Current File : //usr/src/vboxhost-7.0.26/vboxdrv/common/string/RTStrCopyP.c
/* $Id: RTStrCopyP.cpp 155244 2023-01-17 14:15:46Z bird $ */
/** @file
* IPRT - RTStrCopyP.
*/
/*
* 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) RTStrCopyP(char **ppszDst, size_t *pcbDst, const char *pszSrc)
{
size_t const cchSrc = strlen(pszSrc);
size_t const cbDst = *pcbDst;
char *pszDst = *ppszDst;
if (RT_LIKELY(cchSrc < cbDst))
{
memcpy(pszDst, pszSrc, cchSrc + 1);
*ppszDst = pszDst += cchSrc;
*pcbDst -= cchSrc;
return VINF_SUCCESS;
}
if (cbDst != 0)
{
memcpy(*ppszDst, pszSrc, cbDst - 1);
*ppszDst = pszDst += cbDst - 1;
*pszDst = '\0';
*pcbDst = 1;
}
return VERR_BUFFER_OVERFLOW;
}
RT_EXPORT_SYMBOL(RTStrCopyP);
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