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/* $Id: RTStrCatEx.cpp $ */
/** @file
* IPRT - RTStrCatEx
*/
/*
* Copyright (C) 2010-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/string.h>
#include "internal/iprt.h"
#include <iprt/errcore.h>
RTDECL(int) RTStrCatEx(char *pszDst, size_t cbDst, const char *pszSrc, size_t cchMaxSrc)
{
char *pszDst2 = RTStrEnd(pszDst, cbDst);
AssertReturn(pszDst2, VERR_INVALID_PARAMETER);
cbDst -= pszDst2 - pszDst;
const char *pszSrcEol = RTStrEnd(pszSrc, cchMaxSrc);
size_t cchSrc = pszSrcEol ? (size_t)(pszSrcEol - pszSrc) : cchMaxSrc;
if (RT_LIKELY(cchSrc < cbDst))
{
memcpy(pszDst2, pszSrc, cchSrc);
pszDst2[cchSrc] = '\0';
return VINF_SUCCESS;
}
if (cbDst != 0)
{
memcpy(pszDst2, pszSrc, cbDst - 1);
pszDst2[cbDst - 1] = '\0';
}
return VERR_BUFFER_OVERFLOW;
}
RT_EXPORT_SYMBOL(RTStrCatEx);
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