1 | /* $Id: RTPathTraverseList.cpp 44529 2013-02-04 15:54:15Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - RTPathTraverseList
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009-2010 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 |
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34 | #include <iprt/assert.h>
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35 | #include <iprt/ctype.h>
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36 | #include <iprt/err.h>
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37 | #include <iprt/string.h>
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38 |
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39 |
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40 | RTDECL(int) RTPathTraverseList(const char *pszPathList, char chSep, PFNRTPATHTRAVERSER pfnCallback, void *pvUser1, void *pvUser2)
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41 | {
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42 | AssertPtrNull(pszPathList);
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43 | Assert((unsigned int)chSep <= 127);
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44 |
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45 | if (!pszPathList)
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46 | return VERR_END_OF_STRING;
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47 |
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48 | /*
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49 | * Walk the path list.
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50 | */
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51 | const char *psz = pszPathList;
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52 | while (*psz)
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53 | {
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54 | /* Skip leading blanks - no directories with leading spaces, thank you. */
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55 | while (RT_C_IS_BLANK(*psz))
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56 | psz++;
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57 |
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58 | /* Find the end of this element. */
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59 | const char *pszNext;
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60 | const char *pszEnd = strchr(psz, chSep);
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61 | if (!pszEnd)
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62 | pszEnd = pszNext = strchr(psz, '\0');
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63 | else
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64 | pszNext = pszEnd + 1;
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65 | if (pszEnd != psz)
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66 | {
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67 | size_t const cch = pszEnd - psz;
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68 | int rc = pfnCallback(psz, cch, pvUser1, pvUser2);
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69 | if (rc != VERR_TRY_AGAIN)
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70 | return rc;
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71 | }
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72 |
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73 | /* advance */
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74 | psz = pszNext;
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75 | }
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76 |
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77 | return VERR_END_OF_STRING;
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78 | }
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79 | RT_EXPORT_SYMBOL(RTPathTraverseList);
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80 |
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