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/* $Id$ */
/** @file
* IPRT - RTUtf16NCmp.
*/
/*
* Copyright (C) 2010-2022 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
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/utf16.h>
#include "internal/iprt.h"
RTDECL(int) RTUtf16NCmp(PCRTUTF16 pwsz1, PCRTUTF16 pwsz2, size_t cwcMax)
{
if (pwsz1 == pwsz2)
return 0;
if (!pwsz1)
return -1;
if (!pwsz2 || !cwcMax)
return 1;
while (cwcMax-- > 0)
{
RTUTF16 wcs = *pwsz1;
int iDiff = wcs - *pwsz2;
if (iDiff || !wcs)
return iDiff;
pwsz1++;
pwsz2++;
}
return 0;
}
RT_EXPORT_SYMBOL(RTUtf16NCmp);
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