Current File : //usr/include/bind9/isc/bufferlist.h
/*
* 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 https://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 */
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