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/* $Id: RTPathJoinA.cpp $ */
/** @file
* IPRT - RTPathJoinA.
*/
/*
* 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 "internal/iprt.h"
#include <iprt/path.h>
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include <iprt/string.h>
RTDECL(char *) RTPathJoinA(const char *pszPathSrc, const char *pszAppend)
{
AssertPtr(pszAppend);
AssertPtr(pszPathSrc);
/*
* The easy way: Allocate a buffer and call RTPathAppend till it succeeds.
*/
size_t cchPathSrc = strlen(pszPathSrc);
size_t cchAppend = strlen(pszAppend);
size_t cbPathDst = cchPathSrc + cchAppend + 4;
char *pszPathDst = RTStrAlloc(cbPathDst);
if (pszPathDst)
{
memcpy(pszPathDst, pszPathSrc, cchPathSrc + 1);
int rc = RTPathAppend(pszPathDst, cbPathDst, pszAppend);
if (RT_FAILURE(rc))
{
/* This shouldn't happen, but if it does try again with a larger buffer... */
AssertRC(rc);
rc = RTStrRealloc(&pszPathDst, cbPathDst * 2);
if (RT_SUCCESS(rc))
rc = RTPathAppend(pszPathDst, cbPathDst, pszAppend);
if (RT_FAILURE(rc))
{
RTStrFree(pszPathDst);
pszPathDst = NULL;
}
}
}
return pszPathDst;
}
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