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/* $Id: RTFileMove-generic.cpp $ */
/** @file
* IPRT - RTFileMove, Generic.
*/
/*
* Copyright (C) 2006-2020 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE 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.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP RTLOGGROUP_FILE
#include <iprt/file.h>
#include "internal/iprt.h"
#include <iprt/path.h>
#include <iprt/err.h>
#include <iprt/assert.h>
#include <iprt/log.h>
RTDECL(int) RTFileMove(const char *pszSrc, const char *pszDst, unsigned fMove)
{
/*
* Validate input.
*/
AssertMsgReturn(VALID_PTR(pszSrc), ("%p\n", pszSrc), VERR_INVALID_POINTER);
AssertMsgReturn(VALID_PTR(pszDst), ("%p\n", pszDst), VERR_INVALID_POINTER);
AssertMsgReturn(*pszSrc, ("%p\n", pszSrc), VERR_INVALID_PARAMETER);
AssertMsgReturn(*pszDst, ("%p\n", pszDst), VERR_INVALID_PARAMETER);
AssertMsgReturn(!(fMove & ~RTFILEMOVE_FLAGS_REPLACE), ("%#x\n", fMove), VERR_INVALID_PARAMETER);
/*
* Try RTFileRename first.
*/
Assert(RTPATHRENAME_FLAGS_REPLACE == RTFILEMOVE_FLAGS_REPLACE);
unsigned fRename = fMove;
int rc = RTFileRename(pszSrc, pszDst, fRename);
if (rc == VERR_NOT_SAME_DEVICE)
{
const char *pszDelete = NULL;
/*
* The source and target are not on the same device, darn.
* We'll try open both ends and perform a copy.
*/
RTFILE FileSrc;
rc = RTFileOpen(&FileSrc, pszSrc, RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN);
if (RT_SUCCESS(rc))
{
RTFILE FileDst;
rc = RTFileOpen(&FileDst, pszDst, RTFILE_O_WRITE | RTFILE_O_DENY_ALL | RTFILE_O_CREATE_REPLACE);
if (RT_SUCCESS(rc))
{
rc = RTFileCopyByHandles(FileSrc, FileDst);
if (RT_SUCCESS(rc))
pszDelete = pszSrc;
else
{
pszDelete = pszDst;
Log(("RTFileMove('%s', '%s', %#x): copy failed, rc=%Rrc\n",
pszSrc, pszDst, fMove, rc));
}
/* try delete without closing, and could perhaps avoid some trouble */
int rc2 = RTFileDelete(pszDelete);
if (RT_SUCCESS(rc2))
pszDelete = NULL;
RTFileClose(FileDst);
}
else
Log(("RTFileMove('%s', '%s', %#x): failed to create destination, rc=%Rrc\n",
pszSrc, pszDst, fMove, rc));
RTFileClose(FileSrc);
}
else
Log(("RTFileMove('%s', '%s', %#x): failed to open source, rc=%Rrc\n",
pszSrc, pszDst, fMove, rc));
/* if we failed to close it while open, close it now */
if (pszDelete)
{
int rc2 = RTFileDelete(pszDelete);
if (RT_FAILURE(rc2))
Log(("RTFileMove('%s', '%s', %#x): failed to delete '%s', rc2=%Rrc (rc=%Rrc)\n",
pszSrc, pszDst, fMove, pszDelete, rc2, rc));
}
}
LogFlow(("RTDirRename(%p:{%s}, %p:{%s}, %#x): returns %Rrc\n",
pszSrc, pszSrc, pszDst, pszDst, fMove, rc));
return rc;
}
RT_EXPORT_SYMBOL(RTFileMove);
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