. The name of the author may not be used to endorse or promote
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22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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33.\"
34.\" $FreeBSD$
34.\" $FreeBSD$
35.\"
35.Dd December 21, 2001
36.Dt MAC_FREE 3
37.Os
38.Sh NAME
39.Nm mac_free
40.Nd free MAC label
41.Sh LIBRARY
42.Lb libc

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48The
49.Fn mac_free
50function frees the storage allocated to contain a
51.Vt mac_t .
52.Sh RETURN VALUES
53The
54.Fn mac_free
55function always returns 0.
36.Dd December 21, 2001
37.Dt MAC_FREE 3
38.Os
39.Sh NAME
40.Nm mac_free
41.Nd free MAC label
42.Sh LIBRARY
43.Lb libc

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49The
50.Fn mac_free
51function frees the storage allocated to contain a
52.Vt mac_t .
53.Sh RETURN VALUES
54The
55.Fn mac_free
56function always returns 0.
56WARNING: see the notes in the BUGS section regarding the use of this
57WARNING: see the notes in the
58.Sx BUGS
59section regarding the use of this
57function.
58.Sh SEE ALSO
59.Xr mac 3 ,
60.Xr mac_get 3 ,
61.Xr mac_set 3 ,
62.Xr mac_text 3
63.Sh STANDARDS
64POSIX.1e is described in IEEE POSIX.1e draft 17.

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70for more information.
71.Sh BUGS
72POSIX.1e specifies that
73.Fn mac_free
74will be used to free text strings created using
75.Xr mac_to_text 3 .
76Because
77.Vt mac_t
60function.
61.Sh SEE ALSO
62.Xr mac 3 ,
63.Xr mac_get 3 ,
64.Xr mac_set 3 ,
65.Xr mac_text 3
66.Sh STANDARDS
67POSIX.1e is described in IEEE POSIX.1e draft 17.

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73for more information.
74.Sh BUGS
75POSIX.1e specifies that
76.Fn mac_free
77will be used to free text strings created using
78.Xr mac_to_text 3 .
79Because
80.Vt mac_t
78is a complex structure in the TrustedBSD implementation,
81is a complex structure in the
82.Tn TrustedBSD
83implementation,
79.Fn mac_free
80is specific to that type, and must not be used to free the character
81strings returned from
82.Fn mac_to_text .
83Doing so may result in undefined behavior,
84including application failure.
84.Fn mac_free
85is specific to that type, and must not be used to free the character
86strings returned from
87.Fn mac_to_text .
88Doing so may result in undefined behavior,
89including application failure.