1 | /* $Id: RTPathIsSame-generic.cpp 46162 2013-05-19 15:40:36Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - Assertions, generic RTPathIsSame.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2013 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 <iprt/path.h>
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32 | #include "internal/iprt.h"
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33 |
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34 | #include <iprt/string.h>
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35 |
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36 |
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37 | RTDECL(int) RTPathIsSame(const char *pszPath1, const char *pszPath2)
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38 | {
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39 | /*
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40 | * Simple checks based on the path values.
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41 | */
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42 | if (pszPath1 == pszPath2)
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43 | return true;
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44 | if (!pszPath1)
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45 | return false;
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46 | if (!pszPath2)
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47 | return false;
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48 | if (!strcmp(pszPath1, pszPath2))
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49 | return true;
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50 |
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51 | /*
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52 | * If the files exist, try use the attributes.
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53 | */
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54 | RTFSOBJINFO ObjInfo1, ObjInfo2;
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55 | int rc = RTPathQueryInfoEx(pszPath1, &ObjInfo1, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK);
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56 | if (RT_SUCCESS(rc))
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57 | rc = RTPathQueryInfoEx(pszPath2, &ObjInfo2, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK);
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58 | if (RT_SUCCESS(rc))
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59 | {
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60 | if ((ObjInfo1.Attr.fMode & RTFS_TYPE_MASK) != (ObjInfo2.Attr.fMode & RTFS_TYPE_MASK))
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61 | return false;
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62 | if (ObjInfo1.Attr.u.Unix.INodeIdDevice != ObjInfo2.Attr.u.Unix.INodeIdDevice)
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63 | return false;
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64 | if (ObjInfo1.Attr.u.Unix.INodeId != ObjInfo2.Attr.u.Unix.INodeId)
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65 | return false;
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66 | if (ObjInfo1.Attr.u.Unix.GenerationId != ObjInfo2.Attr.u.Unix.GenerationId)
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67 | return false;
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68 | if ( ObjInfo1.Attr.u.Unix.INodeIdDevice != 0
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69 | && ObjInfo1.Attr.u.Unix.INodeId != 0)
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70 | return true;
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71 | }
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72 |
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73 | /*
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74 | * Fallback, compare absolute/real paths. Return failure on paths that are
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75 | * too long.
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76 | */
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77 | char szPath1[RTPATH_MAX];
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78 | rc = RTPathAbs(szPath1, szPath1, sizeof(szPath1));
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79 | AssertRCReturn(rc, VERR_FILENAME_TOO_LONG);
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80 |
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81 | char szPath2[RTPATH_MAX];
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82 | rc = RTPathAbs(szPath2, szPath2, sizeof(szPath2)); AssertRC(rc);
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83 | AssertRCReturn(rc, VERR_FILENAME_TOO_LONG);
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84 |
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85 | if (RTPathCompare(szPath1, szPath2) == 0)
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86 | return true;
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87 |
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88 | /** @todo Relsolve any symbolic links in the paths. Too lazy for that right
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89 | * now. */
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90 | return false;
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91 | }
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92 | RT_EXPORT_SYMBOL(RTPathIsSame);
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93 |
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94 |
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95 |
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96 |
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