1135446Strhodes/* 2193149Sdougb * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 3135446Strhodes * Copyright (C) 1999-2001 Internet Software Consortium. 4135446Strhodes * 5193149Sdougb * Permission to use, copy, modify, and/or distribute this software for any 6135446Strhodes * purpose with or without fee is hereby granted, provided that the above 7135446Strhodes * copyright notice and this permission notice appear in all copies. 8135446Strhodes * 9135446Strhodes * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10135446Strhodes * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11135446Strhodes * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12135446Strhodes * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13135446Strhodes * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14135446Strhodes * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15135446Strhodes * PERFORMANCE OF THIS SOFTWARE. 16135446Strhodes */ 17135446Strhodes 18234010Sdougb/* $Id: bufferlist.c,v 1.17 2007/06/19 23:47:17 tbox Exp $ */ 19135446Strhodes 20170222Sdougb/*! \file */ 21170222Sdougb 22135446Strhodes#include <config.h> 23135446Strhodes 24135446Strhodes#include <stddef.h> 25135446Strhodes 26135446Strhodes#include <isc/buffer.h> 27135446Strhodes#include <isc/bufferlist.h> 28135446Strhodes#include <isc/util.h> 29135446Strhodes 30135446Strhodesunsigned int 31135446Strhodesisc_bufferlist_usedcount(isc_bufferlist_t *bl) { 32135446Strhodes isc_buffer_t *buffer; 33135446Strhodes unsigned int length; 34135446Strhodes 35135446Strhodes REQUIRE(bl != NULL); 36135446Strhodes 37135446Strhodes length = 0; 38135446Strhodes buffer = ISC_LIST_HEAD(*bl); 39135446Strhodes while (buffer != NULL) { 40135446Strhodes REQUIRE(ISC_BUFFER_VALID(buffer)); 41135446Strhodes length += isc_buffer_usedlength(buffer); 42135446Strhodes buffer = ISC_LIST_NEXT(buffer, link); 43135446Strhodes } 44135446Strhodes 45135446Strhodes return (length); 46135446Strhodes} 47135446Strhodes 48135446Strhodesunsigned int 49135446Strhodesisc_bufferlist_availablecount(isc_bufferlist_t *bl) { 50135446Strhodes isc_buffer_t *buffer; 51135446Strhodes unsigned int length; 52135446Strhodes 53135446Strhodes REQUIRE(bl != NULL); 54135446Strhodes 55135446Strhodes length = 0; 56135446Strhodes buffer = ISC_LIST_HEAD(*bl); 57135446Strhodes while (buffer != NULL) { 58135446Strhodes REQUIRE(ISC_BUFFER_VALID(buffer)); 59135446Strhodes length += isc_buffer_availablelength(buffer); 60135446Strhodes buffer = ISC_LIST_NEXT(buffer, link); 61135446Strhodes } 62135446Strhodes 63135446Strhodes return (length); 64135446Strhodes} 65