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/* $Id: RTStrCmp.cpp $ */
/** @file
* IPRT - RTStrCmp.
*/
/*
* 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"
/**
* Performs a case sensitive string compare between two UTF-8 strings.
*
* Encoding errors are ignored by the current implementation. So, the only
* difference between this and the CRT strcmp function is the handling of
* NULL arguments.
*
* @returns < 0 if the first string less than the second string.
* @returns 0 if the first string identical to the second string.
* @returns > 0 if the first string greater than the second string.
* @param psz1 First UTF-8 string. Null is allowed.
* @param psz2 Second UTF-8 string. Null is allowed.
*/
RTDECL(int) RTStrCmp(const char *psz1, const char *psz2)
{
if (psz1 == psz2)
return 0;
if (!psz1)
return -1;
if (!psz2)
return 1;
return strcmp(psz1, psz2);
}
RT_EXPORT_SYMBOL(RTStrCmp);
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