1 | /* $Id: strncmp.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - CRT Strings, strncmp().
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2019 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 | #include <iprt/string.h>
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28 |
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29 | #ifdef _MSC_VER
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30 | _CRTIMP int __cdecl strncmp
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31 | #elif defined(__WATCOMC__)
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32 | _WCRTLINK int std::strncmp
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33 | #else
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34 | int strncmp
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35 | #endif
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36 | (const char *pszStr1, const char *pszStr2, size_t cb)
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37 | #if defined(__THROW) && !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
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38 | __THROW
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39 | #endif
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40 | {
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41 | const char* fini = pszStr1+cb;
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42 | while (pszStr1 < fini)
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43 | {
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44 | int res=*pszStr1-*pszStr2;
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45 | if (res)
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46 | return res;
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47 | if (!*pszStr1)
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48 | return 0;
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49 | ++pszStr1; ++pszStr2;
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50 | }
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51 | return 0;
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52 | }
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