| 1 | /* $Id: RTPathStripFilename.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - RTPathStripFilename
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2017 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include "internal/iprt.h"
|
|---|
| 32 | #include <iprt/path.h>
|
|---|
| 33 | #include <iprt/ctype.h>
|
|---|
| 34 |
|
|---|
| 35 |
|
|---|
| 36 | /**
|
|---|
| 37 | * Strips the filename from a path. Truncates the given string in-place by overwriting the
|
|---|
| 38 | * last path separator character with a null byte in a platform-neutral way.
|
|---|
| 39 | *
|
|---|
| 40 | * @param pszPath Path from which filename should be extracted, will be truncated.
|
|---|
| 41 | * If the string contains no path separator, it will be changed to a "." string.
|
|---|
| 42 | */
|
|---|
| 43 | RTDECL(void) RTPathStripFilename(char *pszPath)
|
|---|
| 44 | {
|
|---|
| 45 | char *psz = pszPath;
|
|---|
| 46 | char *pszLastSep = NULL;
|
|---|
| 47 |
|
|---|
| 48 |
|
|---|
| 49 | for (;; psz++)
|
|---|
| 50 | {
|
|---|
| 51 | switch (*psz)
|
|---|
| 52 | {
|
|---|
| 53 | /* handle separators. */
|
|---|
| 54 | #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
|
|---|
| 55 | case ':':
|
|---|
| 56 | pszLastSep = psz + 1;
|
|---|
| 57 | if (RTPATH_IS_SLASH(psz[1]))
|
|---|
| 58 | pszPath = psz + 1;
|
|---|
| 59 | else
|
|---|
| 60 | pszPath = psz;
|
|---|
| 61 | break;
|
|---|
| 62 |
|
|---|
| 63 | case '\\':
|
|---|
| 64 | #endif
|
|---|
| 65 | case '/':
|
|---|
| 66 | pszLastSep = psz;
|
|---|
| 67 | break;
|
|---|
| 68 |
|
|---|
| 69 | /* the end */
|
|---|
| 70 | case '\0':
|
|---|
| 71 | if (!pszLastSep)
|
|---|
| 72 | {
|
|---|
| 73 | /* no directory component */
|
|---|
| 74 | pszPath[0] = '.';
|
|---|
| 75 | pszPath[1] = '\0';
|
|---|
| 76 | }
|
|---|
| 77 | else if (pszLastSep == pszPath)
|
|---|
| 78 | {
|
|---|
| 79 | /* only root. */
|
|---|
| 80 | pszLastSep[1] = '\0';
|
|---|
| 81 | }
|
|---|
| 82 | else
|
|---|
| 83 | pszLastSep[0] = '\0';
|
|---|
| 84 | return;
|
|---|
| 85 | }
|
|---|
| 86 | }
|
|---|
| 87 | /* will never get here */
|
|---|
| 88 | }
|
|---|
| 89 |
|
|---|
