/** @file
 * IPRT - TCP/IP.
 */

/*
 * Copyright (C) 2008-2022 Oracle and/or its affiliates.
 *
 * This file is part of VirtualBox base platform packages, as
 * available from https://www.virtualbox.org.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, in version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <https://www.gnu.org/licenses>.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
 * in the VirtualBox distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 *
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.
 *
 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
 */

#ifndef IPRT_INCLUDED_cidr_h
#define IPRT_INCLUDED_cidr_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif

#include <iprt/cdefs.h>
#include <iprt/types.h>
#include <iprt/net.h>

/** @defgroup grp_rt_cidr   RTCidr - Classless Inter-Domain Routing notation
 * @ingroup grp_rt
 * @{
 */
RT_C_DECLS_BEGIN

/**
 * Parse a string which contains an IP address in CIDR (Classless
 * Inter-Domain Routing) notation.
 *
 * @warning The network address and the network mask are returned in
 *      @b host(!) byte order.  This is different from all the other
 *      RTNetStrTo* functions.
 *
 * @deprecated This function is superseded by RTNetStrToIPv4Cidr()
 *      that provides a better API consistent with other functions
 *      from that family.  It returns the prefix length, if you need a
 *      netmask, you can obtain it with RTNetPrefixToMaskIPv4().
 *
 * @return iprt status code.
 *
 * @param   pszAddress  The IP address in CIDR specificaion.
 * @param   pNetwork    The determined IP address / network in host byte order.
 * @param   pNetmask    The determined netmask in host byte order.
 */
RTDECL(int) RTCidrStrToIPv4(const char *pszAddress, PRTNETADDRIPV4 pNetwork, PRTNETADDRIPV4 pNetmask);

RT_C_DECLS_END
/** @} */

#endif /* !IPRT_INCLUDED_cidr_h */