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/* $Id: RTUtf16NICmpAscii.cpp $ */
/** @file
* IPRT - RTUtf16ICmpAscii.
*/
/*
* Copyright (C) 2010-2020 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE 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.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/utf16.h>
#include "internal/iprt.h"
#include <iprt/assert.h>
#include <iprt/ctype.h>
RTDECL(int) RTUtf16NICmpAscii(PCRTUTF16 pwsz1, const char *psz2, size_t cwcMax)
{
for (;;)
{
if (cwcMax == 0)
return 0;
RTUTF16 wc1 = *pwsz1++;
unsigned char uch2 = *psz2++; Assert(uch2 < 0x80);
if (wc1 != uch2)
{
if (wc1 >= 0x80)
return 1;
if (RT_C_TO_LOWER(wc1) != RT_C_TO_LOWER(uch2))
return wc1 < uch2 ? -1 : 1;
}
if (!uch2)
return 0;
cwcMax--;
}
}
RT_EXPORT_SYMBOL(RTUtf16NICmpAscii);
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