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/* $Id: RTPathIsSame-generic.cpp $ */
/** @file
* IPRT - Assertions, generic RTPathIsSame.
*/
/*
* Copyright (C) 2013-2022 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/path.h>
#include "internal/iprt.h"
#include <iprt/err.h>
#include <iprt/string.h>
RTDECL(int) RTPathIsSame(const char *pszPath1, const char *pszPath2)
{
/*
* Simple checks based on the path values.
*/
if (pszPath1 == pszPath2)
return true;
if (!pszPath1)
return false;
if (!pszPath2)
return false;
if (!strcmp(pszPath1, pszPath2))
return true;
/*
* If the files exist, try use the attributes.
*/
RTFSOBJINFO ObjInfo1;
int rc = RTPathQueryInfoEx(pszPath1, &ObjInfo1, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK);
if (RT_SUCCESS(rc))
{
RTFSOBJINFO ObjInfo2;
rc = RTPathQueryInfoEx(pszPath2, &ObjInfo2, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK);
if (RT_SUCCESS(rc))
{
if ((ObjInfo1.Attr.fMode & RTFS_TYPE_MASK) != (ObjInfo2.Attr.fMode & RTFS_TYPE_MASK))
return false;
if (ObjInfo1.Attr.u.Unix.INodeIdDevice != ObjInfo2.Attr.u.Unix.INodeIdDevice)
return false;
if (ObjInfo1.Attr.u.Unix.INodeId != ObjInfo2.Attr.u.Unix.INodeId)
return false;
if (ObjInfo1.Attr.u.Unix.GenerationId != ObjInfo2.Attr.u.Unix.GenerationId)
return false;
if ( ObjInfo1.Attr.u.Unix.INodeIdDevice != 0
&& ObjInfo1.Attr.u.Unix.INodeId != 0)
return true;
}
}
/*
* Fallback, compare absolute/real paths. Return failure on paths that are
* too long.
*/
char szPath1[RTPATH_MAX];
rc = RTPathAbs(pszPath1, szPath1, sizeof(szPath1));
AssertRCReturn(rc, VERR_FILENAME_TOO_LONG);
char szPath2[RTPATH_MAX];
rc = RTPathAbs(pszPath2, szPath2, sizeof(szPath2)); AssertRC(rc);
AssertRCReturn(rc, VERR_FILENAME_TOO_LONG);
if (RTPathCompare(szPath1, szPath2) == 0)
return true;
/** @todo Relsolve any symbolic links in the paths. Too lazy for that right
* now. */
return false;
}
RT_EXPORT_SYMBOL(RTPathIsSame);
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