| 1 | /* $Id: dir.h 1816 2007-03-29 18:59:35Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * InnoTek Portable Runtime - Internal Header for RTDir.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License as published by the Free Software Foundation,
|
|---|
| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * If you received this file as part of a commercial VirtualBox
|
|---|
| 18 | * distribution, then only the terms of your commercial VirtualBox
|
|---|
| 19 | * license agreement apply instead of the previous paragraph.
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 |
|
|---|
| 23 | #ifndef __internal_dir_h__
|
|---|
| 24 | #define __internal_dir_h__
|
|---|
| 25 |
|
|---|
| 26 | #include <iprt/cdefs.h>
|
|---|
| 27 | #include <iprt/types.h>
|
|---|
| 28 | #include "internal/magics.h"
|
|---|
| 29 |
|
|---|
| 30 |
|
|---|
| 31 | /**
|
|---|
| 32 | * Filter a the filename in the against a filter.
|
|---|
| 33 | *
|
|---|
| 34 | * @returns true if the name matches the filter.
|
|---|
| 35 | * @returns false if the name doesn't match filter.
|
|---|
| 36 | * @param pDir The directory handle.
|
|---|
| 37 | * @param pszName The path to match to the filter.
|
|---|
| 38 | */
|
|---|
| 39 | typedef DECLCALLBACK(bool) FNRTDIRFILTER(PRTDIR pDir, const char *pszName);
|
|---|
| 40 | /** Pointer to a filter function. */
|
|---|
| 41 | typedef FNRTDIRFILTER *PFNRTDIRFILTER;
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | /**
|
|---|
| 45 | * Open directory.
|
|---|
| 46 | */
|
|---|
| 47 | typedef struct RTDIR
|
|---|
| 48 | {
|
|---|
| 49 | /** Magic value, RTDIR_MAGIC. */
|
|---|
| 50 | uint32_t u32Magic;
|
|---|
| 51 | /** The type of filter that's to be applied to the directory listing. */
|
|---|
| 52 | RTDIRFILTER enmFilter;
|
|---|
| 53 | /** The filter function. */
|
|---|
| 54 | PFNRTDIRFILTER pfnFilter;
|
|---|
| 55 | /** The filter Code Point string.
|
|---|
| 56 | * This is allocated in the same block as this structure. */
|
|---|
| 57 | PRTUNICP puszFilter;
|
|---|
| 58 | /** The number of Code Points in the filter string. */
|
|---|
| 59 | size_t cucFilter;
|
|---|
| 60 | /** The filter string.
|
|---|
| 61 | * This is allocated in the same block as this structure, thus the const. */
|
|---|
| 62 | const char *pszFilter;
|
|---|
| 63 | /** The length of the filter string. */
|
|---|
| 64 | unsigned cchFilter;
|
|---|
| 65 | /** Normalized path to the directory including a trailing slash.
|
|---|
| 66 | * We keep this around so we can query more information if required (posix).
|
|---|
| 67 | * This is allocated in the same block as this structure, thus the const. */
|
|---|
| 68 | const char *pszPath;
|
|---|
| 69 | /** The length of the path. */
|
|---|
| 70 | unsigned cchPath;
|
|---|
| 71 | /** Set to indicate that the Data member contains unread data. */
|
|---|
| 72 | bool fDataUnread;
|
|---|
| 73 | #ifndef RT_DONT_CONVERT_FILENAMES
|
|---|
| 74 | /** Pointer to the converted filename.
|
|---|
| 75 | * This can be NULL. */
|
|---|
| 76 | char *pszName;
|
|---|
| 77 | /** The length of the converted filename. */
|
|---|
| 78 | unsigned cchName;
|
|---|
| 79 | #endif
|
|---|
| 80 |
|
|---|
| 81 | #ifdef __WIN__
|
|---|
| 82 | /** Handle to the opened directory search. */
|
|---|
| 83 | HANDLE hDir;
|
|---|
| 84 | /** Find data buffer.
|
|---|
| 85 | * fDataUnread indicates valid data. */
|
|---|
| 86 | # ifdef RT_DONT_CONVERT_FILENAMES
|
|---|
| 87 | WIN32_FIND_DATAA Data;
|
|---|
| 88 | # else
|
|---|
| 89 | WIN32_FIND_DATAW Data;
|
|---|
| 90 | # endif
|
|---|
| 91 |
|
|---|
| 92 | #else /* 'POSIX': */
|
|---|
| 93 | /** What opendir() returned. */
|
|---|
| 94 | DIR *pDir;
|
|---|
| 95 | /** Find data buffer.
|
|---|
| 96 | * fDataUnread indicates valid data. */
|
|---|
| 97 | struct dirent Data;
|
|---|
| 98 | #endif
|
|---|
| 99 | } RTDIR;
|
|---|
| 100 |
|
|---|
| 101 |
|
|---|
| 102 | /**
|
|---|
| 103 | * Validates a directory handle.
|
|---|
| 104 | * @returns true if valid.
|
|---|
| 105 | * @returns false if valid after having bitched about it first.
|
|---|
| 106 | */
|
|---|
| 107 | DECLINLINE(bool) rtDirValidHandle(PRTDIR pDir)
|
|---|
| 108 | {
|
|---|
| 109 | AssertMsgReturn(VALID_PTR(pDir), ("%p\n", pDir), false);
|
|---|
| 110 | AssertMsgReturn(pDir->u32Magic == RTDIR_MAGIC, ("%#RX32\n", pDir->u32Magic), false);
|
|---|
| 111 | return true;
|
|---|
| 112 | }
|
|---|
| 113 |
|
|---|
| 114 |
|
|---|
| 115 | /**
|
|---|
| 116 | * Initialize the OS specific part of the handle and open the directory.
|
|---|
| 117 | * Called by rtDirOpenCommon().
|
|---|
| 118 | *
|
|---|
| 119 | * @returns IPRT status code.
|
|---|
| 120 | * @param pDir The directory to open. The pszPath member contains the
|
|---|
| 121 | * path to the directory.
|
|---|
| 122 | * @param pszPathBuf Pointer to a RTPATH_MAX sized buffer containing pszPath.
|
|---|
| 123 | * Find-first style systems can use this to setup the
|
|---|
| 124 | * wildcard expression.
|
|---|
| 125 | */
|
|---|
| 126 | int rtOpenDirNative(PRTDIR pDir, char *pszPathBuf);
|
|---|
| 127 |
|
|---|
| 128 | #endif
|
|---|
