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/* $Id: RTPathTemp.cpp $ */
/** @file
* IPRT - Path Manipulation, RTPathTemp.
*/
/*
* Copyright (C) 2006-2023 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/env.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include "internal/path.h"
RTDECL(int) RTPathTemp(char *pszPath, size_t cchPath)
{
/*
* Try get it from the environment first.
*/
static const char * const s_apszVars[] =
{
"IPRT_TMPDIR"
#if defined(RT_OS_WINDOWS)
, "TMP", "TEMP", "USERPROFILE"
#elif defined(RT_OS_OS2)
, "TMP", "TEMP", "TMPDIR"
#else
, "TMPDIR"
#endif
};
for (size_t iVar = 0; iVar < RT_ELEMENTS(s_apszVars); iVar++)
{
int rc = RTEnvGetEx(RTENV_DEFAULT, s_apszVars[iVar], pszPath, cchPath, NULL);
if (rc != VERR_ENV_VAR_NOT_FOUND)
return rc;
}
/*
* Here we should use some sane system default, instead we just use
* the typical unix temp dir for now.
*/
/** @todo Windows should default to the windows directory, see GetTempPath.
* Some unixes has path.h and _PATH_TMP. There is also a question about
* whether /var/tmp wouldn't be a better place... */
if (cchPath < sizeof("/tmp") )
return VERR_BUFFER_OVERFLOW;
memcpy(pszPath, "/tmp", sizeof("/tmp"));
return VINF_SUCCESS;
}
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