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/* $Id: path.cpp $ */
/** @file
* IPRT - Path Manipulation.
*/
/*
* 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 *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/assert.h>
#include <iprt/env.h>
#include <iprt/err.h>
#include <iprt/path.h>
#include <iprt/string.h>
#include "internal/path.h"
#include "internal/process.h"
#ifdef RT_OS_SOLARIS
/**
* Hack to strip of the architecture subdirectory from the exec dir.
*
* @returns See RTPathExecDir.
* @param pszPath See RTPathExecDir.
* @param cchPath See RTPathExecDir.
*/
DECLINLINE(int) rtPathSolarisArchHack(char *pszPath, size_t cchPath)
{
int rc = RTPathExecDir(pszPath, cchPath);
if (RT_SUCCESS(rc))
{
const char *pszLast = RTPathFilename(pszPath);
if ( !strcmp(pszLast, "amd64")
|| !strcmp(pszLast, "i386"))
RTPathStripFilename(pszPath);
}
return rc;
}
#endif
RTDECL(int) RTPathExecDir(char *pszPath, size_t cchPath)
{
AssertReturn(g_szrtProcExePath[0], VERR_WRONG_ORDER);
/*
* Calc the length and check if there is space before copying.
*/
size_t cch = g_cchrtProcDir;
if (cch < cchPath)
{
memcpy(pszPath, g_szrtProcExePath, cch);
pszPath[cch] = '\0';
return VINF_SUCCESS;
}
AssertMsgFailed(("Buffer too small (%zu <= %zu)\n", cchPath, cch));
return VERR_BUFFER_OVERFLOW;
}
RTDECL(int) RTPathAppPrivateNoArch(char *pszPath, size_t cchPath)
{
#if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE)
return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE);
#elif defined(RT_OS_SOLARIS)
return rtPathSolarisArchHack(pszPath, cchPath);
#else
return RTPathExecDir(pszPath, cchPath);
#endif
}
RTDECL(int) RTPathAppPrivateArch(char *pszPath, size_t cchPath)
{
#if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE_ARCH)
return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE_ARCH);
#else
return RTPathExecDir(pszPath, cchPath);
#endif
}
RTDECL(int) RTPathAppPrivateArchTop(char *pszPath, size_t cchPath)
{
#if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE_ARCH_TOP)
return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE_ARCH_TOP);
#elif !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_PRIVATE_ARCH)
return RTStrCopy(pszPath, cchPath, RTPATH_APP_PRIVATE_ARCH);
#elif defined(RT_OS_SOLARIS)
return rtPathSolarisArchHack(pszPath, cchPath);
#else
int rc = RTPathExecDir(pszPath, cchPath);
return rc;
#endif
}
RTDECL(int) RTPathSharedLibs(char *pszPath, size_t cchPath)
{
#if !defined(RT_OS_WINDOWS) && defined(RTPATH_SHARED_LIBS)
return RTStrCopy(pszPath, cchPath, RTPATH_SHARED_LIBS);
#else
return RTPathExecDir(pszPath, cchPath);
#endif
}
RTDECL(int) RTPathAppDocs(char *pszPath, size_t cchPath)
{
#if !defined(RT_OS_WINDOWS) && defined(RTPATH_APP_DOCS)
return RTStrCopy(pszPath, cchPath, RTPATH_APP_DOCS);
#elif defined(RT_OS_SOLARIS)
return rtPathSolarisArchHack(pszPath, cchPath);
#else
return RTPathExecDir(pszPath, cchPath);
#endif
}
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;
}
RTR3DECL(int) RTPathGetMode(const char *pszPath, PRTFMODE pfMode)
{
AssertPtrReturn(pfMode, VERR_INVALID_POINTER);
RTFSOBJINFO ObjInfo;
int rc = RTPathQueryInfoEx(pszPath, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_FOLLOW_LINK);
if (RT_SUCCESS(rc))
*pfMode = ObjInfo.Attr.fMode;
return rc;
}
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