| 1 | /* $Id: strncat.cpp 96045 2022-08-05 00:26:04Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - No-CRT Strings, strncat().
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2022 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 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include "internal/iprt.h"
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| 32 | #include <iprt/string.h>
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| 33 |
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| 34 |
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| 35 | /**
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| 36 | * Append a substring to an existing string.
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| 37 | *
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| 38 | * @returns Pointer to destination string
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| 39 | * @param pszDst String to append @a cchMaxSrc chars from @a pszSrc to,
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| 40 | * plus a zero terminator.
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| 41 | * @param pszSrc Zero terminated string.
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| 42 | * @param cchMaxSrc Maximum number of chars to copy from @a pszSrc.
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| 43 | */
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| 44 | #undef strncat
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| 45 | char *RT_NOCRT(strncat)(char *pszDst, const char *pszSrc, size_t cchMaxSrc)
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| 46 | {
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| 47 | char * const pszRet = pszDst;
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| 48 |
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| 49 | pszDst = RTStrEnd(pszDst, RTSTR_MAX);
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| 50 |
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| 51 | char ch;
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| 52 | while (cchMaxSrc-- > 0 && (ch = *pszSrc++) != '\0')
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| 53 | *pszDst++ = ch;
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| 54 | *pszDst = '\0';
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| 55 |
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| 56 | return pszRet;
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| 57 | }
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| 58 | RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(strncat);
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| 59 |
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