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/* $Id: RTStrNCmp.cpp $ */
/** @file
* IPRT - RTStrNCmp.
*/
/*
* Copyright (C) 2006-2020 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/string.h>
#include "internal/iprt.h"
RTDECL(int) RTStrNCmp(const char *psz1, const char *psz2, size_t cchMax)
{
if (psz1 == psz2)
return 0;
if (!psz1)
return -1;
if (!psz2)
return 1;
#ifdef RT_OS_SOLARIS
/* Solaris: tstUtf8 found to fail for some RTSTR_MAX on testboxsh1:
solaris.amd64 v5.10 (Generic_142901-12 (Assembled 30 March 2009)). */
while (cchMax-- > 0)
{
char ch1 = *psz1++;
char ch2 = *psz2++;
if (ch1 != ch2)
return ch1 > ch2 ? 1 : -1;
else if (ch1 == 0)
break;
}
return 0;
#else
return strncmp(psz1, psz2, cchMax);
#endif
}
RT_EXPORT_SYMBOL(RTStrNCmp);
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