| 1 | /* $Id: RTStrCmp.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - RTStrCmp.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2020 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include <iprt/string.h>
|
|---|
| 32 | #include "internal/iprt.h"
|
|---|
| 33 |
|
|---|
| 34 |
|
|---|
| 35 | /**
|
|---|
| 36 | * Performs a case sensitive string compare between two UTF-8 strings.
|
|---|
| 37 | *
|
|---|
| 38 | * Encoding errors are ignored by the current implementation. So, the only
|
|---|
| 39 | * difference between this and the CRT strcmp function is the handling of
|
|---|
| 40 | * NULL arguments.
|
|---|
| 41 | *
|
|---|
| 42 | * @returns < 0 if the first string less than the second string.
|
|---|
| 43 | * @returns 0 if the first string identical to the second string.
|
|---|
| 44 | * @returns > 0 if the first string greater than the second string.
|
|---|
| 45 | * @param psz1 First UTF-8 string. Null is allowed.
|
|---|
| 46 | * @param psz2 Second UTF-8 string. Null is allowed.
|
|---|
| 47 | */
|
|---|
| 48 | RTDECL(int) RTStrCmp(const char *psz1, const char *psz2)
|
|---|
| 49 | {
|
|---|
| 50 | if (psz1 == psz2)
|
|---|
| 51 | return 0;
|
|---|
| 52 | if (!psz1)
|
|---|
| 53 | return -1;
|
|---|
| 54 | if (!psz2)
|
|---|
| 55 | return 1;
|
|---|
| 56 |
|
|---|
| 57 | return strcmp(psz1, psz2);
|
|---|
| 58 | }
|
|---|
| 59 | RT_EXPORT_SYMBOL(RTStrCmp);
|
|---|
| 60 |
|
|---|
