RTPathStripFilename.cpp revision 45fdb697e9030f33bf5fabea82ca7eeafab2f6af
/* $Id$ */
/** @file
* IPRT - RTPathStripFilename
*/
/*
* Copyright (C) 2006-2007 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/path.h>
#include <iprt/ctype.h>
/**
* Strips the filename from a path. Truncates the given string in-place by overwriting the
* last path separator character with a null byte in a platform-neutral way.
*
* @param pszPath Path from which filename should be extracted, will be truncated.
* If the string contains no path separator, it will be changed to a "." string.
*/
RTDECL(void) RTPathStripFilename(char *pszPath)
{
char *psz = pszPath;
char *pszLastSep = (char *)NULL;
for (;; psz++)
{
switch (*psz)
{
/* handle separators. */
#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
case ':':
pszLastSep = psz + 1;
if (RTPATH_IS_SLASH(psz[1]))
pszPath = psz + 1;
else
pszPath = psz;
break;
case '\\':
#endif
case '/':
pszLastSep = psz;
break;
/* the end */
case '\0':
if (!pszLastSep)
{
/* no directory component */
pszPath[0] = '.';
pszPath[1] = '\0';
}
else if (pszLastSep == pszPath)
{
/* only root. */
pszLastSep[1] = '\0';
}
else
pszLastSep[0] = '\0';
return;
}
}
/* will never get here */
}