| 1 | /* $Id: RTPathStripFilename.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTPathStripFilename
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include "internal/iprt.h"
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| 32 | #include <iprt/path.h>
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| 33 | #include <iprt/ctype.h>
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| 34 |
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| 35 |
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| 36 | /**
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| 37 | * Strips the filename from a path. Truncates the given string in-place by overwriting the
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| 38 | * last path separator character with a null byte in a platform-neutral way.
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| 39 | *
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| 40 | * @param pszPath Path from which filename should be extracted, will be truncated.
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| 41 | * If the string contains no path separator, it will be changed to a "." string.
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| 42 | */
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| 43 | RTDECL(void) RTPathStripFilename(char *pszPath)
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| 44 | {
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| 45 | char *psz = pszPath;
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| 46 | char *pszLastSep = NULL;
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| 47 |
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| 48 |
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| 49 | for (;; psz++)
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| 50 | {
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| 51 | switch (*psz)
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| 52 | {
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| 53 | /* handle separators. */
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| 54 | #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
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| 55 | case ':':
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| 56 | pszLastSep = psz + 1;
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| 57 | if (RTPATH_IS_SLASH(psz[1]))
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| 58 | pszPath = psz + 1;
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| 59 | else
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| 60 | pszPath = psz;
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| 61 | break;
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| 62 |
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| 63 | case '\\':
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| 64 | #endif
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| 65 | case '/':
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| 66 | pszLastSep = psz;
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| 67 | break;
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| 68 |
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| 69 | /* the end */
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| 70 | case '\0':
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| 71 | if (!pszLastSep)
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| 72 | {
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| 73 | /* no directory component */
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| 74 | pszPath[0] = '.';
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| 75 | pszPath[1] = '\0';
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| 76 | }
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| 77 | else if (pszLastSep == pszPath)
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| 78 | {
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| 79 | /* only root. */
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| 80 | pszLastSep[1] = '\0';
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| 81 | }
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| 82 | else
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| 83 | pszLastSep[0] = '\0';
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| 84 | return;
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| 85 | }
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| 86 | }
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| 87 | /* will never get here */
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| 88 | }
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| 89 |
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