/* $Id: RTPathStripFilename.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */ /** @file * IPRT - RTPathStripFilename */ /* * Copyright (C) 2006-2017 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 #include /** * 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 = 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 */ }