| 1 | /* $Id: ntdir.h 2985 2016-11-01 18:26:35Z bird $ */
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| 2 | /** @file
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| 3 | * MSC + NT opendir, readdir, closedir and friends.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2005-2013 knut st. osmundsen <[email protected]>
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| 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 10 | * copy of this software and associated documentation files (the "Software"),
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| 11 | * to deal in the Software without restriction, including without limitation
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the
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| 14 | * Software is furnished to do so, subject to the following conditions:
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| 15 | *
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| 16 | * The above copyright notice and this permission notice shall be included
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| 17 | * in all copies or substantial portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 24 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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| 25 | * IN THE SOFTWARE.
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| 26 | *
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| 27 | * Alternatively, the content of this file may be used under the terms of the
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| 28 | * GPL version 2 or later, or LGPL version 2.1 or later.
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| 29 | */
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| 30 |
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| 31 | #ifndef ___nt_ntdir_h
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| 32 | #define ___nt_ntdir_h
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| 33 |
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| 34 | #include "nttypes.h"
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| 35 | #include "ntstat.h"
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| 36 |
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| 37 | typedef struct dirent
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| 38 | {
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| 39 | /** Optional stat information.
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| 40 | * Only provided if using birdDirOpenExtraInfo(). */
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| 41 | BirdStat_T d_stat;
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| 42 | /** The record length. */
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| 43 | unsigned __int16 d_reclen;
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| 44 | /** The name length. */
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| 45 | unsigned __int16 d_namlen;
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| 46 | /** The name type. */
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| 47 | unsigned char d_type;
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| 48 | /** The name. */
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| 49 | char d_name[512 - sizeof(BirdStat_T) - 2 - 2 - 1];
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| 50 | } BirdDirEntry_T;
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| 51 |
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| 52 | #define d_ino d_stat.st_ino;
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| 53 |
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| 54 | /** @name d_type values.
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| 55 | * @{ */
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| 56 | #define DT_UNKNOWN 0
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| 57 | #define DT_FIFO 1
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| 58 | #define DT_CHR 2
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| 59 | #define DT_DIR 4
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| 60 | #define DT_BLK 6
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| 61 | #define DT_REG 8
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| 62 | #define DT_LNK 10
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| 63 | #define DT_SOCK 12
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| 64 | #define DT_WHT 14
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| 65 | /** @} */
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| 66 |
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| 67 | /** @name BIRDDIR_F_XXX - birdDirOpenFromHandle & BirdDir_T::fFlags
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| 68 | * @{ */
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| 69 | /** birdDirClose should also close pvHandle. */
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| 70 | #define BIRDDIR_F_CLOSE_HANDLE 1U
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| 71 | /** birdDirClose should not close the handle. */
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| 72 | #define BIRDDIR_F_KEEP_HANDLE 0U
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| 73 | /** Provide extra info (stat). */
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| 74 | #define BIRDDIR_F_EXTRA_INFO 2U
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| 75 | /** Whether to restart the scan. */
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| 76 | #define BIRDDIR_F_RESTART_SCAN 4U
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| 77 | /** @} */
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| 78 |
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| 79 | typedef struct BirdDir
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| 80 | {
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| 81 | /** Magic value. */
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| 82 | unsigned uMagic;
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| 83 | /** Flags. */
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| 84 | unsigned fFlags;
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| 85 | /** The directory handle. */
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| 86 | void *pvHandle;
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| 87 | /** The device number (st_dev). */
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| 88 | unsigned __int64 uDev;
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| 89 | /** The current position. */
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| 90 | long offPos;
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| 91 |
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| 92 | /** Set if we haven't yet read anything. */
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| 93 | int fFirst;
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| 94 | /** Set if we have data in the buffer. */
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| 95 | int fHaveData;
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| 96 | /** The info type we're querying. */
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| 97 | int iInfoClass;
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| 98 | /** The current buffer position. */
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| 99 | unsigned offBuf;
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| 100 | /** The number of bytes allocated for pabBuf. */
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| 101 | unsigned cbBuf;
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| 102 | /** Buffer of size cbBuf. */
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| 103 | unsigned char *pabBuf;
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| 104 |
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| 105 | /** Static directory entry. */
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| 106 | BirdDirEntry_T DirEntry;
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| 107 | } BirdDir_T;
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| 108 | /** Magic value for BirdDir. */
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| 109 | #define BIRD_DIR_MAGIC 0x19731120
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| 110 |
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| 111 |
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| 112 | BirdDir_T *birdDirOpen(const char *pszPath);
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| 113 | BirdDir_T *birdDirOpenExtraInfo(const char *pszPath);
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| 114 | BirdDir_T *birdDirOpenExW(void *hRoot, const wchar_t *pwszPath, const wchar_t *pwszFilter, unsigned fFlags);
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| 115 | BirdDir_T *birdDirOpenFromHandle(void *hDir, const void *pvReserved, unsigned fFlags);
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| 116 | BirdDirEntry_T *birdDirRead(BirdDir_T *pDir);
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| 117 | long birdDirTell(BirdDir_T *pDir);
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| 118 | void birdDirSeek(BirdDir_T *pDir, long offDir);
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| 119 | int birdDirClose(BirdDir_T *pDir);
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| 120 |
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| 121 | #define opendir birdDirOpen
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| 122 | #define readdir birdDirRead
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| 123 | #define telldir birdDirTell
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| 124 | #define seekdir birdDirSeek
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| 125 | #define rewinddir(a_pDir, a_offDir) birdDirSeek(a_pDir, 0)
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| 126 | #define closedir birdDirClose
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| 127 | #define _D_NAMLEN(a_pEnt) ((a_pEnt)->d_namlen)
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| 128 | typedef BirdDir_T DIR;
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| 129 |
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| 130 | #endif
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| 131 |
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