summaryrefslogtreecommitdiffstats
path: root/lib/isc/include/isc/bufferlist.h
blob: ffb4986f8992a7da1a0588f905ca82d27873ed3c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */


#ifndef ISC_BUFFERLIST_H
#define ISC_BUFFERLIST_H 1

/*****
 ***** Module Info
 *****/

/*! \file isc/bufferlist.h
 *
 *
 *\brief	Buffer lists have no synchronization.  Clients must ensure exclusive
 *	access.
 *
 * \li Reliability:
 *	No anticipated impact.

 * \li Security:
 *	No anticipated impact.
 *
 * \li Standards:
 *	None.
 */

/***
 *** Imports
 ***/

#include <isc/lang.h>
#include <isc/types.h>

ISC_LANG_BEGINDECLS

/***
 *** Functions
 ***/

unsigned int
isc_bufferlist_usedcount(isc_bufferlist_t *bl);
/*!<
 * \brief Return the length of the sum of all used regions of all buffers in
 * the buffer list 'bl'
 *
 * Requires:
 *
 *\li	'bl' is not NULL.
 *
 * Returns:
 *\li	sum of all used regions' lengths.
 */

unsigned int
isc_bufferlist_availablecount(isc_bufferlist_t *bl);
/*!<
 * \brief Return the length of the sum of all available regions of all buffers in
 * the buffer list 'bl'
 *
 * Requires:
 *
 *\li	'bl' is not NULL.
 *
 * Returns:
 *\li	sum of all available regions' lengths.
 */

ISC_LANG_ENDDECLS

#endif /* ISC_BUFFERLIST_H */