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/* $Id: strncmp.cpp $ */
/** @file
* IPRT - CRT Strings, strncmp().
*/
/*
* Copyright (C) 2006-2023 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 "internal/iprt.h"
#include <iprt/string.h>
#ifdef IPRT_NO_CRT
# undef strncmp
int RT_NOCRT(strncmp)(const char *pszStr1, const char *pszStr2, size_t cb)
#elif defined( _MSC_VER)
_CRTIMP int __cdecl strncmp(const char *pszStr1, const char *pszStr2, size_t cb)
#elif defined(__WATCOMC__) && !defined(IPRT_NO_CRT)
_WCRTLINK int std::strncmp(const char *pszStr1, const char *pszStr2, size_t cb)
#else
int strncmp(const char *pszStr1, const char *pszStr2, size_t cb)
# if defined(__THROW) && !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
__THROW
# endif
#endif
{
while (cb-- > 0)
{
char const ch1 = *pszStr1++;
int const iDiff = ch1 - *pszStr2++;
if (iDiff)
return iDiff;
if (!ch1)
break;
}
return 0;
}
RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(strncmp);
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