/* $Id$ */
/** @file
* IPRT - rtPathVolumeSpecLen
*/
/*
* Copyright (C) 2006-2012 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/string.h>
#include <iprt/ctype.h>
#include "internal/path.h"
/**
* Returns the length of the volume name specifier of the given path.
* If no such specifier zero is returned.
*/
DECLHIDDEN(size_t) rtPathVolumeSpecLen(const char *pszPath)
{
#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
if (pszPath && *pszPath)
{
/* UNC path. */
/** @todo r=bird: it's UNC and we have to check that the next char isn't a
* slash, then skip both the server and the share name. */
if ( (pszPath[0] == '\\' || pszPath[0] == '/')
&& (pszPath[1] == '\\' || pszPath[1] == '/'))
return strcspn(pszPath + 2, "\\/") + 2;
/* Drive letter. */
if ( pszPath[1] == ':'
&& RT_C_IS_ALPHA(pszPath[0]))
return 2;
}
return 0;
#else
/* This isn't quite right when looking at the above stuff, but it works assuming that '//' does not mean UNC. */
/// @todo (dmik) well, it's better to consider there's no volume name
// at all on *nix systems
NOREF(pszPath);
return 0;
// return pszPath && pszPath[0] == '/';
#endif
}