| 1 | /* $Id: tstRTNtPath-1.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - RTNtPath*.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010-2019 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 <iprt/nt/nt-and-windows.h>
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| 32 |
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| 33 | #include <iprt/errcore.h>
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| 34 | #include <iprt/dir.h>
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| 35 | #include <iprt/env.h>
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| 36 | #include <iprt/path.h>
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| 37 | #include <iprt/string.h>
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| 38 | #include <iprt/test.h>
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| 39 | #include <iprt/utf16.h>
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| 40 |
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| 41 |
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| 42 | /*********************************************************************************************************************************
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| 43 | * Structures and Typedefs *
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| 44 | *********************************************************************************************************************************/
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| 45 | typedef struct TSTRAVERSE
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| 46 | {
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| 47 | uint32_t cHits;
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| 48 | uint32_t cFirstClassHits;
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| 49 | uint32_t cEntries;
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| 50 | uint32_t cDirs;
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| 51 | UNICODE_STRING UniStr;
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| 52 | char szLongPath[RTPATH_MAX];
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| 53 | char szLongPathNt[RTPATH_MAX];
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| 54 | char szShortPath[RTPATH_MAX];
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| 55 | union
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| 56 | {
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| 57 | RTDIRENTRYEX EntryEx;
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| 58 | uint8_t abBuf[RTPATH_MAX + sizeof(RTDIRENTRYEX)];
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| 59 | } u;
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| 60 | size_t cbDirEntry;
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| 61 | } TSTRAVERSE;
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| 62 |
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| 63 |
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| 64 | void tstTraverse8dot3(TSTRAVERSE *pThis, size_t cchLong, size_t cchShort, uint32_t cShortNames)
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| 65 | {
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| 66 | pThis->cDirs++;
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| 67 |
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| 68 | uint32_t cLeftToTest = 2;
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| 69 | RTDIR hDir;
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| 70 | int rc = RTDirOpen(&hDir, pThis->szLongPath);
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| 71 | if (RT_FAILURE(rc))
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| 72 | return;
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| 73 | while (pThis->cFirstClassHits < 256)
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| 74 | {
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| 75 | pThis->cbDirEntry = sizeof(pThis->u);
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| 76 | rc = RTDirReadEx(hDir, &pThis->u.EntryEx, &pThis->cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
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| 77 | if (RT_FAILURE(rc))
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| 78 | break;
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| 79 | pThis->cEntries++;
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| 80 |
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| 81 | if (RTDirEntryExIsStdDotLink(&pThis->u.EntryEx))
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| 82 | continue;
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| 83 |
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| 84 | if ( cchLong + pThis->u.EntryEx.cbName + 1 >= sizeof(pThis->szLongPath)
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| 85 | || cchShort + RT_MAX(pThis->u.EntryEx.cbName, pThis->u.EntryEx.cwcShortName * 3) + 1 >= sizeof(pThis->szShortPath) )
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| 86 | continue; /* ignore obvious overflows */
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| 87 |
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| 88 | bool fHave8Dot3 = pThis->u.EntryEx.cwcShortName
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| 89 | && RTUtf16ICmpUtf8(pThis->u.EntryEx.wszShortName, pThis->u.EntryEx.szName) != 0;
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| 90 | if ( fHave8Dot3
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| 91 | || RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode)
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| 92 | || cLeftToTest > 0)
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| 93 | {
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| 94 | if (!fHave8Dot3)
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| 95 | memcpy(&pThis->szShortPath[cchShort], pThis->u.EntryEx.szName, pThis->u.EntryEx.cbName + 1);
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| 96 | else
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| 97 | {
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| 98 | char *pszDst = &pThis->szShortPath[cchShort];
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| 99 | rc = RTUtf16ToUtf8Ex(pThis->u.EntryEx.wszShortName, pThis->u.EntryEx.cwcShortName, &pszDst,
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| 100 | sizeof(pThis->szShortPath) - cchShort, NULL);
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| 101 | if (RT_FAILURE(rc))
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| 102 | continue;
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| 103 | }
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| 104 | memcpy(&pThis->szLongPath[cchLong], pThis->u.EntryEx.szName, pThis->u.EntryEx.cbName + 1);
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| 105 |
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| 106 | /*
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| 107 | * Check it out.
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| 108 | */
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| 109 | HANDLE hRoot;
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| 110 | RTTESTI_CHECK_RC(rc = RTNtPathFromWinUtf8(&pThis->UniStr, &hRoot, pThis->szShortPath), VINF_SUCCESS);
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| 111 | if (RT_SUCCESS(rc))
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| 112 | {
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| 113 | RTTESTI_CHECK(pThis->UniStr.MaximumLength > pThis->UniStr.Length);
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| 114 | RTTESTI_CHECK(pThis->UniStr.Length == RTUtf16Len(pThis->UniStr.Buffer) * sizeof(RTUTF16));
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| 115 |
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| 116 | RTTESTI_CHECK_RC(rc = RTNtPathEnsureSpace(&pThis->UniStr, RTPATH_MAX + 256), VINF_SUCCESS);
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| 117 | if (RT_SUCCESS(rc))
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| 118 | {
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| 119 | RTTESTI_CHECK_RC(rc = RTNtPathExpand8dot3Path(&pThis->UniStr, false /*fPathOnly*/), VINF_SUCCESS);
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| 120 | if (RT_SUCCESS(rc))
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| 121 | {
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| 122 | RTTESTI_CHECK(pThis->UniStr.Length == RTUtf16Len(pThis->UniStr.Buffer) * sizeof(RTUTF16));
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| 123 |
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| 124 | /* Skip the win32 path prefix (it is usually \??\) so we can compare. Crude but works */
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| 125 | size_t offPrefix = 0;
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| 126 | while ( pThis->UniStr.Buffer[offPrefix] != pThis->szLongPath[0]
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| 127 | && pThis->UniStr.Buffer[offPrefix] != '\0')
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| 128 | offPrefix++;
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| 129 | if (!pThis->UniStr.Buffer[offPrefix])
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| 130 | offPrefix = 0;
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| 131 |
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| 132 | if (RTUtf16CmpUtf8(&pThis->UniStr.Buffer[offPrefix], pThis->szLongPath) == 0)
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| 133 | { /* ok */ }
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| 134 | else if (RTUtf16ICmpUtf8(&pThis->UniStr.Buffer[offPrefix], pThis->szLongPath) == 0)
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| 135 | RTTestIFailed("case mismatch: '%ls' vs '%s'", pThis->UniStr.Buffer, pThis->szLongPath);
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| 136 | else
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| 137 | RTTestIFailed("mismatch: '%ls' vs '%s'", pThis->UniStr.Buffer, pThis->szLongPath);
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| 138 |
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| 139 | /*
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| 140 | * Update test efficiency hits.
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| 141 | */
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| 142 | if ( cLeftToTest > 0
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| 143 | && !pThis->u.EntryEx.cwcShortName
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| 144 | && !RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode))
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| 145 | {
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| 146 | cLeftToTest--;
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| 147 | if (cShortNames >= 3)
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| 148 | pThis->cFirstClassHits++;
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| 149 | }
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| 150 | pThis->cHits++;
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| 151 | }
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| 152 | }
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| 153 | RTNtPathFree(&pThis->UniStr, &hRoot);
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| 154 | }
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| 155 | //RTTestIPrintf(RTTESTLVL_ALWAYS, "debug: %u %u/%u %u/%u %s\n",
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| 156 | // cShortNames, pThis->cFirstClassHits, pThis->cHits, pThis->cDirs, pThis->cEntries, pThis->szShortPath);
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| 157 |
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| 158 | /*
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| 159 | * Decend into sub-directories. Must add slash first.
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| 160 | */
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| 161 | if (RTFS_IS_DIRECTORY(pThis->u.EntryEx.Info.Attr.fMode))
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| 162 | {
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| 163 | pThis->szLongPath[cchLong + pThis->u.EntryEx.cbName] = '\\';
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| 164 | pThis->szLongPath[cchLong + pThis->u.EntryEx.cbName + 1] = '\0';
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| 165 | strcat(&pThis->szShortPath[cchShort], "\\");
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| 166 |
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| 167 | tstTraverse8dot3(pThis,
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| 168 | cchLong + pThis->u.EntryEx.cbName + 1,
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| 169 | cchShort + strlen(&pThis->szShortPath[cchShort]),
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| 170 | cShortNames + (pThis->u.EntryEx.cwcShortName != 0));
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| 171 | }
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| 172 | }
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| 173 | }
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| 174 | RTDirClose(hDir);
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| 175 | }
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| 176 |
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| 177 |
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| 178 | int main()
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| 179 | {
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| 180 | RTTEST hTest;
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| 181 | int rc = RTTestInitAndCreate("tstRTNtPath-1", &hTest);
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| 182 | if (rc)
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| 183 | return rc;
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| 184 | RTTestBanner(hTest);
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| 185 |
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| 186 | /*
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| 187 | * Traverse the boot file system looking for short named and try locate an instance
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| 188 | * where we have at least 3 in a row.
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| 189 | */
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| 190 | RTTestSub(hTest, "8dot3");
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| 191 |
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| 192 | TSTRAVERSE This;
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| 193 | RT_ZERO(This);
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| 194 | rc = RTEnvGetEx(RTENV_DEFAULT, "SystemDrive", This.szLongPath, 64, NULL);
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| 195 | if (RT_SUCCESS(rc))
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| 196 | {
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| 197 | RTStrCat(This.szLongPath, sizeof(This.szLongPath), "\\");
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| 198 | size_t cch = strlen(This.szLongPath);
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| 199 | memcpy(This.szShortPath, This.szLongPath, cch + 1);
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| 200 |
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| 201 | tstTraverse8dot3(&This, cch, cch, 0);
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| 202 | RTTestIPrintf(RTTESTLVL_ALWAYS, "info: cEntries=%u cHits=%u cFirstClassHits=%u\n",
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| 203 | This.cEntries, This.cHits, This.cFirstClassHits);
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| 204 | }
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| 205 | else
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| 206 | RTTestSkipped(hTest, "failed to resolve %SystemDrive%: %Rrc", rc);
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| 207 |
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| 208 | /*
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| 209 | * Summary.
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| 210 | */
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| 211 | return RTTestSummaryAndDestroy(hTest);
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| 212 | }
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| 213 |
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