RTDirCreateTemp-generic.cpp revision aa4bcf0a4b2db3ac352b56a291d49cb8d4b66d32
/* $Id$ */
/** @file
* IPRT - RTDirCreateTemp, generic implementation.
*/
/*
* Copyright (C) 2009 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* 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.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
{
/*
* Validate input and count X'es.
*
* The X'es may be trailing, or they may be a cluster of 3 or more inside
* the file name.
*/
unsigned cXes = 0;
if ( pszX != pszTemplate
{
/* look inside the file name. */
if ( pszFilename
{
pszFilename += 3;
do
{
{
cXes = 3;
break;
}
} while (pszXEnd-- != pszFilename);
}
}
/* count them */
while ( pszX != pszTemplate
{
pszX--;
cXes++;
}
/* fail if none found. */
if (!cXes)
{
AssertFailed();
*pszTemplate = '\0';
return VERR_INVALID_PARAMETER;
}
/*
* Try ten thousand times.
*/
int i = 10000;
while (i-- > 0)
{
static char const s_sz[] = "0123456789abcdefghijklmnopqrstuvwxyz";
unsigned j = cXes;
while (j-- > 0)
if (RT_SUCCESS(rc))
return rc;
if (rc != VERR_ALREADY_EXISTS)
{
*pszTemplate = '\0';
return rc;
}
}
/* we've given up. */
*pszTemplate = '\0';
return VERR_ALREADY_EXISTS;
}